1 files changed, 44 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/4043-drm-amd-powerplay-enable-disable-gfxoff-through-smu.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/4043-drm-amd-powerplay-enable-disable-gfxoff-through-smu.patch
new file mode 100644
index 00000000..20256bd6
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/4043-drm-amd-powerplay-enable-disable-gfxoff-through-smu.patch
@@ -0,0 +1,44 @@
+From 064d9810afc54c7b41e3bc084f95a0e2bbce3d9e Mon Sep 17 00:00:00 2001
+From: Huang Rui <ray.huang@amd.com>
+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 <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>
+---
+ 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
+