drm/amdgpu: Change extended-scope MTYPE on GC 9.4.3

[linux-2.6-microblaze.git] / drivers / gpu / drm / amd / amdgpu / gmc_v9_0.c

diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index 05fb575..bde25eb 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -1180,7 +1180,10 @@ 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 {
@@ -1301,7 +1304,7 @@ 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);