fbdev: advertise limitation of drawing engine

[powerpc.git] / include / linux / fb.h

diff --git a/include/linux/fb.h b/include/linux/fb.h
index 70d154a..619ba1e 100644 (file)
--- a/include/linux/fb.h
+++ b/include/linux/fb.h
@@ -558,6 +558,10 @@ struct fb_pixmap {
        u32 scan_align;         /* alignment per scanline               */
        u32 access_align;       /* alignment per read/write (bits)      */
        u32 flags;              /* see FB_PIXMAP_*                      */
+       u32 blit_x;             /* supported bit block dimensions (1-32)*/
+       u32 blit_y;             /* Format: blit_x = 1 << (width - 1)    */
+                               /*         blit_y = 1 << (height - 1)   */
+                               /* if 0, will be set to 0xffffffff (all)*/
        /* access methods */
        void (*writeio)(struct fb_info *info, void __iomem *dst, void *src, unsigned int size);
        void (*readio) (struct fb_info *info, void *dst, void __iomem *src, unsigned int size);