]> git.baikalelectronics.ru Git - kernel.git/commit
drm/msm: Handle drm_atomic_helper_swap_state failure
authorMaarten Lankhorst <maarten.lankhorst@linux.intel.com>
Tue, 11 Jul 2017 14:33:09 +0000 (16:33 +0200)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Wed, 26 Jul 2017 11:22:42 +0000 (13:22 +0200)
commit8842f9581b5738e227e08e495527082ef8ffc98b
tree2cc0960b930f324755a65df374cd8dba9d6065a8
parent49888635bf3b946e990731bfa16f96f48083e885
drm/msm: Handle drm_atomic_helper_swap_state failure

drm_atomic_helper_swap_state() will be changed to interruptible waiting
in the next few commits, so all drivers have to be changed to handling
failure.

MSM has its own busy tracking, which means the swap_state call can be
done with stall = false, in which case it should never return an error.
Handle failure with BUG_ON for this reason.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Rob Clark <robdclark@gmail.com>
Cc: linux-arm-msm@vger.kernel.org
Cc: freedreno@lists.freedesktop.org
Link: http://patchwork.freedesktop.org/patch/msgid/20170711143314.2148-8-maarten.lankhorst@linux.intel.com
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Tested-by: Archit Taneja <architt@codeaurora.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/msm/msm_atomic.c