Hi
On Wed, Sep 21, 2016 at 6:47 AM, poma <pomidorabelisima@xxxxxxxxx> wrote:
> Within X server, on top of DisplayLink GPU USB2.0 device,
> screen content is not refreshed i.e. updated.
>
> This fixes commit:
>
> - e375882406d0cc24030746638592004755ed4ae0
> "drm/udl: Use drm_fb_helper deferred_io support"
>
> Thanks Noralf and Daniel for the comments.
>
> Tested-by: poma <poma@xxxxxxxxx>
Can you provide your Signed-off-by: line?
Reviewed-by: David Herrmann <dh.herrmann@xxxxxxxxx>
Thanks
David
> ---
> drivers/gpu/drm/udl/udl_fb.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/udl/udl_fb.c b/drivers/gpu/drm/udl/udl_fb.c
> index d5df555..cc2daba 100644
> --- a/drivers/gpu/drm/udl/udl_fb.c
> +++ b/drivers/gpu/drm/udl/udl_fb.c
> @@ -122,7 +122,7 @@ int udl_handle_damage(struct udl_framebuffer *fb, int x, int y,
> return 0;
> cmd = urb->transfer_buffer;
>
> - for (i = y; i < height ; i++) {
> + for (i = y; i < y + height ; i++) {
> const int line_offset = fb->base.pitches[0] * i;
> const int byte_offset = line_offset + (x * bpp);
> const int dev_byte_offset = (fb->base.width * bpp * i) + (x * bpp);
> --
> 2.7.4
>
>
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