drivers/video/fb.c: Add support for LCD drivers that use a simulated framebuffer and must receive explicit notification when there is an update to a region in the framebuffer.

2026-09-21 21:47:28 +08:00 · 2017-09-11 16:43:12 -06:00
parent bf33f1d63e
commit f3fc9c0d03
2 changed files with 23 additions and 0 deletions
@@ -211,6 +211,10 @@
 #  define FBIOPUT_CURSOR   _FBIOC(0x0006)  /* Set cursor attibutes */
                                           /* Argument: read-only struct fb_setcursor_s */
 #endif
+#ifdef CONFIG_NX_UPDATE
+#  define FBIO_UPDATE      _FBIOC(0x0007)  /* Update a rectangular region in the framebuffer */
+                                           /* Argument: read-only struct nxgl_rect_s */
+#endif

 /****************************************************************************
 * Public Types