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drm/amd/powerplay: avoid enabling/disabling uvd/vce dpm twice
authorEvan Quan <evan.quan@amd.com>
Thu, 19 Jul 2018 10:40:25 +0000 (18:40 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Mon, 27 Aug 2018 16:10:36 +0000 (11:10 -0500)
commitd940def9ab1f02bb421e02f3e9137153705a79e6
tree0f0a06423a6dda88cda6092664f0602563e91422tree | snapshot
parentbe6a55a11af64fc07e478ba0f964bef76521293bcommit | diff
drm/amd/powerplay: avoid enabling/disabling uvd/vce dpm twice

For vega20, there are two UVD rings which share one powerplay instance.
Under some case(two rings used parallel), the uvd dpm is disabled twice
which causes the SMC hang.

Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Rex Zhu <rezhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c diff | blob | history
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