Reviewed-by: Kevin Wang <[email protected]>

Best Regards,
Kevin
________________________________
From: amd-gfx <[email protected]> on behalf of Dan 
Carpenter <[email protected]>
Sent: Monday, October 7, 2019 5:04 PM
To: Rex Zhu <[email protected]>; Quan, Evan <[email protected]>
Cc: Zhou, David(ChunMing) <[email protected]>; David Airlie 
<[email protected]>; [email protected] 
<[email protected]>; [email protected] 
<[email protected]>; [email protected] 
<[email protected]>; Daniel Vetter <[email protected]>; Deucher, 
Alexander <[email protected]>; Koenig, Christian 
<[email protected]>
Subject: [PATCH] drm/amd/powerplay: unlock on error in smu_resume()

This function needs to drop the mutex before returning.

Fixes: f7e3a5776fa6 ("drm/amd/powerplay: check SMU engine readiness before 
proceeding on S3 resume")
Signed-off-by: Dan Carpenter <[email protected]>
---
 drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c 
b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
index 6a64f765fcd4..f1fbbc8b77ee 100644
--- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
@@ -1384,7 +1384,7 @@ static int smu_resume(void *handle)
         ret = smu_start_smc_engine(smu);
         if (ret) {
                 pr_err("SMU is not ready yet!\n");
-               return ret;
+               goto failed;
         }

         ret = smu_smc_table_hw_init(smu, false);
--
2.20.1

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