[PATCH] m68knommu: cache support for 523x/528x processors
[pandora-kernel.git] / drivers / video / fbmem.c
index 40784a9..70be700 100644 (file)
@@ -62,16 +62,26 @@ int num_registered_fb;
  * Helpers
  */
 
-int fb_get_color_depth(struct fb_var_screeninfo *var)
+int fb_get_color_depth(struct fb_var_screeninfo *var,
+                      struct fb_fix_screeninfo *fix)
 {
-       if (var->green.length == var->blue.length &&
-           var->green.length == var->red.length &&
-           !var->green.offset && !var->blue.offset &&
-           !var->red.offset)
-               return var->green.length;
-       else
-               return (var->green.length + var->red.length +
-                       var->blue.length);
+       int depth = 0;
+
+       if (fix->visual == FB_VISUAL_MONO01 ||
+           fix->visual == FB_VISUAL_MONO10)
+               depth = 1;
+       else {
+               if (var->green.length == var->blue.length &&
+                   var->green.length == var->red.length &&
+                   var->green.offset == var->blue.offset &&
+                   var->green.offset == var->red.offset)
+                       depth = var->green.length;
+               else
+                       depth = var->green.length + var->red.length +
+                               var->blue.length;
+       }
+
+       return depth;
 }
 EXPORT_SYMBOL(fb_get_color_depth);
 
@@ -80,13 +90,7 @@ EXPORT_SYMBOL(fb_get_color_depth);
  */
 void fb_pad_aligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 s_pitch, u32 height)
 {
-       int i;
-
-       for (i = height; i--; ) {
-               memcpy(dst, src, s_pitch);
-               src += s_pitch;
-               dst += d_pitch;
-       }
+       __fb_pad_aligned_buffer(dst, d_pitch, src, s_pitch, height);
 }
 EXPORT_SYMBOL(fb_pad_aligned_buffer);
 
@@ -247,13 +251,18 @@ static void fb_set_logo(struct fb_info *info,
                               const struct linux_logo *logo, u8 *dst,
                               int depth)
 {
-       int i, j, k, fg = 1;
+       int i, j, k;
        const u8 *src = logo->data;
-       u8 d, xor = (info->fix.visual == FB_VISUAL_MONO01) ? 0xff : 0;
+       u8 xor = (info->fix.visual == FB_VISUAL_MONO01) ? 0xff : 0;
+       u8 fg = 1, d;
 
-       if (fb_get_color_depth(&info->var) == 3)
+       if (fb_get_color_depth(&info->var, &info->fix) == 3)
                fg = 7;
 
+       if (info->fix.visual == FB_VISUAL_MONO01 ||
+           info->fix.visual == FB_VISUAL_MONO10)
+               fg = ~((u8) (0xfff << info->var.green.length));
+
        switch (depth) {
        case 4:
                for (i = 0; i < logo->height; i++)
@@ -316,7 +325,7 @@ static struct logo_data {
 
 int fb_prepare_logo(struct fb_info *info)
 {
-       int depth = fb_get_color_depth(&info->var);
+       int depth = fb_get_color_depth(&info->var, &info->fix);
 
        memset(&fb_logo, 0, sizeof(struct logo_data));
 
@@ -626,7 +635,7 @@ fb_pan_display(struct fb_info *info, struct fb_var_screeninfo *var)
 int
 fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var)
 {
-       int err;
+       int err, flags = info->flags;
 
        if (var->activate & FB_ACTIVATE_INV_MODE) {
                struct fb_videomode mode1, mode2;
@@ -680,13 +689,15 @@ fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var)
                            !list_empty(&info->modelist))
                                err = fb_add_videomode(&mode, &info->modelist);
 
-                       if (!err && info->flags & FBINFO_MISC_USEREVENT) {
+                       if (!err && (flags & FBINFO_MISC_USEREVENT)) {
                                struct fb_event event;
+                               int evnt = (var->activate & FB_ACTIVATE_ALL) ?
+                                       FB_EVENT_MODE_CHANGE_ALL :
+                                       FB_EVENT_MODE_CHANGE;
 
                                info->flags &= ~FBINFO_MISC_USEREVENT;
                                event.info = info;
-                               notifier_call_chain(&fb_notifier_list,
-                                                   FB_EVENT_MODE_CHANGE,
+                               notifier_call_chain(&fb_notifier_list, evnt,
                                                    &event);
                        }
                }
@@ -1010,6 +1021,7 @@ register_framebuffer(struct fb_info *fb_info)
 {
        int i;
        struct fb_event event;
+       struct fb_videomode mode;
 
        if (num_registered_fb == FB_MAX)
                return -ENXIO;
@@ -1040,16 +1052,11 @@ register_framebuffer(struct fb_info *fb_info)
        }       
        fb_info->pixmap.offset = 0;
 
-       if (!fb_info->modelist.prev ||
-           !fb_info->modelist.next ||
-           list_empty(&fb_info->modelist)) {
-               struct fb_videomode mode;
-
+       if (!fb_info->modelist.prev || !fb_info->modelist.next)
                INIT_LIST_HEAD(&fb_info->modelist);
-               fb_var_to_videomode(&mode, &fb_info->var);
-               fb_add_videomode(&mode, &fb_info->modelist);
-       }
 
+       fb_var_to_videomode(&mode, &fb_info->var);
+       fb_add_videomode(&mode, &fb_info->modelist);
        registered_fb[i] = fb_info;
 
        devfs_mk_cdev(MKDEV(FB_MAJOR, i),