Commit 1a37bd82 authored Oct 03, 2018 by Y.C. Chen Committed by Dave Airlie Nov 22, 2018

drm/ast: change resolution may cause screen blurred



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>

parent 5478ad10

drivers/gpu/drm/ast/ast_mode.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -568,6 +568,7 @@ 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;

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