diff options
| author | Svyatoslav Ryhel <clamor95@gmail.com> | 2023-03-27 11:11:46 +0300 |
|---|---|---|
| committer | Anatolij Gustschin <agust@denx.de> | 2023-04-07 19:47:01 +0200 |
| commit | b450c6c7e3cce2663cb9f03f0adc8d7539090906 (patch) | |
| tree | 693afbcf5d5096655196a68a17ed216b2fb1919b | |
| parent | 8076cc51fb6948da0aba187415183a243302cfff (diff) | |
| download | u-boot-b450c6c7e3cce2663cb9f03f0adc8d7539090906.zip u-boot-b450c6c7e3cce2663cb9f03f0adc8d7539090906.tar.gz u-boot-b450c6c7e3cce2663cb9f03f0adc8d7539090906.tar.bz2 | |
video: tegra-dc: add panel_set_backlight call
Tegra DC driver does not call panel_set_backlight, which can
result in absence of backlight on device. Fix this by calling
panel_set_backlight with BACKLIGHT_DEFAULT just after
panel_enable_backlight.
Tested-by: Robert Eckelmann <longnoserob@gmail.com> # ASUS TF101 T20
Tested-by: Nicolas Chauvet <kwizart@gmail.com> # Paz00
Tested-by: Andreas Westman Dorcsak <hedmoo@yahoo.com> # ASUS TF T30
Tested-by: Svyatoslav Ryhel <clamor95@gmail.com> # LG P895 T30
Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
| -rw-r--r-- | drivers/video/tegra20/tegra-dc.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/video/tegra20/tegra-dc.c b/drivers/video/tegra20/tegra-dc.c index e279650..00462fa 100644 --- a/drivers/video/tegra20/tegra-dc.c +++ b/drivers/video/tegra20/tegra-dc.c @@ -4,6 +4,7 @@ */ #include <common.h> +#include <backlight.h> #include <dm.h> #include <fdtdec.h> #include <log.h> @@ -345,6 +346,12 @@ static int tegra_lcd_probe(struct udevice *dev) return ret; } + ret = panel_set_backlight(priv->panel, BACKLIGHT_DEFAULT); + if (ret) { + debug("%s: Cannot set backlight to default, ret=%d\n", __func__, ret); + return ret; + } + mmu_set_region_dcache_behaviour(priv->frame_buffer, plat->size, DCACHE_WRITETHROUGH); |