From 064d9810afc54c7b41e3bc084f95a0e2bbce3d9e Mon Sep 17 00:00:00 2001 From: Huang Rui Date: Fri, 2 Mar 2018 15:18:54 +0800 Subject: [PATCH 4043/4131] drm/amd/powerplay: enable/disable gfxoff through smu MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Huang Rui Reviewed-by: Hawking Zhang Reviewed-by: Alex Deucher Acked-by: Christian König --- 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 7172ad7..2588d02 100644 --- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c +++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c @@ -187,10 +187,19 @@ 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