1 files changed, 45 insertions, 18 deletions

diff --git a/src/gallium/state_trackers/xorg/xorg_driver.c b/src/gallium/state_trackers/xorg/xorg_driver.c
index 84c0545b1b..6b6e2009fe 100644
--- a/src/gallium/state_trackers/xorg/xorg_driver.c
+++ b/src/gallium/state_trackers/xorg/xorg_driver.c
@@ -79,12 +79,16 @@ typedef enum
     OPTION_SW_CURSOR,
     OPTION_2D_ACCEL,
     OPTION_DEBUG_FALLBACK,
+    OPTION_THROTTLE_SWAP,
+    OPTION_THROTTLE_DIRTY
 } 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},
+    {OPTION_THROTTLE_SWAP, "SwapThrottling", OPTV_BOOLEAN, {0}, FALSE},
+    {OPTION_THROTTLE_DIRTY, "DirtyThrottling", OPTV_BOOLEAN, {0}, FALSE},
     {-1, NULL, OPTV_NONE, {0}, FALSE}
 };
 
@@ -534,23 +538,29 @@ static void drv_block_handler(int i, pointer blockData, pointer pTimeout,
     if (ms->ctx) {
        int j;
 
-       ms->ctx->flush(ms->ctx, PIPE_FLUSH_RENDER_CACHE, &ms->fence[XORG_NR_FENCES-1]);
+       ms->ctx->flush(ms->ctx, PIPE_FLUSH_RENDER_CACHE,
+		      ms->dirtyThrottling ?
+		      &ms->fence[XORG_NR_FENCES-1] :
+		      NULL);
        
-       if (ms->fence[0])
-          ms->ctx->screen->fence_finish(ms->ctx->screen, ms->fence[0], 0);
+       if (ms->dirtyThrottling) {
+	   if (ms->fence[0])
+	       ms->ctx->screen->fence_finish(ms->ctx->screen,
+					     ms->fence[0], 0);
   
-       /* The amount of rendering generated by a block handler can be
-        * quite small.  Let us get a fair way ahead of hardware before
-        * throttling.
-        */
-       for (j = 0; j < XORG_NR_FENCES - 1; j++)
-          ms->screen->fence_reference(ms->screen,
-                                      &ms->fence[j],
-                                      ms->fence[j+1]);
-
-       ms->screen->fence_reference(ms->screen,
-                                   &ms->fence[XORG_NR_FENCES-1],
-                                   NULL);
+	   /* The amount of rendering generated by a block handler can be
+	    * quite small.  Let us get a fair way ahead of hardware before
+	    * throttling.
+	    */
+	   for (j = 0; j < XORG_NR_FENCES - 1; j++)
+	       ms->screen->fence_reference(ms->screen,
+					   &ms->fence[j],
+					   ms->fence[j+1]);
+
+	   ms->screen->fence_reference(ms->screen,
+				       &ms->fence[XORG_NR_FENCES-1],
+				       NULL);
+       }
     }
         
 
@@ -634,6 +644,8 @@ drv_screen_init(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
     unsigned max_width, max_height;
     VisualPtr visual;
     CustomizerPtr cust = ms->cust;
+    MessageType from_st;
+    MessageType from_dt;
 
     if (!drv_init_drm(pScrn)) {
 	FatalError("Could not init DRM");
@@ -720,6 +732,19 @@ drv_screen_init(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
     ms->accelerate_2d = xf86ReturnOptValBool(ms->Options, OPTION_2D_ACCEL, FALSE);
     ms->debug_fallback = xf86ReturnOptValBool(ms->Options, OPTION_DEBUG_FALLBACK, ms->accelerate_2d);
 
+    if (cust && cust->winsys_screen_init)
+	cust->winsys_screen_init(cust, ms->fd);
+
+    ms->swapThrottling = cust ?  cust->swap_throttling : TRUE;
+    from_st = xf86GetOptValBool(ms->Options, OPTION_THROTTLE_SWAP,
+				&ms->swapThrottling) ?
+	X_CONFIG : X_DEFAULT;
+
+    ms->dirtyThrottling = cust ?  cust->dirty_throttling : TRUE;
+    from_dt = xf86GetOptValBool(ms->Options, OPTION_THROTTLE_DIRTY,
+				&ms->dirtyThrottling) ?
+	X_CONFIG : X_DEFAULT;
+
     if (ms->screen) {
 	ms->exa = xorg_exa_init(pScrn, ms->accelerate_2d);
 
@@ -744,6 +769,11 @@ drv_screen_init(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
 #else
     xf86DrvMsg(pScrn->scrnIndex, X_INFO, "3D Acceleration is disabled\n");
 #endif
+    xf86DrvMsg(pScrn->scrnIndex, from_st, "Swap Throttling is %s.\n",
+	       ms->swapThrottling ? "enabled" : "disabled");
+    xf86DrvMsg(pScrn->scrnIndex, from_dt, "Dirty Throttling is %s.\n",
+	       ms->dirtyThrottling ? "enabled" : "disabled");
+
     xf86DrvMsg(pScrn->scrnIndex, X_INFO, "##################################\n");
 
     miInitializeBackingStore(pScreen);
@@ -776,9 +806,6 @@ drv_screen_init(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
     if (serverGeneration == 1)
 	xf86ShowUnusedOptions(pScrn->scrnIndex, pScrn->options);
 
-    if (cust && cust->winsys_screen_init)
-	cust->winsys_screen_init(cust, ms->fd);
-
     return drv_enter_vt(scrnIndex, 1);
 }