c drm-misc-next
patch link:
https://lore.kernel.org/r/20230120120822.2536032-4-javierm%40redhat.com
patch subject: [PATCH 3/3] drm/fb-helper: Use a per-driver FB deferred I/O
handler
config: x86_64-defconfig
(https://download.01.org/0day-ci/archive/20230121/202301211139.vzflfzny-...@intel.
The DRM fbdev emulation layer sets the struct fb_info .fbdefio field to
a struct fb_deferred_io pointer, that is shared across all drivers that
use the generic drm_fbdev_generic_setup() helper function.
It is a problem because the fbdev core deferred I/O logic assumes that
the struct fb_deferred_i
