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drm/fb-helper: Remove mention of CONFIG_FB_DEFERRED_IO in docs 

This was forgotten to fixup in the latest version of the deferred_io
patch which made FB_DEFERRED_IO mandatory.

Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1462982962-10530-2-git-send-email-noralf@tronnes.org
This commit is contained in:
Noralf Trønnes 2016-05-11 18:09:17 +02:00 committed by Daniel Vetter
parent 0f3e15618d
commit 2dad551cfb
1 changed files with 8 additions and 8 deletions
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16
drivers/gpu/drm/drm_fb_helper.c
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@ -85,14 +85,14 @@ static LIST_HEAD(kernel_fb_helper_list);
* should call drm_fb_helper_single_add_all_connectors() followed by
* drm_fb_helper_initial_config().
*
* If CONFIG_FB_DEFERRED_IO is enabled and &drm_framebuffer_funcs ->dirty is
* set, the drm_fb_helper_{cfb,sys}_{write,fillrect,copyarea,imageblit}
* functions will accumulate changes and schedule &fb_helper .dirty_work to run
* right away. This worker then calls the dirty() function ensuring that it
* will always run in process context since the fb_*() function could be
* running in atomic context. If drm_fb_helper_deferred_io() is used as the
* deferred_io callback it will also schedule dirty_work with the damage
* collected from the mmap page writes.
* If &drm_framebuffer_funcs ->dirty is set, the
* drm_fb_helper_{cfb,sys}_{write,fillrect,copyarea,imageblit} functions will
* accumulate changes and schedule &drm_fb_helper ->dirty_work to run right
* away. This worker then calls the dirty() function ensuring that it will
* always run in process context since the fb_*() function could be running in
* atomic context. If drm_fb_helper_deferred_io() is used as the deferred_io
* callback it will also schedule dirty_work with the damage collected from the
* mmap page writes.
*/
/**