diff options
-rw-r--r-- | drivers/video/fsl-diu-fb.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/video/fsl-diu-fb.c b/drivers/video/fsl-diu-fb.c index a16beeb5f548..b7f6485ee091 100644 --- a/drivers/video/fsl-diu-fb.c +++ b/drivers/video/fsl-diu-fb.c @@ -446,7 +446,10 @@ static enum fsl_diu_monitor_port fsl_diu_name_to_port(const char *s) port = FSL_DIU_PORT_DLVDS; } - return diu_ops.valid_monitor_port(port); + if (diu_ops.valid_monitor_port) + port = diu_ops.valid_monitor_port(port); + + return port; } /** @@ -1759,6 +1762,14 @@ static int __init fsl_diu_init(void) #else monitor_port = fsl_diu_name_to_port(monitor_string); #endif + + /* + * Must to verify set_pixel_clock. If not implement on platform, + * then that means that there is no platform support for the DIU. + */ + if (!diu_ops.set_pixel_clock) + return -ENODEV; + pr_info("Freescale Display Interface Unit (DIU) framebuffer driver\n"); #ifdef CONFIG_NOT_COHERENT_CACHE |