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| author | Gavin Wan <Gavin.Wan@amd.com> | 2023-04-03 17:49:41 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-06-09 09:58:02 -0400 |
| commit | b0a3bbf947f6ed690336cec1f6cde2a30d082dbb (patch) | |
| tree | d0c67cca70d021bef094062bf44b52aaa2a2ea5b /drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | |
| parent | 63630c9e5c3481c51ac3b4ee058628a01ac91ba8 (diff) | |
| download | linux-b0a3bbf947f6ed690336cec1f6cde2a30d082dbb.tar.gz linux-b0a3bbf947f6ed690336cec1f6cde2a30d082dbb.tar.bz2 linux-b0a3bbf947f6ed690336cec1f6cde2a30d082dbb.zip | |
drm/amdgpu: Skip using MC FB Offset when APU flag is set for SRIOV.
The MC_VM_FB_OFFSET is PF only register. It cannot be read on VF.
So, the driver should not use MC_VM_FB_OFFSET address to set the
address of dev->gmc.aper_base.
Signed-off-by: Gavin Wan <Gavin.Wan@amd.com>
Reviewed-by: Zhigang Luo <zhigang.luo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c index 1653d77df3ba..58bcd1e1f1b6 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c @@ -1644,7 +1644,8 @@ static int gmc_v9_0_mc_init(struct amdgpu_device *adev) */ /* check whether both host-gpu and gpu-gpu xgmi links exist */ - if (((adev->flags & AMD_IS_APU) && !amdgpu_passthrough(adev)) || + if ((!amdgpu_sriov_vf(adev) && + (adev->flags & AMD_IS_APU) && !amdgpu_passthrough(adev)) || (adev->gmc.xgmi.supported && adev->gmc.xgmi.connected_to_cpu)) { adev->gmc.aper_base = |