drm/amd/powerplay: add control gfxoff enabling in late init

Signed-off-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
index 246f8e9e94512012e69ca2a8e335aac2013acce3..b493369e6d0f9daac4bf28777b6461917937eac9 100644 (file)
--- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
+++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
@@ -180,6 +180,7 @@ static int pp_late_init(void *handle)
 {
        struct amdgpu_device *adev = handle;
        struct pp_hwmgr *hwmgr = adev->powerplay.pp_handle;
+       int ret;
 
        if (hwmgr && hwmgr->pm_en) {
                mutex_lock(&hwmgr->smu_lock);
@@ -189,6 +190,14 @@ static int pp_late_init(void *handle)
        }
        if (adev->pm.smu_prv_buffer_size != 0)
                pp_reserve_vram_for_smu(adev);
+
+       if (hwmgr->hwmgr_func->gfx_off_control &&
+           (hwmgr->feature_mask & PP_GFXOFF_MASK)) {
+               ret = hwmgr->hwmgr_func->gfx_off_control(hwmgr, true);
+               if (ret)
+                       pr_err("gfx off enabling failed!\n");
+       }
+
        return 0;
 }