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