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| author | Yifan Zha <Yifan.Zha@amd.com> | 2022-10-25 10:47:19 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-11-01 18:45:56 +0300 |
| commit | 2c763f37d0a08d39c1a0b1318fa82896c31a6c9d (patch) | |
| tree | 359f079c3ed7e48f5431fee4f24bfcb35868d50c | |
| parent | e1a29b28e70457549149d3b2c82e4333d68ac49d (diff) | |
| download | linux-2c763f37d0a08d39c1a0b1318fa82896c31a6c9d.tar.xz | |
drm/amdgpu: Skip program gfxhub_v3_0_3 system aperture registers under SRIOV
[Why]
gfxhub_v3_0_3 system aperture registers are removed from RLCG register access range.
[How]
Skip access gfxhub_v3_0_3 system aperture registers under SRIOV VF.
These registers will be programmed on host side.
Signed-off-by: Yifan Zha <Yifan.Zha@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfxhub_v3_0_3.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v3_0_3.c b/drivers/gpu/drm/amd/amdgpu/gfxhub_v3_0_3.c index 5d3fffd4929f..716ae6f2aefe 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfxhub_v3_0_3.c +++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v3_0_3.c @@ -154,6 +154,9 @@ static void gfxhub_v3_0_3_init_system_aperture_regs(struct amdgpu_device *adev) { uint64_t value; + if (amdgpu_sriov_vf(adev)) + return; + /* Disable AGP. */ WREG32_SOC15(GC, 0, regGCMC_VM_AGP_BASE, 0); WREG32_SOC15(GC, 0, regGCMC_VM_AGP_TOP, 0); |