From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peng Fan Date: Thu, 29 Oct 2015 15:54:51 +0800 Subject: [U-Boot] [PATCH V3 14/16] imx: imx-common: power down lcdif before boot os In-Reply-To: <1446105293-31775-1-git-send-email-Peng.Fan@freescale.com> References: <1446105293-31775-1-git-send-email-Peng.Fan@freescale.com> Message-ID: <1446105293-31775-14-git-send-email-Peng.Fan@freescale.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de 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 Cc: Stefano Babic Cc: Eric Nelson Cc: Nikita Kiryanov Cc: Tim Harvey Cc: Fabio Estevam --- 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