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-rw-r--r--drivers/video/fbmem.c6
-rw-r--r--include/linux/fb.h4
2 files changed, 10 insertions, 0 deletions
diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c
index 7b72841222df..c4ce3e44327e 100644
--- a/drivers/video/fbmem.c
+++ b/drivers/video/fbmem.c
@@ -1321,6 +1321,12 @@ register_framebuffer(struct fb_info *fb_info)
}
fb_info->pixmap.offset = 0;
+ if (!fb_info->pixmap.blit_x)
+ fb_info->pixmap.blit_x = ~(u32)0;
+
+ if (!fb_info->pixmap.blit_y)
+ fb_info->pixmap.blit_y = ~(u32)0;
+
if (!fb_info->modelist.prev || !fb_info->modelist.next)
INIT_LIST_HEAD(&fb_info->modelist);
diff --git a/include/linux/fb.h b/include/linux/fb.h
index 70d154a02c5c..619ba1e40ab9 100644
--- 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);