Attachment 141762 Details for Bug 108081 – [PATCH] drm/dp/mst: Configure no_stop_bit correctly for remote i2c xfers

[patch] [PATCH] drm/dp/mst: Configure no_stop_bit correctly for remote i2c xfers

0001-drm-dp-mst-Configure-no_stop_bit-correctly-for-remot.patch (text/plain), 1.34 KB, created by Ville Syrjala on 2018-09-27 18:32:03 UTC

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Creator: Ville Syrjala

Created: 2018-09-27 18:32:03 UTC

Size: 1.34 KB

patch

obsolete

>From 89b844518481ae04ca288bd6762748f8d6030384 Mon Sep 17 00:00:00 2001
>From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@linux.intel.com>
>Date: Thu, 27 Sep 2018 21:25:47 +0300
>Subject: [PATCH] drm/dp/mst: Configure no_stop_bit correctly for remote i2c
> xfers
>MIME-Version: 1.0
>Content-Type: text/plain; charset=UTF-8
>Content-Transfer-Encoding: 8bit
>
>Set remote i2c xfer no_stop_bit based on the i2c msg M_STOP flag.
>
>Cc: Brian Vincent <brainn@gmail.com>
>Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=108081
>Signed-off-by: Ville SyrjÃ¤lÃ¤ <ville.syrjala@linux.intel.com>
>---
> drivers/gpu/drm/drm_dp_mst_topology.c | 1 +
> 1 file changed, 1 insertion(+)
>
>diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c
>index 5ff1d79b86c4..3b400eab18a2 100644
>--- a/drivers/gpu/drm/drm_dp_mst_topology.c
>+++ b/drivers/gpu/drm/drm_dp_mst_topology.c
>@@ -3276,6 +3276,7 @@ static int drm_dp_mst_i2c_xfer(struct i2c_adapter *adapter, struct i2c_msg *msgs
> 		msg.u.i2c_read.transactions[i].i2c_dev_id = msgs[i].addr;
> 		msg.u.i2c_read.transactions[i].num_bytes = msgs[i].len;
> 		msg.u.i2c_read.transactions[i].bytes = msgs[i].buf;
>+		msg.u.i2c_read.transactions[i].no_stop_bit = !(msgs[i].flags & I2C_M_STOP);
> 	}
> 	msg.u.i2c_read.read_i2c_device_id = msgs[num - 1].addr;
> 	msg.u.i2c_read.num_bytes_read = msgs[num - 1].len;
>-- 
>2.16.4
>

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Attachments on bug 108081: 141755 | 141756 | 141761 | 141762 | 141766 | 141767 | 141777 | 141780 | 141863

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