diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c index 953df202953a..1f516466ac13 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c @@ -8062,15 +8062,24 @@ static int gfx_v10_0_update_gfx_clock_gating(struct amdgpu_device *adev, static void gfx_v10_0_update_spm_vmid_internal(struct amdgpu_device *adev, unsigned int vmid) { - u32 data; + u32 reg, pre_data, data; + reg = SOC15_REG_OFFSET(GC, 0, mmRLC_SPM_MC_CNTL); /* not for *_SOC15 */ - data = RREG32_SOC15_NO_KIQ(GC, 0, mmRLC_SPM_MC_CNTL); + if (amdgpu_sriov_is_pp_one_vf(adev) && !amdgpu_sriov_runtime(adev)) + pre_data = RREG32_NO_KIQ(reg); + else + pre_data = RREG32(reg); - data &= ~RLC_SPM_MC_CNTL__RLC_SPM_VMID_MASK; + data = pre_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_NO_KIQ(GC, 0, mmRLC_SPM_MC_CNTL, data); + if (pre_data != data) { + if (amdgpu_sriov_is_pp_one_vf(adev) && !amdgpu_sriov_runtime(adev)) { + WREG32_SOC15_NO_KIQ(GC, 0, mmRLC_SPM_MC_CNTL, data); + } else + WREG32_SOC15(GC, 0, mmRLC_SPM_MC_CNTL, data); + } } static void gfx_v10_0_update_spm_vmid(struct amdgpu_device *adev, struct amdgpu_ring *ring, unsigned int vmid) |