[PATCH 3/3] drm/amdgpu/gmc11: disable AGP on GC 11.5

[Christian König]

Am 21.09.23 um 16:13 schrieb Alex Deucher:
> AGP aperture is deprecated and no longer functional.
>
> v2: fix typo (Alex)
> v3: just skip the agp setup call
> v4: revert back to the original model
> v5: back to v3
>
> Signed-off-by: Alex Deucher <alexander.deucher at amd.com>

Reviewed-by: Christian König <christian.koenig at amd.com>

> ---
>   drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c | 3 ++-
>   1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c
> index 0bd7de1488f2..5b457297d468 100644
> --- a/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c
> @@ -689,7 +689,8 @@ static void gmc_v11_0_vram_gtt_location(struct amdgpu_device *adev,
>   
>   	amdgpu_gmc_vram_location(adev, &adev->gmc, base);
>   	amdgpu_gmc_gart_location(adev, mc);
> -	if (!amdgpu_sriov_vf(adev))
> +	if (!amdgpu_sriov_vf(adev) ||
> +	    (amdgpu_ip_version(adev, GC_HWIP, 0) < IP_VERSION(11, 5, 0)))
>   		amdgpu_gmc_agp_location(adev, mc);
>   
>   	/* base offset of vram pages */