Need to call lcdif_power_down to make lcdif in initial state before kernel boot. Similar issue for uboot reset with lcdif enabled, system will hang after serveral times resetting. Need to let lcdif initial state to make all go well.
Signed-off-by: Peng Fan <[email protected]> Cc: Stefano Babic <[email protected]> Cc: Eric Nelson <[email protected]> Cc: Nikita Kiryanov <[email protected]> Cc: Tim Harvey <[email protected]> Cc: Fabio Estevam <[email protected]> --- V3: none V2: none arch/arm/imx-common/cpu.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/arm/imx-common/cpu.c b/arch/arm/imx-common/cpu.c index d3d1fc5..656bb60 100644 --- a/arch/arm/imx-common/cpu.c +++ b/arch/arm/imx-common/cpu.c @@ -279,6 +279,9 @@ void arch_preboot_os(void) /* disable video before launching O/S */ ipuv3_fb_shutdown(); #endif +#if defined(CONFIG_VIDEO_MXS) + lcdif_power_down(); +#endif } void set_chipselect_size(int const cs_size) -- 1.8.4 _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
