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Commit 21de71f6 authored by Sam Ravnborg's avatar Sam Ravnborg
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drm: writeback: document callbacks



Document the callbacks:
    drm_connector_helper_funcs.prepare_writeback_job
    drm_connector_helper_funcs.cleanup_writeback_job

The documentation was pulled from the changelong introducing the
callbacks, originally written by Laurent.

Adding the missing documentation fixes the following warnings:
drm_modeset_helper_vtables.h:1052: warning: Function parameter or member 'prepare_writeback_job' not described in 'drm_connector_helper_funcs'
drm_modeset_helper_vtables.h:1052: warning: Function parameter or member 'cleanup_writeback_job' not described in 'drm_connector_helper_funcs'

v2:
  - Fix formatting (Daniel)
  - Drop changelog text and add reference (Daniel)
  - Improve grammar. and use "operation" (Laurent)

Signed-off-by: default avatarSam Ravnborg <sam@ravnborg.org>
Reviewed-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: default avatarLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: default avatarLiviu Dudau <liviu.dudau@arm.com>
Cc: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Cc: Liviu Dudau <liviu.dudau@arm.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: David Airlie <airlied@linux.ie>
Link: https://patchwork.freedesktop.org/patch/msgid/20200406194746.26433-3-sam@ravnborg.org
parent 61272e47
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