[PATCH:xf86-video-xgi] Add missing check for libpciaccess

[Connor Behan]

The code for finding the BIOS forgets to provide both map / unmap
methods.

Signed-off-by: Connor Behan <connor.behan at gmail.com>
---
 src/xgi_driver.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/xgi_driver.c b/src/xgi_driver.c
index 5380ab2..ad8fca6 100755
--- a/src/xgi_driver.c
+++ b/src/xgi_driver.c
@@ -6575,7 +6575,11 @@ XGI_GetSetBIOSScratch(ScrnInfoPtr pScrn, USHORT offset, unsigned char value)
 #if (defined(i386) || defined(__i386) || defined(__i386__) || defined(__AMD64__))
     unsigned char *base;
 
+#ifdef XSERVER_LIBPCIACCESS
+    pci_device_map_legacy(XGIPTR(pScrn)->PciInfo, 0, 0x2000, 1, (void**)&base);
+#else
     base = xf86MapVidMem(pScrn->scrnIndex, VIDMEM_MMIO, 0, 0x2000);
+#endif
     if (!base) {
         XGIErrorLog(pScrn, "(Could not map BIOS scratch area)\n");
         return 0;
@@ -6587,8 +6591,12 @@ XGI_GetSetBIOSScratch(ScrnInfoPtr pScrn, USHORT offset, unsigned char value)
     if (value != 0xff)
         *(base + offset) = value;
 
+#ifdef XSERVER_LIBPCIACCESS
+    pci_device_unmap_legacy(XGIPTR(pScrn)->PciInfo, (void*)base, 0x2000);
+#else
     xf86UnMapVidMem(pScrn->scrnIndex, base, 0x2000);
 #endif
+#endif
     return ret;
 }
 
-- 
2.4.5