Merge branch 'ras-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...

[karo-tx-linux.git] / drivers / gpu / drm / nouveau / nvkm / subdev / bios / shadow.c

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c
index 792f017525f689bb1d38b86c0bf2e746f9495c8d..b2557e87afdd6d0e95910b3b4b91e37ce9a3e269 100644 (file)
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c
@@ -45,7 +45,7 @@ shadow_fetch(struct nvkm_bios *bios, struct shadow *mthd, u32 upto)
                u32 read = mthd->func->read(data, start, limit - start, bios);
                bios->size = start + read;
        }
-       return bios->size >= limit;
+       return bios->size >= upto;
 }
 
 static int
@@ -55,14 +55,22 @@ shadow_image(struct nvkm_bios *bios, int idx, u32 offset, struct shadow *mthd)
        struct nvbios_image image;
        int score = 1;
 
-       if (!shadow_fetch(bios, mthd, offset + 0x1000)) {
-               nvkm_debug(subdev, "%08x: header fetch failed\n", offset);
-               return 0;
-       }
+       if (mthd->func->no_pcir) {
+               image.base = 0;
+               image.type = 0;
+               image.size = mthd->func->size(mthd->data);
+               image.last = 1;
+       } else {
+               if (!shadow_fetch(bios, mthd, offset + 0x1000)) {
+                       nvkm_debug(subdev, "%08x: header fetch failed\n",
+                                  offset);
+                       return 0;
+               }
 
-       if (!nvbios_image(bios, idx, &image)) {
-               nvkm_debug(subdev, "image %d invalid\n", idx);
-               return 0;
+               if (!nvbios_image(bios, idx, &image)) {
+                       nvkm_debug(subdev, "image %d invalid\n", idx);
+                       return 0;
+               }
        }
        nvkm_debug(subdev, "%08x: type %02x, %d bytes\n",
                   image.base, image.type, image.size);
@@ -74,7 +82,8 @@ shadow_image(struct nvkm_bios *bios, int idx, u32 offset, struct shadow *mthd)
 
        switch (image.type) {
        case 0x00:
-               if (nvbios_checksum(&bios->data[image.base], image.size)) {
+               if (!mthd->func->ignore_checksum &&
+                   nvbios_checksum(&bios->data[image.base], image.size)) {
                        nvkm_debug(subdev, "%08x: checksum failed\n",
                                   image.base);
                        if (mthd->func->rw)