linux-kernel - [PATCH v7 1/3] drm/dsi: transer dsi hs packet aligned

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Message-ID: <20210915223117.7857-2-jitao.shi@mediatek.com>
Date:   Thu, 16 Sep 2021 06:31:15 +0800
From:   Jitao Shi <jitao.shi@...iatek.com>
To:     Chun-Kuang Hu <chunkuang.hu@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        David Airlie <airlied@...ux.ie>,
        <dri-devel@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>
CC:     <linux-mediatek@...ts.infradead.org>,
        <linux-arm-kernel@...ts.infradead.org>, <ck.hu@...iatek.com>,
        <stonea168@....com>, <huijuan.xie@...iatek.com>,
        <rex-bc.chen@...iatek.com>, <shuijing.li@...iatek.com>,
        Jitao Shi <jitao.shi@...iatek.com>
Subject: [PATCH v7 1/3] drm/dsi: transer dsi hs packet aligned

Some DSI devices reqire the hs packet starting and ending
at same time on all dsi lanes. So use a flag to those devices.

Signed-off-by: Jitao Shi <jitao.shi@...iatek.com>
---
 include/drm/drm_mipi_dsi.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/drm/drm_mipi_dsi.h b/include/drm/drm_mipi_dsi.h
index af7ba8071eb0..8e8563792682 100644
--- a/include/drm/drm_mipi_dsi.h
+++ b/include/drm/drm_mipi_dsi.h
@@ -177,6 +177,7 @@ struct mipi_dsi_device_info {
  * @lp_rate: maximum lane frequency for low power mode in hertz, this should
  * be set to the real limits of the hardware, zero is only accepted for
  * legacy drivers
+ * @hs_packet_end_aligned: transfer dsi hs packet ending aligned
  */
 struct mipi_dsi_device {
 	struct mipi_dsi_host *host;
@@ -189,6 +190,7 @@ struct mipi_dsi_device {
 	unsigned long mode_flags;
 	unsigned long hs_rate;
 	unsigned long lp_rate;
+	bool hs_packet_end_aligned;
 };
 
 #define MIPI_DSI_MODULE_PREFIX "mipi-dsi:"
-- 
2.25.1