15 lines
441 B
Diff
15 lines
441 B
Diff
Enable write-combining on the framebuffer BAR
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Signed-off-by: Adam Jackson <ajax@redhat.com>
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--- src/mga_driver.c
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+++ src/mga_driver.c
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@@ -2594,7 +2594,8 @@ MGAMapMem(ScrnInfoPtr pScrn)
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pciaddr_t fbsize = pMga->FbMapSize;
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err = pci_device_map_range(dev,
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fbaddr, fbsize,
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- PCI_DEV_MAP_FLAG_WRITABLE,
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+ PCI_DEV_MAP_FLAG_WRITABLE |
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+ PCI_DEV_MAP_FLAG_WRITE_COMBINE,
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(void **)&pMga->FbBase);
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if (err) {
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