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| author | Thomas Zimmermann <tzimmermann@suse.de> | 2022-11-07 15:53:29 +0300 |
|---|---|---|
| committer | Thomas Zimmermann <tzimmermann@suse.de> | 2022-11-08 18:16:22 +0300 |
| commit | 260cd59a54ef5ad62d54172e2faf19ad28615cec (patch) | |
| tree | 2ff915048a37d8412d09fb2d772a58afb5f06bab /include/drm/drm_fb_helper.h | |
| parent | d5c7533a461bb568d5cee6842b0826879216d220 (diff) | |
| download | linux-260cd59a54ef5ad62d54172e2faf19ad28615cec.tar.xz | |
drm/fb-helper: Document struct drm_fb_helper.hint_leak_smem_start
Document the new field smem_start in struct drm_fb_helper and avoid
a compile-time warning. An error message is shown below and the bug
report is at [1].
include/drm/drm_fb_helper.h:204: warning: Function parameter or member 'hint_leak_smem_start' not described in 'drm_fb_helper'
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Fixes: e7c5c29a9eb1 ("drm/fb-helper: Set flag in struct drm_fb_helper for leaking physical addresses")
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: Javier Martinez Canillas <javierm@redhat.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: David Airlie <airlied@gmail.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: dri-devel@lists.freedesktop.org
Link: https://lore.kernel.org/dri-devel/20221107143858.0253a8ff@canb.auug.org.au/T/#u # [1]
Link: https://patchwork.freedesktop.org/patch/msgid/20221107125329.12842-4-tzimmermann@suse.de
Diffstat (limited to 'include/drm/drm_fb_helper.h')
| -rw-r--r-- | include/drm/drm_fb_helper.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/drm/drm_fb_helper.h b/include/drm/drm_fb_helper.h index ecfcd2c56d95..b111dc7ada78 100644 --- a/include/drm/drm_fb_helper.h +++ b/include/drm/drm_fb_helper.h @@ -200,6 +200,13 @@ struct drm_fb_helper { */ int preferred_bpp; + /** + * @hint_leak_smem_start: + * + * Hint to the fbdev emulation to store the framebuffer's physical + * address in struct &fb_info.fix.smem_start. If the hint is unset, + * the smem_start field should always be cleared to zero. + */ bool hint_leak_smem_start; }; |