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drm/amdgpu: avoid gfx register accessing during gfxoff 

Make sure gfxoff is disabled before gfx register accessing.

Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Evan Quan 2022-08-26 19:30:20 +08:00 committed by Alex Deucher
parent 629c30db7c
commit 7436538899
1 changed files with 4 additions and 0 deletions
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4
drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
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@ -5097,6 +5097,8 @@ static void gfx_v11_0_update_spm_vmid(struct amdgpu_device *adev, unsigned vmid)
{
u32 reg, data;
amdgpu_gfx_off_ctrl(adev, false);
reg = SOC15_REG_OFFSET(GC, 0, regRLC_SPM_MC_CNTL);
if (amdgpu_sriov_is_pp_one_vf(adev))
data = RREG32_NO_KIQ(reg);
@ -5110,6 +5112,8 @@ static void gfx_v11_0_update_spm_vmid(struct amdgpu_device *adev, unsigned vmid)
WREG32_SOC15_NO_KIQ(GC, 0, regRLC_SPM_MC_CNTL, data);
else
WREG32_SOC15(GC, 0, regRLC_SPM_MC_CNTL, data);
amdgpu_gfx_off_ctrl(adev, true);
}
static const struct amdgpu_rlc_funcs gfx_v11_0_rlc_funcs = {