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.
> fbi->fix.smem_start = (unsigned long)fbi->screen_base;
> if (fbi->screen_base == 0) {
> puts("Unable to allocate framebuffer memory\n");
Best regards,
Marek Vasut
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