drm/amd/powerplay: Enable/Disable NBPSTATE on On/OFF of UVD

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commit 51ef434a15 upstream.

We observe black lines (underflow) on display when playing a
4K video with UVD. On Disabling Low memory P state this issue is
not seen.
Multiple runs of power measurement shows no imapct.

Signed-off-by: Akshu Agrawal <akshu.agrawal@amd.com>
Signed-off-by: Satyajit Sahu <satyajit.sahu@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Akshu Agrawal 2018-09-24 15:48:02 +05:30 • committed by Greg Kroah-Hartman

parent f551c11d7f

commit 506acd7ee6

1 changed files with 4 additions and 1 deletions

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drivers/gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c

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