linux-kernel - [PATCH v2] drm/mediatek: fix a typo

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Message-ID: <1476779039-28963-1-git-send-email-bibby.hsieh@mediatek.com>
Date:   Tue, 18 Oct 2016 16:23:59 +0800
From:   Bibby Hsieh <bibby.hsieh@...iatek.com>
To:     David Airlie <airlied@...ux.ie>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Daniel Vetter <daniel.vetter@...ll.ch>,
        <dri-devel@...ts.freedesktop.org>,
        <linux-mediatek@...ts.infradead.org>
CC:     Yingjoe Chen <yingjoe.chen@...iatek.com>,
        Cawa Cheng <cawa.cheng@...iatek.com>,
        Daniel Kurtz <djkurtz@...omium.org>,
        Bibby Hsieh <bibby.hsieh@...iatek.com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        YT Shen <yt.shen@...iatek.com>,
        Thierry Reding <thierry.reding@...il.com>,
        CK Hu <ck.hu@...iatek.com>, Mao Huang <littlecvr@...omium.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        Sascha Hauer <kernel@...gutronix.de>
Subject: [PATCH v2] drm/mediatek: fix a typo

If we want to set the hardware OD to relay mode,
we have to set OD_CFG register rather than
OD_RELAYMODE; otherwise, the system will access
the wrong address.

Fixes: 7216436420414144646f5d8343d061355fd23483 ("drm/mediatek: set mt8173 dithering function")
Cc: stable@...r.kernel.org # v4.9+
Signed-off-by: Bibby Hsieh <bibby.hsieh@...iatek.com>
---
 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 df33b3c..aa5f20f 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
@@ -123,7 +123,7 @@ static void mtk_od_config(struct mtk_ddp_comp *comp, unsigned int w,
 			  unsigned int bpc)
 {
 	writel(w << 16 | h, comp->regs + DISP_OD_SIZE);
-	writel(OD_RELAYMODE, comp->regs + OD_RELAYMODE);
+	writel(OD_RELAYMODE, comp->regs + OD_CFG);
 	mtk_dither_set(comp, bpc, DISP_OD_CFG);
 }
 
-- 
1.7.9.5