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Merge tag 'drm-misc-next-2016-12-30' of git://anongit.freedesktop.org/git/drm-misc...
[karo-tx-linux.git] / drivers / gpu / drm / amd / amdgpu / dce_v6_0.c
1 /*
2  * Copyright 2015 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  */
23 #include "drmP.h"
24 #include "amdgpu.h"
25 #include "amdgpu_pm.h"
26 #include "amdgpu_i2c.h"
27 #include "atom.h"
28 #include "amdgpu_atombios.h"
29 #include "atombios_crtc.h"
30 #include "atombios_encoders.h"
31 #include "amdgpu_pll.h"
32 #include "amdgpu_connectors.h"
33
34 #include "bif/bif_3_0_d.h"
35 #include "bif/bif_3_0_sh_mask.h"
36 #include "oss/oss_1_0_d.h"
37 #include "oss/oss_1_0_sh_mask.h"
38 #include "gca/gfx_6_0_d.h"
39 #include "gca/gfx_6_0_sh_mask.h"
40 #include "gmc/gmc_6_0_d.h"
41 #include "gmc/gmc_6_0_sh_mask.h"
42 #include "dce/dce_6_0_d.h"
43 #include "dce/dce_6_0_sh_mask.h"
44 #include "gca/gfx_7_2_enum.h"
45 #include "si_enums.h"
46
47 static void dce_v6_0_set_display_funcs(struct amdgpu_device *adev);
48 static void dce_v6_0_set_irq_funcs(struct amdgpu_device *adev);
49
50 static const u32 crtc_offsets[6] =
51 {
52         SI_CRTC0_REGISTER_OFFSET,
53         SI_CRTC1_REGISTER_OFFSET,
54         SI_CRTC2_REGISTER_OFFSET,
55         SI_CRTC3_REGISTER_OFFSET,
56         SI_CRTC4_REGISTER_OFFSET,
57         SI_CRTC5_REGISTER_OFFSET
58 };
59
60 static const u32 hpd_offsets[] =
61 {
62         mmDC_HPD1_INT_STATUS - mmDC_HPD1_INT_STATUS,
63         mmDC_HPD2_INT_STATUS - mmDC_HPD1_INT_STATUS,
64         mmDC_HPD3_INT_STATUS - mmDC_HPD1_INT_STATUS,
65         mmDC_HPD4_INT_STATUS - mmDC_HPD1_INT_STATUS,
66         mmDC_HPD5_INT_STATUS - mmDC_HPD1_INT_STATUS,
67         mmDC_HPD6_INT_STATUS - mmDC_HPD1_INT_STATUS,
68 };
69
70 static const uint32_t dig_offsets[] = {
71         SI_CRTC0_REGISTER_OFFSET,
72         SI_CRTC1_REGISTER_OFFSET,
73         SI_CRTC2_REGISTER_OFFSET,
74         SI_CRTC3_REGISTER_OFFSET,
75         SI_CRTC4_REGISTER_OFFSET,
76         SI_CRTC5_REGISTER_OFFSET,
77         (0x13830 - 0x7030) >> 2,
78 };
79
80 static const struct {
81         uint32_t        reg;
82         uint32_t        vblank;
83         uint32_t        vline;
84         uint32_t        hpd;
85
86 } interrupt_status_offsets[6] = { {
87         .reg = mmDISP_INTERRUPT_STATUS,
88         .vblank = DISP_INTERRUPT_STATUS__LB_D1_VBLANK_INTERRUPT_MASK,
89         .vline = DISP_INTERRUPT_STATUS__LB_D1_VLINE_INTERRUPT_MASK,
90         .hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK
91 }, {
92         .reg = mmDISP_INTERRUPT_STATUS_CONTINUE,
93         .vblank = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VBLANK_INTERRUPT_MASK,
94         .vline = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VLINE_INTERRUPT_MASK,
95         .hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK
96 }, {
97         .reg = mmDISP_INTERRUPT_STATUS_CONTINUE2,
98         .vblank = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VBLANK_INTERRUPT_MASK,
99         .vline = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VLINE_INTERRUPT_MASK,
100         .hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK
101 }, {
102         .reg = mmDISP_INTERRUPT_STATUS_CONTINUE3,
103         .vblank = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VBLANK_INTERRUPT_MASK,
104         .vline = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VLINE_INTERRUPT_MASK,
105         .hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK
106 }, {
107         .reg = mmDISP_INTERRUPT_STATUS_CONTINUE4,
108         .vblank = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VBLANK_INTERRUPT_MASK,
109         .vline = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VLINE_INTERRUPT_MASK,
110         .hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK
111 }, {
112         .reg = mmDISP_INTERRUPT_STATUS_CONTINUE5,
113         .vblank = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VBLANK_INTERRUPT_MASK,
114         .vline = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VLINE_INTERRUPT_MASK,
115         .hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK
116 } };
117
118 static u32 dce_v6_0_audio_endpt_rreg(struct amdgpu_device *adev,
119                                      u32 block_offset, u32 reg)
120 {
121         DRM_INFO("xxxx: dce_v6_0_audio_endpt_rreg ----no impl!!!!\n");
122         return 0;
123 }
124
125 static void dce_v6_0_audio_endpt_wreg(struct amdgpu_device *adev,
126                                       u32 block_offset, u32 reg, u32 v)
127 {
128         DRM_INFO("xxxx: dce_v6_0_audio_endpt_wreg ----no impl!!!!\n");
129 }
130
131 static bool dce_v6_0_is_in_vblank(struct amdgpu_device *adev, int crtc)
132 {
133         if (RREG32(mmCRTC_STATUS + crtc_offsets[crtc]) & CRTC_STATUS__CRTC_V_BLANK_MASK)
134                 return true;
135         else
136                 return false;
137 }
138
139 static bool dce_v6_0_is_counter_moving(struct amdgpu_device *adev, int crtc)
140 {
141         u32 pos1, pos2;
142
143         pos1 = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
144         pos2 = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
145
146         if (pos1 != pos2)
147                 return true;
148         else
149                 return false;
150 }
151
152 /**
153  * dce_v6_0_wait_for_vblank - vblank wait asic callback.
154  *
155  * @crtc: crtc to wait for vblank on
156  *
157  * Wait for vblank on the requested crtc (evergreen+).
158  */
159 static void dce_v6_0_vblank_wait(struct amdgpu_device *adev, int crtc)
160 {
161         unsigned i = 100;
162
163         if (crtc >= adev->mode_info.num_crtc)
164                 return;
165
166         if (!(RREG32(mmCRTC_CONTROL + crtc_offsets[crtc]) & CRTC_CONTROL__CRTC_MASTER_EN_MASK))
167                 return;
168
169         /* depending on when we hit vblank, we may be close to active; if so,
170          * wait for another frame.
171          */
172         while (dce_v6_0_is_in_vblank(adev, crtc)) {
173                 if (i++ == 100) {
174                         i = 0;
175                         if (!dce_v6_0_is_counter_moving(adev, crtc))
176                                 break;
177                 }
178         }
179
180         while (!dce_v6_0_is_in_vblank(adev, crtc)) {
181                 if (i++ == 100) {
182                         i = 0;
183                         if (!dce_v6_0_is_counter_moving(adev, crtc))
184                                 break;
185                 }
186         }
187 }
188
189 static u32 dce_v6_0_vblank_get_counter(struct amdgpu_device *adev, int crtc)
190 {
191         if (crtc >= adev->mode_info.num_crtc)
192                 return 0;
193         else
194                 return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
195 }
196
197 static void dce_v6_0_pageflip_interrupt_init(struct amdgpu_device *adev)
198 {
199         unsigned i;
200
201         /* Enable pflip interrupts */
202         for (i = 0; i < adev->mode_info.num_crtc; i++)
203                 amdgpu_irq_get(adev, &adev->pageflip_irq, i);
204 }
205
206 static void dce_v6_0_pageflip_interrupt_fini(struct amdgpu_device *adev)
207 {
208         unsigned i;
209
210         /* Disable pflip interrupts */
211         for (i = 0; i < adev->mode_info.num_crtc; i++)
212                 amdgpu_irq_put(adev, &adev->pageflip_irq, i);
213 }
214
215 /**
216  * dce_v6_0_page_flip - pageflip callback.
217  *
218  * @adev: amdgpu_device pointer
219  * @crtc_id: crtc to cleanup pageflip on
220  * @crtc_base: new address of the crtc (GPU MC address)
221  *
222  * Does the actual pageflip (evergreen+).
223  * During vblank we take the crtc lock and wait for the update_pending
224  * bit to go high, when it does, we release the lock, and allow the
225  * double buffered update to take place.
226  * Returns the current update pending status.
227  */
228 static void dce_v6_0_page_flip(struct amdgpu_device *adev,
229                                int crtc_id, u64 crtc_base, bool async)
230 {
231         struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
232
233         /* flip at hsync for async, default is vsync */
234         WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, async ?
235                GRPH_FLIP_CONTROL__GRPH_SURFACE_UPDATE_H_RETRACE_EN_MASK : 0);
236         /* update the scanout addresses */
237         WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
238                upper_32_bits(crtc_base));
239         WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
240                (u32)crtc_base);
241
242         /* post the write */
243         RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset);
244 }
245
246 static int dce_v6_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
247                                         u32 *vbl, u32 *position)
248 {
249         if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
250                 return -EINVAL;
251         *vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]);
252         *position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
253
254         return 0;
255
256 }
257
258 /**
259  * dce_v6_0_hpd_sense - hpd sense callback.
260  *
261  * @adev: amdgpu_device pointer
262  * @hpd: hpd (hotplug detect) pin
263  *
264  * Checks if a digital monitor is connected (evergreen+).
265  * Returns true if connected, false if not connected.
266  */
267 static bool dce_v6_0_hpd_sense(struct amdgpu_device *adev,
268                                enum amdgpu_hpd_id hpd)
269 {
270         bool connected = false;
271
272         if (hpd >= adev->mode_info.num_hpd)
273                 return connected;
274
275         if (RREG32(mmDC_HPD1_INT_STATUS + hpd_offsets[hpd]) & DC_HPD1_INT_STATUS__DC_HPD1_SENSE_MASK)
276                 connected = true;
277
278         return connected;
279 }
280
281 /**
282  * dce_v6_0_hpd_set_polarity - hpd set polarity callback.
283  *
284  * @adev: amdgpu_device pointer
285  * @hpd: hpd (hotplug detect) pin
286  *
287  * Set the polarity of the hpd pin (evergreen+).
288  */
289 static void dce_v6_0_hpd_set_polarity(struct amdgpu_device *adev,
290                                       enum amdgpu_hpd_id hpd)
291 {
292         u32 tmp;
293         bool connected = dce_v6_0_hpd_sense(adev, hpd);
294
295         if (hpd >= adev->mode_info.num_hpd)
296                 return;
297
298         tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd]);
299         if (connected)
300                 tmp &= ~DC_HPD1_INT_CONTROL__DC_HPD1_INT_POLARITY_MASK;
301         else
302                 tmp |= DC_HPD1_INT_CONTROL__DC_HPD1_INT_POLARITY_MASK;
303         WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd], tmp);
304 }
305
306 /**
307  * dce_v6_0_hpd_init - hpd setup callback.
308  *
309  * @adev: amdgpu_device pointer
310  *
311  * Setup the hpd pins used by the card (evergreen+).
312  * Enable the pin, set the polarity, and enable the hpd interrupts.
313  */
314 static void dce_v6_0_hpd_init(struct amdgpu_device *adev)
315 {
316         struct drm_device *dev = adev->ddev;
317         struct drm_connector *connector;
318         u32 tmp;
319
320         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
321                 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
322
323                 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
324                         continue;
325
326                 tmp = RREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
327                 tmp |= DC_HPD1_CONTROL__DC_HPD1_EN_MASK;
328                 WREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
329
330                 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
331                     connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
332                         /* don't try to enable hpd on eDP or LVDS avoid breaking the
333                          * aux dp channel on imac and help (but not completely fix)
334                          * https://bugzilla.redhat.com/show_bug.cgi?id=726143
335                          * also avoid interrupt storms during dpms.
336                          */
337                         tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
338                         tmp &= ~DC_HPD1_INT_CONTROL__DC_HPD1_INT_EN_MASK;
339                         WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
340                         continue;
341                 }
342
343                 dce_v6_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd);
344                 amdgpu_irq_get(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
345         }
346
347 }
348
349 /**
350  * dce_v6_0_hpd_fini - hpd tear down callback.
351  *
352  * @adev: amdgpu_device pointer
353  *
354  * Tear down the hpd pins used by the card (evergreen+).
355  * Disable the hpd interrupts.
356  */
357 static void dce_v6_0_hpd_fini(struct amdgpu_device *adev)
358 {
359         struct drm_device *dev = adev->ddev;
360         struct drm_connector *connector;
361         u32 tmp;
362
363         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
364                 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
365
366                 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
367                         continue;
368
369                 tmp = RREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
370                 tmp &= ~DC_HPD1_CONTROL__DC_HPD1_EN_MASK;
371                 WREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], 0);
372
373                 amdgpu_irq_put(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
374         }
375 }
376
377 static u32 dce_v6_0_hpd_get_gpio_reg(struct amdgpu_device *adev)
378 {
379         return mmDC_GPIO_HPD_A;
380 }
381
382 static u32 evergreen_get_vblank_counter(struct amdgpu_device* adev, int crtc)
383 {
384         if (crtc >= adev->mode_info.num_crtc)
385                 return 0;
386         else
387                 return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
388 }
389
390 static void dce_v6_0_stop_mc_access(struct amdgpu_device *adev,
391                                     struct amdgpu_mode_mc_save *save)
392 {
393         u32 crtc_enabled, tmp, frame_count;
394         int i, j;
395
396         save->vga_render_control = RREG32(mmVGA_RENDER_CONTROL);
397         save->vga_hdp_control = RREG32(mmVGA_HDP_CONTROL);
398
399         /* disable VGA render */
400         WREG32(mmVGA_RENDER_CONTROL, 0);
401
402         /* blank the display controllers */
403         for (i = 0; i < adev->mode_info.num_crtc; i++) {
404                 crtc_enabled = RREG32(mmCRTC_CONTROL + crtc_offsets[i]) & CRTC_CONTROL__CRTC_MASTER_EN_MASK;
405                 if (crtc_enabled) {
406                         save->crtc_enabled[i] = true;
407                         tmp = RREG32(mmCRTC_BLANK_CONTROL + crtc_offsets[i]);
408
409                         if (!(tmp & CRTC_BLANK_CONTROL__CRTC_BLANK_DATA_EN_MASK)) {
410                                 dce_v6_0_vblank_wait(adev, i);
411                                 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
412                                 tmp |= CRTC_BLANK_CONTROL__CRTC_BLANK_DATA_EN_MASK;
413                                 WREG32(mmCRTC_BLANK_CONTROL + crtc_offsets[i], tmp);
414                                 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
415                         }
416                         /* wait for the next frame */
417                         frame_count = evergreen_get_vblank_counter(adev, i);
418                         for (j = 0; j < adev->usec_timeout; j++) {
419                                 if (evergreen_get_vblank_counter(adev, i) != frame_count)
420                                         break;
421                                 udelay(1);
422                         }
423
424                         /* XXX this is a hack to avoid strange behavior with EFI on certain systems */
425                         WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
426                         tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
427                         tmp &= ~CRTC_CONTROL__CRTC_MASTER_EN_MASK;
428                         WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp);
429                         WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
430                         save->crtc_enabled[i] = false;
431                         /* ***** */
432                 } else {
433                         save->crtc_enabled[i] = false;
434                 }
435         }
436 }
437
438 static void dce_v6_0_resume_mc_access(struct amdgpu_device *adev,
439                                       struct amdgpu_mode_mc_save *save)
440 {
441         u32 tmp;
442         int i, j;
443
444         /* update crtc base addresses */
445         for (i = 0; i < adev->mode_info.num_crtc; i++) {
446                 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + crtc_offsets[i],
447                        upper_32_bits(adev->mc.vram_start));
448                 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + crtc_offsets[i],
449                        upper_32_bits(adev->mc.vram_start));
450                 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + crtc_offsets[i],
451                        (u32)adev->mc.vram_start);
452                 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + crtc_offsets[i],
453                        (u32)adev->mc.vram_start);
454         }
455
456         WREG32(mmVGA_MEMORY_BASE_ADDRESS_HIGH, upper_32_bits(adev->mc.vram_start));
457         WREG32(mmVGA_MEMORY_BASE_ADDRESS, (u32)adev->mc.vram_start);
458
459         /* unlock regs and wait for update */
460         for (i = 0; i < adev->mode_info.num_crtc; i++) {
461                 if (save->crtc_enabled[i]) {
462                         tmp = RREG32(mmMASTER_UPDATE_MODE + crtc_offsets[i]);
463                         if ((tmp & 0x7) != 0) {
464                                 tmp &= ~0x7;
465                                 WREG32(mmMASTER_UPDATE_MODE + crtc_offsets[i], tmp);
466                         }
467                         tmp = RREG32(mmGRPH_UPDATE + crtc_offsets[i]);
468                         if (tmp & GRPH_UPDATE__GRPH_UPDATE_LOCK_MASK) {
469                                 tmp &= ~GRPH_UPDATE__GRPH_UPDATE_LOCK_MASK;
470                                 WREG32(mmGRPH_UPDATE + crtc_offsets[i], tmp);
471                         }
472                         tmp = RREG32(mmMASTER_UPDATE_LOCK + crtc_offsets[i]);
473                         if (tmp & 1) {
474                                 tmp &= ~1;
475                                 WREG32(mmMASTER_UPDATE_LOCK + crtc_offsets[i], tmp);
476                         }
477                         for (j = 0; j < adev->usec_timeout; j++) {
478                                 tmp = RREG32(mmGRPH_UPDATE + crtc_offsets[i]);
479                                 if ((tmp & GRPH_UPDATE__GRPH_SURFACE_UPDATE_PENDING_MASK) == 0)
480                                         break;
481                                 udelay(1);
482                         }
483                 }
484         }
485
486         /* Unlock vga access */
487         WREG32(mmVGA_HDP_CONTROL, save->vga_hdp_control);
488         mdelay(1);
489         WREG32(mmVGA_RENDER_CONTROL, save->vga_render_control);
490
491 }
492
493 static void dce_v6_0_set_vga_render_state(struct amdgpu_device *adev,
494                                           bool render)
495 {
496         if (!render)
497                 WREG32(mmVGA_RENDER_CONTROL,
498                         RREG32(mmVGA_RENDER_CONTROL) & VGA_VSTATUS_CNTL);
499
500 }
501
502 static int dce_v6_0_get_num_crtc(struct amdgpu_device *adev)
503 {
504         int num_crtc = 0;
505
506         switch (adev->asic_type) {
507         case CHIP_TAHITI:
508         case CHIP_PITCAIRN:
509         case CHIP_VERDE:
510                 num_crtc = 6;
511                 break;
512         case CHIP_OLAND:
513                 num_crtc = 2;
514                 break;
515         default:
516                 num_crtc = 0;
517         }
518         return num_crtc;
519 }
520
521 void dce_v6_0_disable_dce(struct amdgpu_device *adev)
522 {
523         /*Disable VGA render and enabled crtc, if has DCE engine*/
524         if (amdgpu_atombios_has_dce_engine_info(adev)) {
525                 u32 tmp;
526                 int crtc_enabled, i;
527
528                 dce_v6_0_set_vga_render_state(adev, false);
529
530                 /*Disable crtc*/
531                 for (i = 0; i < dce_v6_0_get_num_crtc(adev); i++) {
532                         crtc_enabled = RREG32(mmCRTC_CONTROL + crtc_offsets[i]) &
533                                 CRTC_CONTROL__CRTC_MASTER_EN_MASK;
534                         if (crtc_enabled) {
535                                 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
536                                 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
537                                 tmp &= ~CRTC_CONTROL__CRTC_MASTER_EN_MASK;
538                                 WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp);
539                                 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
540                         }
541                 }
542         }
543 }
544
545 static void dce_v6_0_program_fmt(struct drm_encoder *encoder)
546 {
547
548         struct drm_device *dev = encoder->dev;
549         struct amdgpu_device *adev = dev->dev_private;
550         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
551         struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
552         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
553         int bpc = 0;
554         u32 tmp = 0;
555         enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE;
556
557         if (connector) {
558                 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
559                 bpc = amdgpu_connector_get_monitor_bpc(connector);
560                 dither = amdgpu_connector->dither;
561         }
562
563         /* LVDS FMT is set up by atom */
564         if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
565                 return;
566
567         if (bpc == 0)
568                 return;
569
570
571         switch (bpc) {
572         case 6:
573                 if (dither == AMDGPU_FMT_DITHER_ENABLE)
574                         /* XXX sort out optimal dither settings */
575                         tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_FRAME_RANDOM_ENABLE_MASK |
576                                 FMT_BIT_DEPTH_CONTROL__FMT_HIGHPASS_RANDOM_ENABLE_MASK |
577                                 FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_EN_MASK);
578                 else
579                         tmp |= FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_EN_MASK;
580                 break;
581         case 8:
582                 if (dither == AMDGPU_FMT_DITHER_ENABLE)
583                         /* XXX sort out optimal dither settings */
584                         tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_FRAME_RANDOM_ENABLE_MASK |
585                                 FMT_BIT_DEPTH_CONTROL__FMT_HIGHPASS_RANDOM_ENABLE_MASK |
586                                 FMT_BIT_DEPTH_CONTROL__FMT_RGB_RANDOM_ENABLE_MASK |
587                                 FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_EN_MASK |
588                                 FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_DEPTH_MASK);
589                 else
590                         tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_EN_MASK |
591                                 FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_DEPTH_MASK);
592                 break;
593         case 10:
594         default:
595                 /* not needed */
596                 break;
597         }
598
599         WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
600 }
601
602 /**
603  * cik_get_number_of_dram_channels - get the number of dram channels
604  *
605  * @adev: amdgpu_device pointer
606  *
607  * Look up the number of video ram channels (CIK).
608  * Used for display watermark bandwidth calculations
609  * Returns the number of dram channels
610  */
611 static u32 si_get_number_of_dram_channels(struct amdgpu_device *adev)
612 {
613         u32 tmp = RREG32(mmMC_SHARED_CHMAP);
614
615         switch ((tmp & MC_SHARED_CHMAP__NOOFCHAN_MASK) >> MC_SHARED_CHMAP__NOOFCHAN__SHIFT) {
616         case 0:
617         default:
618                 return 1;
619         case 1:
620                 return 2;
621         case 2:
622                 return 4;
623         case 3:
624                 return 8;
625         case 4:
626                 return 3;
627         case 5:
628                 return 6;
629         case 6:
630                 return 10;
631         case 7:
632                 return 12;
633         case 8:
634                 return 16;
635         }
636 }
637
638 struct dce6_wm_params {
639         u32 dram_channels; /* number of dram channels */
640         u32 yclk;          /* bandwidth per dram data pin in kHz */
641         u32 sclk;          /* engine clock in kHz */
642         u32 disp_clk;      /* display clock in kHz */
643         u32 src_width;     /* viewport width */
644         u32 active_time;   /* active display time in ns */
645         u32 blank_time;    /* blank time in ns */
646         bool interlaced;    /* mode is interlaced */
647         fixed20_12 vsc;    /* vertical scale ratio */
648         u32 num_heads;     /* number of active crtcs */
649         u32 bytes_per_pixel; /* bytes per pixel display + overlay */
650         u32 lb_size;       /* line buffer allocated to pipe */
651         u32 vtaps;         /* vertical scaler taps */
652 };
653
654 /**
655  * dce_v6_0_dram_bandwidth - get the dram bandwidth
656  *
657  * @wm: watermark calculation data
658  *
659  * Calculate the raw dram bandwidth (CIK).
660  * Used for display watermark bandwidth calculations
661  * Returns the dram bandwidth in MBytes/s
662  */
663 static u32 dce_v6_0_dram_bandwidth(struct dce6_wm_params *wm)
664 {
665         /* Calculate raw DRAM Bandwidth */
666         fixed20_12 dram_efficiency; /* 0.7 */
667         fixed20_12 yclk, dram_channels, bandwidth;
668         fixed20_12 a;
669
670         a.full = dfixed_const(1000);
671         yclk.full = dfixed_const(wm->yclk);
672         yclk.full = dfixed_div(yclk, a);
673         dram_channels.full = dfixed_const(wm->dram_channels * 4);
674         a.full = dfixed_const(10);
675         dram_efficiency.full = dfixed_const(7);
676         dram_efficiency.full = dfixed_div(dram_efficiency, a);
677         bandwidth.full = dfixed_mul(dram_channels, yclk);
678         bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
679
680         return dfixed_trunc(bandwidth);
681 }
682
683 /**
684  * dce_v6_0_dram_bandwidth_for_display - get the dram bandwidth for display
685  *
686  * @wm: watermark calculation data
687  *
688  * Calculate the dram bandwidth used for display (CIK).
689  * Used for display watermark bandwidth calculations
690  * Returns the dram bandwidth for display in MBytes/s
691  */
692 static u32 dce_v6_0_dram_bandwidth_for_display(struct dce6_wm_params *wm)
693 {
694         /* Calculate DRAM Bandwidth and the part allocated to display. */
695         fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
696         fixed20_12 yclk, dram_channels, bandwidth;
697         fixed20_12 a;
698
699         a.full = dfixed_const(1000);
700         yclk.full = dfixed_const(wm->yclk);
701         yclk.full = dfixed_div(yclk, a);
702         dram_channels.full = dfixed_const(wm->dram_channels * 4);
703         a.full = dfixed_const(10);
704         disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
705         disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
706         bandwidth.full = dfixed_mul(dram_channels, yclk);
707         bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
708
709         return dfixed_trunc(bandwidth);
710 }
711
712 /**
713  * dce_v6_0_data_return_bandwidth - get the data return bandwidth
714  *
715  * @wm: watermark calculation data
716  *
717  * Calculate the data return bandwidth used for display (CIK).
718  * Used for display watermark bandwidth calculations
719  * Returns the data return bandwidth in MBytes/s
720  */
721 static u32 dce_v6_0_data_return_bandwidth(struct dce6_wm_params *wm)
722 {
723         /* Calculate the display Data return Bandwidth */
724         fixed20_12 return_efficiency; /* 0.8 */
725         fixed20_12 sclk, bandwidth;
726         fixed20_12 a;
727
728         a.full = dfixed_const(1000);
729         sclk.full = dfixed_const(wm->sclk);
730         sclk.full = dfixed_div(sclk, a);
731         a.full = dfixed_const(10);
732         return_efficiency.full = dfixed_const(8);
733         return_efficiency.full = dfixed_div(return_efficiency, a);
734         a.full = dfixed_const(32);
735         bandwidth.full = dfixed_mul(a, sclk);
736         bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
737
738         return dfixed_trunc(bandwidth);
739 }
740
741 /**
742  * dce_v6_0_dmif_request_bandwidth - get the dmif bandwidth
743  *
744  * @wm: watermark calculation data
745  *
746  * Calculate the dmif bandwidth used for display (CIK).
747  * Used for display watermark bandwidth calculations
748  * Returns the dmif bandwidth in MBytes/s
749  */
750 static u32 dce_v6_0_dmif_request_bandwidth(struct dce6_wm_params *wm)
751 {
752         /* Calculate the DMIF Request Bandwidth */
753         fixed20_12 disp_clk_request_efficiency; /* 0.8 */
754         fixed20_12 disp_clk, bandwidth;
755         fixed20_12 a, b;
756
757         a.full = dfixed_const(1000);
758         disp_clk.full = dfixed_const(wm->disp_clk);
759         disp_clk.full = dfixed_div(disp_clk, a);
760         a.full = dfixed_const(32);
761         b.full = dfixed_mul(a, disp_clk);
762
763         a.full = dfixed_const(10);
764         disp_clk_request_efficiency.full = dfixed_const(8);
765         disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
766
767         bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency);
768
769         return dfixed_trunc(bandwidth);
770 }
771
772 /**
773  * dce_v6_0_available_bandwidth - get the min available bandwidth
774  *
775  * @wm: watermark calculation data
776  *
777  * Calculate the min available bandwidth used for display (CIK).
778  * Used for display watermark bandwidth calculations
779  * Returns the min available bandwidth in MBytes/s
780  */
781 static u32 dce_v6_0_available_bandwidth(struct dce6_wm_params *wm)
782 {
783         /* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
784         u32 dram_bandwidth = dce_v6_0_dram_bandwidth(wm);
785         u32 data_return_bandwidth = dce_v6_0_data_return_bandwidth(wm);
786         u32 dmif_req_bandwidth = dce_v6_0_dmif_request_bandwidth(wm);
787
788         return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
789 }
790
791 /**
792  * dce_v6_0_average_bandwidth - get the average available bandwidth
793  *
794  * @wm: watermark calculation data
795  *
796  * Calculate the average available bandwidth used for display (CIK).
797  * Used for display watermark bandwidth calculations
798  * Returns the average available bandwidth in MBytes/s
799  */
800 static u32 dce_v6_0_average_bandwidth(struct dce6_wm_params *wm)
801 {
802         /* Calculate the display mode Average Bandwidth
803          * DisplayMode should contain the source and destination dimensions,
804          * timing, etc.
805          */
806         fixed20_12 bpp;
807         fixed20_12 line_time;
808         fixed20_12 src_width;
809         fixed20_12 bandwidth;
810         fixed20_12 a;
811
812         a.full = dfixed_const(1000);
813         line_time.full = dfixed_const(wm->active_time + wm->blank_time);
814         line_time.full = dfixed_div(line_time, a);
815         bpp.full = dfixed_const(wm->bytes_per_pixel);
816         src_width.full = dfixed_const(wm->src_width);
817         bandwidth.full = dfixed_mul(src_width, bpp);
818         bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
819         bandwidth.full = dfixed_div(bandwidth, line_time);
820
821         return dfixed_trunc(bandwidth);
822 }
823
824 /**
825  * dce_v6_0_latency_watermark - get the latency watermark
826  *
827  * @wm: watermark calculation data
828  *
829  * Calculate the latency watermark (CIK).
830  * Used for display watermark bandwidth calculations
831  * Returns the latency watermark in ns
832  */
833 static u32 dce_v6_0_latency_watermark(struct dce6_wm_params *wm)
834 {
835         /* First calculate the latency in ns */
836         u32 mc_latency = 2000; /* 2000 ns. */
837         u32 available_bandwidth = dce_v6_0_available_bandwidth(wm);
838         u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
839         u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
840         u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
841         u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
842                 (wm->num_heads * cursor_line_pair_return_time);
843         u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
844         u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
845         u32 tmp, dmif_size = 12288;
846         fixed20_12 a, b, c;
847
848         if (wm->num_heads == 0)
849                 return 0;
850
851         a.full = dfixed_const(2);
852         b.full = dfixed_const(1);
853         if ((wm->vsc.full > a.full) ||
854             ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
855             (wm->vtaps >= 5) ||
856             ((wm->vsc.full >= a.full) && wm->interlaced))
857                 max_src_lines_per_dst_line = 4;
858         else
859                 max_src_lines_per_dst_line = 2;
860
861         a.full = dfixed_const(available_bandwidth);
862         b.full = dfixed_const(wm->num_heads);
863         a.full = dfixed_div(a, b);
864
865         b.full = dfixed_const(mc_latency + 512);
866         c.full = dfixed_const(wm->disp_clk);
867         b.full = dfixed_div(b, c);
868
869         c.full = dfixed_const(dmif_size);
870         b.full = dfixed_div(c, b);
871
872         tmp = min(dfixed_trunc(a), dfixed_trunc(b));
873
874         b.full = dfixed_const(1000);
875         c.full = dfixed_const(wm->disp_clk);
876         b.full = dfixed_div(c, b);
877         c.full = dfixed_const(wm->bytes_per_pixel);
878         b.full = dfixed_mul(b, c);
879
880         lb_fill_bw = min(tmp, dfixed_trunc(b));
881
882         a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
883         b.full = dfixed_const(1000);
884         c.full = dfixed_const(lb_fill_bw);
885         b.full = dfixed_div(c, b);
886         a.full = dfixed_div(a, b);
887         line_fill_time = dfixed_trunc(a);
888
889         if (line_fill_time < wm->active_time)
890                 return latency;
891         else
892                 return latency + (line_fill_time - wm->active_time);
893
894 }
895
896 /**
897  * dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display - check
898  * average and available dram bandwidth
899  *
900  * @wm: watermark calculation data
901  *
902  * Check if the display average bandwidth fits in the display
903  * dram bandwidth (CIK).
904  * Used for display watermark bandwidth calculations
905  * Returns true if the display fits, false if not.
906  */
907 static bool dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce6_wm_params *wm)
908 {
909         if (dce_v6_0_average_bandwidth(wm) <=
910             (dce_v6_0_dram_bandwidth_for_display(wm) / wm->num_heads))
911                 return true;
912         else
913                 return false;
914 }
915
916 /**
917  * dce_v6_0_average_bandwidth_vs_available_bandwidth - check
918  * average and available bandwidth
919  *
920  * @wm: watermark calculation data
921  *
922  * Check if the display average bandwidth fits in the display
923  * available bandwidth (CIK).
924  * Used for display watermark bandwidth calculations
925  * Returns true if the display fits, false if not.
926  */
927 static bool dce_v6_0_average_bandwidth_vs_available_bandwidth(struct dce6_wm_params *wm)
928 {
929         if (dce_v6_0_average_bandwidth(wm) <=
930             (dce_v6_0_available_bandwidth(wm) / wm->num_heads))
931                 return true;
932         else
933                 return false;
934 }
935
936 /**
937  * dce_v6_0_check_latency_hiding - check latency hiding
938  *
939  * @wm: watermark calculation data
940  *
941  * Check latency hiding (CIK).
942  * Used for display watermark bandwidth calculations
943  * Returns true if the display fits, false if not.
944  */
945 static bool dce_v6_0_check_latency_hiding(struct dce6_wm_params *wm)
946 {
947         u32 lb_partitions = wm->lb_size / wm->src_width;
948         u32 line_time = wm->active_time + wm->blank_time;
949         u32 latency_tolerant_lines;
950         u32 latency_hiding;
951         fixed20_12 a;
952
953         a.full = dfixed_const(1);
954         if (wm->vsc.full > a.full)
955                 latency_tolerant_lines = 1;
956         else {
957                 if (lb_partitions <= (wm->vtaps + 1))
958                         latency_tolerant_lines = 1;
959                 else
960                         latency_tolerant_lines = 2;
961         }
962
963         latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
964
965         if (dce_v6_0_latency_watermark(wm) <= latency_hiding)
966                 return true;
967         else
968                 return false;
969 }
970
971 /**
972  * dce_v6_0_program_watermarks - program display watermarks
973  *
974  * @adev: amdgpu_device pointer
975  * @amdgpu_crtc: the selected display controller
976  * @lb_size: line buffer size
977  * @num_heads: number of display controllers in use
978  *
979  * Calculate and program the display watermarks for the
980  * selected display controller (CIK).
981  */
982 static void dce_v6_0_program_watermarks(struct amdgpu_device *adev,
983                                         struct amdgpu_crtc *amdgpu_crtc,
984                                         u32 lb_size, u32 num_heads)
985 {
986         struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
987         struct dce6_wm_params wm_low, wm_high;
988         u32 dram_channels;
989         u32 pixel_period;
990         u32 line_time = 0;
991         u32 latency_watermark_a = 0, latency_watermark_b = 0;
992         u32 priority_a_mark = 0, priority_b_mark = 0;
993         u32 priority_a_cnt = PRIORITY_OFF;
994         u32 priority_b_cnt = PRIORITY_OFF;
995         u32 tmp, arb_control3;
996         fixed20_12 a, b, c;
997
998         if (amdgpu_crtc->base.enabled && num_heads && mode) {
999                 pixel_period = 1000000 / (u32)mode->clock;
1000                 line_time = min((u32)mode->crtc_htotal * pixel_period, (u32)65535);
1001                 priority_a_cnt = 0;
1002                 priority_b_cnt = 0;
1003
1004                 dram_channels = si_get_number_of_dram_channels(adev);
1005
1006                 /* watermark for high clocks */
1007                 if (adev->pm.dpm_enabled) {
1008                         wm_high.yclk =
1009                                 amdgpu_dpm_get_mclk(adev, false) * 10;
1010                         wm_high.sclk =
1011                                 amdgpu_dpm_get_sclk(adev, false) * 10;
1012                 } else {
1013                         wm_high.yclk = adev->pm.current_mclk * 10;
1014                         wm_high.sclk = adev->pm.current_sclk * 10;
1015                 }
1016
1017                 wm_high.disp_clk = mode->clock;
1018                 wm_high.src_width = mode->crtc_hdisplay;
1019                 wm_high.active_time = mode->crtc_hdisplay * pixel_period;
1020                 wm_high.blank_time = line_time - wm_high.active_time;
1021                 wm_high.interlaced = false;
1022                 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1023                         wm_high.interlaced = true;
1024                 wm_high.vsc = amdgpu_crtc->vsc;
1025                 wm_high.vtaps = 1;
1026                 if (amdgpu_crtc->rmx_type != RMX_OFF)
1027                         wm_high.vtaps = 2;
1028                 wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
1029                 wm_high.lb_size = lb_size;
1030                 wm_high.dram_channels = dram_channels;
1031                 wm_high.num_heads = num_heads;
1032
1033                 if (adev->pm.dpm_enabled) {
1034                 /* watermark for low clocks */
1035                         wm_low.yclk =
1036                                 amdgpu_dpm_get_mclk(adev, true) * 10;
1037                         wm_low.sclk =
1038                                 amdgpu_dpm_get_sclk(adev, true) * 10;
1039                 } else {
1040                         wm_low.yclk = adev->pm.current_mclk * 10;
1041                         wm_low.sclk = adev->pm.current_sclk * 10;
1042                 }
1043
1044                 wm_low.disp_clk = mode->clock;
1045                 wm_low.src_width = mode->crtc_hdisplay;
1046                 wm_low.active_time = mode->crtc_hdisplay * pixel_period;
1047                 wm_low.blank_time = line_time - wm_low.active_time;
1048                 wm_low.interlaced = false;
1049                 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1050                         wm_low.interlaced = true;
1051                 wm_low.vsc = amdgpu_crtc->vsc;
1052                 wm_low.vtaps = 1;
1053                 if (amdgpu_crtc->rmx_type != RMX_OFF)
1054                         wm_low.vtaps = 2;
1055                 wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
1056                 wm_low.lb_size = lb_size;
1057                 wm_low.dram_channels = dram_channels;
1058                 wm_low.num_heads = num_heads;
1059
1060                 /* set for high clocks */
1061                 latency_watermark_a = min(dce_v6_0_latency_watermark(&wm_high), (u32)65535);
1062                 /* set for low clocks */
1063                 latency_watermark_b = min(dce_v6_0_latency_watermark(&wm_low), (u32)65535);
1064
1065                 /* possibly force display priority to high */
1066                 /* should really do this at mode validation time... */
1067                 if (!dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
1068                     !dce_v6_0_average_bandwidth_vs_available_bandwidth(&wm_high) ||
1069                     !dce_v6_0_check_latency_hiding(&wm_high) ||
1070                     (adev->mode_info.disp_priority == 2)) {
1071                         DRM_DEBUG_KMS("force priority to high\n");
1072                         priority_a_cnt |= PRIORITY_ALWAYS_ON;
1073                         priority_b_cnt |= PRIORITY_ALWAYS_ON;
1074                 }
1075                 if (!dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
1076                     !dce_v6_0_average_bandwidth_vs_available_bandwidth(&wm_low) ||
1077                     !dce_v6_0_check_latency_hiding(&wm_low) ||
1078                     (adev->mode_info.disp_priority == 2)) {
1079                         DRM_DEBUG_KMS("force priority to high\n");
1080                         priority_a_cnt |= PRIORITY_ALWAYS_ON;
1081                         priority_b_cnt |= PRIORITY_ALWAYS_ON;
1082                 }
1083
1084                 a.full = dfixed_const(1000);
1085                 b.full = dfixed_const(mode->clock);
1086                 b.full = dfixed_div(b, a);
1087                 c.full = dfixed_const(latency_watermark_a);
1088                 c.full = dfixed_mul(c, b);
1089                 c.full = dfixed_mul(c, amdgpu_crtc->hsc);
1090                 c.full = dfixed_div(c, a);
1091                 a.full = dfixed_const(16);
1092                 c.full = dfixed_div(c, a);
1093                 priority_a_mark = dfixed_trunc(c);
1094                 priority_a_cnt |= priority_a_mark & PRIORITY_MARK_MASK;
1095
1096                 a.full = dfixed_const(1000);
1097                 b.full = dfixed_const(mode->clock);
1098                 b.full = dfixed_div(b, a);
1099                 c.full = dfixed_const(latency_watermark_b);
1100                 c.full = dfixed_mul(c, b);
1101                 c.full = dfixed_mul(c, amdgpu_crtc->hsc);
1102                 c.full = dfixed_div(c, a);
1103                 a.full = dfixed_const(16);
1104                 c.full = dfixed_div(c, a);
1105                 priority_b_mark = dfixed_trunc(c);
1106                 priority_b_cnt |= priority_b_mark & PRIORITY_MARK_MASK;
1107         }
1108
1109         /* select wm A */
1110         arb_control3 = RREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset);
1111         tmp = arb_control3;
1112         tmp &= ~LATENCY_WATERMARK_MASK(3);
1113         tmp |= LATENCY_WATERMARK_MASK(1);
1114         WREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset, tmp);
1115         WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset,
1116                ((latency_watermark_a << DPG_PIPE_URGENCY_CONTROL__URGENCY_LOW_WATERMARK__SHIFT)  |
1117                 (line_time << DPG_PIPE_URGENCY_CONTROL__URGENCY_HIGH_WATERMARK__SHIFT)));
1118         /* select wm B */
1119         tmp = RREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset);
1120         tmp &= ~LATENCY_WATERMARK_MASK(3);
1121         tmp |= LATENCY_WATERMARK_MASK(2);
1122         WREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset, tmp);
1123         WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset,
1124                ((latency_watermark_b << DPG_PIPE_URGENCY_CONTROL__URGENCY_LOW_WATERMARK__SHIFT) |
1125                 (line_time << DPG_PIPE_URGENCY_CONTROL__URGENCY_HIGH_WATERMARK__SHIFT)));
1126         /* restore original selection */
1127         WREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset, arb_control3);
1128
1129         /* write the priority marks */
1130         WREG32(mmPRIORITY_A_CNT + amdgpu_crtc->crtc_offset, priority_a_cnt);
1131         WREG32(mmPRIORITY_B_CNT + amdgpu_crtc->crtc_offset, priority_b_cnt);
1132
1133         /* save values for DPM */
1134         amdgpu_crtc->line_time = line_time;
1135         amdgpu_crtc->wm_high = latency_watermark_a;
1136 }
1137
1138 /* watermark setup */
1139 static u32 dce_v6_0_line_buffer_adjust(struct amdgpu_device *adev,
1140                                    struct amdgpu_crtc *amdgpu_crtc,
1141                                    struct drm_display_mode *mode,
1142                                    struct drm_display_mode *other_mode)
1143 {
1144         u32 tmp, buffer_alloc, i;
1145         u32 pipe_offset = amdgpu_crtc->crtc_id * 0x8;
1146         /*
1147          * Line Buffer Setup
1148          * There are 3 line buffers, each one shared by 2 display controllers.
1149          * mmDC_LB_MEMORY_SPLIT controls how that line buffer is shared between
1150          * the display controllers.  The paritioning is done via one of four
1151          * preset allocations specified in bits 21:20:
1152          *  0 - half lb
1153          *  2 - whole lb, other crtc must be disabled
1154          */
1155         /* this can get tricky if we have two large displays on a paired group
1156          * of crtcs.  Ideally for multiple large displays we'd assign them to
1157          * non-linked crtcs for maximum line buffer allocation.
1158          */
1159         if (amdgpu_crtc->base.enabled && mode) {
1160                 if (other_mode) {
1161                         tmp = 0; /* 1/2 */
1162                         buffer_alloc = 1;
1163                 } else {
1164                         tmp = 2; /* whole */
1165                         buffer_alloc = 2;
1166                 }
1167         } else {
1168                 tmp = 0;
1169                 buffer_alloc = 0;
1170         }
1171
1172         WREG32(mmDC_LB_MEMORY_SPLIT + amdgpu_crtc->crtc_offset,
1173                DC_LB_MEMORY_CONFIG(tmp));
1174
1175         WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset,
1176                (buffer_alloc << PIPE0_DMIF_BUFFER_CONTROL__DMIF_BUFFERS_ALLOCATED__SHIFT));
1177         for (i = 0; i < adev->usec_timeout; i++) {
1178                 if (RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset) &
1179                     PIPE0_DMIF_BUFFER_CONTROL__DMIF_BUFFERS_ALLOCATION_COMPLETED_MASK)
1180                         break;
1181                 udelay(1);
1182         }
1183
1184         if (amdgpu_crtc->base.enabled && mode) {
1185                 switch (tmp) {
1186                 case 0:
1187                 default:
1188                         return 4096 * 2;
1189                 case 2:
1190                         return 8192 * 2;
1191                 }
1192         }
1193
1194         /* controller not enabled, so no lb used */
1195         return 0;
1196 }
1197
1198
1199 /**
1200  *
1201  * dce_v6_0_bandwidth_update - program display watermarks
1202  *
1203  * @adev: amdgpu_device pointer
1204  *
1205  * Calculate and program the display watermarks and line
1206  * buffer allocation (CIK).
1207  */
1208 static void dce_v6_0_bandwidth_update(struct amdgpu_device *adev)
1209 {
1210         struct drm_display_mode *mode0 = NULL;
1211         struct drm_display_mode *mode1 = NULL;
1212         u32 num_heads = 0, lb_size;
1213         int i;
1214
1215         if (!adev->mode_info.mode_config_initialized)
1216                 return;
1217
1218         amdgpu_update_display_priority(adev);
1219
1220         for (i = 0; i < adev->mode_info.num_crtc; i++) {
1221                 if (adev->mode_info.crtcs[i]->base.enabled)
1222                         num_heads++;
1223         }
1224         for (i = 0; i < adev->mode_info.num_crtc; i += 2) {
1225                 mode0 = &adev->mode_info.crtcs[i]->base.mode;
1226                 mode1 = &adev->mode_info.crtcs[i+1]->base.mode;
1227                 lb_size = dce_v6_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode0, mode1);
1228                 dce_v6_0_program_watermarks(adev, adev->mode_info.crtcs[i], lb_size, num_heads);
1229                 lb_size = dce_v6_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i+1], mode1, mode0);
1230                 dce_v6_0_program_watermarks(adev, adev->mode_info.crtcs[i+1], lb_size, num_heads);
1231         }
1232 }
1233 /*
1234 static void dce_v6_0_audio_get_connected_pins(struct amdgpu_device *adev)
1235 {
1236         int i;
1237         u32 offset, tmp;
1238
1239         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1240                 offset = adev->mode_info.audio.pin[i].offset;
1241                 tmp = RREG32_AUDIO_ENDPT(offset,
1242                                       AZ_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT);
1243                 if (((tmp & PORT_CONNECTIVITY_MASK) >> PORT_CONNECTIVITY_SHIFT) == 1)
1244                         adev->mode_info.audio.pin[i].connected = false;
1245                 else
1246                         adev->mode_info.audio.pin[i].connected = true;
1247         }
1248
1249 }
1250
1251 static struct amdgpu_audio_pin *dce_v6_0_audio_get_pin(struct amdgpu_device *adev)
1252 {
1253         int i;
1254
1255         dce_v6_0_audio_get_connected_pins(adev);
1256
1257         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1258                 if (adev->mode_info.audio.pin[i].connected)
1259                         return &adev->mode_info.audio.pin[i];
1260         }
1261         DRM_ERROR("No connected audio pins found!\n");
1262         return NULL;
1263 }
1264
1265 static void dce_v6_0_afmt_audio_select_pin(struct drm_encoder *encoder)
1266 {
1267         struct amdgpu_device *adev = encoder->dev->dev_private;
1268         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1269         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1270         u32 offset;
1271
1272         if (!dig || !dig->afmt || !dig->afmt->pin)
1273                 return;
1274
1275         offset = dig->afmt->offset;
1276
1277         WREG32(AFMT_AUDIO_SRC_CONTROL + offset,
1278                AFMT_AUDIO_SRC_SELECT(dig->afmt->pin->id));
1279
1280 }
1281
1282 static void dce_v6_0_audio_write_latency_fields(struct drm_encoder *encoder,
1283                                                 struct drm_display_mode *mode)
1284 {
1285         DRM_INFO("xxxx: dce_v6_0_audio_write_latency_fields---no imp!!!!!\n");
1286 }
1287
1288 static void dce_v6_0_audio_write_speaker_allocation(struct drm_encoder *encoder)
1289 {
1290         DRM_INFO("xxxx: dce_v6_0_audio_write_speaker_allocation---no imp!!!!!\n");
1291 }
1292
1293 static void dce_v6_0_audio_write_sad_regs(struct drm_encoder *encoder)
1294 {
1295         DRM_INFO("xxxx: dce_v6_0_audio_write_sad_regs---no imp!!!!!\n");
1296
1297 }
1298 */
1299 static void dce_v6_0_audio_enable(struct amdgpu_device *adev,
1300                                   struct amdgpu_audio_pin *pin,
1301                                   bool enable)
1302 {
1303         DRM_INFO("xxxx: dce_v6_0_audio_enable---no imp!!!!!\n");
1304 }
1305
1306 static const u32 pin_offsets[7] =
1307 {
1308         (0x1780 - 0x1780),
1309         (0x1786 - 0x1780),
1310         (0x178c - 0x1780),
1311         (0x1792 - 0x1780),
1312         (0x1798 - 0x1780),
1313         (0x179d - 0x1780),
1314         (0x17a4 - 0x1780),
1315 };
1316
1317 static int dce_v6_0_audio_init(struct amdgpu_device *adev)
1318 {
1319         return 0;
1320 }
1321
1322 static void dce_v6_0_audio_fini(struct amdgpu_device *adev)
1323 {
1324
1325 }
1326
1327 /*
1328 static void dce_v6_0_afmt_update_ACR(struct drm_encoder *encoder, uint32_t clock)
1329 {
1330         DRM_INFO("xxxx: dce_v6_0_afmt_update_ACR---no imp!!!!!\n");
1331 }
1332 */
1333 /*
1334  * build a HDMI Video Info Frame
1335  */
1336 /*
1337 static void dce_v6_0_afmt_update_avi_infoframe(struct drm_encoder *encoder,
1338                                                void *buffer, size_t size)
1339 {
1340         DRM_INFO("xxxx: dce_v6_0_afmt_update_avi_infoframe---no imp!!!!!\n");
1341 }
1342
1343 static void dce_v6_0_audio_set_dto(struct drm_encoder *encoder, u32 clock)
1344 {
1345         DRM_INFO("xxxx: dce_v6_0_audio_set_dto---no imp!!!!!\n");
1346 }
1347 */
1348 /*
1349  * update the info frames with the data from the current display mode
1350  */
1351 static void dce_v6_0_afmt_setmode(struct drm_encoder *encoder,
1352                                   struct drm_display_mode *mode)
1353 {
1354         DRM_INFO("xxxx: dce_v6_0_afmt_setmode ----no impl !!!!!!!!\n");
1355 }
1356
1357 static void dce_v6_0_afmt_enable(struct drm_encoder *encoder, bool enable)
1358 {
1359         struct drm_device *dev = encoder->dev;
1360         struct amdgpu_device *adev = dev->dev_private;
1361         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1362         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1363
1364         if (!dig || !dig->afmt)
1365                 return;
1366
1367         /* Silent, r600_hdmi_enable will raise WARN for us */
1368         if (enable && dig->afmt->enabled)
1369                 return;
1370         if (!enable && !dig->afmt->enabled)
1371                 return;
1372
1373         if (!enable && dig->afmt->pin) {
1374                 dce_v6_0_audio_enable(adev, dig->afmt->pin, false);
1375                 dig->afmt->pin = NULL;
1376         }
1377
1378         dig->afmt->enabled = enable;
1379
1380         DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n",
1381                   enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id);
1382 }
1383
1384 static int dce_v6_0_afmt_init(struct amdgpu_device *adev)
1385 {
1386         int i, j;
1387
1388         for (i = 0; i < adev->mode_info.num_dig; i++)
1389                 adev->mode_info.afmt[i] = NULL;
1390
1391         /* DCE6 has audio blocks tied to DIG encoders */
1392         for (i = 0; i < adev->mode_info.num_dig; i++) {
1393                 adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL);
1394                 if (adev->mode_info.afmt[i]) {
1395                         adev->mode_info.afmt[i]->offset = dig_offsets[i];
1396                         adev->mode_info.afmt[i]->id = i;
1397                 } else {
1398                         for (j = 0; j < i; j++) {
1399                                 kfree(adev->mode_info.afmt[j]);
1400                                 adev->mode_info.afmt[j] = NULL;
1401                         }
1402                         DRM_ERROR("Out of memory allocating afmt table\n");
1403                         return -ENOMEM;
1404                 }
1405         }
1406         return 0;
1407 }
1408
1409 static void dce_v6_0_afmt_fini(struct amdgpu_device *adev)
1410 {
1411         int i;
1412
1413         for (i = 0; i < adev->mode_info.num_dig; i++) {
1414                 kfree(adev->mode_info.afmt[i]);
1415                 adev->mode_info.afmt[i] = NULL;
1416         }
1417 }
1418
1419 static const u32 vga_control_regs[6] =
1420 {
1421         mmD1VGA_CONTROL,
1422         mmD2VGA_CONTROL,
1423         mmD3VGA_CONTROL,
1424         mmD4VGA_CONTROL,
1425         mmD5VGA_CONTROL,
1426         mmD6VGA_CONTROL,
1427 };
1428
1429 static void dce_v6_0_vga_enable(struct drm_crtc *crtc, bool enable)
1430 {
1431         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1432         struct drm_device *dev = crtc->dev;
1433         struct amdgpu_device *adev = dev->dev_private;
1434         u32 vga_control;
1435
1436         vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1;
1437         WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | (enable ? 1 : 0));
1438 }
1439
1440 static void dce_v6_0_grph_enable(struct drm_crtc *crtc, bool enable)
1441 {
1442         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1443         struct drm_device *dev = crtc->dev;
1444         struct amdgpu_device *adev = dev->dev_private;
1445
1446         WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, enable ? 1 : 0);
1447 }
1448
1449 static int dce_v6_0_crtc_do_set_base(struct drm_crtc *crtc,
1450                                      struct drm_framebuffer *fb,
1451                                      int x, int y, int atomic)
1452 {
1453         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1454         struct drm_device *dev = crtc->dev;
1455         struct amdgpu_device *adev = dev->dev_private;
1456         struct amdgpu_framebuffer *amdgpu_fb;
1457         struct drm_framebuffer *target_fb;
1458         struct drm_gem_object *obj;
1459         struct amdgpu_bo *abo;
1460         uint64_t fb_location, tiling_flags;
1461         uint32_t fb_format, fb_pitch_pixels, pipe_config;
1462         u32 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_NONE);
1463         u32 viewport_w, viewport_h;
1464         int r;
1465         bool bypass_lut = false;
1466         struct drm_format_name_buf format_name;
1467
1468         /* no fb bound */
1469         if (!atomic && !crtc->primary->fb) {
1470                 DRM_DEBUG_KMS("No FB bound\n");
1471                 return 0;
1472         }
1473
1474         if (atomic) {
1475                 amdgpu_fb = to_amdgpu_framebuffer(fb);
1476                 target_fb = fb;
1477         } else {
1478                 amdgpu_fb = to_amdgpu_framebuffer(crtc->primary->fb);
1479                 target_fb = crtc->primary->fb;
1480         }
1481
1482         /* If atomic, assume fb object is pinned & idle & fenced and
1483          * just update base pointers
1484          */
1485         obj = amdgpu_fb->obj;
1486         abo = gem_to_amdgpu_bo(obj);
1487         r = amdgpu_bo_reserve(abo, false);
1488         if (unlikely(r != 0))
1489                 return r;
1490
1491         if (atomic) {
1492                 fb_location = amdgpu_bo_gpu_offset(abo);
1493         } else {
1494                 r = amdgpu_bo_pin(abo, AMDGPU_GEM_DOMAIN_VRAM, &fb_location);
1495                 if (unlikely(r != 0)) {
1496                         amdgpu_bo_unreserve(abo);
1497                         return -EINVAL;
1498                 }
1499         }
1500
1501         amdgpu_bo_get_tiling_flags(abo, &tiling_flags);
1502         amdgpu_bo_unreserve(abo);
1503
1504         switch (target_fb->format->format) {
1505         case DRM_FORMAT_C8:
1506                 fb_format = (GRPH_DEPTH(GRPH_DEPTH_8BPP) |
1507                              GRPH_FORMAT(GRPH_FORMAT_INDEXED));
1508                 break;
1509         case DRM_FORMAT_XRGB4444:
1510         case DRM_FORMAT_ARGB4444:
1511                 fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1512                              GRPH_FORMAT(GRPH_FORMAT_ARGB4444));
1513 #ifdef __BIG_ENDIAN
1514                 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1515 #endif
1516                 break;
1517         case DRM_FORMAT_XRGB1555:
1518         case DRM_FORMAT_ARGB1555:
1519                 fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1520                              GRPH_FORMAT(GRPH_FORMAT_ARGB1555));
1521 #ifdef __BIG_ENDIAN
1522                 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1523 #endif
1524                 break;
1525         case DRM_FORMAT_BGRX5551:
1526         case DRM_FORMAT_BGRA5551:
1527                 fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1528                              GRPH_FORMAT(GRPH_FORMAT_BGRA5551));
1529 #ifdef __BIG_ENDIAN
1530                 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1531 #endif
1532                 break;
1533         case DRM_FORMAT_RGB565:
1534                 fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1535                              GRPH_FORMAT(GRPH_FORMAT_ARGB565));
1536 #ifdef __BIG_ENDIAN
1537                 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1538 #endif
1539                 break;
1540         case DRM_FORMAT_XRGB8888:
1541         case DRM_FORMAT_ARGB8888:
1542                 fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1543                              GRPH_FORMAT(GRPH_FORMAT_ARGB8888));
1544 #ifdef __BIG_ENDIAN
1545                 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1546 #endif
1547                 break;
1548         case DRM_FORMAT_XRGB2101010:
1549         case DRM_FORMAT_ARGB2101010:
1550                 fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1551                              GRPH_FORMAT(GRPH_FORMAT_ARGB2101010));
1552 #ifdef __BIG_ENDIAN
1553                 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1554 #endif
1555                 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1556                 bypass_lut = true;
1557                 break;
1558         case DRM_FORMAT_BGRX1010102:
1559         case DRM_FORMAT_BGRA1010102:
1560                 fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1561                              GRPH_FORMAT(GRPH_FORMAT_BGRA1010102));
1562 #ifdef __BIG_ENDIAN
1563                 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1564 #endif
1565                 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1566                 bypass_lut = true;
1567                 break;
1568         default:
1569                 DRM_ERROR("Unsupported screen format %s\n",
1570                           drm_get_format_name(target_fb->format->format, &format_name));
1571                 return -EINVAL;
1572         }
1573
1574         if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) {
1575                 unsigned bankw, bankh, mtaspect, tile_split, num_banks;
1576
1577                 bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
1578                 bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
1579                 mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
1580                 tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
1581                 num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
1582
1583                 fb_format |= GRPH_NUM_BANKS(num_banks);
1584                 fb_format |= GRPH_ARRAY_MODE(GRPH_ARRAY_2D_TILED_THIN1);
1585                 fb_format |= GRPH_TILE_SPLIT(tile_split);
1586                 fb_format |= GRPH_BANK_WIDTH(bankw);
1587                 fb_format |= GRPH_BANK_HEIGHT(bankh);
1588                 fb_format |= GRPH_MACRO_TILE_ASPECT(mtaspect);
1589         } else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) {
1590                 fb_format |= GRPH_ARRAY_MODE(GRPH_ARRAY_1D_TILED_THIN1);
1591         }
1592
1593         pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
1594         fb_format |= GRPH_PIPE_CONFIG(pipe_config);
1595
1596         dce_v6_0_vga_enable(crtc, false);
1597
1598         /* Make sure surface address is updated at vertical blank rather than
1599          * horizontal blank
1600          */
1601         WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, 0);
1602
1603         WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
1604                upper_32_bits(fb_location));
1605         WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
1606                upper_32_bits(fb_location));
1607         WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
1608                (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
1609         WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
1610                (u32) fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
1611         WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format);
1612         WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap);
1613
1614         /*
1615          * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT
1616          * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to
1617          * retain the full precision throughout the pipeline.
1618          */
1619         WREG32_P(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset,
1620                  (bypass_lut ? GRPH_LUT_10BIT_BYPASS__GRPH_LUT_10BIT_BYPASS_EN_MASK : 0),
1621                  ~GRPH_LUT_10BIT_BYPASS__GRPH_LUT_10BIT_BYPASS_EN_MASK);
1622
1623         if (bypass_lut)
1624                 DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n");
1625
1626         WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0);
1627         WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0);
1628         WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0);
1629         WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0);
1630         WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width);
1631         WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height);
1632
1633         fb_pitch_pixels = target_fb->pitches[0] / target_fb->format->cpp[0];
1634         WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels);
1635
1636         dce_v6_0_grph_enable(crtc, true);
1637
1638         WREG32(mmDESKTOP_HEIGHT + amdgpu_crtc->crtc_offset,
1639                        target_fb->height);
1640         x &= ~3;
1641         y &= ~1;
1642         WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset,
1643                (x << 16) | y);
1644         viewport_w = crtc->mode.hdisplay;
1645         viewport_h = (crtc->mode.vdisplay + 1) & ~1;
1646
1647         WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset,
1648                (viewport_w << 16) | viewport_h);
1649
1650         /* set pageflip to happen anywhere in vblank interval */
1651         WREG32(mmMASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0);
1652
1653         if (!atomic && fb && fb != crtc->primary->fb) {
1654                 amdgpu_fb = to_amdgpu_framebuffer(fb);
1655                 abo = gem_to_amdgpu_bo(amdgpu_fb->obj);
1656                 r = amdgpu_bo_reserve(abo, false);
1657                 if (unlikely(r != 0))
1658                         return r;
1659                 amdgpu_bo_unpin(abo);
1660                 amdgpu_bo_unreserve(abo);
1661         }
1662
1663         /* Bytes per pixel may have changed */
1664         dce_v6_0_bandwidth_update(adev);
1665
1666         return 0;
1667
1668 }
1669
1670 static void dce_v6_0_set_interleave(struct drm_crtc *crtc,
1671                                     struct drm_display_mode *mode)
1672 {
1673         struct drm_device *dev = crtc->dev;
1674         struct amdgpu_device *adev = dev->dev_private;
1675         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1676
1677         if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1678                 WREG32(mmDATA_FORMAT + amdgpu_crtc->crtc_offset,
1679                        INTERLEAVE_EN);
1680         else
1681                 WREG32(mmDATA_FORMAT + amdgpu_crtc->crtc_offset, 0);
1682 }
1683
1684 static void dce_v6_0_crtc_load_lut(struct drm_crtc *crtc)
1685 {
1686
1687         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1688         struct drm_device *dev = crtc->dev;
1689         struct amdgpu_device *adev = dev->dev_private;
1690         int i;
1691
1692         DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id);
1693
1694         WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset,
1695                ((0 << INPUT_CSC_CONTROL__INPUT_CSC_GRPH_MODE__SHIFT) |
1696                 (0 << INPUT_CSC_CONTROL__INPUT_CSC_OVL_MODE__SHIFT)));
1697         WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset,
1698                PRESCALE_GRPH_CONTROL__GRPH_PRESCALE_BYPASS_MASK);
1699         WREG32(mmPRESCALE_OVL_CONTROL + amdgpu_crtc->crtc_offset,
1700                PRESCALE_OVL_CONTROL__OVL_PRESCALE_BYPASS_MASK);
1701         WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset,
1702                ((0 << INPUT_GAMMA_CONTROL__GRPH_INPUT_GAMMA_MODE__SHIFT) |
1703                 (0 << INPUT_GAMMA_CONTROL__OVL_INPUT_GAMMA_MODE__SHIFT)));
1704
1705         WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0);
1706
1707         WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0);
1708         WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0);
1709         WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0);
1710
1711         WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff);
1712         WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff);
1713         WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff);
1714
1715         WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0);
1716         WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
1717
1718         WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
1719         for (i = 0; i < 256; i++) {
1720                 WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
1721                        (amdgpu_crtc->lut_r[i] << 20) |
1722                        (amdgpu_crtc->lut_g[i] << 10) |
1723                        (amdgpu_crtc->lut_b[i] << 0));
1724         }
1725
1726         WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset,
1727                ((0 << DEGAMMA_CONTROL__GRPH_DEGAMMA_MODE__SHIFT) |
1728                 (0 << DEGAMMA_CONTROL__OVL_DEGAMMA_MODE__SHIFT) |
1729                 ICON_DEGAMMA_MODE(0) |
1730                 (0 << DEGAMMA_CONTROL__CURSOR_DEGAMMA_MODE__SHIFT)));
1731         WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset,
1732                ((0 << GAMUT_REMAP_CONTROL__GRPH_GAMUT_REMAP_MODE__SHIFT) |
1733                 (0 << GAMUT_REMAP_CONTROL__OVL_GAMUT_REMAP_MODE__SHIFT)));
1734         WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset,
1735                ((0 << REGAMMA_CONTROL__GRPH_REGAMMA_MODE__SHIFT) |
1736                 (0 << REGAMMA_CONTROL__OVL_REGAMMA_MODE__SHIFT)));
1737         WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset,
1738                ((0 << OUTPUT_CSC_CONTROL__OUTPUT_CSC_GRPH_MODE__SHIFT) |
1739                 (0 << OUTPUT_CSC_CONTROL__OUTPUT_CSC_OVL_MODE__SHIFT)));
1740         /* XXX match this to the depth of the crtc fmt block, move to modeset? */
1741         WREG32(0x1a50 + amdgpu_crtc->crtc_offset, 0);
1742
1743
1744 }
1745
1746 static int dce_v6_0_pick_dig_encoder(struct drm_encoder *encoder)
1747 {
1748         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1749         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1750
1751         switch (amdgpu_encoder->encoder_id) {
1752         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
1753                 return dig->linkb ? 1 : 0;
1754         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
1755                 return dig->linkb ? 3 : 2;
1756         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
1757                 return dig->linkb ? 5 : 4;
1758         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
1759                 return 6;
1760         default:
1761                 DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
1762                 return 0;
1763         }
1764 }
1765
1766 /**
1767  * dce_v6_0_pick_pll - Allocate a PPLL for use by the crtc.
1768  *
1769  * @crtc: drm crtc
1770  *
1771  * Returns the PPLL (Pixel PLL) to be used by the crtc.  For DP monitors
1772  * a single PPLL can be used for all DP crtcs/encoders.  For non-DP
1773  * monitors a dedicated PPLL must be used.  If a particular board has
1774  * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
1775  * as there is no need to program the PLL itself.  If we are not able to
1776  * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
1777  * avoid messing up an existing monitor.
1778  *
1779  *
1780  */
1781 static u32 dce_v6_0_pick_pll(struct drm_crtc *crtc)
1782 {
1783         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1784         struct drm_device *dev = crtc->dev;
1785         struct amdgpu_device *adev = dev->dev_private;
1786         u32 pll_in_use;
1787         int pll;
1788
1789         if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) {
1790                 if (adev->clock.dp_extclk)
1791                         /* skip PPLL programming if using ext clock */
1792                         return ATOM_PPLL_INVALID;
1793                 else
1794                         return ATOM_PPLL0;
1795         } else {
1796                 /* use the same PPLL for all monitors with the same clock */
1797                 pll = amdgpu_pll_get_shared_nondp_ppll(crtc);
1798                 if (pll != ATOM_PPLL_INVALID)
1799                         return pll;
1800         }
1801
1802         /*  PPLL1, and PPLL2 */
1803         pll_in_use = amdgpu_pll_get_use_mask(crtc);
1804         if (!(pll_in_use & (1 << ATOM_PPLL2)))
1805                 return ATOM_PPLL2;
1806         if (!(pll_in_use & (1 << ATOM_PPLL1)))
1807                 return ATOM_PPLL1;
1808         DRM_ERROR("unable to allocate a PPLL\n");
1809         return ATOM_PPLL_INVALID;
1810 }
1811
1812 static void dce_v6_0_lock_cursor(struct drm_crtc *crtc, bool lock)
1813 {
1814         struct amdgpu_device *adev = crtc->dev->dev_private;
1815         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1816         uint32_t cur_lock;
1817
1818         cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset);
1819         if (lock)
1820                 cur_lock |= CUR_UPDATE__CURSOR_UPDATE_LOCK_MASK;
1821         else
1822                 cur_lock &= ~CUR_UPDATE__CURSOR_UPDATE_LOCK_MASK;
1823         WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock);
1824 }
1825
1826 static void dce_v6_0_hide_cursor(struct drm_crtc *crtc)
1827 {
1828         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1829         struct amdgpu_device *adev = crtc->dev->dev_private;
1830
1831         WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset,
1832                    (CURSOR_24_8_PRE_MULT << CUR_CONTROL__CURSOR_MODE__SHIFT) |
1833                    (CURSOR_URGENT_1_2 << CUR_CONTROL__CURSOR_URGENT_CONTROL__SHIFT));
1834
1835
1836 }
1837
1838 static void dce_v6_0_show_cursor(struct drm_crtc *crtc)
1839 {
1840         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1841         struct amdgpu_device *adev = crtc->dev->dev_private;
1842
1843         WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
1844                upper_32_bits(amdgpu_crtc->cursor_addr));
1845         WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
1846                lower_32_bits(amdgpu_crtc->cursor_addr));
1847
1848         WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset,
1849                    CUR_CONTROL__CURSOR_EN_MASK |
1850                    (CURSOR_24_8_PRE_MULT << CUR_CONTROL__CURSOR_MODE__SHIFT) |
1851                    (CURSOR_URGENT_1_2 << CUR_CONTROL__CURSOR_URGENT_CONTROL__SHIFT));
1852
1853 }
1854
1855 static int dce_v6_0_cursor_move_locked(struct drm_crtc *crtc,
1856                                        int x, int y)
1857 {
1858         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1859         struct amdgpu_device *adev = crtc->dev->dev_private;
1860         int xorigin = 0, yorigin = 0;
1861
1862         amdgpu_crtc->cursor_x = x;
1863         amdgpu_crtc->cursor_y = y;
1864
1865         /* avivo cursor are offset into the total surface */
1866         x += crtc->x;
1867         y += crtc->y;
1868         DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
1869
1870         if (x < 0) {
1871                 xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
1872                 x = 0;
1873         }
1874         if (y < 0) {
1875                 yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
1876                 y = 0;
1877         }
1878
1879         WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);
1880         WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin);
1881
1882         return 0;
1883 }
1884
1885 static int dce_v6_0_crtc_cursor_move(struct drm_crtc *crtc,
1886                                      int x, int y)
1887 {
1888         int ret;
1889
1890         dce_v6_0_lock_cursor(crtc, true);
1891         ret = dce_v6_0_cursor_move_locked(crtc, x, y);
1892         dce_v6_0_lock_cursor(crtc, false);
1893
1894         return ret;
1895 }
1896
1897 static int dce_v6_0_crtc_cursor_set2(struct drm_crtc *crtc,
1898                                      struct drm_file *file_priv,
1899                                      uint32_t handle,
1900                                      uint32_t width,
1901                                      uint32_t height,
1902                                      int32_t hot_x,
1903                                      int32_t hot_y)
1904 {
1905         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1906         struct amdgpu_device *adev = crtc->dev->dev_private;
1907         struct drm_gem_object *obj;
1908         struct amdgpu_bo *aobj;
1909         int ret;
1910
1911         if (!handle) {
1912                 /* turn off cursor */
1913                 dce_v6_0_hide_cursor(crtc);
1914                 obj = NULL;
1915                 goto unpin;
1916         }
1917
1918         if ((width > amdgpu_crtc->max_cursor_width) ||
1919             (height > amdgpu_crtc->max_cursor_height)) {
1920                 DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
1921                 return -EINVAL;
1922         }
1923
1924         obj = drm_gem_object_lookup(file_priv, handle);
1925         if (!obj) {
1926                 DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id);
1927                 return -ENOENT;
1928         }
1929
1930         aobj = gem_to_amdgpu_bo(obj);
1931         ret = amdgpu_bo_reserve(aobj, false);
1932         if (ret != 0) {
1933                 drm_gem_object_unreference_unlocked(obj);
1934                 return ret;
1935         }
1936
1937         ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM, &amdgpu_crtc->cursor_addr);
1938         amdgpu_bo_unreserve(aobj);
1939         if (ret) {
1940                 DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret);
1941                 drm_gem_object_unreference_unlocked(obj);
1942                 return ret;
1943         }
1944
1945         dce_v6_0_lock_cursor(crtc, true);
1946
1947         if (hot_x != amdgpu_crtc->cursor_hot_x ||
1948             hot_y != amdgpu_crtc->cursor_hot_y) {
1949                 int x, y;
1950
1951                 x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x;
1952                 y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y;
1953
1954                 dce_v6_0_cursor_move_locked(crtc, x, y);
1955
1956                 amdgpu_crtc->cursor_hot_x = hot_x;
1957                 amdgpu_crtc->cursor_hot_y = hot_y;
1958         }
1959
1960         if (width != amdgpu_crtc->cursor_width ||
1961             height != amdgpu_crtc->cursor_height) {
1962                 WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
1963                        (width - 1) << 16 | (height - 1));
1964                 amdgpu_crtc->cursor_width = width;
1965                 amdgpu_crtc->cursor_height = height;
1966         }
1967
1968         dce_v6_0_show_cursor(crtc);
1969         dce_v6_0_lock_cursor(crtc, false);
1970
1971 unpin:
1972         if (amdgpu_crtc->cursor_bo) {
1973                 struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
1974                 ret = amdgpu_bo_reserve(aobj, false);
1975                 if (likely(ret == 0)) {
1976                         amdgpu_bo_unpin(aobj);
1977                         amdgpu_bo_unreserve(aobj);
1978                 }
1979                 drm_gem_object_unreference_unlocked(amdgpu_crtc->cursor_bo);
1980         }
1981
1982         amdgpu_crtc->cursor_bo = obj;
1983         return 0;
1984 }
1985
1986 static void dce_v6_0_cursor_reset(struct drm_crtc *crtc)
1987 {
1988         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1989         struct amdgpu_device *adev = crtc->dev->dev_private;
1990
1991         if (amdgpu_crtc->cursor_bo) {
1992                 dce_v6_0_lock_cursor(crtc, true);
1993
1994                 dce_v6_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x,
1995                                             amdgpu_crtc->cursor_y);
1996
1997                 WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
1998                        (amdgpu_crtc->cursor_width - 1) << 16 |
1999                        (amdgpu_crtc->cursor_height - 1));
2000
2001                 dce_v6_0_show_cursor(crtc);
2002                 dce_v6_0_lock_cursor(crtc, false);
2003         }
2004 }
2005
2006 static int dce_v6_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
2007                                    u16 *blue, uint32_t size)
2008 {
2009         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2010         int i;
2011
2012         /* userspace palettes are always correct as is */
2013         for (i = 0; i < size; i++) {
2014                 amdgpu_crtc->lut_r[i] = red[i] >> 6;
2015                 amdgpu_crtc->lut_g[i] = green[i] >> 6;
2016                 amdgpu_crtc->lut_b[i] = blue[i] >> 6;
2017         }
2018         dce_v6_0_crtc_load_lut(crtc);
2019
2020         return 0;
2021 }
2022
2023 static void dce_v6_0_crtc_destroy(struct drm_crtc *crtc)
2024 {
2025         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2026
2027         drm_crtc_cleanup(crtc);
2028         kfree(amdgpu_crtc);
2029 }
2030
2031 static const struct drm_crtc_funcs dce_v6_0_crtc_funcs = {
2032         .cursor_set2 = dce_v6_0_crtc_cursor_set2,
2033         .cursor_move = dce_v6_0_crtc_cursor_move,
2034         .gamma_set = dce_v6_0_crtc_gamma_set,
2035         .set_config = amdgpu_crtc_set_config,
2036         .destroy = dce_v6_0_crtc_destroy,
2037         .page_flip_target = amdgpu_crtc_page_flip_target,
2038 };
2039
2040 static void dce_v6_0_crtc_dpms(struct drm_crtc *crtc, int mode)
2041 {
2042         struct drm_device *dev = crtc->dev;
2043         struct amdgpu_device *adev = dev->dev_private;
2044         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2045         unsigned type;
2046
2047         switch (mode) {
2048         case DRM_MODE_DPMS_ON:
2049                 amdgpu_crtc->enabled = true;
2050                 amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE);
2051                 amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE);
2052                 /* Make sure VBLANK and PFLIP interrupts are still enabled */
2053                 type = amdgpu_crtc_idx_to_irq_type(adev, amdgpu_crtc->crtc_id);
2054                 amdgpu_irq_update(adev, &adev->crtc_irq, type);
2055                 amdgpu_irq_update(adev, &adev->pageflip_irq, type);
2056                 drm_crtc_vblank_on(crtc);
2057                 dce_v6_0_crtc_load_lut(crtc);
2058                 break;
2059         case DRM_MODE_DPMS_STANDBY:
2060         case DRM_MODE_DPMS_SUSPEND:
2061         case DRM_MODE_DPMS_OFF:
2062                 drm_crtc_vblank_off(crtc);
2063                 if (amdgpu_crtc->enabled)
2064                         amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE);
2065                 amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE);
2066                 amdgpu_crtc->enabled = false;
2067                 break;
2068         }
2069         /* adjust pm to dpms */
2070         amdgpu_pm_compute_clocks(adev);
2071 }
2072
2073 static void dce_v6_0_crtc_prepare(struct drm_crtc *crtc)
2074 {
2075         /* disable crtc pair power gating before programming */
2076         amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE);
2077         amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE);
2078         dce_v6_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2079 }
2080
2081 static void dce_v6_0_crtc_commit(struct drm_crtc *crtc)
2082 {
2083         dce_v6_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
2084         amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE);
2085 }
2086
2087 static void dce_v6_0_crtc_disable(struct drm_crtc *crtc)
2088 {
2089
2090         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2091         struct drm_device *dev = crtc->dev;
2092         struct amdgpu_device *adev = dev->dev_private;
2093         struct amdgpu_atom_ss ss;
2094         int i;
2095
2096         dce_v6_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2097         if (crtc->primary->fb) {
2098                 int r;
2099                 struct amdgpu_framebuffer *amdgpu_fb;
2100                 struct amdgpu_bo *abo;
2101
2102                 amdgpu_fb = to_amdgpu_framebuffer(crtc->primary->fb);
2103                 abo = gem_to_amdgpu_bo(amdgpu_fb->obj);
2104                 r = amdgpu_bo_reserve(abo, false);
2105                 if (unlikely(r))
2106                         DRM_ERROR("failed to reserve abo before unpin\n");
2107                 else {
2108                         amdgpu_bo_unpin(abo);
2109                         amdgpu_bo_unreserve(abo);
2110                 }
2111         }
2112         /* disable the GRPH */
2113         dce_v6_0_grph_enable(crtc, false);
2114
2115         amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE);
2116
2117         for (i = 0; i < adev->mode_info.num_crtc; i++) {
2118                 if (adev->mode_info.crtcs[i] &&
2119                     adev->mode_info.crtcs[i]->enabled &&
2120                     i != amdgpu_crtc->crtc_id &&
2121                     amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) {
2122                         /* one other crtc is using this pll don't turn
2123                          * off the pll
2124                          */
2125                         goto done;
2126                 }
2127         }
2128
2129         switch (amdgpu_crtc->pll_id) {
2130         case ATOM_PPLL1:
2131         case ATOM_PPLL2:
2132                 /* disable the ppll */
2133                 amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
2134                                                  0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2135                 break;
2136         default:
2137                 break;
2138         }
2139 done:
2140         amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2141         amdgpu_crtc->adjusted_clock = 0;
2142         amdgpu_crtc->encoder = NULL;
2143         amdgpu_crtc->connector = NULL;
2144 }
2145
2146 static int dce_v6_0_crtc_mode_set(struct drm_crtc *crtc,
2147                                   struct drm_display_mode *mode,
2148                                   struct drm_display_mode *adjusted_mode,
2149                                   int x, int y, struct drm_framebuffer *old_fb)
2150 {
2151         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2152
2153         if (!amdgpu_crtc->adjusted_clock)
2154                 return -EINVAL;
2155
2156         amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode);
2157         amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode);
2158         dce_v6_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2159         amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode);
2160         amdgpu_atombios_crtc_scaler_setup(crtc);
2161         dce_v6_0_cursor_reset(crtc);
2162         /* update the hw version fpr dpm */
2163         amdgpu_crtc->hw_mode = *adjusted_mode;
2164
2165         return 0;
2166 }
2167
2168 static bool dce_v6_0_crtc_mode_fixup(struct drm_crtc *crtc,
2169                                      const struct drm_display_mode *mode,
2170                                      struct drm_display_mode *adjusted_mode)
2171 {
2172
2173         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2174         struct drm_device *dev = crtc->dev;
2175         struct drm_encoder *encoder;
2176
2177         /* assign the encoder to the amdgpu crtc to avoid repeated lookups later */
2178         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
2179                 if (encoder->crtc == crtc) {
2180                         amdgpu_crtc->encoder = encoder;
2181                         amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder);
2182                         break;
2183                 }
2184         }
2185         if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) {
2186                 amdgpu_crtc->encoder = NULL;
2187                 amdgpu_crtc->connector = NULL;
2188                 return false;
2189         }
2190         if (!amdgpu_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
2191                 return false;
2192         if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode))
2193                 return false;
2194         /* pick pll */
2195         amdgpu_crtc->pll_id = dce_v6_0_pick_pll(crtc);
2196         /* if we can't get a PPLL for a non-DP encoder, fail */
2197         if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) &&
2198             !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2199                 return false;
2200
2201         return true;
2202 }
2203
2204 static int dce_v6_0_crtc_set_base(struct drm_crtc *crtc, int x, int y,
2205                                   struct drm_framebuffer *old_fb)
2206 {
2207         return dce_v6_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2208 }
2209
2210 static int dce_v6_0_crtc_set_base_atomic(struct drm_crtc *crtc,
2211                                          struct drm_framebuffer *fb,
2212                                          int x, int y, enum mode_set_atomic state)
2213 {
2214        return dce_v6_0_crtc_do_set_base(crtc, fb, x, y, 1);
2215 }
2216
2217 static const struct drm_crtc_helper_funcs dce_v6_0_crtc_helper_funcs = {
2218         .dpms = dce_v6_0_crtc_dpms,
2219         .mode_fixup = dce_v6_0_crtc_mode_fixup,
2220         .mode_set = dce_v6_0_crtc_mode_set,
2221         .mode_set_base = dce_v6_0_crtc_set_base,
2222         .mode_set_base_atomic = dce_v6_0_crtc_set_base_atomic,
2223         .prepare = dce_v6_0_crtc_prepare,
2224         .commit = dce_v6_0_crtc_commit,
2225         .load_lut = dce_v6_0_crtc_load_lut,
2226         .disable = dce_v6_0_crtc_disable,
2227 };
2228
2229 static int dce_v6_0_crtc_init(struct amdgpu_device *adev, int index)
2230 {
2231         struct amdgpu_crtc *amdgpu_crtc;
2232         int i;
2233
2234         amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
2235                               (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
2236         if (amdgpu_crtc == NULL)
2237                 return -ENOMEM;
2238
2239         drm_crtc_init(adev->ddev, &amdgpu_crtc->base, &dce_v6_0_crtc_funcs);
2240
2241         drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
2242         amdgpu_crtc->crtc_id = index;
2243         adev->mode_info.crtcs[index] = amdgpu_crtc;
2244
2245         amdgpu_crtc->max_cursor_width = CURSOR_WIDTH;
2246         amdgpu_crtc->max_cursor_height = CURSOR_HEIGHT;
2247         adev->ddev->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
2248         adev->ddev->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
2249
2250         for (i = 0; i < 256; i++) {
2251                 amdgpu_crtc->lut_r[i] = i << 2;
2252                 amdgpu_crtc->lut_g[i] = i << 2;
2253                 amdgpu_crtc->lut_b[i] = i << 2;
2254         }
2255
2256         amdgpu_crtc->crtc_offset = crtc_offsets[amdgpu_crtc->crtc_id];
2257
2258         amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2259         amdgpu_crtc->adjusted_clock = 0;
2260         amdgpu_crtc->encoder = NULL;
2261         amdgpu_crtc->connector = NULL;
2262         drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v6_0_crtc_helper_funcs);
2263
2264         return 0;
2265 }
2266
2267 static int dce_v6_0_early_init(void *handle)
2268 {
2269         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2270
2271         adev->audio_endpt_rreg = &dce_v6_0_audio_endpt_rreg;
2272         adev->audio_endpt_wreg = &dce_v6_0_audio_endpt_wreg;
2273
2274         dce_v6_0_set_display_funcs(adev);
2275         dce_v6_0_set_irq_funcs(adev);
2276
2277         adev->mode_info.num_crtc = dce_v6_0_get_num_crtc(adev);
2278
2279         switch (adev->asic_type) {
2280         case CHIP_TAHITI:
2281         case CHIP_PITCAIRN:
2282         case CHIP_VERDE:
2283                 adev->mode_info.num_hpd = 6;
2284                 adev->mode_info.num_dig = 6;
2285                 break;
2286         case CHIP_OLAND:
2287                 adev->mode_info.num_hpd = 2;
2288                 adev->mode_info.num_dig = 2;
2289                 break;
2290         default:
2291                 return -EINVAL;
2292         }
2293
2294         return 0;
2295 }
2296
2297 static int dce_v6_0_sw_init(void *handle)
2298 {
2299         int r, i;
2300         bool ret;
2301         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2302
2303         for (i = 0; i < adev->mode_info.num_crtc; i++) {
2304                 r = amdgpu_irq_add_id(adev, i + 1, &adev->crtc_irq);
2305                 if (r)
2306                         return r;
2307         }
2308
2309         for (i = 8; i < 20; i += 2) {
2310                 r = amdgpu_irq_add_id(adev, i, &adev->pageflip_irq);
2311                 if (r)
2312                         return r;
2313         }
2314
2315         /* HPD hotplug */
2316         r = amdgpu_irq_add_id(adev, 42, &adev->hpd_irq);
2317         if (r)
2318                 return r;
2319
2320         adev->mode_info.mode_config_initialized = true;
2321
2322         adev->ddev->mode_config.funcs = &amdgpu_mode_funcs;
2323         adev->ddev->mode_config.async_page_flip = true;
2324         adev->ddev->mode_config.max_width = 16384;
2325         adev->ddev->mode_config.max_height = 16384;
2326         adev->ddev->mode_config.preferred_depth = 24;
2327         adev->ddev->mode_config.prefer_shadow = 1;
2328         adev->ddev->mode_config.fb_base = adev->mc.aper_base;
2329
2330         r = amdgpu_modeset_create_props(adev);
2331         if (r)
2332                 return r;
2333
2334         adev->ddev->mode_config.max_width = 16384;
2335         adev->ddev->mode_config.max_height = 16384;
2336
2337         /* allocate crtcs */
2338         for (i = 0; i < adev->mode_info.num_crtc; i++) {
2339                 r = dce_v6_0_crtc_init(adev, i);
2340                 if (r)
2341                         return r;
2342         }
2343
2344         ret = amdgpu_atombios_get_connector_info_from_object_table(adev);
2345         if (ret)
2346                 amdgpu_print_display_setup(adev->ddev);
2347         else
2348                 return -EINVAL;
2349
2350         /* setup afmt */
2351         r = dce_v6_0_afmt_init(adev);
2352         if (r)
2353                 return r;
2354
2355         r = dce_v6_0_audio_init(adev);
2356         if (r)
2357                 return r;
2358
2359         drm_kms_helper_poll_init(adev->ddev);
2360
2361         return r;
2362 }
2363
2364 static int dce_v6_0_sw_fini(void *handle)
2365 {
2366         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2367
2368         kfree(adev->mode_info.bios_hardcoded_edid);
2369
2370         drm_kms_helper_poll_fini(adev->ddev);
2371
2372         dce_v6_0_audio_fini(adev);
2373         dce_v6_0_afmt_fini(adev);
2374
2375         drm_mode_config_cleanup(adev->ddev);
2376         adev->mode_info.mode_config_initialized = false;
2377
2378         return 0;
2379 }
2380
2381 static int dce_v6_0_hw_init(void *handle)
2382 {
2383         int i;
2384         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2385
2386         /* init dig PHYs, disp eng pll */
2387         amdgpu_atombios_encoder_init_dig(adev);
2388         amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
2389
2390         /* initialize hpd */
2391         dce_v6_0_hpd_init(adev);
2392
2393         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2394                 dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2395         }
2396
2397         dce_v6_0_pageflip_interrupt_init(adev);
2398
2399         return 0;
2400 }
2401
2402 static int dce_v6_0_hw_fini(void *handle)
2403 {
2404         int i;
2405         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2406
2407         dce_v6_0_hpd_fini(adev);
2408
2409         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2410                 dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2411         }
2412
2413         dce_v6_0_pageflip_interrupt_fini(adev);
2414
2415         return 0;
2416 }
2417
2418 static int dce_v6_0_suspend(void *handle)
2419 {
2420         return dce_v6_0_hw_fini(handle);
2421 }
2422
2423 static int dce_v6_0_resume(void *handle)
2424 {
2425         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2426         int ret;
2427
2428         ret = dce_v6_0_hw_init(handle);
2429
2430         /* turn on the BL */
2431         if (adev->mode_info.bl_encoder) {
2432                 u8 bl_level = amdgpu_display_backlight_get_level(adev,
2433                                                                   adev->mode_info.bl_encoder);
2434                 amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
2435                                                     bl_level);
2436         }
2437
2438         return ret;
2439 }
2440
2441 static bool dce_v6_0_is_idle(void *handle)
2442 {
2443         return true;
2444 }
2445
2446 static int dce_v6_0_wait_for_idle(void *handle)
2447 {
2448         return 0;
2449 }
2450
2451 static int dce_v6_0_soft_reset(void *handle)
2452 {
2453         DRM_INFO("xxxx: dce_v6_0_soft_reset --- no impl!!\n");
2454         return 0;
2455 }
2456
2457 static void dce_v6_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
2458                                                      int crtc,
2459                                                      enum amdgpu_interrupt_state state)
2460 {
2461         u32 reg_block, interrupt_mask;
2462
2463         if (crtc >= adev->mode_info.num_crtc) {
2464                 DRM_DEBUG("invalid crtc %d\n", crtc);
2465                 return;
2466         }
2467
2468         switch (crtc) {
2469         case 0:
2470                 reg_block = SI_CRTC0_REGISTER_OFFSET;
2471                 break;
2472         case 1:
2473                 reg_block = SI_CRTC1_REGISTER_OFFSET;
2474                 break;
2475         case 2:
2476                 reg_block = SI_CRTC2_REGISTER_OFFSET;
2477                 break;
2478         case 3:
2479                 reg_block = SI_CRTC3_REGISTER_OFFSET;
2480                 break;
2481         case 4:
2482                 reg_block = SI_CRTC4_REGISTER_OFFSET;
2483                 break;
2484         case 5:
2485                 reg_block = SI_CRTC5_REGISTER_OFFSET;
2486                 break;
2487         default:
2488                 DRM_DEBUG("invalid crtc %d\n", crtc);
2489                 return;
2490         }
2491
2492         switch (state) {
2493         case AMDGPU_IRQ_STATE_DISABLE:
2494                 interrupt_mask = RREG32(mmINT_MASK + reg_block);
2495                 interrupt_mask &= ~VBLANK_INT_MASK;
2496                 WREG32(mmINT_MASK + reg_block, interrupt_mask);
2497                 break;
2498         case AMDGPU_IRQ_STATE_ENABLE:
2499                 interrupt_mask = RREG32(mmINT_MASK + reg_block);
2500                 interrupt_mask |= VBLANK_INT_MASK;
2501                 WREG32(mmINT_MASK + reg_block, interrupt_mask);
2502                 break;
2503         default:
2504                 break;
2505         }
2506 }
2507
2508 static void dce_v6_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev,
2509                                                     int crtc,
2510                                                     enum amdgpu_interrupt_state state)
2511 {
2512
2513 }
2514
2515 static int dce_v6_0_set_hpd_interrupt_state(struct amdgpu_device *adev,
2516                                             struct amdgpu_irq_src *src,
2517                                             unsigned type,
2518                                             enum amdgpu_interrupt_state state)
2519 {
2520         u32 dc_hpd_int_cntl;
2521
2522         if (type >= adev->mode_info.num_hpd) {
2523                 DRM_DEBUG("invalid hdp %d\n", type);
2524                 return 0;
2525         }
2526
2527         switch (state) {
2528         case AMDGPU_IRQ_STATE_DISABLE:
2529                 dc_hpd_int_cntl = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type]);
2530                 dc_hpd_int_cntl &= ~DC_HPDx_INT_EN;
2531                 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type], dc_hpd_int_cntl);
2532                 break;
2533         case AMDGPU_IRQ_STATE_ENABLE:
2534                 dc_hpd_int_cntl = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type]);
2535                 dc_hpd_int_cntl |= DC_HPDx_INT_EN;
2536                 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type], dc_hpd_int_cntl);
2537                 break;
2538         default:
2539                 break;
2540         }
2541
2542         return 0;
2543 }
2544
2545 static int dce_v6_0_set_crtc_interrupt_state(struct amdgpu_device *adev,
2546                                              struct amdgpu_irq_src *src,
2547                                              unsigned type,
2548                                              enum amdgpu_interrupt_state state)
2549 {
2550         switch (type) {
2551         case AMDGPU_CRTC_IRQ_VBLANK1:
2552                 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 0, state);
2553                 break;
2554         case AMDGPU_CRTC_IRQ_VBLANK2:
2555                 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 1, state);
2556                 break;
2557         case AMDGPU_CRTC_IRQ_VBLANK3:
2558                 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 2, state);
2559                 break;
2560         case AMDGPU_CRTC_IRQ_VBLANK4:
2561                 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 3, state);
2562                 break;
2563         case AMDGPU_CRTC_IRQ_VBLANK5:
2564                 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 4, state);
2565                 break;
2566         case AMDGPU_CRTC_IRQ_VBLANK6:
2567                 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 5, state);
2568                 break;
2569         case AMDGPU_CRTC_IRQ_VLINE1:
2570                 dce_v6_0_set_crtc_vline_interrupt_state(adev, 0, state);
2571                 break;
2572         case AMDGPU_CRTC_IRQ_VLINE2:
2573                 dce_v6_0_set_crtc_vline_interrupt_state(adev, 1, state);
2574                 break;
2575         case AMDGPU_CRTC_IRQ_VLINE3:
2576                 dce_v6_0_set_crtc_vline_interrupt_state(adev, 2, state);
2577                 break;
2578         case AMDGPU_CRTC_IRQ_VLINE4:
2579                 dce_v6_0_set_crtc_vline_interrupt_state(adev, 3, state);
2580                 break;
2581         case AMDGPU_CRTC_IRQ_VLINE5:
2582                 dce_v6_0_set_crtc_vline_interrupt_state(adev, 4, state);
2583                 break;
2584         case AMDGPU_CRTC_IRQ_VLINE6:
2585                 dce_v6_0_set_crtc_vline_interrupt_state(adev, 5, state);
2586                 break;
2587         default:
2588                 break;
2589         }
2590         return 0;
2591 }
2592
2593 static int dce_v6_0_crtc_irq(struct amdgpu_device *adev,
2594                              struct amdgpu_irq_src *source,
2595                              struct amdgpu_iv_entry *entry)
2596 {
2597         unsigned crtc = entry->src_id - 1;
2598         uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg);
2599         unsigned irq_type = amdgpu_crtc_idx_to_irq_type(adev, crtc);
2600
2601         switch (entry->src_data) {
2602         case 0: /* vblank */
2603                 if (disp_int & interrupt_status_offsets[crtc].vblank)
2604                         WREG32(mmVBLANK_STATUS + crtc_offsets[crtc], VBLANK_ACK);
2605                 else
2606                         DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
2607
2608                 if (amdgpu_irq_enabled(adev, source, irq_type)) {
2609                         drm_handle_vblank(adev->ddev, crtc);
2610                 }
2611                 DRM_DEBUG("IH: D%d vblank\n", crtc + 1);
2612                 break;
2613         case 1: /* vline */
2614                 if (disp_int & interrupt_status_offsets[crtc].vline)
2615                         WREG32(mmVLINE_STATUS + crtc_offsets[crtc], VLINE_ACK);
2616                 else
2617                         DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
2618
2619                 DRM_DEBUG("IH: D%d vline\n", crtc + 1);
2620                 break;
2621         default:
2622                 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data);
2623                 break;
2624         }
2625
2626         return 0;
2627 }
2628
2629 static int dce_v6_0_set_pageflip_interrupt_state(struct amdgpu_device *adev,
2630                                                  struct amdgpu_irq_src *src,
2631                                                  unsigned type,
2632                                                  enum amdgpu_interrupt_state state)
2633 {
2634         u32 reg;
2635
2636         if (type >= adev->mode_info.num_crtc) {
2637                 DRM_ERROR("invalid pageflip crtc %d\n", type);
2638                 return -EINVAL;
2639         }
2640
2641         reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]);
2642         if (state == AMDGPU_IRQ_STATE_DISABLE)
2643                 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
2644                        reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
2645         else
2646                 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
2647                        reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
2648
2649         return 0;
2650 }
2651
2652 static int dce_v6_0_pageflip_irq(struct amdgpu_device *adev,
2653                                  struct amdgpu_irq_src *source,
2654                                  struct amdgpu_iv_entry *entry)
2655 {
2656                 unsigned long flags;
2657         unsigned crtc_id;
2658         struct amdgpu_crtc *amdgpu_crtc;
2659         struct amdgpu_flip_work *works;
2660
2661         crtc_id = (entry->src_id - 8) >> 1;
2662         amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
2663
2664         if (crtc_id >= adev->mode_info.num_crtc) {
2665                 DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
2666                 return -EINVAL;
2667         }
2668
2669         if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) &
2670             GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK)
2671                 WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id],
2672                        GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK);
2673
2674         /* IRQ could occur when in initial stage */
2675         if (amdgpu_crtc == NULL)
2676                 return 0;
2677
2678         spin_lock_irqsave(&adev->ddev->event_lock, flags);
2679         works = amdgpu_crtc->pflip_works;
2680         if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED){
2681                 DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
2682                                                 "AMDGPU_FLIP_SUBMITTED(%d)\n",
2683                                                 amdgpu_crtc->pflip_status,
2684                                                 AMDGPU_FLIP_SUBMITTED);
2685                 spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
2686                 return 0;
2687         }
2688
2689         /* page flip completed. clean up */
2690         amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
2691         amdgpu_crtc->pflip_works = NULL;
2692
2693         /* wakeup usersapce */
2694         if (works->event)
2695                 drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event);
2696
2697         spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
2698
2699         drm_crtc_vblank_put(&amdgpu_crtc->base);
2700         schedule_work(&works->unpin_work);
2701
2702         return 0;
2703 }
2704
2705 static int dce_v6_0_hpd_irq(struct amdgpu_device *adev,
2706                             struct amdgpu_irq_src *source,
2707                             struct amdgpu_iv_entry *entry)
2708 {
2709         uint32_t disp_int, mask, tmp;
2710         unsigned hpd;
2711
2712         if (entry->src_data >= adev->mode_info.num_hpd) {
2713                 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data);
2714                 return 0;
2715         }
2716
2717         hpd = entry->src_data;
2718         disp_int = RREG32(interrupt_status_offsets[hpd].reg);
2719         mask = interrupt_status_offsets[hpd].hpd;
2720
2721         if (disp_int & mask) {
2722                 tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd]);
2723                 tmp |= DC_HPD1_INT_CONTROL__DC_HPD1_INT_ACK_MASK;
2724                 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd], tmp);
2725                 schedule_work(&adev->hotplug_work);
2726                 DRM_INFO("IH: HPD%d\n", hpd + 1);
2727         }
2728
2729         return 0;
2730
2731 }
2732
2733 static int dce_v6_0_set_clockgating_state(void *handle,
2734                                           enum amd_clockgating_state state)
2735 {
2736         return 0;
2737 }
2738
2739 static int dce_v6_0_set_powergating_state(void *handle,
2740                                           enum amd_powergating_state state)
2741 {
2742         return 0;
2743 }
2744
2745 static const struct amd_ip_funcs dce_v6_0_ip_funcs = {
2746         .name = "dce_v6_0",
2747         .early_init = dce_v6_0_early_init,
2748         .late_init = NULL,
2749         .sw_init = dce_v6_0_sw_init,
2750         .sw_fini = dce_v6_0_sw_fini,
2751         .hw_init = dce_v6_0_hw_init,
2752         .hw_fini = dce_v6_0_hw_fini,
2753         .suspend = dce_v6_0_suspend,
2754         .resume = dce_v6_0_resume,
2755         .is_idle = dce_v6_0_is_idle,
2756         .wait_for_idle = dce_v6_0_wait_for_idle,
2757         .soft_reset = dce_v6_0_soft_reset,
2758         .set_clockgating_state = dce_v6_0_set_clockgating_state,
2759         .set_powergating_state = dce_v6_0_set_powergating_state,
2760 };
2761
2762 static void
2763 dce_v6_0_encoder_mode_set(struct drm_encoder *encoder,
2764                           struct drm_display_mode *mode,
2765                           struct drm_display_mode *adjusted_mode)
2766 {
2767
2768         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2769
2770         amdgpu_encoder->pixel_clock = adjusted_mode->clock;
2771
2772         /* need to call this here rather than in prepare() since we need some crtc info */
2773         amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
2774
2775         /* set scaler clears this on some chips */
2776         dce_v6_0_set_interleave(encoder->crtc, mode);
2777
2778         if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) {
2779                 dce_v6_0_afmt_enable(encoder, true);
2780                 dce_v6_0_afmt_setmode(encoder, adjusted_mode);
2781         }
2782 }
2783
2784 static void dce_v6_0_encoder_prepare(struct drm_encoder *encoder)
2785 {
2786
2787         struct amdgpu_device *adev = encoder->dev->dev_private;
2788         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2789         struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
2790
2791         if ((amdgpu_encoder->active_device &
2792              (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
2793             (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) !=
2794              ENCODER_OBJECT_ID_NONE)) {
2795                 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2796                 if (dig) {
2797                         dig->dig_encoder = dce_v6_0_pick_dig_encoder(encoder);
2798                         if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT)
2799                                 dig->afmt = adev->mode_info.afmt[dig->dig_encoder];
2800                 }
2801         }
2802
2803         amdgpu_atombios_scratch_regs_lock(adev, true);
2804
2805         if (connector) {
2806                 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
2807
2808                 /* select the clock/data port if it uses a router */
2809                 if (amdgpu_connector->router.cd_valid)
2810                         amdgpu_i2c_router_select_cd_port(amdgpu_connector);
2811
2812                 /* turn eDP panel on for mode set */
2813                 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
2814                         amdgpu_atombios_encoder_set_edp_panel_power(connector,
2815                                                              ATOM_TRANSMITTER_ACTION_POWER_ON);
2816         }
2817
2818         /* this is needed for the pll/ss setup to work correctly in some cases */
2819         amdgpu_atombios_encoder_set_crtc_source(encoder);
2820         /* set up the FMT blocks */
2821         dce_v6_0_program_fmt(encoder);
2822 }
2823
2824 static void dce_v6_0_encoder_commit(struct drm_encoder *encoder)
2825 {
2826
2827         struct drm_device *dev = encoder->dev;
2828         struct amdgpu_device *adev = dev->dev_private;
2829
2830         /* need to call this here as we need the crtc set up */
2831         amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
2832         amdgpu_atombios_scratch_regs_lock(adev, false);
2833 }
2834
2835 static void dce_v6_0_encoder_disable(struct drm_encoder *encoder)
2836 {
2837
2838         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2839         struct amdgpu_encoder_atom_dig *dig;
2840
2841         amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
2842
2843         if (amdgpu_atombios_encoder_is_digital(encoder)) {
2844                 if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI)
2845                         dce_v6_0_afmt_enable(encoder, false);
2846                 dig = amdgpu_encoder->enc_priv;
2847                 dig->dig_encoder = -1;
2848         }
2849         amdgpu_encoder->active_device = 0;
2850 }
2851
2852 /* these are handled by the primary encoders */
2853 static void dce_v6_0_ext_prepare(struct drm_encoder *encoder)
2854 {
2855
2856 }
2857
2858 static void dce_v6_0_ext_commit(struct drm_encoder *encoder)
2859 {
2860
2861 }
2862
2863 static void
2864 dce_v6_0_ext_mode_set(struct drm_encoder *encoder,
2865                       struct drm_display_mode *mode,
2866                       struct drm_display_mode *adjusted_mode)
2867 {
2868
2869 }
2870
2871 static void dce_v6_0_ext_disable(struct drm_encoder *encoder)
2872 {
2873
2874 }
2875
2876 static void
2877 dce_v6_0_ext_dpms(struct drm_encoder *encoder, int mode)
2878 {
2879
2880 }
2881
2882 static bool dce_v6_0_ext_mode_fixup(struct drm_encoder *encoder,
2883                                     const struct drm_display_mode *mode,
2884                                     struct drm_display_mode *adjusted_mode)
2885 {
2886         return true;
2887 }
2888
2889 static const struct drm_encoder_helper_funcs dce_v6_0_ext_helper_funcs = {
2890         .dpms = dce_v6_0_ext_dpms,
2891         .mode_fixup = dce_v6_0_ext_mode_fixup,
2892         .prepare = dce_v6_0_ext_prepare,
2893         .mode_set = dce_v6_0_ext_mode_set,
2894         .commit = dce_v6_0_ext_commit,
2895         .disable = dce_v6_0_ext_disable,
2896         /* no detect for TMDS/LVDS yet */
2897 };
2898
2899 static const struct drm_encoder_helper_funcs dce_v6_0_dig_helper_funcs = {
2900         .dpms = amdgpu_atombios_encoder_dpms,
2901         .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
2902         .prepare = dce_v6_0_encoder_prepare,
2903         .mode_set = dce_v6_0_encoder_mode_set,
2904         .commit = dce_v6_0_encoder_commit,
2905         .disable = dce_v6_0_encoder_disable,
2906         .detect = amdgpu_atombios_encoder_dig_detect,
2907 };
2908
2909 static const struct drm_encoder_helper_funcs dce_v6_0_dac_helper_funcs = {
2910         .dpms = amdgpu_atombios_encoder_dpms,
2911         .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
2912         .prepare = dce_v6_0_encoder_prepare,
2913         .mode_set = dce_v6_0_encoder_mode_set,
2914         .commit = dce_v6_0_encoder_commit,
2915         .detect = amdgpu_atombios_encoder_dac_detect,
2916 };
2917
2918 static void dce_v6_0_encoder_destroy(struct drm_encoder *encoder)
2919 {
2920         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2921         if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
2922                 amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder);
2923         kfree(amdgpu_encoder->enc_priv);
2924         drm_encoder_cleanup(encoder);
2925         kfree(amdgpu_encoder);
2926 }
2927
2928 static const struct drm_encoder_funcs dce_v6_0_encoder_funcs = {
2929         .destroy = dce_v6_0_encoder_destroy,
2930 };
2931
2932 static void dce_v6_0_encoder_add(struct amdgpu_device *adev,
2933                                  uint32_t encoder_enum,
2934                                  uint32_t supported_device,
2935                                  u16 caps)
2936 {
2937         struct drm_device *dev = adev->ddev;
2938         struct drm_encoder *encoder;
2939         struct amdgpu_encoder *amdgpu_encoder;
2940
2941         /* see if we already added it */
2942         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
2943                 amdgpu_encoder = to_amdgpu_encoder(encoder);
2944                 if (amdgpu_encoder->encoder_enum == encoder_enum) {
2945                         amdgpu_encoder->devices |= supported_device;
2946                         return;
2947                 }
2948
2949         }
2950
2951         /* add a new one */
2952         amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL);
2953         if (!amdgpu_encoder)
2954                 return;
2955
2956         encoder = &amdgpu_encoder->base;
2957         switch (adev->mode_info.num_crtc) {
2958         case 1:
2959                 encoder->possible_crtcs = 0x1;
2960                 break;
2961         case 2:
2962         default:
2963                 encoder->possible_crtcs = 0x3;
2964                 break;
2965         case 4:
2966                 encoder->possible_crtcs = 0xf;
2967                 break;
2968         case 6:
2969                 encoder->possible_crtcs = 0x3f;
2970                 break;
2971         }
2972
2973         amdgpu_encoder->enc_priv = NULL;
2974         amdgpu_encoder->encoder_enum = encoder_enum;
2975         amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
2976         amdgpu_encoder->devices = supported_device;
2977         amdgpu_encoder->rmx_type = RMX_OFF;
2978         amdgpu_encoder->underscan_type = UNDERSCAN_OFF;
2979         amdgpu_encoder->is_ext_encoder = false;
2980         amdgpu_encoder->caps = caps;
2981
2982         switch (amdgpu_encoder->encoder_id) {
2983         case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
2984         case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
2985                 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
2986                                  DRM_MODE_ENCODER_DAC, NULL);
2987                 drm_encoder_helper_add(encoder, &dce_v6_0_dac_helper_funcs);
2988                 break;
2989         case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
2990         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2991         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2992         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2993         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
2994                 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
2995                         amdgpu_encoder->rmx_type = RMX_FULL;
2996                         drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
2997                                          DRM_MODE_ENCODER_LVDS, NULL);
2998                         amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder);
2999                 } else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3000                         drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3001                                          DRM_MODE_ENCODER_DAC, NULL);
3002                         amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3003                 } else {
3004                         drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3005                                          DRM_MODE_ENCODER_TMDS, NULL);
3006                         amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3007                 }
3008                 drm_encoder_helper_add(encoder, &dce_v6_0_dig_helper_funcs);
3009                 break;
3010         case ENCODER_OBJECT_ID_SI170B:
3011         case ENCODER_OBJECT_ID_CH7303:
3012         case ENCODER_OBJECT_ID_EXTERNAL_SDVOA:
3013         case ENCODER_OBJECT_ID_EXTERNAL_SDVOB:
3014         case ENCODER_OBJECT_ID_TITFP513:
3015         case ENCODER_OBJECT_ID_VT1623:
3016         case ENCODER_OBJECT_ID_HDMI_SI1930:
3017         case ENCODER_OBJECT_ID_TRAVIS:
3018         case ENCODER_OBJECT_ID_NUTMEG:
3019                 /* these are handled by the primary encoders */
3020                 amdgpu_encoder->is_ext_encoder = true;
3021                 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3022                         drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3023                                          DRM_MODE_ENCODER_LVDS, NULL);
3024                 else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT))
3025                         drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3026                                          DRM_MODE_ENCODER_DAC, NULL);
3027                 else
3028                         drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3029                                          DRM_MODE_ENCODER_TMDS, NULL);
3030                 drm_encoder_helper_add(encoder, &dce_v6_0_ext_helper_funcs);
3031                 break;
3032         }
3033 }
3034
3035 static const struct amdgpu_display_funcs dce_v6_0_display_funcs = {
3036         .set_vga_render_state = &dce_v6_0_set_vga_render_state,
3037         .bandwidth_update = &dce_v6_0_bandwidth_update,
3038         .vblank_get_counter = &dce_v6_0_vblank_get_counter,
3039         .vblank_wait = &dce_v6_0_vblank_wait,
3040         .backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level,
3041         .backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level,
3042         .hpd_sense = &dce_v6_0_hpd_sense,
3043         .hpd_set_polarity = &dce_v6_0_hpd_set_polarity,
3044         .hpd_get_gpio_reg = &dce_v6_0_hpd_get_gpio_reg,
3045         .page_flip = &dce_v6_0_page_flip,
3046         .page_flip_get_scanoutpos = &dce_v6_0_crtc_get_scanoutpos,
3047         .add_encoder = &dce_v6_0_encoder_add,
3048         .add_connector = &amdgpu_connector_add,
3049         .stop_mc_access = &dce_v6_0_stop_mc_access,
3050         .resume_mc_access = &dce_v6_0_resume_mc_access,
3051 };
3052
3053 static void dce_v6_0_set_display_funcs(struct amdgpu_device *adev)
3054 {
3055         if (adev->mode_info.funcs == NULL)
3056                 adev->mode_info.funcs = &dce_v6_0_display_funcs;
3057 }
3058
3059 static const struct amdgpu_irq_src_funcs dce_v6_0_crtc_irq_funcs = {
3060         .set = dce_v6_0_set_crtc_interrupt_state,
3061         .process = dce_v6_0_crtc_irq,
3062 };
3063
3064 static const struct amdgpu_irq_src_funcs dce_v6_0_pageflip_irq_funcs = {
3065         .set = dce_v6_0_set_pageflip_interrupt_state,
3066         .process = dce_v6_0_pageflip_irq,
3067 };
3068
3069 static const struct amdgpu_irq_src_funcs dce_v6_0_hpd_irq_funcs = {
3070         .set = dce_v6_0_set_hpd_interrupt_state,
3071         .process = dce_v6_0_hpd_irq,
3072 };
3073
3074 static void dce_v6_0_set_irq_funcs(struct amdgpu_device *adev)
3075 {
3076         adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_LAST;
3077         adev->crtc_irq.funcs = &dce_v6_0_crtc_irq_funcs;
3078
3079         adev->pageflip_irq.num_types = AMDGPU_PAGEFLIP_IRQ_LAST;
3080         adev->pageflip_irq.funcs = &dce_v6_0_pageflip_irq_funcs;
3081
3082         adev->hpd_irq.num_types = AMDGPU_HPD_LAST;
3083         adev->hpd_irq.funcs = &dce_v6_0_hpd_irq_funcs;
3084 }
3085
3086 const struct amdgpu_ip_block_version dce_v6_0_ip_block =
3087 {
3088         .type = AMD_IP_BLOCK_TYPE_DCE,
3089         .major = 6,
3090         .minor = 0,
3091         .rev = 0,
3092         .funcs = &dce_v6_0_ip_funcs,
3093 };
3094
3095 const struct amdgpu_ip_block_version dce_v6_4_ip_block =
3096 {
3097         .type = AMD_IP_BLOCK_TYPE_DCE,
3098         .major = 6,
3099         .minor = 4,
3100         .rev = 0,
3101         .funcs = &dce_v6_0_ip_funcs,
3102 };