lkml.org 
[lkml]   [2023]   [Sep]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[RFC PATCH 4/8] drm/panel: nv3052c: Wait before entering sleep mode
Date
The panel needs us to wait 120ms between exiting and entering sleep.
Guarantee that by always waiting 150ms before entering sleep mode.

Signed-off-by: John Watts <contact@jookia.org>
---
drivers/gpu/drm/panel/panel-newvision-nv3052c.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/panel/panel-newvision-nv3052c.c b/drivers/gpu/drm/panel/panel-newvision-nv3052c.c
index 2526b123b1f5..307335d0f1fc 100644
--- a/drivers/gpu/drm/panel/panel-newvision-nv3052c.c
+++ b/drivers/gpu/drm/panel/panel-newvision-nv3052c.c
@@ -289,6 +289,9 @@ static int nv3052c_unprepare(struct drm_panel *panel)
struct mipi_dbi *dbi = &priv->dbi;
int err;

+ /* Wait 150ms in case we just exited sleep mode */
+ msleep(150);
+
err = mipi_dbi_command(dbi, MIPI_DCS_ENTER_SLEEP_MODE);
if (err)
dev_err(priv->dev, "Unable to enter sleep mode: %d\n", err);
--
2.42.0
\
 
 \ /
  Last update: 2023-09-11 23:45    [W:0.673 / U:0.040 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site