[PATCH v3] drm/amdgpu: Change extended-scope MTYPE on GC 9.4.3

[David Yat Sin]

Change local memory type to MTYPE_UC on revision id 0

Signed-off-by: David Yat Sin <david.yat...@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 7 +++++--
 drivers/gpu/drm/amd/amdkfd/kfd_svm.c  | 7 +++++--
 2 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c 
b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index 5464b08064c4..b5633cc2b97d 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -1197,7 +1197,10 @@ static void gmc_v9_0_get_coherence_flags(struct 
amdgpu_device *adev,
                if (uncached) {
                        mtype = MTYPE_UC;
                } else if (ext_coherent) {
-                       mtype = is_local ? MTYPE_CC : MTYPE_UC;
+                       if (adev->rev_id)
+                               mtype = is_local ? MTYPE_CC : MTYPE_UC;
+                       else
+                               mtype = MTYPE_UC;
                } else if (adev->flags & AMD_IS_APU) {
                        mtype = is_local ? mtype_local : MTYPE_NC;
                } else {
@@ -1318,7 +1321,7 @@ static void gmc_v9_0_override_vm_pte_flags(struct 
amdgpu_device *adev,
 
                        *flags = (*flags & ~AMDGPU_PTE_MTYPE_VG10_MASK) |
                                 AMDGPU_PTE_MTYPE_VG10(mtype_local);
-               } else {
+               } else if (adev->rev_id) {
                        /* MTYPE_UC case */
                        *flags = (*flags & ~AMDGPU_PTE_MTYPE_VG10_MASK) |
                                 AMDGPU_PTE_MTYPE_VG10(MTYPE_CC);
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c 
b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
index e7f67e5226ec..08aa9b85c71a 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
@@ -1257,8 +1257,11 @@ svm_range_get_pte_flags(struct kfd_node *node,
                }
                break;
        case IP_VERSION(9, 4, 3):
-               mtype_local = amdgpu_mtype_local == 1 ? AMDGPU_VM_MTYPE_NC :
-                            (amdgpu_mtype_local == 2 || ext_coherent ?
+               if (ext_coherent)
+                       mtype_local = node->adev->rev_id ? AMDGPU_VM_MTYPE_CC : 
AMDGPU_VM_MTYPE_UC;
+               else
+                       mtype_local = amdgpu_mtype_local == 1 ? 
AMDGPU_VM_MTYPE_NC :
+                            (amdgpu_mtype_local == 2 ?
                             AMDGPU_VM_MTYPE_CC : (amdgpu_mtype_local == 3 ?
                             AMDGPU_VM_MTYPE_RW : (node->adev->rev_id ?
                                AMDGPU_VM_MTYPE_CC : AMDGPU_VM_MTYPE_RW)));
-- 
2.34.1