diff options
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 7 | ||||
| -rw-r--r-- | include/uapi/drm/amdgpu_drm.h | 5 |
3 files changed, 11 insertions, 7 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c index bc2e72a66db9..726c91ab6761 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c @@ -224,7 +224,7 @@ void amdgpu_amdkfd_gpu_reset(struct kgd_dev *kgd) int amdgpu_amdkfd_alloc_gtt_mem(struct kgd_dev *kgd, size_t size, void **mem_obj, uint64_t *gpu_addr, - void **cpu_ptr, bool mqd_gfx9) + void **cpu_ptr, bool cp_mqd_gfx9) { struct amdgpu_device *adev = (struct amdgpu_device *)kgd; struct amdgpu_bo *bo = NULL; @@ -240,8 +240,8 @@ int amdgpu_amdkfd_alloc_gtt_mem(struct kgd_dev *kgd, size_t size, bp.type = ttm_bo_type_kernel; bp.resv = NULL; - if (mqd_gfx9) - bp.flags |= AMDGPU_GEM_CREATE_MQD_GFX9; + if (cp_mqd_gfx9) + bp.flags |= AMDGPU_GEM_CREATE_CP_MQD_GFX9; r = amdgpu_bo_create(adev, &bp, &bo); if (r) { diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index a470ba576867..c10ae1cdc1b9 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -1028,7 +1028,7 @@ int amdgpu_ttm_gart_bind(struct amdgpu_device *adev, struct amdgpu_ttm_tt *gtt = (void *)ttm; int r; - if (abo->flags & AMDGPU_GEM_CREATE_MQD_GFX9) { + if (abo->flags & AMDGPU_GEM_CREATE_CP_MQD_GFX9) { uint64_t page_idx = 1; r = amdgpu_gart_bind(adev, gtt->offset, page_idx, @@ -1036,7 +1036,10 @@ int amdgpu_ttm_gart_bind(struct amdgpu_device *adev, if (r) goto gart_bind_fail; - /* Patch mtype of the second part BO */ + /* The memory type of the first page defaults to UC. Now + * modify the memory type to NC from the second page of + * the BO onward. + */ flags &= ~AMDGPU_PTE_MTYPE_VG10_MASK; flags |= AMDGPU_PTE_MTYPE_VG10(AMDGPU_MTYPE_NC); diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h index ac3879829bb5..65f69723cbdc 100644 --- a/include/uapi/drm/amdgpu_drm.h +++ b/include/uapi/drm/amdgpu_drm.h @@ -125,9 +125,10 @@ extern "C" { /* Flag that BO sharing will be explicitly synchronized */ #define AMDGPU_GEM_CREATE_EXPLICIT_SYNC (1 << 7) /* Flag that indicates allocating MQD gart on GFX9, where the mtype - * for the second page onward should be set to NC. + * for the second page onward should be set to NC. It should never + * be used by user space applications. */ -#define AMDGPU_GEM_CREATE_MQD_GFX9 (1 << 8) +#define AMDGPU_GEM_CREATE_CP_MQD_GFX9 (1 << 8) /* Flag that BO may contain sensitive data that must be wiped before * releasing the memory */ |