diff options
| author | Yong Zhao <Yong.Zhao@amd.com> | 2017-07-20 18:49:09 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-08-15 14:45:58 -0400 |
| commit | 2046d46db9166bddc84778f0b3477f6d1e9068ea (patch) | |
| tree | 93269d90c5382f0988b3872ccff6b1b53ba9e9bf /drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | |
| parent | 078af1a3e9d7b47f3e37ea25640023cf2e8b4d51 (diff) | |
drm/amdgpu: Add a parameter to amdgpu_bo_create()
The parameter init_value contains the value to which we initialized
VRAM bo when AMDGPU_GEM_CREATE_VRAM_CLEARED flag is set.
Signed-off-by: Yong Zhao <Yong.Zhao@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.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index 494b79374828..16f31cbd9147 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -247,7 +247,7 @@ int amdgpu_bo_create_reserved(struct amdgpu_device *adev, r = amdgpu_bo_create(adev, size, align, true, domain, AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED | AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS, - NULL, NULL, bo_ptr); + NULL, NULL, 0, bo_ptr); if (r) { dev_err(adev->dev, "(%d) failed to allocate kernel bo\n", r); @@ -356,6 +356,7 @@ int amdgpu_bo_create_restricted(struct amdgpu_device *adev, struct sg_table *sg, struct ttm_placement *placement, struct reservation_object *resv, + uint64_t init_value, struct amdgpu_bo **bo_ptr) { struct amdgpu_bo *bo; @@ -456,7 +457,7 @@ int amdgpu_bo_create_restricted(struct amdgpu_device *adev, bo->tbo.mem.placement & TTM_PL_FLAG_VRAM) { struct dma_fence *fence; - r = amdgpu_fill_buffer(bo, 0, bo->tbo.resv, &fence); + r = amdgpu_fill_buffer(bo, init_value, bo->tbo.resv, &fence); if (unlikely(r)) goto fail_unreserve; @@ -508,6 +509,7 @@ static int amdgpu_bo_create_shadow(struct amdgpu_device *adev, AMDGPU_GEM_CREATE_CPU_GTT_USWC, NULL, &placement, bo->tbo.resv, + 0, &bo->shadow); if (!r) { bo->shadow->parent = amdgpu_bo_ref(bo); @@ -519,11 +521,15 @@ static int amdgpu_bo_create_shadow(struct amdgpu_device *adev, return r; } +/* init_value will only take effect when flags contains + * AMDGPU_GEM_CREATE_VRAM_CLEARED. + */ int amdgpu_bo_create(struct amdgpu_device *adev, unsigned long size, int byte_align, bool kernel, u32 domain, u64 flags, struct sg_table *sg, struct reservation_object *resv, + uint64_t init_value, struct amdgpu_bo **bo_ptr) { struct ttm_placement placement = {0}; @@ -538,7 +544,7 @@ int amdgpu_bo_create(struct amdgpu_device *adev, r = amdgpu_bo_create_restricted(adev, size, byte_align, kernel, domain, flags, sg, &placement, - resv, bo_ptr); + resv, init_value, bo_ptr); if (r) return r; |