On Fri, 17 Nov 2006 20:08:47 +0000 (GMT)
James Simmons <[EMAIL PROTECTED]> wrote:

> Who knows how many drivers get this wrong. BTW Jordan is right. 
> DEFAULT_MODEDB_INDEX is unless. Also we don't need dbsize anymore. 
> Jordan did point out a error in fb_find_mode. It should be
> 
>       if (!db)
>           db = modedb;
>       dbsize = ARRAY_SIZE(modedb);
> 
>       if (!default_mode)
>           default_mode = &db[DEFAULT_MODEDB_INDEX];
>       if (!default_bpp)
>           default_bpp = 8;
> 
> db will always be set.

I think we do need dbsize, and that the code which I have now:

int fb_find_mode(struct fb_var_screeninfo *var,
                 struct fb_info *info, const char *mode_option,
                 const struct fb_videomode *db, unsigned int dbsize,
                 const struct fb_videomode *default_mode,
                 unsigned int default_bpp)
{
    int i;

    /* Set up defaults */
    if (!db) {
        db = modedb;
        dbsize = ARRAY_SIZE(modedb);
    }

    if (!default_mode)
        default_mode = &db[0];

    if (!default_bpp)
        default_bpp = 8;


is appropriate?


Here's the current version of this monster patch:

From: Jordan Crouse <[EMAIL PROTECTED]>

If no default mode is specified, it should be grabbed from the supplied
database, not the default one.

[EMAIL PROTECTED]: fix it]
[EMAIL PROTECTED]: simplify it]
[EMAIL PROTECTED]: remove pointless DEFAULT_MODEDB_INDEX]
Signed-off-by: Jordan Crouse <[EMAIL PROTECTED]>
Cc: Geert Uytterhoeven <[EMAIL PROTECTED]>
Cc: "Antonino A. Daplas" <[EMAIL PROTECTED]>
Signed-off-by: Tero Roponen <[EMAIL PROTECTED]>
Cc: James Simmons <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
---

 drivers/video/modedb.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff -puN 
drivers/video/modedb.c~video-get-the-default-mode-from-the-right-database 
drivers/video/modedb.c
--- a/drivers/video/modedb.c~video-get-the-default-mode-from-the-right-database
+++ a/drivers/video/modedb.c
@@ -34,8 +34,6 @@ const char *global_mode_option;
      *  Standard video mode definitions (taken from XFree86)
      */
 
-#define DEFAULT_MODEDB_INDEX   0
-
 static const struct fb_videomode modedb[] = {
     {
        /* 640x400 @ 70 Hz, 31.5 kHz hsync */
@@ -505,8 +503,10 @@ int fb_find_mode(struct fb_var_screeninf
        db = modedb;
        dbsize = ARRAY_SIZE(modedb);
     }
+
     if (!default_mode)
-       default_mode = &modedb[DEFAULT_MODEDB_INDEX];
+       default_mode = &db[0];
+
     if (!default_bpp)
        default_bpp = 8;
 
_

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to