[PATCH 2/2] drm/amdgpu: handle domain mask checking v2

[Chunming Zhou]

if domain is illegal, we should return error.
v2:
  remove duplicated domain checking.

Change-Id: I65a738f5ac4fc34be76de867afb0db1d4bd27c24
Signed-off-by: Chunming Zhou <david1.zhou at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c    | 7 +------
 drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 7 +------
 include/uapi/drm/amdgpu_drm.h              | 6 ++++++
 3 files changed, 8 insertions(+), 12 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
index ff606ce88837..c62c3dd4dcc6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
@@ -229,12 +229,7 @@ int amdgpu_gem_create_ioctl(struct drm_device *dev, void *data,
 		return -EINVAL;
 
 	/* reject invalid gem domains */
-	if (args->in.domains & ~(AMDGPU_GEM_DOMAIN_CPU |
-				 AMDGPU_GEM_DOMAIN_GTT |
-				 AMDGPU_GEM_DOMAIN_VRAM |
-				 AMDGPU_GEM_DOMAIN_GDS |
-				 AMDGPU_GEM_DOMAIN_GWS |
-				 AMDGPU_GEM_DOMAIN_OA))
+	if (args->in.domains & ~AMDGPU_GEM_DOMAIN_MASK)
 		return -EINVAL;
 
 	/* create a gem object to contain this object in */
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index 9258f0694922..42d3d1501da5 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -383,12 +383,7 @@ static int amdgpu_bo_do_create(struct amdgpu_device *adev,
 	INIT_LIST_HEAD(&bo->va);
 	preferred_domains = bp->preferred_domain ? bp->preferred_domain :
 		bp->domain;
-	bo->preferred_domains = preferred_domains & (AMDGPU_GEM_DOMAIN_VRAM |
-						     AMDGPU_GEM_DOMAIN_GTT |
-						     AMDGPU_GEM_DOMAIN_CPU |
-						     AMDGPU_GEM_DOMAIN_GDS |
-						     AMDGPU_GEM_DOMAIN_GWS |
-						     AMDGPU_GEM_DOMAIN_OA);
+	bo->preferred_domains = preferred_domains;
 	bo->allowed_domains = bo->preferred_domains;
 	if (bp->type != ttm_bo_type_kernel &&
 	    bo->allowed_domains == AMDGPU_GEM_DOMAIN_VRAM)
diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h
index 0087799962cf..d023d3c4ee51 100644
--- a/include/uapi/drm/amdgpu_drm.h
+++ b/include/uapi/drm/amdgpu_drm.h
@@ -81,6 +81,12 @@ extern "C" {
 #define AMDGPU_GEM_DOMAIN_GDS		0x8
 #define AMDGPU_GEM_DOMAIN_GWS		0x10
 #define AMDGPU_GEM_DOMAIN_OA		0x20
+#define AMDGPU_GEM_DOMAIN_MASK		(AMDGPU_GEM_DOMAIN_CPU | \
+					 AMDGPU_GEM_DOMAIN_GTT | \
+					 AMDGPU_GEM_DOMAIN_VRAM | \
+					 AMDGPU_GEM_DOMAIN_GDS | \
+					 AMDGPU_GEM_DOMAIN_GWS | \
+					 AMDGPU_GEM_DOMAIN_OA)
 
 /* Flag that CPU access will be required for the case of VRAM domain */
 #define AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED	(1 << 0)
-- 
2.14.1