diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/vi.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/vi.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/vi.c b/drivers/gpu/drm/amd/amdgpu/vi.c index bb6eacb6b23d..fbb7d8bf5a58 100644 --- a/drivers/gpu/drm/amd/amdgpu/vi.c +++ b/drivers/gpu/drm/amd/amdgpu/vi.c @@ -1177,6 +1177,23 @@ static void vi_update_hdp_light_sleep(struct amdgpu_device *adev, WREG32(mmHDP_MEM_POWER_LS, data); } +static void vi_update_drm_light_sleep(struct amdgpu_device *adev, + bool enable) +{ + uint32_t temp, data; + + temp = data = RREG32(0x157a); + + if (enable && (adev->cg_flags & AMD_CG_SUPPORT_DRM_LS)) + data |= 1; + else + data &= ~1; + + if (temp != data) + WREG32(0x157a, data); +} + + static void vi_update_rom_medium_grain_clock_gating(struct amdgpu_device *adev, bool enable) { @@ -1337,6 +1354,8 @@ static int vi_common_set_clockgating_state(void *handle, state == AMD_CG_STATE_GATE ? true : false); vi_update_hdp_light_sleep(adev, state == AMD_CG_STATE_GATE ? true : false); + vi_update_drm_light_sleep(adev, + state == AMD_CG_STATE_GATE ? true : false); break; case CHIP_TONGA: case CHIP_POLARIS10: |