int i, r = 0;
for (i = 0; i < adev->num_ip_blocks; i++) {
+ if (!adev->ip_block_status[i].valid)
+ continue;
if (adev->ip_blocks[i].type == block_type) {
r = adev->ip_blocks[i].funcs->set_clockgating_state((void *)adev,
state);
int i, r = 0;
for (i = 0; i < adev->num_ip_blocks; i++) {
+ if (!adev->ip_block_status[i].valid)
+ continue;
if (adev->ip_blocks[i].type == block_type) {
r = adev->ip_blocks[i].funcs->set_powergating_state((void *)adev,
state);
int i, r;
for (i = 0; i < adev->num_ip_blocks; i++) {
+ if (!adev->ip_block_status[i].valid)
+ continue;
if (adev->ip_blocks[i].type == block_type) {
r = adev->ip_blocks[i].funcs->wait_for_idle((void *)adev);
if (r)
int i;
for (i = 0; i < adev->num_ip_blocks; i++) {
+ if (!adev->ip_block_status[i].valid)
+ continue;
if (adev->ip_blocks[i].type == block_type)
return adev->ip_blocks[i].funcs->is_idle((void *)adev);
}
*/
int amdgpu_gpu_reset(struct amdgpu_device *adev)
{
- unsigned ring_sizes[AMDGPU_MAX_RINGS];
- uint32_t *ring_data[AMDGPU_MAX_RINGS];
-
- bool saved = false;
-
int i, r;
int resched;
atomic_inc(&adev->gpu_reset_counter);
- /* evict vram memory */
- amdgpu_bo_evict_vram(adev);
+ /* block TTM */
+ resched = ttm_bo_lock_delayed_workqueue(&adev->mman.bdev);
/* block scheduler */
for (i = 0; i < AMDGPU_MAX_RINGS; ++i) {
if (!ring)
continue;
kthread_park(ring->sched.thread);
+ amd_sched_hw_job_reset(&ring->sched);
}
+ /* after all hw jobs are reset, hw fence is meaningless, so force_completion */
+ amdgpu_fence_driver_force_completion(adev);
- /* block TTM */
- resched = ttm_bo_lock_delayed_workqueue(&adev->mman.bdev);
-
+ /* save scratch */
+ amdgpu_atombios_scratch_regs_save(adev);
r = amdgpu_suspend(adev);
- for (i = 0; i < AMDGPU_MAX_RINGS; ++i) {
- struct amdgpu_ring *ring = adev->rings[i];
- if (!ring)
- continue;
-
- ring_sizes[i] = amdgpu_ring_backup(ring, &ring_data[i]);
- if (ring_sizes[i]) {
- saved = true;
- dev_info(adev->dev, "Saved %d dwords of commands "
- "on ring %d.\n", ring_sizes[i], i);
- }
+retry:
+ /* Disable fb access */
+ if (adev->mode_info.num_crtc) {
+ struct amdgpu_mode_mc_save save;
+ amdgpu_display_stop_mc_access(adev, &save);
+ amdgpu_wait_for_idle(adev, AMD_IP_BLOCK_TYPE_GMC);
}
-retry:
r = amdgpu_asic_reset(adev);
/* post card */
amdgpu_atom_asic_init(adev->mode_info.atom_context);
dev_info(adev->dev, "GPU reset succeeded, trying to resume\n");
r = amdgpu_resume(adev);
}
-
+ /* restore scratch */
+ amdgpu_atombios_scratch_regs_restore(adev);
if (!r) {
+ r = amdgpu_ib_ring_tests(adev);
+ if (r) {
+ dev_err(adev->dev, "ib ring test failed (%d).\n", r);
+ r = amdgpu_suspend(adev);
+ goto retry;
+ }
+
for (i = 0; i < AMDGPU_MAX_RINGS; ++i) {
struct amdgpu_ring *ring = adev->rings[i];
if (!ring)
continue;
+ amd_sched_job_recovery(&ring->sched);
kthread_unpark(ring->sched.thread);
- amdgpu_ring_restore(ring, ring_sizes[i], ring_data[i]);
- ring_sizes[i] = 0;
- ring_data[i] = NULL;
- }
-
- r = amdgpu_ib_ring_tests(adev);
- if (r) {
- dev_err(adev->dev, "ib ring test failed (%d).\n", r);
- if (saved) {
- saved = false;
- r = amdgpu_suspend(adev);
- goto retry;
- }
}
} else {
- amdgpu_fence_driver_force_completion(adev);
+ dev_err(adev->dev, "asic resume failed (%d).\n", r);
for (i = 0; i < AMDGPU_MAX_RINGS; ++i) {
if (adev->rings[i]) {
kthread_unpark(adev->rings[i]->sched.thread);
- kfree(ring_data[i]);
}
}
}
struct amdgpu_device *adev = f->f_inode->i_private;
ssize_t result = 0;
int r;
+ bool use_bank;
+ unsigned instance_bank, sh_bank, se_bank;
if (size & 0x3 || *pos & 0x3)
return -EINVAL;
+ if (*pos & (1ULL << 62)) {
+ se_bank = (*pos >> 24) & 0x3FF;
+ sh_bank = (*pos >> 34) & 0x3FF;
+ instance_bank = (*pos >> 44) & 0x3FF;
+ use_bank = 1;
+ *pos &= 0xFFFFFF;
+ } else {
+ use_bank = 0;
+ }
+
+ if (use_bank) {
+ if (sh_bank >= adev->gfx.config.max_sh_per_se ||
+ se_bank >= adev->gfx.config.max_shader_engines)
+ return -EINVAL;
+ mutex_lock(&adev->grbm_idx_mutex);
+ amdgpu_gfx_select_se_sh(adev, se_bank,
+ sh_bank, instance_bank);
+ }
+
while (size) {
uint32_t value;
if (*pos > adev->rmmio_size)
- return result;
+ goto end;
value = RREG32(*pos >> 2);
r = put_user(value, (uint32_t *)buf);
- if (r)
- return r;
+ if (r) {
+ result = r;
+ goto end;
+ }
result += 4;
buf += 4;
size -= 4;
}
+end:
+ if (use_bank) {
+ amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff);
+ mutex_unlock(&adev->grbm_idx_mutex);
+ }
+
return result;
}
return result;
}
+static ssize_t amdgpu_debugfs_gca_config_read(struct file *f, char __user *buf,
+ size_t size, loff_t *pos)
+{
+ struct amdgpu_device *adev = f->f_inode->i_private;
+ ssize_t result = 0;
+ int r;
+ uint32_t *config, no_regs = 0;
+
+ if (size & 0x3 || *pos & 0x3)
+ return -EINVAL;
+
+ config = kmalloc(256 * sizeof(*config), GFP_KERNEL);
+ if (!config)
+ return -ENOMEM;
+
+ /* version, increment each time something is added */
+ config[no_regs++] = 0;
+ config[no_regs++] = adev->gfx.config.max_shader_engines;
+ config[no_regs++] = adev->gfx.config.max_tile_pipes;
+ config[no_regs++] = adev->gfx.config.max_cu_per_sh;
+ config[no_regs++] = adev->gfx.config.max_sh_per_se;
+ config[no_regs++] = adev->gfx.config.max_backends_per_se;
+ config[no_regs++] = adev->gfx.config.max_texture_channel_caches;
+ config[no_regs++] = adev->gfx.config.max_gprs;
+ config[no_regs++] = adev->gfx.config.max_gs_threads;
+ config[no_regs++] = adev->gfx.config.max_hw_contexts;
+ config[no_regs++] = adev->gfx.config.sc_prim_fifo_size_frontend;
+ config[no_regs++] = adev->gfx.config.sc_prim_fifo_size_backend;
+ config[no_regs++] = adev->gfx.config.sc_hiz_tile_fifo_size;
+ config[no_regs++] = adev->gfx.config.sc_earlyz_tile_fifo_size;
+ config[no_regs++] = adev->gfx.config.num_tile_pipes;
+ config[no_regs++] = adev->gfx.config.backend_enable_mask;
+ config[no_regs++] = adev->gfx.config.mem_max_burst_length_bytes;
+ config[no_regs++] = adev->gfx.config.mem_row_size_in_kb;
+ config[no_regs++] = adev->gfx.config.shader_engine_tile_size;
+ config[no_regs++] = adev->gfx.config.num_gpus;
+ config[no_regs++] = adev->gfx.config.multi_gpu_tile_size;
+ config[no_regs++] = adev->gfx.config.mc_arb_ramcfg;
+ config[no_regs++] = adev->gfx.config.gb_addr_config;
+ config[no_regs++] = adev->gfx.config.num_rbs;
+
+ while (size && (*pos < no_regs * 4)) {
+ uint32_t value;
+
+ value = config[*pos >> 2];
+ r = put_user(value, (uint32_t *)buf);
+ if (r) {
+ kfree(config);
+ return r;
+ }
+
+ result += 4;
+ buf += 4;
+ *pos += 4;
+ size -= 4;
+ }
+
+ kfree(config);
+ return result;
+}
+
+
static const struct file_operations amdgpu_debugfs_regs_fops = {
.owner = THIS_MODULE,
.read = amdgpu_debugfs_regs_read,
.llseek = default_llseek
};
+static const struct file_operations amdgpu_debugfs_gca_config_fops = {
+ .owner = THIS_MODULE,
+ .read = amdgpu_debugfs_gca_config_read,
+ .llseek = default_llseek
+};
+
static const struct file_operations *debugfs_regs[] = {
&amdgpu_debugfs_regs_fops,
&amdgpu_debugfs_regs_didt_fops,
&amdgpu_debugfs_regs_pcie_fops,
&amdgpu_debugfs_regs_smc_fops,
+ &amdgpu_debugfs_gca_config_fops,
};
static const char *debugfs_regs_names[] = {
"amdgpu_regs_didt",
"amdgpu_regs_pcie",
"amdgpu_regs_smc",
+ "amdgpu_gca_config",
};
static int amdgpu_debugfs_regs_init(struct amdgpu_device *adev)
projects / karo-tx-linux.git / blobdiff