Re: 2.4.20 AGP for I845 wrong ?

From: Nicolas ASPERT (Nicolas.Aspert@epfl.ch)
Date: Wed Dec 11 2002 - 07:07:45 EST


Margit Schubert-While wrote:
> From drivers/char/agp/agpgart_be.c
> 4554,4559
> { PCI_DEVICE_ID_INTEL_845_G_0,
> PCI_VENDOR_ID_INTEL,
> INTEL_I845_G,
> "Intel",
> "i845G",
> intel_830mp_setup },
>
> Surely this is wrong or ?
> Should be "intel_845_setup", I think.
>

IIRC, the 845G is a "new" version of the 830MP chipset (it had been
added by Abraham vd Merwe & Graeme Fisher some months ago), but acts
basically just as the 830MP. Therefore the entry is correct.... Or maybe
if it gets confusing adding a comment would not hurt...

>
> Also in drivers/char/drm/drm_agpsupport.h, the switch statement at 262
> is missing the
> cases for INTEL_I830_M, INTEL_I845_G.

That's true. It is also missing in 2.5.51.
I attach two patches, one for 2.4.21-pre1 and one for 2.5.51 that should
fix this.

Regards

Nicolas.

diff -ru linux-2.4.21-pre1.clean/drivers/char/drm/drm_agpsupport.h linux-2.4.21-pre1/drivers/char/drm/drm_agpsupport.h
--- linux-2.4.21-pre1.clean/drivers/char/drm/drm_agpsupport.h Wed Dec 11 12:36:58 2002
+++ linux-2.4.21-pre1/drivers/char/drm/drm_agpsupport.h Wed Dec 11 12:42:34 2002
@@ -267,8 +267,10 @@
                 case INTEL_I810: head->chipset = "Intel i810"; break;
                 case INTEL_I815: head->chipset = "Intel i815"; break;
                  case INTEL_I820: head->chipset = "Intel i820"; break;
+ case INTEL_I830_M: head->chipset = "Intel i830M"; break;
                 case INTEL_I840: head->chipset = "Intel i840"; break;
                 case INTEL_I845: head->chipset = "Intel i845"; break;
+ case INTEL_I845_G: head->chipset = "Intel i845G"; break;
                 case INTEL_I850: head->chipset = "Intel i850"; break;
 
                 case VIA_GENERIC: head->chipset = "VIA"; break;

diff -ru linux-2.5.51.clean/drivers/char/drm/drm_agpsupport.h linux-2.5.51/drivers/char/drm/drm_agpsupport.h
--- linux-2.5.51.clean/drivers/char/drm/drm_agpsupport.h Tue Dec 10 03:45:39 2002
+++ linux-2.5.51/drivers/char/drm/drm_agpsupport.h Wed Dec 11 12:55:08 2002
@@ -271,10 +271,12 @@
 #if LINUX_VERSION_CODE >= 0x02040f /* KERNEL_VERSION(2,4,15) */
                  case INTEL_I820: head->chipset = "Intel i820"; break;
 #endif
+ case INTEL_I830_M: head->chipset = "Intel i830M"; break;
                 case INTEL_I840: head->chipset = "Intel i840"; break;
 #if LINUX_VERSION_CODE >= 0x02040f /* KERNEL_VERSION(2,4,15) */
                 case INTEL_I845: head->chipset = "Intel i845"; break;
 #endif
+ case INTEL_I845: head->chipset = "Intel i845G"; break;
                 case INTEL_I850: head->chipset = "Intel i850"; break;
                 case INTEL_460GX: head->chipset = "Intel 460GX"; break;
 

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