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 Peng.Fan@freescale.com Cc: Stefano Babic sbabic@denx.de Cc: Eric Nelson eric.nelson@boundarydevices.com Cc: Nikita Kiryanov nikita@compulab.co.il Cc: Tim Harvey tharvey@gateworks.com Cc: Fabio Estevam fabio.estevam@freescale.com --- 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 e27546c..f379b98 100644 --- a/arch/arm/imx-common/cpu.c +++ b/arch/arm/imx-common/cpu.c @@ -262,6 +262,9 @@ 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)