linux-kernel - [PATCH AUTOSEL 4.19 17/87] drm/ast: Fixed 1920x1080 sync. polarity issue

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Message-Id: <20201223022103.2792705-17-sashal@kernel.org>
Date:   Tue, 22 Dec 2020 21:19:53 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     KuoHsiang Chou <kuohsiang_chou@...eedtech.com>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Sasha Levin <sashal@...nel.org>,
        dri-devel@...ts.freedesktop.org
Subject: [PATCH AUTOSEL 4.19 17/87] drm/ast: Fixed 1920x1080 sync. polarity issue

From: KuoHsiang Chou <kuohsiang_chou@...eedtech.com>

[ Upstream commit 2d26123dd9075df82f217364f585a3a6aab5412d ]

[Bug] Change the vertical synchroous polary of 1920x1080 @60Hz
      from  Negtive to Positive

Signed-off-by: KuoHsiang Chou <kuohsiang_chou@...eedtech.com>
Signed-off-by: Thomas Zimmermann <tzimmermann@...e.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20201105094729.106059-1-kuohsiang_chou@aspeedtech.com
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/gpu/drm/ast/ast_tables.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/ast/ast_tables.h b/drivers/gpu/drm/ast/ast_tables.h
index d665dd5af5dd8..dbe1cc620f6e6 100644
--- a/drivers/gpu/drm/ast/ast_tables.h
+++ b/drivers/gpu/drm/ast/ast_tables.h
@@ -293,10 +293,10 @@ static const struct ast_vbios_enhtable res_1600x900[] = {
 
 static const struct ast_vbios_enhtable res_1920x1080[] = {
 	{2200, 1920, 88, 44, 1125, 1080, 4, 5, VCLK148_5,	/* 60Hz */
-	 (SyncNP | Charx8Dot | LineCompareOff | WideScreenMode | NewModeInfo |
+	 (SyncPP | Charx8Dot | LineCompareOff | WideScreenMode | NewModeInfo |
 	  AST2500PreCatchCRT), 60, 1, 0x38 },
 	{2200, 1920, 88, 44, 1125, 1080, 4, 5, VCLK148_5,	/* 60Hz */
-	 (SyncNP | Charx8Dot | LineCompareOff | WideScreenMode | NewModeInfo |
+	 (SyncPP | Charx8Dot | LineCompareOff | WideScreenMode | NewModeInfo |
 	  AST2500PreCatchCRT), 0xFF, 1, 0x38 },
 };
 
-- 
2.27.0