Signed-off-by: Huang Rui <ray.huang at amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang at amd.com>
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
---
drivers/gpu/drm/amd/powerplay/amd_powerplay.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
index bd0d387..6976596 100644
--- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
+++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
@@ -222,10 +222,19 @@ static int pp_set_powergating_state(void *handle,
{
struct amdgpu_device *adev = handle;
struct pp_hwmgr *hwmgr = adev->powerplay.pp_handle;
+ int ret;
if (!hwmgr || !hwmgr->pm_en)
return 0;
+ if (hwmgr->hwmgr_func->gfx_off_control) {
+ /* Enable/disable GFX off through SMU */
+ ret = hwmgr->hwmgr_func->gfx_off_control(hwmgr,
+ state == AMD_PG_STATE_GATE);
+ if (ret)
+ pr_err("gfx off control failed!\n");
+ }
+
if (hwmgr->hwmgr_func->enable_per_cu_power_gating == NULL) {
pr_info("%s was not implemented.\n", __func__);
return 0;
--
2.7.4
