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 <[email protected]> Signed-off-by: Thomas Zimmermann <[email protected]> Fixes: e7c5c29a9eb1 ("drm/fb-helper: Set flag in struct drm_fb_helper for leaking physical addresses") Cc: Thomas Zimmermann <[email protected]> Cc: Javier Martinez Canillas <[email protected]> Cc: Maarten Lankhorst <[email protected]> Cc: Maxime Ripard <[email protected]> Cc: David Airlie <[email protected]> Cc: Daniel Vetter <[email protected]> Cc: [email protected] Link: https://lore.kernel.org/dri-devel/[email protected]/T/#u # [1] --- include/drm/drm_fb_helper.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/include/drm/drm_fb_helper.h b/include/drm/drm_fb_helper.h index ecfcd2c56d95a..b111dc7ada78d 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; }; -- 2.38.0
