[AMD Official Use Only - Internal Distribution Only]
Reviewed-by: Huang Rui <ray.huang@xxxxxxx>
-----Original Message-----
From: Liang, Prike <Prike.Liang@xxxxxxx>
Sent: Wednesday, April 15, 2020 11:43 PM
To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
Cc: Deucher, Alexander <Alexander.Deucher@xxxxxxx>; Huang, Ray <Ray.Huang@xxxxxxx>; Liang, Prike <Prike.Liang@xxxxxxx>
Subject: [PATCH] drm/amd/powerplay: fix resume failed as smu table initialize early exit
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>
---
drivers/gpu/drm/amd/powerplay/renoir_ppt.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/powerplay/renoir_ppt.c b/drivers/gpu/drm/amd/powerplay/renoir_ppt.c
index 95eb445..7ddaea8 100644
--- a/drivers/gpu/drm/amd/powerplay/renoir_ppt.c
+++ b/drivers/gpu/drm/amd/powerplay/renoir_ppt.c
@@ -895,12 +895,17 @@ 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;
+
/*
* Until 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;
}
--
2.7.4
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