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added a temporary workaround for bug report #994

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@19986 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Marcus Overhagen
2007-01-27 20:56:44 +00:00
parent 9a8038bf5d
commit e0858f4dd5
1 changed files with 9 additions and 0 deletions
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src/add-ons/kernel/drivers/graphics/vmware/device.c
+9
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@@ -92,6 +92,7 @@ MapDevice()
SharedInfo *si = gPd->si; SharedInfo *si = gPd->si;
int writeCombined = 1; int writeCombined = 1;
#if 0
/* Map the frame buffer */ /* Map the frame buffer */
si->fbArea = map_physical_memory("VMware frame buffer", si->fbArea = map_physical_memory("VMware frame buffer",
si->fbDma, si->fbSize, B_ANY_KERNEL_BLOCK_ADDRESS|B_MTR_WC, si->fbDma, si->fbSize, B_ANY_KERNEL_BLOCK_ADDRESS|B_MTR_WC,
@@ -103,6 +104,14 @@ MapDevice()
si->fbDma, si->fbSize, B_ANY_KERNEL_BLOCK_ADDRESS, si->fbDma, si->fbSize, B_ANY_KERNEL_BLOCK_ADDRESS,
B_READ_AREA|B_WRITE_AREA, (void **)&si->fb); B_READ_AREA|B_WRITE_AREA, (void **)&si->fb);
} }
#else
/* Workaround for KDL problem. Map the frame buffer in
uncached mode, see bug report #994 */
writeCombined = 0;
si->fbArea = map_physical_memory("VMware frame buffer",
si->fbDma, si->fbSize, B_ANY_KERNEL_BLOCK_ADDRESS|B_MTR_UC,
B_READ_AREA|B_WRITE_AREA, (void **)&si->fb);
#endif
if (si->fbArea < 0) { if (si->fbArea < 0) {
TRACE("failed to map frame buffer\n"); TRACE("failed to map frame buffer\n");
return si->fbArea; return si->fbArea;