Fix driver build against server 1.4.2.

This disables UXA and DRM modesetting pre-1.5, due to privates handling
issues.

Makefile.am

@@ -19,7 +19,12 @@
 #  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 AUTOMAKE_OPTIONS = foreign
-SUBDIRS = uxa src man
+
+if BUILD_UXA
+UXA_DIR = uxa
+endif
+
+SUBDIRS = $(UXA_DIR) src man
 
 EXTRA_DIST = README
 DISTCLEANFILES = doltcompile

configure.ac

@@ -84,6 +84,8 @@ XORG_DRIVER_CHECK_EXT(DPMSExtension, xextproto)
 
 # Checks for pkg-config packages
 PKG_CHECK_MODULES(XORG, [xorg-server xproto fontsproto $REQUIRED_MODULES])
+PKG_CHECK_MODULES(UXA, [xorg-server >= 1.5], [BUILD_UXA=yes], [BUILD_UXA=no])
+
 sdkdir=$(pkg-config --variable=sdkdir xorg-server)
 drm_cflags=$(pkg-config --cflags libdrm)
 
@@ -108,6 +110,8 @@ if test x$DRI != xno; then
 	AC_CHECK_HEADER(xf86drmMode.h,
 			[DRM_MODE=yes],[DRM_MODE=no]
 			[#include "stdint.h"])
+	dnl exaGetPixmapDriverPrivate required for DRM_MODE.
+	PKG_CHECK_MODULES(DRM_MODE, [xorg-server >= 1.5], [], [DRM_MODE=no])
 	if test "x$DRM_MODE" = xyes; then
 	   	AC_DEFINE(XF86DRM_MODE,1,[DRM kernel modesetting])
 	fi
@@ -124,6 +128,11 @@ if test x$DRI = xauto; then
 fi
 AC_MSG_RESULT([$DRI])
 
+AM_CONDITIONAL(BUILD_UXA, test $BUILD_UXA = yes)
+if test "$BUILD_UXA" = yes; then
+	AC_DEFINE(I830_USE_UXA, 1, [UMA Acceleration Architecture support])
+fi
+
 AC_CHECK_HEADER(xf86Modes.h,[XMODES=yes],[XMODES=no],[#include "xorg-server.h"])
 AC_CHECK_DECL(XSERVER_LIBPCIACCESS,
 	      [XSERVER_LIBPCIACCESS=yes],[XSERVER_LIBPCIACCESS=no],

src/Makefile.am

@@ -32,14 +32,17 @@ SUBDIRS = xvmc bios_reader ch7017 ch7xxx ivch sil164 tfp410 $(REGDUMPER)
 
 AM_CFLAGS = @WARN_CFLAGS@ @XORG_CFLAGS@ @DRM_CFLAGS@ @DRI_CFLAGS@ \
 	@PCIACCESS_CFLAGS@ @UXA_CFLAGS@ \
-	@XMODES_CFLAGS@ -DI830_XV -DI830_USE_XAA -DI830_USE_EXA	-DI830_USE_UXA
+	@XMODES_CFLAGS@ -DI830_XV -DI830_USE_XAA -DI830_USE_EXA
 
 intel_drv_la_LTLIBRARIES = intel_drv.la
 intel_drv_la_LDFLAGS = -module -avoid-version
 intel_drv_ladir = @moduledir@/drivers
-intel_drv_la_LIBADD = -lm ../uxa/libuxa.la
+intel_drv_la_LIBADD = -lm -ldrm_intel
+if BUILD_UXA
+intel_drv_la_LIBADD += ../uxa/libuxa.la
+endif
 if XSERVER_LIBPCIACCESS
-intel_drv_la_LIBADD += @PCIACCESS_LIBS@ @DRM_LIBS@ -ldrm_intel
+intel_drv_la_LIBADD += @PCIACCESS_LIBS@ @DRM_LIBS@
 endif
 
 XMODE_SRCS=\

src/i830_accel.c

@@ -331,9 +331,13 @@ I830AccelInit(ScreenPtr pScreen)
 	pI830->accel_max_y = 2048;
     }
     switch (pI830->accel) {
-#ifdef I830_USE_UXA
     case ACCEL_UXA:
+#ifdef I830_USE_UXA
 	return i830_uxa_init(pScreen);
+#else
+	xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
+		   "UXA not built in, falling back to EXA.\n");
+	return I830EXAInit(pScreen);
 #endif
 #ifdef I830_USE_EXA
     case ACCEL_EXA:

src/i830_driver.c

@@ -2693,8 +2693,10 @@ I830BlockHandler(int i,
        pI830->need_mi_flush = FALSE;
     }
 
+#ifdef I830_USE_UXA
     if (pI830->accel == ACCEL_UXA)
 	i830_uxa_block_handler (pScreen);
+#endif
     /*
      * Check for FIFO underruns at block time (which amounts to just
      * periodically).  If this happens, it means our DSPARB or some other

src/i830_exa.c

@@ -726,14 +726,6 @@ I830EXAInit(ScreenPtr pScreen)
     return TRUE;
 }
 
-static int uxa_pixmap_index;
-
-static void
-i830_uxa_set_pixmap_bo (PixmapPtr pixmap, dri_bo *bo)
-{
-    dixSetPrivate(&pixmap->devPrivates, &uxa_pixmap_index, bo);
-}
-
 dri_bo *
 i830_get_pixmap_bo(PixmapPtr pixmap)
 {
@@ -741,17 +733,31 @@ i830_get_pixmap_bo(PixmapPtr pixmap)
     ScrnInfoPtr scrn = xf86Screens[screen->myNum];
     I830Ptr i830 = I830PTR(scrn);
 
+#ifdef I830_USE_UXA
     if (i830->accel == ACCEL_UXA) {
 	return dixLookupPrivate(&pixmap->devPrivates, &uxa_pixmap_index);
-    } else if (i830->accel == ACCEL_EXA) {
+    }
+#endif
+#ifdef XF86DRM_MODE
+    if (i830->accel == ACCEL_EXA) {
 	struct i830_exa_pixmap_priv *driver_priv =
 	    exaGetPixmapDriverPrivate(pixmap);
 	return driver_priv ? driver_priv->bo : NULL;
     }
+#endif
 
     return NULL;
 }
 
+#if defined(I830_USE_UXA)
+static int uxa_pixmap_index;
+
+static void
+i830_uxa_set_pixmap_bo (PixmapPtr pixmap, dri_bo *bo)
+{
+    dixSetPrivate(&pixmap->devPrivates, &uxa_pixmap_index, bo);
+}
+
 static Bool
 i830_uxa_prepare_access (PixmapPtr pixmap, uxa_access_t access)
 {
@@ -937,6 +943,7 @@ i830_uxa_init (ScreenPtr pScreen)
 
     return TRUE;
 }
+#endif /* I830_USE_UXA */
 
 #ifdef XF86DRI