Signed-off-by: Sascha Hauer <[email protected]>
---
drivers/video/fbconsole.c | 22 ++++++++++++++++++++--
1 file changed, 20 insertions(+), 2 deletions(-)
diff --git a/drivers/video/fbconsole.c b/drivers/video/fbconsole.c
index 01a091d07a..eec524318f 100644
--- a/drivers/video/fbconsole.c
+++ b/drivers/video/fbconsole.c
@@ -1,4 +1,7 @@
// SPDX-License-Identifier: GPL-2.0-only
+
+#define pr_fmt(fmt) "fbconsole: " fmt
+
#include <common.h>
#include <errno.h>
#include <malloc.h>
@@ -564,9 +567,24 @@ int register_fbconsole(struct fb_info *fb)
struct fbc_priv *priv;
struct console_device *cdev;
int ret;
+ const char *fbname;
priv = xzalloc(sizeof(*priv));
+ /*
+ * fbconsoles are usually just numbered and happen to use the same
+ * number as the fb they are registered on, so we have a nice match.
+ * With overlays we can also have fb names like fb0_0 (for the first
+ * overlay on fb0), and we want to have this name in the corresponding
+ * fbconsole. Skip the "fb" though to keep the existing fbconsole name
+ * for the non overlay framebuffers for compatibility.
+ */
+ fbname = dev_name(&fb->dev);
+ if (strncmp(fbname, "fb", 2))
+ pr_notice("unexpected fb name %s\n", fbname);
+ else
+ fbname += 2;
+
priv->fb = fb;
priv->x = 0;
priv->y = 0;
@@ -578,8 +596,8 @@ int register_fbconsole(struct fb_info *fb)
cdev->tstc = fbc_tstc;
cdev->putc = fbc_putc;
cdev->getc = fbc_getc;
- cdev->devname = "fbconsole";
- cdev->devid = DEVICE_ID_DYNAMIC;
+ cdev->devname = basprintf("fbconsole%s", fbname);
+ cdev->devid = DEVICE_ID_SINGLE;
cdev->open = fbc_open;
cdev->close = fbc_close;
--
2.39.5
