Am 27.08.19 um 01:07 schrieb Kuehling, Felix:
> From: Oak Zeng <Oak.Zeng@xxxxxxx>
>
> Arcturus repurposed mtype WC to RW. Modify gmc functions
> to support the new mtype
>
> Change-Id: Idc338e5386a57020f45262025e2664ab4ba9f291
> Signed-off-by: Oak Zeng <Oak.Zeng@xxxxxxx>
Reviewed-by: Christian König <christian.koenig@xxxxxxx>
> ---
> 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 f77138ba41f6..7aa365cd8d1d 100644
> --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
> @@ -603,6 +603,9 @@ 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;
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