4 files changed, 55 insertions, 5 deletions

diff --git a/src/gallium/state_trackers/xorg/xorg_dri2.c b/src/gallium/state_trackers/xorg/xorg_dri2.c
index e6a89c76451..11b81c9ce26 100644
--- a/src/gallium/state_trackers/xorg/xorg_dri2.c
+++ b/src/gallium/state_trackers/xorg/xorg_dri2.c
@@ -376,6 +376,7 @@ xorg_dri2_init(ScreenPtr pScreen)
     ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
     modesettingPtr ms = modesettingPTR(pScrn);
     DRI2InfoRec dri2info;
+#if DRI2INFOREC_VERSION >= 2
     int major, minor;
 
     if (xf86LoaderCheckSymbol("DRI2Version")) {
@@ -385,6 +386,7 @@ xorg_dri2_init(ScreenPtr pScreen)
 	major = 1;
 	minor = 0;
     }
+#endif
 
     dri2info.version = DRI2INFOREC_VERSION;
     dri2info.fd = ms->fd;
diff --git a/src/gallium/state_trackers/xorg/xorg_driver.c b/src/gallium/state_trackers/xorg/xorg_driver.c
index 41bfcd0f5e7..e4ad789e9bc 100644
--- a/src/gallium/state_trackers/xorg/xorg_driver.c
+++ b/src/gallium/state_trackers/xorg/xorg_driver.c
@@ -78,11 +78,13 @@ typedef enum
 {
     OPTION_SW_CURSOR,
     OPTION_2D_ACCEL,
+    OPTION_DEBUG_FALLBACK,
 } drv_option_enums;
 
 static const OptionInfoRec drv_options[] = {
     {OPTION_SW_CURSOR, "SWcursor", OPTV_BOOLEAN, {0}, FALSE},
     {OPTION_2D_ACCEL, "2DAccel", OPTV_BOOLEAN, {0}, FALSE},
+    {OPTION_DEBUG_FALLBACK, "DebugFallback", OPTV_BOOLEAN, {0}, FALSE},
     {-1, NULL, OPTV_NONE, {0}, FALSE}
 };
 
@@ -110,6 +112,28 @@ xorg_tracker_set_functions(ScrnInfoPtr scrn)
     scrn->ValidMode = drv_valid_mode;
 }
 
+Bool
+xorg_tracker_have_modesetting(ScrnInfoPtr pScrn, struct pci_device *device)
+{
+    char *BusID = xalloc(64);
+    sprintf(BusID, "pci:%04x:%02x:%02x.%d",
+	    device->domain, device->bus,
+	    device->dev, device->func);
+
+    if (drmCheckModesettingSupported(BusID)) {
+	xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, 0,
+		       "Drm modesetting not supported %s\n", BusID);
+	xfree(BusID);
+	return FALSE;
+    }
+
+    xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, 0,
+		   "Drm modesetting supported on %s\n", BusID);
+
+    xfree(BusID);
+    return TRUE;
+}
+
 
 /*
  * Internal function definitions
@@ -648,10 +672,11 @@ drv_screen_init(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
 
     xf86SetBlackWhitePixels(pScreen);
 
+    ms->accelerate_2d = xf86ReturnOptValBool(ms->Options, OPTION_2D_ACCEL, FALSE);
+    ms->debug_fallback = xf86ReturnOptValBool(ms->Options, OPTION_DEBUG_FALLBACK, TRUE);
+
     if (ms->screen) {
-	ms->exa = xorg_exa_init(pScrn, xf86ReturnOptValBool(ms->Options,
-							    OPTION_2D_ACCEL, TRUE));
-	ms->debug_fallback = debug_get_bool_option("XORG_DEBUG_FALLBACK", TRUE);
+	ms->exa = xorg_exa_init(pScrn, ms->accelerate_2d);
 
 	xorg_xv_init(pScreen);
 #ifdef DRI2
@@ -659,6 +684,17 @@ drv_screen_init(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
 #endif
     }
 
+    xf86DrvMsg(pScrn->scrnIndex, X_INFO, "2D Acceleration is %s\n",
+	       ms->screen && ms->accelerate_2d ? "enabled" : "disabled");
+    xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Fallback debugging is %s\n",
+	       ms->debug_fallback ? "enabled" : "disabled");
+#ifdef DRI2
+    xf86DrvMsg(pScrn->scrnIndex, X_INFO, "3D Acceleration is %s\n",
+	       ms->screen ? "enabled" : "disabled");
+#else
+    xf86DrvMsg(pScrn->scrnIndex, X_INFO, "3D Acceleration is disabled\n");
+#endif
+
     miInitializeBackingStore(pScreen);
     xf86SetBackingStore(pScreen);
     xf86SetSilkenMouse(pScreen);
@@ -1030,12 +1066,22 @@ drv_bind_front_buffer_kms(ScrnInfoPtr pScrn)
 	goto err_destroy;
 
     pScreen->ModifyPixmapHeader(rootPixmap,
-				pScreen->width,
-				pScreen->height,
+				pScrn->virtualX,
+				pScrn->virtualY,
 				pScreen->rootDepth,
 				pScrn->bitsPerPixel,
 				stride,
 				ptr);
+
+    /* This a hack to work around EnableDisableFBAccess setting the pointer
+     * the real fix would be to replace pScrn->EnableDisableFBAccess hook
+     * and set the rootPixmap->devPrivate.ptr to something valid before that.
+     *
+     * But in its infinit visdome something uses either this some times before
+     * that, so our hook doesn't get called before the crash happens.
+     */
+    pScrn->pixmapPrivate.ptr = ptr;
+
     return TRUE;
 
 err_destroy:
diff --git a/src/gallium/state_trackers/xorg/xorg_tracker.h b/src/gallium/state_trackers/xorg/xorg_tracker.h
index 4d5d4780dc4..a88b1d520dc 100644
--- a/src/gallium/state_trackers/xorg/xorg_tracker.h
+++ b/src/gallium/state_trackers/xorg/xorg_tracker.h
@@ -112,6 +112,7 @@ typedef struct _modesettingRec
     /* exa */
     struct exa_context *exa;
     Bool noEvict;
+    Bool accelerate_2d;
     Bool debug_fallback;
 
     /* winsys hocks */
diff --git a/src/gallium/state_trackers/xorg/xorg_winsys.h b/src/gallium/state_trackers/xorg/xorg_winsys.h
index 47ee4b9ffd8..865733bca2b 100644
--- a/src/gallium/state_trackers/xorg/xorg_winsys.h
+++ b/src/gallium/state_trackers/xorg/xorg_winsys.h
@@ -45,5 +45,6 @@
 
 void xorg_tracker_set_functions(ScrnInfoPtr scrn);
 const OptionInfoRec * xorg_tracker_available_options(int chipid, int busid);
+Bool xorg_tracker_have_modesetting(ScrnInfoPtr pScrn, struct pci_device *device);
 
 #endif