Set the variable "line_length" in the function dlfb_ops_set_par. Without this, we get garbage if we select different videomode with fbset.
Signed-off-by: Mikulas Patocka mpatocka@redhat.com Cc: stable@vger.kernel.org
--- drivers/video/fbdev/udlfb.c | 1 + 1 file changed, 1 insertion(+)
Index: linux-4.17-rc7/drivers/video/fbdev/udlfb.c =================================================================== --- linux-4.17-rc7.orig/drivers/video/fbdev/udlfb.c 2018-05-31 14:50:00.000000000 +0200 +++ linux-4.17-rc7/drivers/video/fbdev/udlfb.c 2018-05-31 14:50:00.000000000 +0200 @@ -1057,6 +1057,7 @@ static int dlfb_ops_set_par(struct fb_in return result;
dlfb->current_mode = fvs; + info->fix.line_length = info->var.xres * (info->var.bits_per_pixel / 8);
if (dlfb->fb_count == 0) {