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Commit 775b0c11 authored by Huang Rui's avatar Huang Rui Committed by Alex Deucher
Browse files

drm/amd/powerplay: enable/disable gfxoff through smu 



Signed-off-by: default avatarHuang Rui <ray.huang@amd.com>
Reviewed-by: default avatarHawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Acked-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 9c822141

drivers/gpu/drm/amd/powerplay/amd_powerplay.c

+9 −0
Original line number Original line Diff line number Diff line
@@ -222,10 +222,19 @@ static int pp_set_powergating_state(void *handle, 
{

{

	struct amdgpu_device *adev = handle;

	struct amdgpu_device *adev = handle;

	struct pp_hwmgr *hwmgr = adev->powerplay.pp_handle;

	struct pp_hwmgr *hwmgr = adev->powerplay.pp_handle;

	int ret;





	if (!hwmgr || !hwmgr->pm_en)

	if (!hwmgr || !hwmgr->pm_en)

		return 0;

		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) {

	if (hwmgr->hwmgr_func->enable_per_cu_power_gating == NULL) {

		pr_info("%s was not implemented.\n", __func__);

		pr_info("%s was not implemented.\n", __func__);

		return 0;

		return 0;