diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c index 07b299ec7169..aecc2bcea145 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c @@ -1395,21 +1395,23 @@ static int gfx_v9_4_3_rlc_resume(struct amdgpu_device *adev) static void gfx_v9_4_3_update_spm_vmid(struct amdgpu_device *adev, struct amdgpu_ring *ring, unsigned vmid) { - u32 reg, data; + u32 reg, pre_data, data; reg = SOC15_REG_OFFSET(GC, GET_INST(GC, 0), regRLC_SPM_MC_CNTL); - if (amdgpu_sriov_is_pp_one_vf(adev)) - data = RREG32_NO_KIQ(reg); + if (amdgpu_sriov_is_pp_one_vf(adev) && !amdgpu_sriov_runtime(adev)) + pre_data = RREG32_NO_KIQ(reg); else - data = RREG32(reg); + 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; - if (amdgpu_sriov_is_pp_one_vf(adev)) - WREG32_SOC15_NO_KIQ(GC, GET_INST(GC, 0), regRLC_SPM_MC_CNTL, data); - else - WREG32_SOC15(GC, GET_INST(GC, 0), regRLC_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, GET_INST(GC, 0), regRLC_SPM_MC_CNTL, data); + } else + WREG32_SOC15(GC, GET_INST(GC, 0), regRLC_SPM_MC_CNTL, data); + } } static const struct soc15_reg_rlcg rlcg_access_gc_9_4_3[] = { |