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Diffstat (limited to 'xorg-server/hw/xfree86/common')
-rw-r--r--xorg-server/hw/xfree86/common/compiler.h16
-rw-r--r--xorg-server/hw/xfree86/common/xf86DGA.c29
2 files changed, 32 insertions, 13 deletions
diff --git a/xorg-server/hw/xfree86/common/compiler.h b/xorg-server/hw/xfree86/common/compiler.h
index 71a94c0c8..ae6a4615c 100644
--- a/xorg-server/hw/xfree86/common/compiler.h
+++ b/xorg-server/hw/xfree86/common/compiler.h
@@ -1211,6 +1211,8 @@ extern _X_EXPORT void (*xf86WriteMmio32)(int, void *, unsigned long);
extern _X_EXPORT void (*xf86WriteMmioNB8)(int, void *, unsigned long);
extern _X_EXPORT void (*xf86WriteMmioNB16)(int, void *, unsigned long);
extern _X_EXPORT void (*xf86WriteMmioNB32)(int, void *, unsigned long);
+extern _X_EXPORT void xf86SlowBCopyFromBus(unsigned char *, unsigned char *, int);
+extern _X_EXPORT void xf86SlowBCopyToBus(unsigned char *, unsigned char *, int);
/* Some macros to hide the system dependencies for MMIO accesses */
/* Changed to kill noise generated by gcc's -Wcast-align */
@@ -1342,4 +1344,18 @@ extern _X_EXPORT void (*xf86WriteMmioNB32)(int, void *, unsigned long);
# define MMIO_MOVE32(base, offset, val) MMIO_OUT32(base, offset, val)
# endif /* __alpha__ */
+
+/*
+ * With Intel, the version in os-support/misc/SlowBcopy.s is used.
+ * This avoids port I/O during the copy (which causes problems with
+ * some hardware).
+ */
+# ifdef __alpha__
+# define slowbcopy_tobus(src,dst,count) xf86SlowBCopyToBus(src,dst,count)
+# define slowbcopy_frombus(src,dst,count) xf86SlowBCopyFromBus(src,dst,count)
+# else /* __alpha__ */
+# define slowbcopy_tobus(src,dst,count) xf86SlowBcopy(src,dst,count)
+# define slowbcopy_frombus(src,dst,count) xf86SlowBcopy(src,dst,count)
+# endif /* __alpha__ */
+
#endif /* _COMPILER_H */
diff --git a/xorg-server/hw/xfree86/common/xf86DGA.c b/xorg-server/hw/xfree86/common/xf86DGA.c
index 42b7c5805..804fd37c1 100644
--- a/xorg-server/hw/xfree86/common/xf86DGA.c
+++ b/xorg-server/hw/xfree86/common/xf86DGA.c
@@ -120,8 +120,22 @@ DGAInit(
DGAScreenKey = &DGAScreenKeyIndex;
- if(!(pScreenPriv = (DGAScreenPtr)xalloc(sizeof(DGAScreenRec))))
- return FALSE;
+ pScreenPriv = DGA_GET_SCREEN_PRIV(pScreen);
+
+ if (!pScreenPriv)
+ {
+ if(!(pScreenPriv = (DGAScreenPtr)xalloc(sizeof(DGAScreenRec))))
+ return FALSE;
+ dixSetPrivate(&pScreen->devPrivates, DGAScreenKey, pScreenPriv);
+ pScreenPriv->CloseScreen = pScreen->CloseScreen;
+ pScreen->CloseScreen = DGACloseScreen;
+ pScreenPriv->DestroyColormap = pScreen->DestroyColormap;
+ pScreen->DestroyColormap = DGADestroyColormap;
+ pScreenPriv->InstallColormap = pScreen->InstallColormap;
+ pScreen->InstallColormap = DGAInstallColormap;
+ pScreenPriv->UninstallColormap = pScreen->UninstallColormap;
+ pScreen->UninstallColormap = DGAUninstallColormap;
+ }
pScreenPriv->pScrn = pScrn;
pScreenPriv->numModes = num;
@@ -146,17 +160,6 @@ DGAInit(
modes[i].flags &= ~DGA_PIXMAP_AVAILABLE;
#endif
- dixSetPrivate(&pScreen->devPrivates, DGAScreenKey, pScreenPriv);
- pScreenPriv->CloseScreen = pScreen->CloseScreen;
- pScreen->CloseScreen = DGACloseScreen;
- pScreenPriv->DestroyColormap = pScreen->DestroyColormap;
- pScreen->DestroyColormap = DGADestroyColormap;
- pScreenPriv->InstallColormap = pScreen->InstallColormap;
- pScreen->InstallColormap = DGAInstallColormap;
- pScreenPriv->UninstallColormap = pScreen->UninstallColormap;
- pScreen->UninstallColormap = DGAUninstallColormap;
-
-
return TRUE;
}