| Message ID | 20240123171633.246057-12-clamor95@gmail.com |
|---|---|
| State | Accepted |
| Commit | eb817000180261167ef96bfecc939208f9726247 |
| Delegated to: | Anatolij Gustschin |
| Headers | show |
| Series | Add T114 video support | expand |
On Tue Jan 23, 2024 at 6:16 PM CET, Svyatoslav Ryhel wrote: > From: Jonas Schwöbel <jonasschwoebel@yahoo.de> > > Fill the framebuffer memory with zeros to avoid visual glitches. > > Signed-off-by: Jonas Schwöbel <jonasschwoebel@yahoo.de> > Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com> > --- > drivers/video/tegra20/tegra-dc.c | 5 +++++ > 1 file changed, 5 insertions(+) Makes sense: Reviewed-by: Thierry Reding <treding@nvidia.com>
diff --git a/drivers/video/tegra20/tegra-dc.c b/drivers/video/tegra20/tegra-dc.c index ac6833229a..caeec94468 100644 --- a/drivers/video/tegra20/tegra-dc.c +++ b/drivers/video/tegra20/tegra-dc.c @@ -4,6 +4,7 @@ */ #include <backlight.h> +#include <cpu_func.h> #include <dm.h> #include <fdtdec.h> #include <log.h> @@ -398,6 +399,10 @@ static int tegra_lcd_probe(struct udevice *dev) priv->scdiv = dc_plat->scdiv; } + /* Clean the framebuffer area */ + memset((u8 *)plat->base, 0, plat->size); + flush_dcache_all(); + if (tegra_display_probe(priv, (void *)plat->base)) { debug("%s: Failed to probe display driver\n", __func__); return -1;