video: mx3fb: Allow blocking during framebuffer allocation
authorSascha Hauer <s.hauer@pengutronix.de>
Thu, 19 Dec 2013 08:23:08 +0000 (09:23 +0100)
committerTomi Valkeinen <tomi.valkeinen@ti.com>
Fri, 17 Jan 2014 08:57:44 +0000 (10:57 +0200)
No need to allocate the framebuffer from the atomic pool, we are not
in interrupt context. Adding GFP_KERNEL to the framebuffer allocation
allows to use the much bigger CMA pool to allocate the framebuffer.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: linux-fbdev@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
drivers/video/mx3fb.c

index 804f874d32d38e0fc3546f28683935a2328f03ba..142e860fb527bde00abc270601c745bc65a70975 100644 (file)
@@ -1263,7 +1263,7 @@ static int mx3fb_map_video_memory(struct fb_info *fbi, unsigned int mem_len,
 
        fbi->screen_base = dma_alloc_writecombine(fbi->device,
                                                  mem_len,
-                                                 &addr, GFP_DMA);
+                                                 &addr, GFP_DMA | GFP_KERNEL);
 
        if (!fbi->screen_base) {
                dev_err(fbi->device, "Cannot allocate %u bytes framebuffer memory\n",