Revert "drm/fb-helper: Schedule deferred-I/O worker after writing to framebuffer"
authorThomas Zimmermann <tzimmermann@suse.de>
Fri, 18 Nov 2022 13:35:34 +0000 (14:35 +0100)
committerThomas Zimmermann <tzimmermann@suse.de>
Wed, 23 Nov 2022 08:11:00 +0000 (09:11 +0100)
commit1ab4de28cb1074dabf684076996d570afbe1dc4e
treef988c360046188e969944f10c87ada5fe915ccb6
parent713befe89390c1d22a671491b2c7b2f07856f44a
Revert "drm/fb-helper: Schedule deferred-I/O worker after writing to framebuffer"

This reverts commit 7f5cc4a3e5e4c5a38e5748defc952e45278f7a70.

Needed to restore the fbdev damage worker. There have been bug reports
about locking order [1] and incorrectly takens branches. [2] Restore
the damage worker until these problems have been resovled.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://intel-gfx-ci.01.org/tree/drm-tip/fi-kbl-8809g.html
Link: https://lore.kernel.org/dri-devel/20221115115819.23088-6-tzimmermann@suse.de/T/#m06eedc0a468940e4cbbd14ca026733b639bc445a
Link: https://patchwork.freedesktop.org/patch/msgid/20221118133535.9739-3-tzimmermann@suse.de
(cherry picked from commit 8b83e1a455382dc667898a525a93f4eb6716cc41)
drivers/gpu/drm/drm_fb_helper.c
drivers/video/fbdev/core/fb_defio.c
include/linux/fb.h