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authorLinus Torvalds <torvalds@linux-foundation.org>2013-02-12 08:17:35 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2013-02-12 08:17:35 -0800
commit211b0cdc7dc574e5e756bdf1cc2f4a16b7f6e07e (patch)
treedf052578f1e93f42dd7ccd3b7118dc36f5550948
parent836dc9e3fbbab0c30aa6e664417225f5c1fb1c39 (diff)
parentde0babd60d8d43b58fd06a7803151d32cb589af0 (diff)
Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie: "Three nouveau fixes, all user visible issues, and one radeon regression fix" * 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: drm/radeon: enforce use of radeon_get_ib_value when reading user cmd drm/nouveau: add lockdep annotations drm/nv50/fb: Fix nullptr-deref on IGPs drm/nouveau: use different register to wait for secret scrubber
-rw-r--r--drivers/gpu/drm/nouveau/core/core/falcon.c7
-rw-r--r--drivers/gpu/drm/nouveau/core/core/subdev.c2
-rw-r--r--drivers/gpu/drm/nouveau/core/include/core/object.h7
-rw-r--r--drivers/gpu/drm/nouveau/core/subdev/fb/base.c4
-rw-r--r--drivers/gpu/drm/nouveau/core/subdev/fb/nv50.c5
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_drm.c3
-rw-r--r--drivers/gpu/drm/radeon/evergreen_cs.c86
-rw-r--r--drivers/gpu/drm/radeon/r600_cs.c38
8 files changed, 81 insertions, 71 deletions
diff --git a/drivers/gpu/drm/nouveau/core/core/falcon.c b/drivers/gpu/drm/nouveau/core/core/falcon.c
index 6b0843c33877..e05c15777588 100644
--- a/drivers/gpu/drm/nouveau/core/core/falcon.c
+++ b/drivers/gpu/drm/nouveau/core/core/falcon.c
@@ -73,8 +73,11 @@ _nouveau_falcon_init(struct nouveau_object *object)
nv_debug(falcon, "data limit: %d\n", falcon->data.limit);
/* wait for 'uc halted' to be signalled before continuing */
- if (falcon->secret) {
- nv_wait(falcon, 0x008, 0x00000010, 0x00000010);
+ if (falcon->secret && falcon->version < 4) {
+ if (!falcon->version)
+ nv_wait(falcon, 0x008, 0x00000010, 0x00000010);
+ else
+ nv_wait(falcon, 0x180, 0x80000000, 0);
nv_wo32(falcon, 0x004, 0x00000010);
}
diff --git a/drivers/gpu/drm/nouveau/core/core/subdev.c b/drivers/gpu/drm/nouveau/core/core/subdev.c
index f74c30aa33a0..48f06378d3f9 100644
--- a/drivers/gpu/drm/nouveau/core/core/subdev.c
+++ b/drivers/gpu/drm/nouveau/core/core/subdev.c
@@ -99,7 +99,7 @@ nouveau_subdev_create_(struct nouveau_object *parent,
if (ret)
return ret;
- mutex_init(&subdev->mutex);
+ __mutex_init(&subdev->mutex, subname, &oclass->lock_class_key);
subdev->name = subname;
if (parent) {
diff --git a/drivers/gpu/drm/nouveau/core/include/core/object.h b/drivers/gpu/drm/nouveau/core/include/core/object.h
index 5982935ee23a..106bb19fdd9a 100644
--- a/drivers/gpu/drm/nouveau/core/include/core/object.h
+++ b/drivers/gpu/drm/nouveau/core/include/core/object.h
@@ -50,10 +50,13 @@ int nouveau_object_fini(struct nouveau_object *, bool suspend);
extern struct nouveau_ofuncs nouveau_object_ofuncs;
+/* Don't allocate dynamically, because lockdep needs lock_class_keys to be in
+ * ".data". */
struct nouveau_oclass {
u32 handle;
- struct nouveau_ofuncs *ofuncs;
- struct nouveau_omthds *omthds;
+ struct nouveau_ofuncs * const ofuncs;
+ struct nouveau_omthds * const omthds;
+ struct lock_class_key lock_class_key;
};
#define nv_oclass(o) nv_object(o)->oclass
diff --git a/drivers/gpu/drm/nouveau/core/subdev/fb/base.c b/drivers/gpu/drm/nouveau/core/subdev/fb/base.c
index d6d16007ec1a..d62045f454b2 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/fb/base.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/fb/base.c
@@ -86,8 +86,8 @@ nouveau_fb_preinit(struct nouveau_fb *pfb)
return ret;
}
- if (!nouveau_mm_initialised(&pfb->tags) && tags) {
- ret = nouveau_mm_init(&pfb->tags, 0, ++tags, 1);
+ if (!nouveau_mm_initialised(&pfb->tags)) {
+ ret = nouveau_mm_init(&pfb->tags, 0, tags ? ++tags : 0, 1);
if (ret)
return ret;
}
diff --git a/drivers/gpu/drm/nouveau/core/subdev/fb/nv50.c b/drivers/gpu/drm/nouveau/core/subdev/fb/nv50.c
index 487cb8c6c204..eac236ed19b2 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/fb/nv50.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/fb/nv50.c
@@ -99,7 +99,7 @@ nv50_fb_vram_init(struct nouveau_fb *pfb)
struct nouveau_bios *bios = nouveau_bios(device);
const u32 rsvd_head = ( 256 * 1024) >> 12; /* vga memory */
const u32 rsvd_tail = (1024 * 1024) >> 12; /* vbios etc */
- u32 size;
+ u32 size, tags = 0;
int ret;
pfb->ram.size = nv_rd32(pfb, 0x10020c);
@@ -140,10 +140,11 @@ nv50_fb_vram_init(struct nouveau_fb *pfb)
return ret;
pfb->ram.ranks = (nv_rd32(pfb, 0x100200) & 0x4) ? 2 : 1;
+ tags = nv_rd32(pfb, 0x100320);
break;
}
- return nv_rd32(pfb, 0x100320);
+ return tags;
}
static int
diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c
index 8b090f1eb51d..5e7aef23825a 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_drm.c
@@ -245,6 +245,8 @@ static int nouveau_drm_probe(struct pci_dev *pdev,
return 0;
}
+static struct lock_class_key drm_client_lock_class_key;
+
static int
nouveau_drm_load(struct drm_device *dev, unsigned long flags)
{
@@ -256,6 +258,7 @@ nouveau_drm_load(struct drm_device *dev, unsigned long flags)
ret = nouveau_cli_create(pdev, "DRM", sizeof(*drm), (void**)&drm);
if (ret)
return ret;
+ lockdep_set_class(&drm->client.mutex, &drm_client_lock_class_key);
dev->dev_private = drm;
drm->dev = dev;
diff --git a/drivers/gpu/drm/radeon/evergreen_cs.c b/drivers/gpu/drm/radeon/evergreen_cs.c
index 7a445666e71f..ee4cff534f10 100644
--- a/drivers/gpu/drm/radeon/evergreen_cs.c
+++ b/drivers/gpu/drm/radeon/evergreen_cs.c
@@ -2909,14 +2909,14 @@ int evergreen_dma_cs_parse(struct radeon_cs_parser *p)
return -EINVAL;
}
if (tiled) {
- dst_offset = ib[idx+1];
+ dst_offset = radeon_get_ib_value(p, idx+1);
dst_offset <<= 8;
ib[idx+1] += (u32)(dst_reloc->lobj.gpu_offset >> 8);
p->idx += count + 7;
} else {
- dst_offset = ib[idx+1];
- dst_offset |= ((u64)(ib[idx+2] & 0xff)) << 32;
+ dst_offset = radeon_get_ib_value(p, idx+1);
+ dst_offset |= ((u64)(radeon_get_ib_value(p, idx+2) & 0xff)) << 32;
ib[idx+1] += (u32)(dst_reloc->lobj.gpu_offset & 0xfffffffc);
ib[idx+2] += upper_32_bits(dst_reloc->lobj.gpu_offset) & 0xff;
@@ -2954,12 +2954,12 @@ int evergreen_dma_cs_parse(struct radeon_cs_parser *p)
DRM_ERROR("bad L2T, frame to fields DMA_PACKET_COPY\n");
return -EINVAL;
}
- dst_offset = ib[idx+1];
+ dst_offset = radeon_get_ib_value(p, idx+1);
dst_offset <<= 8;
- dst2_offset = ib[idx+2];
+ dst2_offset = radeon_get_ib_value(p, idx+2);
dst2_offset <<= 8;
- src_offset = ib[idx+8];
- src_offset |= ((u64)(ib[idx+9] & 0xff)) << 32;
+ src_offset = radeon_get_ib_value(p, idx+8);
+ src_offset |= ((u64)(radeon_get_ib_value(p, idx+9) & 0xff)) << 32;
if ((src_offset + (count * 4)) > radeon_bo_size(src_reloc->robj)) {
dev_warn(p->dev, "DMA L2T, frame to fields src buffer too small (%llu %lu)\n",
src_offset + (count * 4), radeon_bo_size(src_reloc->robj));
@@ -3014,12 +3014,12 @@ int evergreen_dma_cs_parse(struct radeon_cs_parser *p)
DRM_ERROR("bad L2T, broadcast DMA_PACKET_COPY\n");
return -EINVAL;
}
- dst_offset = ib[idx+1];
+ dst_offset = radeon_get_ib_value(p, idx+1);
dst_offset <<= 8;
- dst2_offset = ib[idx+2];
+ dst2_offset = radeon_get_ib_value(p, idx+2);
dst2_offset <<= 8;
- src_offset = ib[idx+8];
- src_offset |= ((u64)(ib[idx+9] & 0xff)) << 32;
+ src_offset = radeon_get_ib_value(p, idx+8);
+ src_offset |= ((u64)(radeon_get_ib_value(p, idx+9) & 0xff)) << 32;
if ((src_offset + (count * 4)) > radeon_bo_size(src_reloc->robj)) {
dev_warn(p->dev, "DMA L2T, broadcast src buffer too small (%llu %lu)\n",
src_offset + (count * 4), radeon_bo_size(src_reloc->robj));
@@ -3046,22 +3046,22 @@ int evergreen_dma_cs_parse(struct radeon_cs_parser *p)
/* detile bit */
if (idx_value & (1 << 31)) {
/* tiled src, linear dst */
- src_offset = ib[idx+1];
+ src_offset = radeon_get_ib_value(p, idx+1);
src_offset <<= 8;
ib[idx+1] += (u32)(src_reloc->lobj.gpu_offset >> 8);
- dst_offset = ib[idx+7];
- dst_offset |= ((u64)(ib[idx+8] & 0xff)) << 32;
+ dst_offset = radeon_get_ib_value(p, idx+7);
+ dst_offset |= ((u64)(radeon_get_ib_value(p, idx+8) & 0xff)) << 32;
ib[idx+7] += (u32)(dst_reloc->lobj.gpu_offset & 0xfffffffc);
ib[idx+8] += upper_32_bits(dst_reloc->lobj.gpu_offset) & 0xff;
} else {
/* linear src, tiled dst */
- src_offset = ib[idx+7];
- src_offset |= ((u64)(ib[idx+8] & 0xff)) << 32;
+ src_offset = radeon_get_ib_value(p, idx+7);
+ src_offset |= ((u64)(radeon_get_ib_value(p, idx+8) & 0xff)) << 32;
ib[idx+7] += (u32)(src_reloc->lobj.gpu_offset & 0xfffffffc);
ib[idx+8] += upper_32_bits(src_reloc->lobj.gpu_offset) & 0xff;
- dst_offset = ib[idx+1];
+ dst_offset = radeon_get_ib_value(p, idx+1);
dst_offset <<= 8;
ib[idx+1] += (u32)(dst_reloc->lobj.gpu_offset >> 8);
}
@@ -3098,12 +3098,12 @@ int evergreen_dma_cs_parse(struct radeon_cs_parser *p)
DRM_ERROR("bad L2T, broadcast DMA_PACKET_COPY\n");
return -EINVAL;
}
- dst_offset = ib[idx+1];
+ dst_offset = radeon_get_ib_value(p, idx+1);
dst_offset <<= 8;
- dst2_offset = ib[idx+2];
+ dst2_offset = radeon_get_ib_value(p, idx+2);
dst2_offset <<= 8;
- src_offset = ib[idx+8];
- src_offset |= ((u64)(ib[idx+9] & 0xff)) << 32;
+ src_offset = radeon_get_ib_value(p, idx+8);
+ src_offset |= ((u64)(radeon_get_ib_value(p, idx+9) & 0xff)) << 32;
if ((src_offset + (count * 4)) > radeon_bo_size(src_reloc->robj)) {
dev_warn(p->dev, "DMA L2T, broadcast src buffer too small (%llu %lu)\n",
src_offset + (count * 4), radeon_bo_size(src_reloc->robj));
@@ -3135,22 +3135,22 @@ int evergreen_dma_cs_parse(struct radeon_cs_parser *p)
/* detile bit */
if (idx_value & (1 << 31)) {
/* tiled src, linear dst */
- src_offset = ib[idx+1];
+ src_offset = radeon_get_ib_value(p, idx+1);
src_offset <<= 8;
ib[idx+1] += (u32)(src_reloc->lobj.gpu_offset >> 8);
- dst_offset = ib[idx+7];
- dst_offset |= ((u64)(ib[idx+8] & 0xff)) << 32;
+ dst_offset = radeon_get_ib_value(p, idx+7);
+ dst_offset |= ((u64)(radeon_get_ib_value(p, idx+8) & 0xff)) << 32;
ib[idx+7] += (u32)(dst_reloc->lobj.gpu_offset & 0xfffffffc);
ib[idx+8] += upper_32_bits(dst_reloc->lobj.gpu_offset) & 0xff;
} else {
/* linear src, tiled dst */
- src_offset = ib[idx+7];
- src_offset |= ((u64)(ib[idx+8] & 0xff)) << 32;
+ src_offset = radeon_get_ib_value(p, idx+7);
+ src_offset |= ((u64)(radeon_get_ib_value(p, idx+8) & 0xff)) << 32;
ib[idx+7] += (u32)(src_reloc->lobj.gpu_offset & 0xfffffffc);
ib[idx+8] += upper_32_bits(src_reloc->lobj.gpu_offset) & 0xff;
- dst_offset = ib[idx+1];
+ dst_offset = radeon_get_ib_value(p, idx+1);
dst_offset <<= 8;
ib[idx+1] += (u32)(dst_reloc->lobj.gpu_offset >> 8);
}
@@ -3176,10 +3176,10 @@ int evergreen_dma_cs_parse(struct radeon_cs_parser *p)
switch (misc) {
case 0:
/* L2L, byte */
- src_offset = ib[idx+2];
- src_offset |= ((u64)(ib[idx+4] & 0xff)) << 32;
- dst_offset = ib[idx+1];
- dst_offset |= ((u64)(ib[idx+3] & 0xff)) << 32;
+ src_offset = radeon_get_ib_value(p, idx+2);
+ src_offset |= ((u64)(radeon_get_ib_value(p, idx+4) & 0xff)) << 32;
+ dst_offset = radeon_get_ib_value(p, idx+1);
+ dst_offset |= ((u64)(radeon_get_ib_value(p, idx+3) & 0xff)) << 32;
if ((src_offset + count) > radeon_bo_size(src_reloc->robj)) {
dev_warn(p->dev, "DMA L2L, byte src buffer too small (%llu %lu)\n",
src_offset + count, radeon_bo_size(src_reloc->robj));
@@ -3216,12 +3216,12 @@ int evergreen_dma_cs_parse(struct radeon_cs_parser *p)
DRM_ERROR("bad L2L, dw, broadcast DMA_PACKET_COPY\n");
return -EINVAL;
}
- dst_offset = ib[idx+1];
- dst_offset |= ((u64)(ib[idx+4] & 0xff)) << 32;
- dst2_offset = ib[idx+2];
- dst2_offset |= ((u64)(ib[idx+5] & 0xff)) << 32;
- src_offset = ib[idx+3];
- src_offset |= ((u64)(ib[idx+6] & 0xff)) << 32;
+ dst_offset = radeon_get_ib_value(p, idx+1);
+ dst_offset |= ((u64)(radeon_get_ib_value(p, idx+4) & 0xff)) << 32;
+ dst2_offset = radeon_get_ib_value(p, idx+2);
+ dst2_offset |= ((u64)(radeon_get_ib_value(p, idx+5) & 0xff)) << 32;
+ src_offset = radeon_get_ib_value(p, idx+3);
+ src_offset |= ((u64)(radeon_get_ib_value(p, idx+6) & 0xff)) << 32;
if ((src_offset + (count * 4)) > radeon_bo_size(src_reloc->robj)) {
dev_warn(p->dev, "DMA L2L, dw, broadcast src buffer too small (%llu %lu)\n",
src_offset + (count * 4), radeon_bo_size(src_reloc->robj));
@@ -3251,10 +3251,10 @@ int evergreen_dma_cs_parse(struct radeon_cs_parser *p)
}
} else {
/* L2L, dw */
- src_offset = ib[idx+2];
- src_offset |= ((u64)(ib[idx+4] & 0xff)) << 32;
- dst_offset = ib[idx+1];
- dst_offset |= ((u64)(ib[idx+3] & 0xff)) << 32;
+ src_offset = radeon_get_ib_value(p, idx+2);
+ src_offset |= ((u64)(radeon_get_ib_value(p, idx+4) & 0xff)) << 32;
+ dst_offset = radeon_get_ib_value(p, idx+1);
+ dst_offset |= ((u64)(radeon_get_ib_value(p, idx+3) & 0xff)) << 32;
if ((src_offset + (count * 4)) > radeon_bo_size(src_reloc->robj)) {
dev_warn(p->dev, "DMA L2L, dw src buffer too small (%llu %lu)\n",
src_offset + (count * 4), radeon_bo_size(src_reloc->robj));
@@ -3279,8 +3279,8 @@ int evergreen_dma_cs_parse(struct radeon_cs_parser *p)
DRM_ERROR("bad DMA_PACKET_CONSTANT_FILL\n");
return -EINVAL;
}
- dst_offset = ib[idx+1];
- dst_offset |= ((u64)(ib[idx+3] & 0x00ff0000)) << 16;
+ dst_offset = radeon_get_ib_value(p, idx+1);
+ dst_offset |= ((u64)(radeon_get_ib_value(p, idx+3) & 0x00ff0000)) << 16;
if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) {
dev_warn(p->dev, "DMA constant fill buffer too small (%llu %lu)\n",
dst_offset, radeon_bo_size(dst_reloc->robj));
diff --git a/drivers/gpu/drm/radeon/r600_cs.c b/drivers/gpu/drm/radeon/r600_cs.c
index 69ec24ab8d63..9b2512bf1a46 100644
--- a/drivers/gpu/drm/radeon/r600_cs.c
+++ b/drivers/gpu/drm/radeon/r600_cs.c
@@ -2623,14 +2623,14 @@ int r600_dma_cs_parse(struct radeon_cs_parser *p)
return -EINVAL;
}
if (tiled) {
- dst_offset = ib[idx+1];
+ dst_offset = radeon_get_ib_value(p, idx+1);
dst_offset <<= 8;
ib[idx+1] += (u32)(dst_reloc->lobj.gpu_offset >> 8);
p->idx += count + 5;
} else {
- dst_offset = ib[idx+1];
- dst_offset |= ((u64)(ib[idx+2] & 0xff)) << 32;
+ dst_offset = radeon_get_ib_value(p, idx+1);
+ dst_offset |= ((u64)(radeon_get_ib_value(p, idx+2) & 0xff)) << 32;
ib[idx+1] += (u32)(dst_reloc->lobj.gpu_offset & 0xfffffffc);
ib[idx+2] += upper_32_bits(dst_reloc->lobj.gpu_offset) & 0xff;
@@ -2658,32 +2658,32 @@ int r600_dma_cs_parse(struct radeon_cs_parser *p)
/* detile bit */
if (idx_value & (1 << 31)) {
/* tiled src, linear dst */
- src_offset = ib[idx+1];
+ src_offset = radeon_get_ib_value(p, idx+1);
src_offset <<= 8;
ib[idx+1] += (u32)(src_reloc->lobj.gpu_offset >> 8);
- dst_offset = ib[idx+5];
- dst_offset |= ((u64)(ib[idx+6] & 0xff)) << 32;
+ dst_offset = radeon_get_ib_value(p, idx+5);
+ dst_offset |= ((u64)(radeon_get_ib_value(p, idx+6) & 0xff)) << 32;
ib[idx+5] += (u32)(dst_reloc->lobj.gpu_offset & 0xfffffffc);
ib[idx+6] += upper_32_bits(dst_reloc->lobj.gpu_offset) & 0xff;
} else {
/* linear src, tiled dst */
- src_offset = ib[idx+5];
- src_offset |= ((u64)(ib[idx+6] & 0xff)) << 32;
+ src_offset = radeon_get_ib_value(p, idx+5);
+ src_offset |= ((u64)(radeon_get_ib_value(p, idx+6) & 0xff)) << 32;
ib[idx+5] += (u32)(src_reloc->lobj.gpu_offset & 0xfffffffc);
ib[idx+6] += upper_32_bits(src_reloc->lobj.gpu_offset) & 0xff;
- dst_offset = ib[idx+1];
+ dst_offset = radeon_get_ib_value(p, idx+1);
dst_offset <<= 8;
ib[idx+1] += (u32)(dst_reloc->lobj.gpu_offset >> 8);
}
p->idx += 7;
} else {
if (p->family >= CHIP_RV770) {
- src_offset = ib[idx+2];
- src_offset |= ((u64)(ib[idx+4] & 0xff)) << 32;
- dst_offset = ib[idx+1];
- dst_offset |= ((u64)(ib[idx+3] & 0xff)) << 32;
+ src_offset = radeon_get_ib_value(p, idx+2);
+ src_offset |= ((u64)(radeon_get_ib_value(p, idx+4) & 0xff)) << 32;
+ dst_offset = radeon_get_ib_value(p, idx+1);
+ dst_offset |= ((u64)(radeon_get_ib_value(p, idx+3) & 0xff)) << 32;
ib[idx+1] += (u32)(dst_reloc->lobj.gpu_offset & 0xfffffffc);
ib[idx+2] += (u32)(src_reloc->lobj.gpu_offset & 0xfffffffc);
@@ -2691,10 +2691,10 @@ int r600_dma_cs_parse(struct radeon_cs_parser *p)
ib[idx+4] += upper_32_bits(src_reloc->lobj.gpu_offset) & 0xff;
p->idx += 5;
} else {
- src_offset = ib[idx+2];
- src_offset |= ((u64)(ib[idx+3] & 0xff)) << 32;
- dst_offset = ib[idx+1];
- dst_offset |= ((u64)(ib[idx+3] & 0xff0000)) << 16;
+ src_offset = radeon_get_ib_value(p, idx+2);
+ src_offset |= ((u64)(radeon_get_ib_value(p, idx+3) & 0xff)) << 32;
+ dst_offset = radeon_get_ib_value(p, idx+1);
+ dst_offset |= ((u64)(radeon_get_ib_value(p, idx+3) & 0xff0000)) << 16;
ib[idx+1] += (u32)(dst_reloc->lobj.gpu_offset & 0xfffffffc);
ib[idx+2] += (u32)(src_reloc->lobj.gpu_offset & 0xfffffffc);
@@ -2724,8 +2724,8 @@ int r600_dma_cs_parse(struct radeon_cs_parser *p)
DRM_ERROR("bad DMA_PACKET_WRITE\n");
return -EINVAL;
}
- dst_offset = ib[idx+1];
- dst_offset |= ((u64)(ib[idx+3] & 0x00ff0000)) << 16;
+ dst_offset = radeon_get_ib_value(p, idx+1);
+ dst_offset |= ((u64)(radeon_get_ib_value(p, idx+3) & 0x00ff0000)) << 16;
if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) {
dev_warn(p->dev, "DMA constant fill buffer too small (%llu %lu)\n",
dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj));