---

yaml
---
r: 15104
b: refs/heads/master
c: 39942fd
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 4e1567d3aad9bae0ecc5bb047179cd026bfb035c
+refs/heads/master: 39942fd8ff57c8623451bbfaffe8a184cc8b463a

trunk/drivers/video/console/fbcon.c

@@ -2103,7 +2103,8 @@ static int fbcon_switch(struct vc_data *vc)
 	fb_set_var(info, &var);
 	ops->var = info->var;
 
-	if (old_info != NULL && old_info != info) {
+	if (old_info != NULL && (old_info != info ||
+				 info->flags & FBINFO_MISC_ALWAYS_SETPAR)) {
 		if (info->fbops->fb_set_par)
 			info->fbops->fb_set_par(info);
 		fbcon_del_cursor_timer(old_info);

trunk/include/linux/fb.h

@@ -732,6 +732,18 @@ struct fb_tile_ops {
 						  from userspace */
 #define FBINFO_MISC_TILEBLITTING       0x20000 /* use tile blitting */
 
+/* A driver may set this flag to indicate that it does want a set_par to be
+ * called every time when fbcon_switch is executed. The advantage is that with
+ * this flag set you can really be shure that set_par is always called before
+ * any of the functions dependant on the correct hardware state or altering
+ * that state, even if you are using some broken X releases. The disadvantage
+ * is that it introduces unwanted delays to every console switch if set_par
+ * is slow. It is a good idea to try this flag in the drivers initialization
+ * code whenever there is a bug report related to switching between X and the
+ * framebuffer console.
+ */
+#define FBINFO_MISC_ALWAYS_SETPAR   0x40000
+
 struct fb_info {
 	int node;
 	int flags;