Commit f1c32bab authored Oct 03, 2018 by Y.C. Chen Committed by Greg Kroah-Hartman Dec 01, 2018

drm/ast: change resolution may cause screen blurred



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@aspeedtech.com>
Cc: <stable@vger.kernel.org>
Tested-by: Jean Delvare <jdelvare@suse.de>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 789c6944

drivers/gpu/drm/ast/ast_mode.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -545,6 +545,7 @@ static int ast_crtc_do_set_base(struct drm_crtc *crtc,
		}
		ast_bo_unreserve(bo);

		ast_set_offset_reg(crtc);
		ast_set_start_address_crt1(crtc, (u32)gpu_addr);

		return 0;