[PATCH 6/8] drm/amdkfd: remove dead code in the function svm_range_get_pte_flags

[Jesse Zhang]

The varible uncached  set false, the condition uncached cannot be true.
So remove the dead code, mapping flags will set the flag AMDGPU_VM_MTYPE_UC in else.

Signed-off-by: Jesse Zhang <Jesse.Zhang at amd.com>
---
 drivers/gpu/drm/amd/amdkfd/kfd_svm.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
index 407636a68814..bd9c2921e0dc 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
@@ -1171,7 +1171,6 @@ svm_range_get_pte_flags(struct kfd_node *node,
 	bool snoop = (domain != SVM_RANGE_VRAM_DOMAIN);
 	bool coherent = flags & (KFD_IOCTL_SVM_FLAG_COHERENT | KFD_IOCTL_SVM_FLAG_EXT_COHERENT);
 	bool ext_coherent = flags & KFD_IOCTL_SVM_FLAG_EXT_COHERENT;
-	bool uncached = false; /*flags & KFD_IOCTL_SVM_FLAG_UNCACHED;*/
 	unsigned int mtype_local;
 
 	if (domain == SVM_RANGE_VRAM_DOMAIN)
@@ -1220,9 +1219,7 @@ svm_range_get_pte_flags(struct kfd_node *node,
 			mtype_local = amdgpu_mtype_local == 1 ? AMDGPU_VM_MTYPE_NC :
 				amdgpu_mtype_local == 2 ? AMDGPU_VM_MTYPE_CC : AMDGPU_VM_MTYPE_RW;
 		snoop = true;
-		if (uncached) {
-			mapping_flags |= AMDGPU_VM_MTYPE_UC;
-		} else if (domain == SVM_RANGE_VRAM_DOMAIN) {
+		if (domain == SVM_RANGE_VRAM_DOMAIN) {
 			/* local HBM region close to partition */
 			if (bo_node->adev == node->adev &&
 			    (!bo_node->xcp || !node->xcp || bo_node->xcp->mem_id == node->xcp->mem_id))
-- 
2.25.1