4.18-stable review patch. If anyone has any objections, please let me know.
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From: Mikulas Patocka mpatocka@redhat.com
commit 0ac319b7af1bb24a33365d0ec82a2f56a59b2a78 upstream.
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 Signed-off-by: Bartlomiej Zolnierkiewicz b.zolnierkie@samsung.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/video/fbdev/udlfb.c | 1 + 1 file changed, 1 insertion(+)
--- a/drivers/video/fbdev/udlfb.c +++ b/drivers/video/fbdev/udlfb.c @@ -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) {