mtd: nand: mxs_nand: add minimal ECC support

[u-boot] / drivers / video / display-uclass.c

diff --git a/drivers/video/display-uclass.c b/drivers/video/display-uclass.c
index 31522eac65a54aa490632d7bb501891cf49cf545..99ef5e76f54bbb7f310a6a366416d723f364c189 100644 (file)
--- a/drivers/video/display-uclass.c
+++ b/drivers/video/display-uclass.c
@@ -1,7 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright 2014 Google Inc.
- *
- * SPDX-License-Identifier:     GPL-2.0+
  */
 
 #include <common.h>
@@ -23,10 +22,19 @@ int display_enable(struct udevice *dev, int panel_bpp,
                        const struct display_timing *timing)
 {
        struct dm_display_ops *ops = display_get_ops(dev);
+       struct display_plat *disp_uc_plat;
+       int ret;
 
        if (!ops || !ops->enable)
                return -ENOSYS;
-       return ops->enable(dev, panel_bpp, timing);
+       ret = ops->enable(dev, panel_bpp, timing);
+       if (ret)
+               return ret;
+
+       disp_uc_plat = dev_get_uclass_platdata(dev);
+       disp_uc_plat->in_use = true;
+
+       return 0;
 }
 
 int display_read_timing(struct udevice *dev, struct display_timing *timing)
@@ -36,6 +44,9 @@ int display_read_timing(struct udevice *dev, struct display_timing *timing)
        u8 buf[EDID_EXT_SIZE];
        int ret;
 
+       if (ops && ops->read_timing)
+               return ops->read_timing(dev, timing);
+
        if (!ops || !ops->read_edid)
                return -ENOSYS;
        ret = ops->read_edid(dev, buf, sizeof(buf));
@@ -45,6 +56,13 @@ int display_read_timing(struct udevice *dev, struct display_timing *timing)
        return edid_get_timing(buf, ret, timing, &panel_bits_per_colour);
 }
 
+bool display_in_use(struct udevice *dev)
+{
+       struct display_plat *disp_uc_plat = dev_get_uclass_platdata(dev);
+
+       return disp_uc_plat->in_use;
+}
+
 UCLASS_DRIVER(display) = {
        .id             = UCLASS_DISPLAY,
        .name           = "display",