[PATCH v6 18/18] video: tegra20: dsi: use set_backlight for backlight only

Svyatoslav Ryhel
2024-01-23T17:20:18Z

From: Jonas Schwöbel <jonasschwoebel@yahoo.de>

Shift the backlight set further to prevent visual glitches on
panel init.

Signed-off-by: Jonas Schwöbel <jonasschwoebel@yahoo.de>
Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
---
drivers/video/tegra20/tegra-dsi.c | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/video/tegra20/tegra-dsi.c b/drivers/video/tegra20/tegra-dsi.c
index 7d63557d1b..13dae37806 100644
--- a/drivers/video/tegra20/tegra-dsi.c
+++ b/drivers/video/tegra20/tegra-dsi.c
@@ -766,10 +766,6 @@ static int tegra_dsi_encoder_enable(struct udevice *dev)
if (ret)
return ret;

- ret = panel_set_backlight(priv->panel, BACKLIGHT_DEFAULT);
- if (ret)
- return ret;
-
tegra_dsi_configure(dev, device->mode_flags);

tegra_dc_enable_controller(dev);
@@ -784,8 +780,10 @@ static int tegra_dsi_encoder_enable(struct udevice *dev)

static int tegra_dsi_bridge_set_panel(struct udevice *dev, int percent)
{
- /* Is not used in tegra dc */
- return 0;
+ struct tegra_dsi_priv *priv = dev_get_priv(dev);
+
+ /* Turn on/off backlight */
+ return panel_set_backlight(priv->panel, percent);
}

static int tegra_dsi_panel_timings(struct udevice *dev,
--
2.40.1