[PATCH 17/21] udlfb: set line_length in dlfb_ops_set_par

[Mikulas Patocka]

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 at redhat.com>
Cc: stable at 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) {