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| author | Christian König <christian.koenig@amd.com> | 2020-04-21 16:20:26 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-04-22 18:11:49 -0400 |
| commit | e09d40bdbac0e37a0179f4cd901e6422619a7ad2 (patch) | |
| tree | 36992c944b2618a8ee4907a7d7d86b3a365be034 /drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | |
| parent | a891d239f9e036031f9f1c62fe584232662cb7f1 (diff) | |
| download | lwn-e09d40bdbac0e37a0179f4cd901e6422619a7ad2.tar.gz lwn-e09d40bdbac0e37a0179f4cd901e6422619a7ad2.zip | |
drm/amdgpu: change how we update mmRLC_SPM_MC_CNTL
In pp_one_vf mode avoid the extra overhead and read/write the
registers without the KIQ.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Monk Liu <monk.liu@amd.com>
Acked-by: Yintian Tao <yintian.tao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c index 40314aeddf17..212492244e33 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c @@ -7030,14 +7030,21 @@ static int gfx_v10_0_update_gfx_clock_gating(struct amdgpu_device *adev, static void gfx_v10_0_update_spm_vmid(struct amdgpu_device *adev, unsigned vmid) { - u32 data; + u32 reg, data; - data = RREG32_SOC15(GC, 0, mmRLC_SPM_MC_CNTL); + reg = SOC15_REG_OFFSET(GC, 0, mmRLC_SPM_MC_CNTL); + if (amdgpu_sriov_is_pp_one_vf(adev)) + data = RREG32_NO_KIQ(reg); + else + data = RREG32(reg); data &= ~RLC_SPM_MC_CNTL__RLC_SPM_VMID_MASK; data |= (vmid & RLC_SPM_MC_CNTL__RLC_SPM_VMID_MASK) << RLC_SPM_MC_CNTL__RLC_SPM_VMID__SHIFT; - WREG32_SOC15(GC, 0, mmRLC_SPM_MC_CNTL, data); + if (amdgpu_sriov_is_pp_one_vf(adev)) + WREG32_SOC15_NO_KIQ(GC, 0, mmRLC_SPM_MC_CNTL, data); + else + WREG32_SOC15(GC, 0, mmRLC_SPM_MC_CNTL, data); } static bool gfx_v10_0_check_rlcg_range(struct amdgpu_device *adev, |