From: Jitao Shi <jitao.shi@mediatek.com>
To: Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Matthias Brugger <matthias.bgg@gmail.com>,
Daniel Vetter <daniel@ffwll.ch>, David Airlie <airlied@linux.ie>,
<dri-devel@lists.freedesktop.org>, <linux-kernel@vger.kernel.org>
Cc: <linux-mediatek@lists.infradead.org>,
<devicetree@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<srv_heupstream@mediatek.com>, <yingjoe.chen@mediatek.com>,
<eddie.huang@mediatek.com>, <cawa.cheng@mediatek.com>,
<bibby.hsieh@mediatek.com>, <ck.hu@mediatek.com>,
<stonea168@163.com>, <huijuan.xie@mediatek.com>,
Jitao Shi <jitao.shi@mediatek.com>
Subject: [PATCH v2 1/2] drm/mediatek: dsi: Fix EoTp flag
Date: Mon, 1 Feb 2021 11:36:02 +0800 [thread overview]
Message-ID: <20210201033603.12616-2-jitao.shi@mediatek.com> (raw)
In-Reply-To: <20210201033603.12616-1-jitao.shi@mediatek.com>
SoC will transmit the EoTp (End of Transmission packet) when
MIPI_DSI_MODE_EOT_PACKET flag is set.
Signed-off-by: Jitao Shi <jitao.shi@mediatek.com>
---
drivers/gpu/drm/mediatek/mtk_dsi.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c
index 65fd99c528af..2bc46f2350f1 100644
--- a/drivers/gpu/drm/mediatek/mtk_dsi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dsi.c
@@ -401,8 +401,11 @@ static void mtk_dsi_rxtx_control(struct mtk_dsi *dsi)
break;
}
- tmp_reg |= (dsi->mode_flags & MIPI_DSI_CLOCK_NON_CONTINUOUS) << 6;
- tmp_reg |= (dsi->mode_flags & MIPI_DSI_MODE_EOT_PACKET) >> 3;
+ if (dsi->mode_flags & MIPI_DSI_CLOCK_NON_CONTINUOUS)
+ tmp_reg |= HSTX_CKLP_EN;
+
+ if (!(dsi->mode_flags & MIPI_DSI_MODE_EOT_PACKET))
+ tmp_reg |= DIS_EOT;
writel(tmp_reg, dsi->regs + DSI_TXRX_CTRL);
}
--
2.12.5
next prev parent reply other threads:[~2021-02-01 3:37 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-01 3:36 [PATCH v2 0/2] Fix EoTp flag Jitao Shi
2021-02-01 3:36 ` Jitao Shi [this message]
2021-03-07 0:28 ` [PATCH v2 1/2] drm/mediatek: dsi: " Chun-Kuang Hu
2021-02-01 3:36 ` [PATCH v2 2/2] drm/mediatek: dsi: fine tune the line time cause by EOTp Jitao Shi
2021-03-07 0:30 ` Chun-Kuang Hu
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