[PATCH 3.16 064/328] udlfb: set line_length in dlfb_ops_set_par

Ben Hutchings
2018-12-09T22:04:37Z

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>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
[bwh: Backported to 3.16: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
drivers/video/fbdev/udlfb.c | 1 +
1 file changed, 1 insertion(+)

--- a/drivers/video/fbdev/udlfb.c
+++ b/drivers/video/fbdev/udlfb.c
@@ -1073,6 +1073,7 @@ static int dlfb_ops_set_par(struct fb_in
return result;

dev->current_mode = fvs;
+ info->fix.line_length = info->var.xres * (info->var.bits_per_pixel / 8);

if (dev->fb_count == 0) {