drm/msm: Disable preemption on all 5xx targets
authorJordan Crouse <jcrouse@codeaurora.org>
Fri, 4 Sep 2020 02:03:12 +0000 (20:03 -0600)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 17 Sep 2020 11:55:42 +0000 (13:55 +0200)
commit16f3920c6508e915a6a0b4768b338d652f3ed182
treeb06f94dff5dcd0a1696a406fb91ef3ead990217d
parentc657e400e7353ef387fdd611a6bcff2f92d67409
drm/msm: Disable preemption on all 5xx targets

commit 7b3f3948c8b7053d771acc9f79810cc410f5e2e0 upstream.

Temporarily disable preemption on a5xx targets pending some improvements
to protect the RPTR shadow from being corrupted.

Cc: stable@vger.kernel.org
Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/gpu/drm/msm/adreno/a5xx_gpu.c