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(parent: bd2a083) | patch
drm/amd/pp: Clear smu response register before send smu message
authorRex Zhu <Rex.Zhu@amd.com>
Wed, 11 Apr 2018 10:11:49 +0000 (18:11 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Tue, 15 May 2018 18:43:18 +0000 (13:43 -0500)
commit1302b39c1a2901e6c0bca6a3f7a7d207b4023da0
treebf12d5bea09e209a786f7be985a71a8114484138tree | snapshot
parentbd2a0830535cda9848473722814c85a8f9b10e84commit | diff
drm/amd/pp: Clear smu response register before send smu message

smu firmware do not update response register immediately under
some delay tasks, we may read out the original value.

so need to clear the register before send smu message.

Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/powerplay/smumgr/ci_smumgr.c diff | blob | history
drivers/gpu/drm/amd/powerplay/smumgr/smu7_smumgr.c diff | blob | history
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