65 lines
1.9 KiB
Plaintext
65 lines
1.9 KiB
Plaintext
--- hw/xfree86/os-support/bus/linuxPci.c
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+++ hw/xfree86/os-support/bus/linuxPci.c
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@@ -547,10 +547,10 @@ xf86GetPciDomain(PCITAG Tag)
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pPCI = xf86GetPciHostConfigFromTag(Tag);
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if (pPCI && (result = PCI_DOM_FROM_BUS(pPCI->busnum)))
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- return result + 1;
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+ return result;
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if (!pPCI || pPCI->fakeDevice)
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- return 1; /* Domain 0 is reserved */
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+ return 0;
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if ((fd = linuxPciOpenFile(pPCI ? pPCI->tag : 0,FALSE)) < 0)
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return 0;
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@@ -558,7 +558,7 @@ xf86GetPciDomain(PCITAG Tag)
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if ((result = ioctl(fd, PCIIOC_CONTROLLER, 0)) < 0)
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return 0;
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- return result + 1; /* Domain 0 is reserved */
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+ return result;
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}
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static pointer
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@@ -629,7 +629,7 @@ linuxMapPci(int ScreenNum, int Flags, PC
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return NULL;
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}
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-#define MAX_DOMAINS 257
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+#define MAX_DOMAINS 256
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static pointer DomainMmappedIO[MAX_DOMAINS];
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static int
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@@ -650,11 +650,10 @@ linuxOpenLegacy(PCITAG Tag, char *name)
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domain = xf86GetPciDomain(Tag);
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bus = PCI_BUS_NO_DOMAIN(PCI_BUS_FROM_TAG(Tag));
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- /* Domain 0 is reserved -- see xf86GetPciDomain() */
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- if ((domain <= 0) || (domain >= MAX_DOMAINS))
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+ if ((domain < 0) || (domain >= MAX_DOMAINS))
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FatalError("linuxOpenLegacy(): domain out of range\n");
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- sprintf(path, PREFIX, domain - 1, bus, name);
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+ sprintf(path, PREFIX, domain, bus, name);
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fd = open(path, O_RDWR);
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if (fd >= 0) {
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xfree(path);
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@@ -686,7 +685,6 @@ _X_EXPORT pointer
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xf86MapDomainMemory(int ScreenNum, int Flags, PCITAG Tag,
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ADDRESS Base, unsigned long Size)
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{
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- int domain = xf86GetPciDomain(Tag);
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int fd = -1;
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pointer addr;
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@@ -734,7 +732,7 @@ xf86MapDomainIO(int ScreenNum, int Flags
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int domain = xf86GetPciDomain(Tag);
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int fd;
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- if ((domain <= 0) || (domain >= MAX_DOMAINS))
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+ if ((domain < 0) || (domain >= MAX_DOMAINS))
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FatalError("xf86MapDomainIO(): domain out of range\n");
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if (DomainMmappedIO[domain])
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