[PATCH] drm/amd: Simplify the size check funciton
Ma Jun
Jun.Ma2 at amd.com
Fri Aug 25 05:22:04 UTC 2023
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 | 28 +++++++++-------------
1 file changed, 11 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..4c95db954a76 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 +490,23 @@ 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) {
+ WARN_ON_ONCE("Mem mananger of mem domain %d is uninitialized", domain);
+ 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
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