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drm/amdgpu: Skip program gfxhub_v3_0_3 system aperture registers under SRIOV

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[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>
This commit is contained in:
Yifan Zha 2022-10-25 15:47:19 +08:00 committed by Alex Deucher
parent e1a29b28e7
commit 2c763f37d0
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/amd/amdgpu/gfxhub_v3_0_3.c
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@ -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);