diff --git a/common/splash_source.c b/common/splash_source.c index a21ad62..e0defde 100644 --- a/common/splash_source.c +++ b/common/splash_source.c @@ -317,6 +317,11 @@ static int splash_load_fit(struct splash_location *location, u32 bmp_load_addr) return res; img_header = (struct image_header *)bmp_load_addr; + if (image_get_magic(img_header) != FDT_MAGIC) { + printf("Could not find FDT magic\n"); + return -EINVAL; + } + fit_size = fdt_totalsize(img_header); /* Read in entire FIT */ diff --git a/drivers/video/mxc_ipuv3_fb.c b/drivers/video/mxc_ipuv3_fb.c index 0d0a0a9..8836229 100644 --- a/drivers/video/mxc_ipuv3_fb.c +++ b/drivers/video/mxc_ipuv3_fb.c @@ -13,6 +13,7 @@ #include #include +#include #include #include #include @@ -568,8 +569,18 @@ err0: void ipuv3_fb_shutdown(void) { - int i; + struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; struct ipu_stat *stat = (struct ipu_stat *)IPU_STAT; + u32 reg; + int i; + + /* + * Check if IPU clock was enabled before. Won't access + * IPU registers if clock is not enabled. + */ + reg = readl(&mxc_ccm->CCGR3); + if ((reg & MXC_CCM_CCGR3_IPU1_IPU_MASK) == 0) + return; for (i = 0; i < ARRAY_SIZE(mxcfb_info); i++) { struct fb_info *fbi = mxcfb_info[i];