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authorMaxime Ripard <maxime.ripard@bootlin.com>2019-02-11 10:35:35 +0100
committerMaxime Ripard <maxime.ripard@bootlin.com>2019-02-11 10:35:35 +0100
commitd588100baa28dae6a5c32d02bfe744d0792ed2ad (patch)
tree3be3984cea35a07b4259f8ebe55ce0e52e416d1c /drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
parent7bd0a3271e239d34bae5fa51e4f44ed9ee861a59 (diff)
parent16065fcdd19ddb9e093192914ac863884f308766 (diff)
Merge drm/drm-next into drm-misc-next
We need to backmerge drm-next to fix the komeda build failure. Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_object.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_object.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index 728e15e5d68a..fd9c4beeaaa4 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -426,12 +426,20 @@ static int amdgpu_bo_do_create(struct amdgpu_device *adev,
size_t acc_size;
int r;
- page_align = roundup(bp->byte_align, PAGE_SIZE) >> PAGE_SHIFT;
- if (bp->domain & (AMDGPU_GEM_DOMAIN_GDS | AMDGPU_GEM_DOMAIN_GWS |
- AMDGPU_GEM_DOMAIN_OA))
+ /* Note that GDS/GWS/OA allocates 1 page per byte/resource. */
+ if (bp->domain & (AMDGPU_GEM_DOMAIN_GWS | AMDGPU_GEM_DOMAIN_OA)) {
+ /* GWS and OA don't need any alignment. */
+ page_align = bp->byte_align;
size <<= PAGE_SHIFT;
- else
+ } else if (bp->domain & AMDGPU_GEM_DOMAIN_GDS) {
+ /* Both size and alignment must be a multiple of 4. */
+ page_align = ALIGN(bp->byte_align, 4);
+ size = ALIGN(size, 4) << PAGE_SHIFT;
+ } else {
+ /* Memory should be aligned at least to a page size. */
+ page_align = ALIGN(bp->byte_align, PAGE_SIZE) >> PAGE_SHIFT;
size = ALIGN(size, PAGE_SIZE);
+ }
if (!amdgpu_bo_validate_size(adev, size, bp->domain))
return -ENOMEM;