This is a note to let you know that I've just added the patch titled
drm/ast: change resolution may cause screen blurred
to the 4.14-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-ast-change-resolution-may-cause-screen-blurred.patch
and it can be found in the queue-4.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 1a37bd823891568f8721989aed0615835632d81a Mon Sep 17 00:00:00 2001
From: "Y.C. Chen" <yc_chen@xxxxxxxxxxxxxx>
Date: Wed, 3 Oct 2018 14:57:47 +0800
Subject: drm/ast: change resolution may cause screen blurred
From: Y.C. Chen <yc_chen@xxxxxxxxxxxxxx>
commit 1a37bd823891568f8721989aed0615835632d81a upstream.
The value of pitches is not correct while calling mode_set.
The issue we found so far on following system:
- Debian8 with XFCE Desktop
- Ubuntu with KDE Desktop
- SUSE15 with KDE Desktop
Signed-off-by: Y.C. Chen <yc_chen@xxxxxxxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx>
Tested-by: Jean Delvare <jdelvare@xxxxxxx>
Reviewed-by: Jean Delvare <jdelvare@xxxxxxx>
Signed-off-by: Dave Airlie <airlied@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/ast/ast_mode.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/gpu/drm/ast/ast_mode.c
+++ b/drivers/gpu/drm/ast/ast_mode.c
@@ -568,6 +568,7 @@ static int ast_crtc_do_set_base(struct d
}
ast_bo_unreserve(bo);
+ ast_set_offset_reg(crtc);
ast_set_start_address_crt1(crtc, (u32)gpu_addr);
return 0;
Patches currently in stable-queue which might be from yc_chen@xxxxxxxxxxxxxx are
queue-4.14/drm-ast-change-resolution-may-cause-screen-blurred.patch
queue-4.14/drm-ast-fixed-cursor-may-disappear-sometimes.patch
queue-4.14/drm-ast-remove-existing-framebuffers-before-loading-driver.patch
