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authorChunming Zhou <david1.zhou@amd.com>2018-03-16 12:29:38 +0800
committerAlex Deucher <alexander.deucher@amd.com>2018-03-22 14:42:33 -0500
commitcc15dfaa85e8dfc763f22caca54fa097e377ea27 (patch)
treeae2a983d60876449e2f9f9e75a57869b5ce5ea9a /drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
parentb6356df3eb9ad9ae12efb4ec37d5615065e51d8b (diff)
downloadop-kernel-dev-cc15dfaa85e8dfc763f22caca54fa097e377ea27.zip
op-kernel-dev-cc15dfaa85e8dfc763f22caca54fa097e377ea27.tar.gz
drm/amdgpu: Don't change preferred domian when fallback GTT v5
v2: add sanity checking v3: make code open v4: also handle visible to invisible fallback v5: Since two fallback cases, re-use goto retry Signed-off-by: Chunming Zhou <david1.zhou@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_object.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_object.c18
1 files changed, 15 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index 6d08cde..fac4b60 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -356,6 +356,7 @@ static int amdgpu_bo_do_create(struct amdgpu_device *adev, unsigned long size,
struct amdgpu_bo *bo;
unsigned long page_align;
size_t acc_size;
+ u32 domains;
int r;
page_align = roundup(byte_align, PAGE_SIZE) >> PAGE_SHIFT;
@@ -417,12 +418,23 @@ static int amdgpu_bo_do_create(struct amdgpu_device *adev, unsigned long size,
#endif
bo->tbo.bdev = &adev->mman.bdev;
- amdgpu_ttm_placement_from_domain(bo, domain);
-
+ domains = bo->preferred_domains;
+retry:
+ amdgpu_ttm_placement_from_domain(bo, domains);
r = ttm_bo_init_reserved(&adev->mman.bdev, &bo->tbo, size, type,
&bo->placement, page_align, &ctx, acc_size,
NULL, resv, &amdgpu_ttm_bo_destroy);
- if (unlikely(r != 0))
+
+ if (unlikely(r && r != -ERESTARTSYS)) {
+ if (bo->flags & AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED) {
+ bo->flags &= ~AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED;
+ goto retry;
+ } else if (domains != bo->preferred_domains) {
+ domains = bo->allowed_domains;
+ goto retry;
+ }
+ }
+ if (unlikely(r))
return r;
if (adev->gmc.visible_vram_size < adev->gmc.real_vram_size &&
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