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[PATCH] savagefb: Fix load failure of the Twister chipset

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- The Twister chipsets are actually prosavages.  Reclassify them as
  such and remove the S3_SAVAGE_TWISTER id.
- Fix i2c code if fb_firmware_edid() returns NULL

Signed-off-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Antonino A. Daplas 2005-09-15 20:58:57 +08:00 committed by Linus Torvalds
parent be201f7f4c
commit 7b6a186d65
3 changed files with 12 additions and 14 deletions
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11
drivers/video/savage/savagefb-i2c.c
View File

@ -274,10 +274,13 @@ int savagefb_probe_i2c_connector(struct fb_info *info, u8 **out_edid)
if (!edid) {
/* try to get from firmware */
edid = kmalloc(EDID_LENGTH, GFP_KERNEL);
if (edid)
memcpy(edid, fb_firmware_edid(info->device),
EDID_LENGTH);
const u8 *e = fb_firmware_edid(info->device);
if (e) {
edid = kmalloc(EDID_LENGTH, GFP_KERNEL);
if (edid)
memcpy(edid, e, EDID_LENGTH);
}
}
if (out_edid)

4
drivers/video/savage/savagefb.h
View File

@ -60,8 +60,6 @@
#define S3_SAVAGE_SERIES(chip) ((chip>=S3_SAVAGE3D) && (chip<=S3_SAVAGE2000))
#define S3_MOBILE_TWISTER_SERIES(chip) ((chip==S3_TWISTER) || (chip == S3_PROSAVAGEDDR))
/* Chip tags. These are used to group the adapters into
* related families.
*/
@ -74,8 +72,6 @@ typedef enum {
S3_PROSAVAGE,
S3_SUPERSAVAGE,
S3_SAVAGE2000,
S3_PROSAVAGEDDR,
S3_TWISTER,
S3_LAST
} savage_chipset;

11
drivers/video/savage/savagefb_driver.c
View File

@ -1773,8 +1773,7 @@ static int __devinit savage_init_hw (struct savagefb_par *par)
}
}
if (S3_SAVAGE_MOBILE_SERIES(par->chip) ||
(S3_MOBILE_TWISTER_SERIES(par->chip) && !par->crtonly))
if (S3_SAVAGE_MOBILE_SERIES(par->chip) && !par->crtonly)
par->display_type = DISP_LCD;
else if (dvi || (par->chip == S3_SAVAGE4 && par->dvi))
par->display_type = DISP_DFP;
@ -1783,7 +1782,7 @@ static int __devinit savage_init_hw (struct savagefb_par *par)
/* Check LCD panel parrmation */
if (par->chip == S3_SAVAGE_MX) {
if (par->display_type == DISP_LCD) {
unsigned char cr6b = VGArCR( 0x6b );
int panelX = (VGArSEQ (0x61) +
@ -1922,15 +1921,15 @@ static int __devinit savage_init_fb_info (struct fb_info *info,
snprintf (info->fix.id, 16, "ProSavageKM");
break;
case FB_ACCEL_S3TWISTER_P:
par->chip = S3_TWISTER;
par->chip = S3_PROSAVAGE;
snprintf (info->fix.id, 16, "TwisterP");
break;
case FB_ACCEL_S3TWISTER_K:
par->chip = S3_TWISTER;
par->chip = S3_PROSAVAGE;
snprintf (info->fix.id, 16, "TwisterK");
break;
case FB_ACCEL_PROSAVAGE_DDR:
par->chip = S3_PROSAVAGEDDR;
par->chip = S3_PROSAVAGE;
snprintf (info->fix.id, 16, "ProSavageDDR");
break;
case FB_ACCEL_PROSAVAGE_DDRK: