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Message-Id: <20210301161214.434295092@linuxfoundation.org>
Date: Mon, 1 Mar 2021 17:07:07 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org, Yongqiang Niu <yongqiang.niu@...iatek.com>,
Chun-Kuang Hu <chunkuang.hu@...nel.org>,
Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.11 259/775] drm/mediatek: Fix aal size config
[ 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 | 4 +++-
1 file changed, 3 insertions(+), 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 3064eac1a7507..7fcb717f256c9 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
@@ -180,7 +180,9 @@ 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);
+ struct mtk_ddp_comp_dev *priv = dev_get_drvdata(comp->dev);
+
+ mtk_ddp_write(cmdq_pkt, w << 16 | h, &priv->cmdq_reg, priv->regs, DISP_AAL_SIZE);
}
static void mtk_aal_start(struct mtk_ddp_comp *comp)
--
2.27.0
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