SMARC-sAMX6i / Bootloader Operation
> setenv panel off
Disable LVDS output
> setenv panel
Outputs the bootlogo on LVDS in panel resolution 800×480 shipping default (variable unset)
To save the setting for the next boot, please save your environment with
> saveenv
The bootlogo can be not exchanged to another bitmap.
5.10 Panel Control
Support for various type of panel by setting environmental variable “panel”. List of supported panels:
» LCD_800x480@LVDS (default)
» LCD_320x240@LVDS
» LCD_480x272@LVDS
» LCD_480x320@LVDS
» LCD_640x480@LVDS
» LCD_800x600@LVDS
» LCD_960x640@LVDS
» LCD_1024x576@LVDS
» LCD_1024x600@LVDS
» LCD_1024x768@LVDS
» LCD_1152x768@LVDS
» LCD_1152x864@LVDS
» LCD_1280x720@LVDS
» LCD_1280x768@LVDS
» LCD_1280x800@LVDS
» LCD_1280x1024@LVDS
» LCD_1360x768@LVDS
» LCD_1366x768@LVDS
» user
With using variable “panel_lvds_clk” - clock on LVDS bus in [MHz] can be adjusted value of a LVDS clock. In case of user
mode i.e. “panel=user” resolution of the display can be adjusted with using variables:
» panel_x_res > horizontal resolution in [pixels]
» panel_y_res vertical resolutions in [pixels]
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