diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/nbio_v4_3.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/nbio_v4_3.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v4_3.c b/drivers/gpu/drm/amd/amdgpu/nbio_v4_3.c index 233be735165a..982a89f841d5 100644 --- a/drivers/gpu/drm/amd/amdgpu/nbio_v4_3.c +++ b/drivers/gpu/drm/amd/amdgpu/nbio_v4_3.c @@ -240,8 +240,11 @@ static void nbio_v4_3_update_medium_grain_clock_gating(struct amdgpu_device *ade { uint32_t def, data; + if (enable && !(adev->cg_flags & AMD_CG_SUPPORT_BIF_MGCG)) + return; + def = data = RREG32_SOC15(NBIO, 0, regCPM_CONTROL); - if (enable && (adev->cg_flags & AMD_CG_SUPPORT_BIF_MGCG)) { + if (enable) { data |= (CPM_CONTROL__LCLK_DYN_GATE_ENABLE_MASK | CPM_CONTROL__TXCLK_DYN_GATE_ENABLE_MASK | CPM_CONTROL__TXCLK_LCNT_GATE_ENABLE_MASK | @@ -266,9 +269,12 @@ static void nbio_v4_3_update_medium_grain_light_sleep(struct amdgpu_device *adev { uint32_t def, data; + if (enable && !(adev->cg_flags & AMD_CG_SUPPORT_BIF_LS)) + return; + /* TODO: need update in future */ def = data = RREG32_SOC15(NBIO, 0, regPCIE_CNTL2); - if (enable && (adev->cg_flags & AMD_CG_SUPPORT_BIF_LS)) { + if (enable) { data |= PCIE_CNTL2__SLV_MEM_LS_EN_MASK; } else { data &= ~PCIE_CNTL2__SLV_MEM_LS_EN_MASK; |