linux-kernel - [PATCH 5.10 46/98] drm/mediatek: Fix aal size config

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Message-Id: <20210824165908.709932-47-sashal@kernel.org>
Date:   Tue, 24 Aug 2021 12:58:16 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Yongqiang Niu <yongqiang.niu@...iatek.com>,
        Chun-Kuang Hu <chunkuang.hu@...nel.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.10 46/98] drm/mediatek: Fix aal size config

From: Yongqiang Niu <yongqiang.niu@...iatek.com>

[ Upstream commit 71dcadba34203d8dd35152e368720f977e9cdb81 ]

The orginal setting is not correct, fix it to follow hardware data sheet.
If keep this error setting, mt8173/mt8183 display ok
but mt8192 display abnormal.

Fixes: 0664d1392c26 ("drm/mediatek: Add AAL engine basic function")

Signed-off-by: Yongqiang Niu <yongqiang.niu@...iatek.com>
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
index 3064eac1a750..fe58edcf57b5 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
@@ -180,7 +180,7 @@ static void mtk_aal_config(struct mtk_ddp_comp *comp, unsigned int w,
 			   unsigned int h, unsigned int vrefresh,
 			   unsigned int bpc, struct cmdq_pkt *cmdq_pkt)
 {
-	mtk_ddp_write(cmdq_pkt, h << 16 | w, comp, DISP_AAL_SIZE);
+	mtk_ddp_write(cmdq_pkt, w << 16 | h, comp, DISP_AAL_SIZE);
 }
 
 static void mtk_aal_start(struct mtk_ddp_comp *comp)
-- 
2.30.2