This is a note to let you know that I've just added the patch titled drm/amd/powerplay: fix resume failed as smu table initialize early exit to the 5.6-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: drm-amd-powerplay-fix-resume-failed-as-smu-table-ini.patch and it can be found in the queue-5.6 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 9f1480e52264b193688862e2e6da4d733239f490 Author: Prike Liang <Prike.Liang@xxxxxxx> Date: Wed Apr 15 21:43:41 2020 +0800 drm/amd/powerplay: fix resume failed as smu table initialize early exit [ Upstream commit 45a5e639548c459a5accebad340078e4e6e0e512 ] When the amdgpu in the suspend/resume loop need notify the dpm disabled, otherwise the smu table will be uninitialize and result in resume failed. Signed-off-by: Prike Liang <Prike.Liang@xxxxxxx> Tested-by: Mengbing Wang <Mengbing.Wang@xxxxxxx> Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx> Reviewed-by: Huang Rui <ray.huang@xxxxxxx> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/gpu/drm/amd/powerplay/renoir_ppt.c b/drivers/gpu/drm/amd/powerplay/renoir_ppt.c index f7a1ce37227cd..4a52c310058d1 100644 --- a/drivers/gpu/drm/amd/powerplay/renoir_ppt.c +++ b/drivers/gpu/drm/amd/powerplay/renoir_ppt.c @@ -889,12 +889,17 @@ static int renoir_read_sensor(struct smu_context *smu, static bool renoir_is_dpm_running(struct smu_context *smu) { + struct amdgpu_device *adev = smu->adev; + /* * Util now, the pmfw hasn't exported the interface of SMU * feature mask to APU SKU so just force on all the feature * at early initial stage. */ - return true; + if (adev->in_suspend) + return false; + else + return true; }