cirrusfb: add accelerator constant

Add an accelerator constant so almost all Cirrus are recognized as
accelerators by the fbset command.

Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/video/cirrusfb.c

@@ -519,6 +519,7 @@ static int cirrusfb_check_var(struct fb_var_screeninfo *var,
 	int yres;
 	/* memory size in pixels */
 	unsigned pixels = info->screen_size * 8 / var->bits_per_pixel;
+	struct cirrusfb_info *cinfo = info->par;
 
 	switch (var->bits_per_pixel) {
 	case 1:
@@ -627,6 +628,9 @@ static int cirrusfb_check_var(struct fb_var_screeninfo *var,
 	if (cirrusfb_check_pixclock(var, info))
 		return -EINVAL;
 
+	if (!is_laguna(cinfo))
+		var->accel_flags = FB_ACCELF_TEXT;
+
 	return 0;
 }
 
@@ -2029,8 +2033,12 @@ static int __devinit cirrusfb_set_fbinfo(struct fb_info *info)
 		    | FBINFO_HWACCEL_FILLRECT
 		    | FBINFO_HWACCEL_IMAGEBLIT
 		    | FBINFO_HWACCEL_COPYAREA;
-	if (noaccel || is_laguna(cinfo))
+	if (noaccel || is_laguna(cinfo)) {
 		info->flags |= FBINFO_HWACCEL_DISABLED;
+		info->fix.accel = FB_ACCEL_NONE;
+	} else
+		info->fix.accel = FB_ACCEL_CIRRUS_ALPINE;
+
 	info->fbops = &cirrusfb_ops;
 
 	if (cinfo->btype == BT_GD5480) {
@@ -2056,7 +2064,6 @@ static int __devinit cirrusfb_set_fbinfo(struct fb_info *info)
 
 	/* FIXME: map region at 0xB8000 if available, fill in here */
 	info->fix.mmio_len   = 0;
-	info->fix.accel = FB_ACCEL_NONE;
 
 	fb_alloc_cmap(&info->cmap, 256, 0);
 

include/linux/fb.h

@@ -123,6 +123,7 @@ struct dentry;
 #define FB_ACCEL_TRIDENT_3DIMAGE 51	/* Trident 3DImage		*/
 #define FB_ACCEL_TRIDENT_BLADE3D 52	/* Trident Blade3D		*/
 #define FB_ACCEL_TRIDENT_BLADEXP 53	/* Trident BladeXP		*/
+#define FB_ACCEL_CIRRUS_ALPINE   53	/* Cirrus Logic 543x/544x/5480	*/
 #define FB_ACCEL_NEOMAGIC_NM2070 90	/* NeoMagic NM2070              */
 #define FB_ACCEL_NEOMAGIC_NM2090 91	/* NeoMagic NM2090              */
 #define FB_ACCEL_NEOMAGIC_NM2093 92	/* NeoMagic NM2093              */