FROMLIST: drm/amd: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.
In this patch,disabling low memory P state only when video
size >= 4k.
Multiple runs of power measurement shows no impact
Signed-off-by: suresh guttula <suresh.guttula@amd.com>
(git am from https://patchwork.freedesktop.org/patch/262322/)
BUG=b:113758904
TEST=4k playback is proper without any corruption
Change-Id: I04635524ac6c87c439262e4eda392b0ff43bb4f5
Reviewed-on: https://chromium-review.googlesource.com/1304334
Commit-Ready: Suresh Guttula <suresh.guttula@amd.corp-partner.google.com>
Tested-by: Daniel Kurtz <djkurtz@chromium.org>
Reviewed-by: Deepak Sharma <deepak.sharma@amd.com>
Reviewed-by: Daniel Kurtz <djkurtz@chromium.org>
(cherry picked from commit 68304871aaa659d9f1daef515b730fbc10a18545)
Reviewed-on: https://chromium-review.googlesource.com/c/1357782
Commit-Queue: Daniel Kurtz <djkurtz@chromium.org>
3 files changed
