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MFC: Calculate the number of pages the GATT spans instead of assuming it

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always spans 33 pages.
This commit is contained in:
jhb 2008-03-17 18:27:23 +00:00
parent 8dbb58f339
commit 617495c5d4
1 changed files with 4 additions and 3 deletions
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7
sys/pci/agp_nvidia.c
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@ -348,7 +348,7 @@ agp_nvidia_flush_tlb (device_t dev, int offset)
struct agp_nvidia_softc *sc;
u_int32_t wbc_reg, temp;
volatile u_int32_t *ag_virtual;
int i;
int i, pages;
sc = (struct agp_nvidia_softc *)device_get_softc(dev);
@ -374,9 +374,10 @@ agp_nvidia_flush_tlb (device_t dev, int offset)
ag_virtual = (volatile u_int32_t *)sc->gatt->ag_virtual;
/* Flush TLB entries. */
for(i = 0; i < 32 + 1; i++)
pages = sc->gatt->ag_entries * sizeof(u_int32_t) / PAGE_SIZE;
for(i = 0; i < pages; i++)
temp = ag_virtual[i * PAGE_SIZE / sizeof(u_int32_t)];
for(i = 0; i < 32 + 1; i++)
for(i = 0; i < pages; i++)
temp = ag_virtual[i * PAGE_SIZE / sizeof(u_int32_t)];
return (0);