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From: "Y.C. Chen" <yacheng600221@gmail.com>
To: dri-devel@lists.freedesktop.org
Cc: airlied@redhat.com, eich@suse.com, yc_chen@aspeedtech.com,
	stable@vger.kernel.org, daniel@ffwll.ch
Subject: [PATCH] drm/ast: change resolution may cause screen blurred
Date: Wed,  3 Oct 2018 14:57:47 +0800	[thread overview]
Message-ID: <1538549867-1014-1-git-send-email-yc_chen@aspeedtech.com> (raw)

From: "Y.C. Chen" <yc_chen@aspeedtech.com>

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>
---
 drivers/gpu/drm/ast/ast_mode.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c
index 5e77d45..f06aae7 100644
--- 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 drm_crtc *crtc,
 	}
 	ast_bo_unreserve(bo);
 
+	ast_set_offset_reg(crtc);
 	ast_set_start_address_crt1(crtc, (u32)gpu_addr);
 
 	return 0;
-- 
1.8.3.1

             reply	other threads:[~2018-10-03 13:45 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-03  6:57 Y.C. Chen [this message]
2018-10-03  9:22 ` [PATCH] drm/ast: change resolution may cause screen blurred Daniel Vetter
2018-11-21 14:49 ` Jean Delvare

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