Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux

[karo-tx-linux.git] / drivers / video / fbmem.c

diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c
index 010d19105ebc4b9651eaf7c53bfd40a90bf36322..7309ac704e2641e410fe75f60278e273348573e3 100644 (file)
--- a/drivers/video/fbmem.c
+++ b/drivers/video/fbmem.c
@@ -1577,10 +1577,10 @@ static bool fb_do_apertures_overlap(struct apertures_struct *gena,
 static int do_unregister_framebuffer(struct fb_info *fb_info);
 
 #define VGA_FB_PHYS 0xA0000
-static void do_remove_conflicting_framebuffers(struct apertures_struct *a,
-                                    const char *name, bool primary)
+static int do_remove_conflicting_framebuffers(struct apertures_struct *a,
+                                             const char *name, bool primary)
 {
-       int i;
+       int i, ret;
 
        /* check all firmware fbs and kick off if the base addr overlaps */
        for (i = 0 ; i < FB_MAX; i++) {
@@ -1599,22 +1599,29 @@ static void do_remove_conflicting_framebuffers(struct apertures_struct *a,
                        printk(KERN_INFO "fb: conflicting fb hw usage "
                               "%s vs %s - removing generic driver\n",
                               name, registered_fb[i]->fix.id);
-                       do_unregister_framebuffer(registered_fb[i]);
+                       ret = do_unregister_framebuffer(registered_fb[i]);
+                       if (ret)
+                               return ret;
                }
        }
+
+       return 0;
 }
 
 static int do_register_framebuffer(struct fb_info *fb_info)
 {
-       int i;
+       int i, ret;
        struct fb_event event;
        struct fb_videomode mode;
 
        if (fb_check_foreignness(fb_info))
                return -ENOSYS;
 
-       do_remove_conflicting_framebuffers(fb_info->apertures, fb_info->fix.id,
-                                        fb_is_primary_device(fb_info));
+       ret = do_remove_conflicting_framebuffers(fb_info->apertures,
+                                                fb_info->fix.id,
+                                                fb_is_primary_device(fb_info));
+       if (ret)
+               return ret;
 
        if (num_registered_fb == FB_MAX)
                return -ENXIO;
@@ -1739,12 +1746,16 @@ int unlink_framebuffer(struct fb_info *fb_info)
 }
 EXPORT_SYMBOL(unlink_framebuffer);
 
-void remove_conflicting_framebuffers(struct apertures_struct *a,
-                                    const char *name, bool primary)
+int remove_conflicting_framebuffers(struct apertures_struct *a,
+                                   const char *name, bool primary)
 {
+       int ret;
+
        mutex_lock(&registration_lock);
-       do_remove_conflicting_framebuffers(a, name, primary);
+       ret = do_remove_conflicting_framebuffers(a, name, primary);
        mutex_unlock(&registration_lock);
+
+       return ret;
 }
 EXPORT_SYMBOL(remove_conflicting_framebuffers);
 
@@ -1930,6 +1941,9 @@ int fb_get_options(const char *name, char **option)
                                options = opt + name_len + 1;
                }
        }
+       /* No match, pass global option */
+       if (!options && option && fb_mode_option)
+               options = kstrdup(fb_mode_option, GFP_KERNEL);
        if (options && !strncmp(options, "off", 3))
                retval = 1;