1 files changed, 39 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4296-drm-amd-powerplay-Disable-gfx-CGPG-when-suspend-smu.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4296-drm-amd-powerplay-Disable-gfx-CGPG-when-suspend-smu.patch
new file mode 100644
index 00000000..8df71bd3
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4296-drm-amd-powerplay-Disable-gfx-CGPG-when-suspend-smu.patch
@@ -0,0 +1,39 @@
+From edc76deef950f1305de137efda64eeca6f0ee71a Mon Sep 17 00:00:00 2001
+From: chen gong <curry.gong@amd.com>
+Date: Fri, 25 Oct 2019 18:51:23 +0800
+Subject: [PATCH 4296/4736] drm/amd/powerplay: Disable gfx CGPG when suspend
+ smu
+
+if no disable gfx CGPG when suspend smu, enabling gfx CGPG will fail when resume smu.
+
+Platform: Renoir
+dmesg log information:
+
+[  151.844110 ] amdgpu: [powerplay] SMU is resuming...
+[  151.844116 ] amdgpu: [powerplay] dpm has been disabled
+[  151.844604 ] amdgpu: [powerplay] Failed to send message 0x2f,response 0xfffffffb param 0x1
+[  151.844605 ] amdgpu: [powerplay] SMU is resumed successfully!
+
+Signed-off-by: chen gong <curry.gong@amd.com>
+Acked-by: Evan Quan <evan.quan@amd.com>
+Reviewed-by: Huang Rui <ray.huang@amd.com>
+---
+ drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
+index 3ce01e1994fc..cda79f0eb822 100644
+--- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
++++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
+@@ -1351,6 +1351,8 @@ static int smu_suspend(void *handle)
+ 	if (adev->asic_type >= CHIP_NAVI10 &&
+ 	    adev->gfx.rlc.funcs->stop)
+ 		adev->gfx.rlc.funcs->stop(adev);
++	if (smu->is_apu)
++		smu_set_gfx_cgpg(&adev->smu, false);
+ 
+ 	return 0;
+ }
+-- 
+2.17.1
+