On 9/18/2023 5:58 AM, John Watts wrote:
The panel needs us to wait 120ms between exiting and entering sleep.
Guarantee that by always waiting 150ms before entering sleep mode.
Hi John,
Same question as the last patch -- is this a fix for something?
Thanks,
Jessica Zhang
Signed-off-by: John Watts <contact@xxxxxxxxxx>
---
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
