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>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index 494b793..16f31cb 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;