From: Oak Zeng <oak.z...@amd.com>
Arcturus repurposed mtype WC to RW. Modify gmc functions
to support the new mtype
Change-Id: Idc338e5386a57020f45262025e2664ab4ba9f291
Signed-off-by: Oak Zeng <oak.z...@amd.com>
---
drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 3 +++
drivers/gpu/drm/amd/include/vega10_enum.h | 1 +
2 files changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index 6ce2977c3c59..9aafcda6c488 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -587,6 +587,9 @@ static uint64_t gmc_v9_0_get_vm_pte_flags(struct
amdgpu_device *adev,
case AMDGPU_VM_MTYPE_WC:
pte_flag |= AMDGPU_PTE_MTYPE_VG10(MTYPE_WC);
break;
+ case AMDGPU_VM_MTYPE_RW:
+ pte_flag |= AMDGPU_PTE_MTYPE_VG10(MTYPE_RW);
+ break;
case AMDGPU_VM_MTYPE_CC:
pte_flag |= AMDGPU_PTE_MTYPE_VG10(MTYPE_CC);
break;
diff --git a/drivers/gpu/drm/amd/include/vega10_enum.h
b/drivers/gpu/drm/amd/include/vega10_enum.h
index c14ba65a2415..adf1b754666e 100644
--- a/drivers/gpu/drm/amd/include/vega10_enum.h
+++ b/drivers/gpu/drm/amd/include/vega10_enum.h
@@ -1037,6 +1037,7 @@ TCC_CACHE_POLICY_STREAM = 0x00000001,
typedef enum MTYPE {
MTYPE_NC = 0x00000000,
MTYPE_WC = 0x00000001,
+MTYPE_RW = 0x00000001,
MTYPE_CC = 0x00000002,
MTYPE_UC = 0x00000003,
} MTYPE;
--
2.17.1
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