Hi Marek, On 07/25/2013 09:27 PM, Marek Vasut wrote:
Dear Eric Nelson,The frame-buffer on i.MX boards needs to be aligned for DMA. Signed-off-by: Eric Nelson <eric.nel...@boundarydevices.com> --- drivers/video/mxc_ipuv3_fb.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/video/mxc_ipuv3_fb.c b/drivers/video/mxc_ipuv3_fb.c index ace226c..ad95831 100644 --- a/drivers/video/mxc_ipuv3_fb.c +++ b/drivers/video/mxc_ipuv3_fb.c @@ -416,7 +416,8 @@ static int mxcfb_map_video_memory(struct fb_info *fbi) fbi->fix.line_length; } - fbi->screen_base = (char *)malloc(fbi->fix.smem_len); + fbi->screen_base = (char *)memalign(ARCH_DMA_MINALIGN, + fbi->fix.smem_len);You might want to round-up the length too, like I did in the MXS driver.
Did you really run across a display whose size wasn't a multiple of 32, or is this rounding just in muscle-memory for you? Regards, Eric _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
