drm/mxsfb: Convert to Linux IRQ interfaces
authorThomas Zimmermann <tzimmermann@suse.de>
Tue, 3 Aug 2021 09:06:58 +0000 (11:06 +0200)
committerThomas Zimmermann <tzimmermann@suse.de>
Tue, 10 Aug 2021 18:13:45 +0000 (20:13 +0200)
commit5fc40f41c137cceea8d256d842079f7ee1410a60
treecf449431d1c072edbbe960bface1ed1fdc609a51
parentf026e431cf861197dc03217d1920b38b80b31dd9
drm/mxsfb: Convert to Linux IRQ interfaces

Drop the DRM IRQ midlayer in favor of Linux IRQ interfaces. DRM's
IRQ helpers are mostly useful for UMS drivers. Modern KMS drivers
don't benefit from using it.

DRM IRQ callbacks are now being called directly or inlined.

Calls to platform_get_irq() can fail with a negative errno code.
Abort initialization in this case. The DRM IRQ midlayer does not
handle this case correctly.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210803090704.32152-9-tzimmermann@suse.de
drivers/gpu/drm/mxsfb/mxsfb_drv.c
drivers/gpu/drm/mxsfb/mxsfb_drv.h