drm/fb-helper: Document struct drm_fb_helper.hint_leak_smem_start

[sfrench/cifs-2.6.git] / include / drm / drm_fb_helper.h

diff --git a/include/drm/drm_fb_helper.h b/include/drm/drm_fb_helper.h
index ecfcd2c56d95a7613b45eb022058d3e9a50cdcbb..b111dc7ada78d72dddec80cd7143a0744f277773 100644 (file)
--- 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;
 };