Am 21.01.21 um 06:08 schrieb Felix Kuehling:
Enable pinning of VRAM without forcing it to be contiguous. When memory is
already pinned, make sure it's contiguous if requested.
Suggested-by: Christian König <christian.koenig@xxxxxxx>
Signed-off-by: Felix Kuehling <Felix.Kuehling@xxxxxxx>
Reviewed-by: Christian König <christian.koenig@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index d026cef8e520..137f275f90ee 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -914,10 +914,15 @@ int amdgpu_bo_pin_restricted(struct amdgpu_bo *bo, u32 domain,
if (bo->pin_count) {
uint32_t mem_type = bo->tbo.mem.mem_type;
+ uint32_t mem_flags = bo->tbo.mem.placement;
if (!(domain & amdgpu_mem_type_to_domain(mem_type)))
return -EINVAL;
+ if ((bo->flags & AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS) &&
+ !(mem_flags & TTM_PL_FLAG_CONTIGUOUS))
+ return -EINVAL;
+
bo->pin_count++;
if (max_offset != 0) {
@@ -933,7 +938,6 @@ int amdgpu_bo_pin_restricted(struct amdgpu_bo *bo, u32 domain,
if (bo->tbo.base.import_attach)
dma_buf_pin(bo->tbo.base.import_attach);
- bo->flags |= AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS;
/* force to pin into visible video ram */
if (!(bo->flags & AMDGPU_GEM_CREATE_NO_CPU_ACCESS))
bo->flags |= AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED;
@@ -987,6 +991,7 @@ int amdgpu_bo_pin_restricted(struct amdgpu_bo *bo, u32 domain,
*/
int amdgpu_bo_pin(struct amdgpu_bo *bo, u32 domain)
{
+ bo->flags |= AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS;
return amdgpu_bo_pin_restricted(bo, domain, 0, 0);
}
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