drm/msm/adreno: get CP_RPTR from register instead of shadow memory

Browse source

As described in the downstream/kgsl driver:
Sometimes the RPTR shadow memory is unreliable causing timeouts
in adreno_idle().  Read it directly from the register instead.

Signed-off-by: Craig Stout <cstout@chromium.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>

...

This commit is contained in:

Craig Stout 2016-02-18 16:50:02 -08:00 • committed by Rob Clark

parent 38bbc55ef5

commit 7d0c5ee9f0

1 changed files with 22 additions and 12 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

34

drivers/gpu/drm/msm/adreno/adreno_gpu.c

View file