linux/drivers/gpu/drm/rcar-du
Noralf Trønnes 2f690fad23 drm/rcar-du: Use drm_fbdev_generic_setup()
The CMA helper is already using the drm_fb_helper_generic_probe part of
the generic fbdev emulation. This patch makes full use of the generic
fbdev emulation by using its drm_client callbacks. This means that
drm_mode_config_funcs->output_poll_changed and drm_driver->lastclose are
now handled by the emulation code. Additionally fbdev unregister happens
automatically on drm_dev_unregister().

The drm_fbdev_generic_setup() call is put after drm_dev_register() in the
driver. This is done to highlight the fact that fbdev emulation is an
internal client that makes use of the driver, it is not part of the
driver as such. If fbdev setup fails, an error is printed, but the driver
succeeds probing.

drm_fbdev_generic_setup() handles mode_config.num_connector being zero.
In that case it retries fbdev setup on the next .output_poll_changed.

Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181128212713.43500-4-noralf@tronnes.org
2018-11-29 16:36:09 +01:00
..
Kconfig
Makefile
rcar_du_crtc.c drm: rcar-du: Reject modes that fail CRTC timing requirements 2018-11-23 13:51:23 +02:00
rcar_du_crtc.h drm: rcar-du: Cache DSYSR value to ensure known initial value 2018-09-25 00:41:04 +03:00
rcar_du_drv.c drm/rcar-du: Use drm_fbdev_generic_setup() 2018-11-29 16:36:09 +01:00
rcar_du_drv.h drm/rcar-du: Use drm_fbdev_generic_setup() 2018-11-29 16:36:09 +01:00
rcar_du_encoder.c
rcar_du_encoder.h
rcar_du_group.c drm: rcar-du: Cache DSYSR value to ensure known initial value 2018-09-25 00:41:04 +03:00
rcar_du_group.h
rcar_du_kms.c drm/rcar-du: Use drm_fbdev_generic_setup() 2018-11-29 16:36:09 +01:00
rcar_du_kms.h
rcar_du_of.c
rcar_du_of.h
rcar_du_of_lvds_r8a7790.dts
rcar_du_of_lvds_r8a7791.dts
rcar_du_of_lvds_r8a7793.dts
rcar_du_of_lvds_r8a7795.dts
rcar_du_of_lvds_r8a7796.dts
rcar_du_plane.c drm: rcar-du: Enable alpha property on primary planes 2018-11-23 13:51:22 +02:00
rcar_du_plane.h
rcar_du_regs.h drm: rcar-du: Write ESCR and OTAR as CRTC registers 2018-09-15 17:28:31 +03:00
rcar_du_vsp.c drm: rcar-du: Remove packed VYUY support 2018-09-15 17:28:34 +03:00
rcar_du_vsp.h
rcar_dw_hdmi.c
rcar_lvds.c drm: rcar-du: lvds: Add R8A77965 support 2018-11-23 13:51:22 +02:00
rcar_lvds_regs.h drm: rcar-du: lvds: D3/E3 support 2018-09-25 00:40:56 +03:00