Reviewed-by: Xiaojie Yuan <xiaojie.yuan@xxxxxxx>
BR,
Xiaojie
> On Aug 23, 2019, at 10:45 PM, Alex Deucher <alexdeucher@xxxxxxxxx> wrote:
>
> So that we properly handle them on older asics.
>
> Fixes: 3ff985485b29 ("drm/amdgpu: Export function to flush TLB of specific vm hub")
> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
> ---
> drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c | 2 ++
> drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c | 2 ++
> drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c | 2 ++
> 3 files changed, 6 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
> index 564fb1ce292f..3264548e375c 100644
> --- a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
> @@ -839,6 +839,8 @@ static int gmc_v6_0_sw_init(void *handle)
> int dma_bits;
> struct amdgpu_device *adev = (struct amdgpu_device *)handle;
>
> + adev->num_vmhubs = 1;
> +
> if (adev->flags & AMD_IS_APU) {
> adev->gmc.vram_type = AMDGPU_VRAM_TYPE_UNKNOWN;
> } else {
> diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
> index 9e6a23304fd7..cc0aa178eb2d 100644
> --- a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
> @@ -959,6 +959,8 @@ static int gmc_v7_0_sw_init(void *handle)
> int dma_bits;
> struct amdgpu_device *adev = (struct amdgpu_device *)handle;
>
> + adev->num_vmhubs = 1;
> +
> if (adev->flags & AMD_IS_APU) {
> adev->gmc.vram_type = AMDGPU_VRAM_TYPE_UNKNOWN;
> } else {
> diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
> index f7d6a07ba4e1..88f3a171452f 100644
> --- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
> @@ -1079,6 +1079,8 @@ static int gmc_v8_0_sw_init(void *handle)
> int dma_bits;
> struct amdgpu_device *adev = (struct amdgpu_device *)handle;
>
> + adev->num_vmhubs = 1;
> +
> if (adev->flags & AMD_IS_APU) {
> adev->gmc.vram_type = AMDGPU_VRAM_TYPE_UNKNOWN;
> } else {
> --
> 2.20.1
>
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