mxc_ipuv3: fix memory alignment of framebuffer
The frame-buffer on i.MX boards needs to be aligned for DMA.
Signed-off-by: Eric Nelson <eric.nelson@boundarydevices.com>
diff --git a/drivers/video/mxc_ipuv3_fb.c b/drivers/video/mxc_ipuv3_fb.c
index ace226c..d922d5d 100644
--- a/drivers/video/mxc_ipuv3_fb.c
+++ b/drivers/video/mxc_ipuv3_fb.c
@@ -415,8 +415,9 @@
fbi->fix.smem_len = fbi->var.yres_virtual *
fbi->fix.line_length;
}
-
- fbi->screen_base = (char *)malloc(fbi->fix.smem_len);
+ fbi->fix.smem_len = roundup(fbi->fix.smem_len, ARCH_DMA_MINALIGN);
+ fbi->screen_base = (char *)memalign(ARCH_DMA_MINALIGN,
+ fbi->fix.smem_len);
fbi->fix.smem_start = (unsigned long)fbi->screen_base;
if (fbi->screen_base == 0) {
puts("Unable to allocate framebuffer memory\n");