drm/amd/powerplay: Enable/Disable NBPSTATE on On/OFF of UVD
authorAkshu Agrawal <akshu.agrawal@amd.com>
Mon, 24 Sep 2018 10:18:02 +0000 (15:48 +0530)
committerAlex Deucher <alexander.deucher@amd.com>
Tue, 9 Oct 2018 22:01:03 +0000 (17:01 -0500)
commit51ef434a15b450bfbef1e06cc87ee4e98a224486
tree7c08628d37e6ec76feedffc53dc1e93bcea0301b
parent479afffe214759276afece3797b1677c7e1b39d4
drm/amd/powerplay: Enable/Disable NBPSTATE on On/OFF of UVD

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