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SubjectRe: [PATCH] 2.5.5-pre1 fix build error in drivers/video/vesafb.c
Date
On Thursday 14 February 2002 09:37 am, Gerd Knorr wrote:
> > - pmi_base = (unsigned short*)bus_to_virt(((unsigned
> > long)screen_info.vesapm_seg << 4) + screen_info.vesapm_off); +
> > pmi_base = (unsigned short*)phys_to_virt(((unsigned
> > long)screen_info.vesapm_seg << 4) + screen_info.vesapm_off);
>
> Looks fine to me. While s/bus/phys/ isn't the approximate fix for many
> drivers, at this place it is correct. The address is a segment:offset
> pointer to a physical memory address somewhere in the VESA BIOS.
>
> Gerd

Thanks. Do to some cut-and-paste haste, my original patch converted tabs
to spaces, so that patch won't apply. Here is a correct version for anyone
wanting to use it. Also, my net connnection was down this morning, so I failed
to see the other recent thread about this subject, [PATCH} 2.5.5-pre1 VESA fb.
Adding those correspondents to the cc list.

Steven

--- linux-2.5.5-pre1/drivers/video/vesafb.c.orig Thu Feb 14 08:16:25 2002
+++ linux-2.5.5-pre1/drivers/video/vesafb.c Thu Feb 14 08:17:24 2002
@@ -550,7 +550,7 @@
ypan = pmi_setpal = 0; /* not available or some DOS TSR ... */

if (ypan || pmi_setpal) {
- pmi_base = (unsigned short*)bus_to_virt(((unsigned long)screen_info.vesapm_seg << 4) + screen_info.vesapm_off);
+ pmi_base = (unsigned short*)phys_to_virt(((unsigned long)screen_info.vesapm_seg << 4) + screen_info.vesapm_off);
pmi_start = (void*)((char*)pmi_base + pmi_base[1]);
pmi_pal = (void*)((char*)pmi_base + pmi_base[2]);
printk(KERN_INFO "vesafb: pmi: set display start = %p, set palette = %p\n",pmi_start,pmi_pal);
-
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