[ARM] pxafb: add accelerator ID for PXA3xx GCU

Add ID 99 for PXA3xx frame buffers and report it in the pxa frame buffer
conditionally, depending on a new flag in struct pxafb_mach_info.

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Cc: linux-fbdev-devel@lists.sourceforge.net
Cc: Dennis Oliver Kropp <dok@directfb.org>
Cc: Sven Neumann <s.neumann@raumfeld.com>
Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/video/pxafb.c b/drivers/video/pxafb.c
index 3a002a634ecf..1820c4a24434 100644
--- a/drivers/video/pxafb.c
+++ b/drivers/video/pxafb.c
@@ -2083,6 +2083,9 @@ static int __devinit pxafb_probe(struct platform_device *dev)
                 goto failed;
         }
 
+        if (cpu_is_pxa3xx() && inf->acceleration_enabled)
+                fbi->fb.fix.accel = FB_ACCEL_PXA3XX;
+
         fbi->backlight_power = inf->pxafb_backlight_power;
         fbi->lcd_power = inf->pxafb_lcd_power;