linux-kernel - [PATCH v2, 10/17] drm/mediatek: fix aal size config

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Date:   Sat, 12 Dec 2020 12:11:50 +0800
From:   Yongqiang Niu <yongqiang.niu@...iatek.com>
To:     CK Hu <ck.hu@...iatek.com>, Philipp Zabel <p.zabel@...gutronix.de>,
        "Rob Herring" <robh+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>
CC:     David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>,
        "Mark Rutland" <mark.rutland@....com>,
        <dri-devel@...ts.freedesktop.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        Yongqiang Niu <yongqiang.niu@...iatek.com>
Subject: [PATCH v2, 10/17] drm/mediatek: fix aal size config

fix aal size config

Fixes: 0664d1392c26 (drm/mediatek: Add AAL engine basic function)
Signed-off-by: Yongqiang Niu <yongqiang.niu@...iatek.com>
---
 drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 11 ++++++++++-
 1 file changed, 10 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 be61d11..e7d481e0 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
@@ -33,8 +33,13 @@
 #define DISP_REG_UFO_START			0x0000
 
 #define DISP_AAL_EN				0x0000
+#define DISP_AAL_CFG				0x0020
+#define AAL_RELAY_MODE					BIT(0)
+#define AAL_ENGINE_EN					BIT(1)
 #define DISP_AAL_SIZE				0x0030
 
+#define DISP_AAL_OUTPUT_SIZE			0x04d8
+
 #define DISP_CCORR_EN				0x0000
 #define CCORR_EN				BIT(0)
 #define DISP_CCORR_CFG				0x0020
@@ -184,7 +189,11 @@ 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);
+	mtk_ddp_write(cmdq_pkt, w << 16 | h, comp, DISP_AAL_OUTPUT_SIZE);
+
+	mtk_ddp_write_mask(NULL, AAL_RELAY_MODE, comp, DISP_AAL_CFG,
+			   AAL_RELAY_MODE | AAL_ENGINE_EN);
 }
 
 static void mtk_aal_start(struct mtk_ddp_comp *comp)
-- 
1.8.1.1.dirty