[PATCH v2] drm/amd: Simplify the bo size check funciton

[Ma Jun]

Simplify the code logic of size check function amdgpu_bo_validate_size

Signed-off-by: Ma Jun <Jun.Ma2 at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 29 +++++++++-------------
 1 file changed, 12 insertions(+), 17 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index 807ea74ece25..e603ca062fcc 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -480,7 +480,7 @@ void amdgpu_bo_free_kernel(struct amdgpu_bo **bo, u64 *gpu_addr,
 		*cpu_addr = NULL;
 }
 
-/* Validate bo size is bit bigger then the request domain */
+/* Validate bo size is bit bigger than the request domain */
 static bool amdgpu_bo_validate_size(struct amdgpu_device *adev,
 					  unsigned long size, u32 domain)
 {
@@ -490,29 +490,24 @@ static bool amdgpu_bo_validate_size(struct amdgpu_device *adev,
 	 * If GTT is part of requested domains the check must succeed to
 	 * allow fall back to GTT.
 	 */
-	if (domain & AMDGPU_GEM_DOMAIN_GTT) {
+	if (domain & AMDGPU_GEM_DOMAIN_GTT)
 		man = ttm_manager_type(&adev->mman.bdev, TTM_PL_TT);
-
-		if (man && size < man->size)
-			return true;
-		else if (!man)
-			WARN_ON_ONCE("GTT domain requested but GTT mem manager uninitialized");
-		goto fail;
-	} else if (domain & AMDGPU_GEM_DOMAIN_VRAM) {
+	else if (domain & AMDGPU_GEM_DOMAIN_VRAM)
 		man = ttm_manager_type(&adev->mman.bdev, TTM_PL_VRAM);
+	else
+		return true;
 
-		if (man && size < man->size)
-			return true;
-		goto fail;
+	if (!man) {
+		if (domain & AMDGPU_GEM_DOMAIN_GTT)
+			WARN_ON_ONCE("GTT domain requested but GTT mem manager uninitialized");
+		return false;
 	}
 
 	/* TODO add more domains checks, such as AMDGPU_GEM_DOMAIN_CPU, _DOMAIN_DOORBELL */
-	return true;
+	if (size < man->size)
+		return true;
 
-fail:
-	if (man)
-		DRM_DEBUG("BO size %lu > total memory in domain: %llu\n", size,
-			  man->size);
+	DRM_DEBUG("BO size %lu > total memory in domain: %llu\n", size, man->size);
 	return false;
 }
 
-- 
2.34.1