2002-11-23 07:58:43

by Andreas Oberritter

Subject: [PATCH] recognize ATI M3 & M4 video bios on Dell notebooks

Hi,


This patch makes aty128fb find the video bios on a Latitude C600 (M3)
and Inspiron 8000 (M4).

If you reply, then please CC to me. I am not subscribed to the lkml.

Regards,
Andreas



diff -u -r1.26 aty128fb.c
--- drivers/video/aty128fb.c 2002/11/04 18:51:29 1.26
+++ drivers/video/aty128fb.c 2002/11/23 07:46:58
@@ -2134,9 +2134,12 @@
char *rom_base;
char *rom;
int stage;
- int i;
+ int i,j;
char aty_rom_sig[] = "761295520"; /* ATI ROM Signature */
- char R128_sig[] = "R128"; /* Rage128 ROM identifier */
+ char *R128_sig[] = {
+ "R128", /* Rage128 ROM identifier */
+ "128b"
+ };

for (segstart=0x000c0000; segstart<0x000f0000; segstart+=0x00001000) {
stage = 1;
@@ -2167,10 +2170,14 @@

/* ATI signature found. Let's see if it's a Rage128 */
for (i = 0; (i < 512) && (stage != 4); i++) {
- if (R128_sig[0] == *rom)
- if (strncmp(R128_sig, rom,
- strlen(R128_sig)) == 0)
- stage = 4;
+ for(j = 0;j < sizeof(R128_sig)/sizeof(char *);j++) {
+ if (R128_sig[j][0] == *rom)
+ if (strncmp(R128_sig[j], rom,
+ strlen(R128_sig[j])) == 0) {
+ stage = 4;
+ break;
+ }
+ }
rom++;
}
if (stage != 4) {

2002-12-04 21:20:32

by James Simmons

Subject: Re: [PATCH] recognize ATI M3 & M4 video bios on Dell notebooks

Applied to fbdev BK tree. Thanks.


MS: (n) 1. A debilitating and surprisingly widespread affliction that
renders the sufferer barely able to perform the simplest task. 2. A disease.

James Simmons [[email protected]] ____/|
fbdev/console/gfx developer \ o.O|
http://www.linux-fbdev.org =(_)=
http://linuxgfx.sourceforge.net U
http://linuxconsole.sourceforge.net

On 23 Nov 2002, Andreas Oberritter wrote:

> Hi,
>
>
> This patch makes aty128fb find the video bios on a Latitude C600 (M3)
> and Inspiron 8000 (M4).
>
> If you reply, then please CC to me. I am not subscribed to the lkml.
>
> Regards,
> Andreas
>
>
>
> diff -u -r1.26 aty128fb.c
> --- drivers/video/aty128fb.c 2002/11/04 18:51:29 1.26
> +++ drivers/video/aty128fb.c 2002/11/23 07:46:58
> @@ -2134,9 +2134,12 @@
> char *rom_base;
> char *rom;
> int stage;
> - int i;
> + int i,j;
> char aty_rom_sig[] = "761295520"; /* ATI ROM Signature */
> - char R128_sig[] = "R128"; /* Rage128 ROM identifier */
> + char *R128_sig[] = {
> + "R128", /* Rage128 ROM identifier */
> + "128b"
> + };
>
> for (segstart=0x000c0000; segstart<0x000f0000; segstart+=0x00001000) {
> stage = 1;
> @@ -2167,10 +2170,14 @@
>
> /* ATI signature found. Let's see if it's a Rage128 */
> for (i = 0; (i < 512) && (stage != 4); i++) {
> - if (R128_sig[0] == *rom)
> - if (strncmp(R128_sig, rom,
> - strlen(R128_sig)) == 0)
> - stage = 4;
> + for(j = 0;j < sizeof(R128_sig)/sizeof(char *);j++) {
> + if (R128_sig[j][0] == *rom)
> + if (strncmp(R128_sig[j], rom,
> + strlen(R128_sig[j])) == 0) {
> + stage = 4;
> + break;
> + }
> + }
> rom++;
> }
> if (stage != 4) {
>
>
>
> -
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