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xserver-xorg-video-nouveau: Changes to 'upstream-experimental'



 configure.ac          |    2 
 man/nouveau.man       |   18 +++
 src/drmmode_display.c |  265 +++++++++++++++++++++++++++++++++-----------
 src/nouveau_class.h   |    2 
 src/nouveau_dri2.c    |  298 +++++++++++++++++++++++++++++++++++++++++++++++++-
 src/nouveau_exa.c     |   52 +-------
 src/nouveau_local.h   |   11 +
 src/nouveau_wfb.c     |    2 
 src/nouveau_xv.c      |   17 --
 src/nv04_exa.c        |   35 +++++
 src/nv04_xv_blit.c    |   11 -
 src/nv30_xv_tex.c     |   19 ---
 src/nv40_xv_tex.c     |   19 ---
 src/nv50_accel.c      |   33 +++++
 src/nv50_xv.c         |   32 -----
 src/nv_accel_common.c |   95 +++++++++++++++
 src/nv_const.h        |    8 +
 src/nv_dma.c          |    3 
 src/nv_driver.c       |  107 +++++++++++------
 src/nv_include.h      |    2 
 src/nv_proto.h        |   14 +-
 src/nv_type.h         |    8 +
 22 files changed, 806 insertions(+), 247 deletions(-)

New commits:
commit 8bb8231236a6b877895663aeaa9cef731d67fe68
Author: Ben Skeggs <bskeggs@redhat.com>
Date:   Tue Nov 30 15:27:36 2010 +1000

    dri2: fix certain clients blocking forever when sync-to-vblank unavailable
    
    Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

diff --git a/src/nouveau_dri2.c b/src/nouveau_dri2.c
index 969c6f3..2dd6da4 100644
--- a/src/nouveau_dri2.c
+++ b/src/nouveau_dri2.c
@@ -322,8 +322,10 @@ nouveau_dri2_schedule_wait(ClientPtr client, DrawablePtr draw,
 	CARD64 current_msc;
 	int ret;
 
-	if (!can_sync_to_vblank(draw))
+	if (!can_sync_to_vblank(draw)) {
+		DRI2WaitMSCComplete(client, draw, target_msc, 0, 0);
 		return TRUE;
+	}
 
 	/* Initialize a vblank structure */
 	s = malloc(sizeof(*s));

commit f29afe65b67c9b89ceba421d9b3aee590f7ded20
Author: Ben Skeggs <bskeggs@redhat.com>
Date:   Mon Nov 29 09:23:35 2010 +1000

    dri2: don't return failure from get_msc if sync-to-vblank isn't available
    
    Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

diff --git a/src/nouveau_dri2.c b/src/nouveau_dri2.c
index 48e134e..969c6f3 100644
--- a/src/nouveau_dri2.c
+++ b/src/nouveau_dri2.c
@@ -363,8 +363,11 @@ nouveau_dri2_get_msc(DrawablePtr draw, CARD64 *ust, CARD64 *msc)
 {
 	int ret;
 
-	if (!can_sync_to_vblank(draw))
-		return FALSE;
+	if (!can_sync_to_vblank(draw)) {
+		*ust = 0;
+		*msc = 0;
+		return TRUE;
+	}
 
 	/* Get current sequence */
 	ret = nouveau_wait_vblank(draw, DRM_VBLANK_RELATIVE, 0, msc, ust, NULL);

commit 4b1d26578116f4d1745dd92a7c99413972a2bedf
Author: Francisco Jerez <currojerez@riseup.net>
Date:   Thu Nov 25 21:33:46 2010 +0100

    dri2: Don't return failure from schedule_wait if sync-to-vblank is unavailable.
    
    Reported-by: Ben Skeggs <bskeggs@redhat.com>
    Signed-off-by: Francisco Jerez <currojerez@riseup.net>

diff --git a/src/nouveau_dri2.c b/src/nouveau_dri2.c
index 204ab32..48e134e 100644
--- a/src/nouveau_dri2.c
+++ b/src/nouveau_dri2.c
@@ -323,7 +323,7 @@ nouveau_dri2_schedule_wait(ClientPtr client, DrawablePtr draw,
 	int ret;
 
 	if (!can_sync_to_vblank(draw))
-		return FALSE;
+		return TRUE;
 
 	/* Initialize a vblank structure */
 	s = malloc(sizeof(*s));

commit 1143e7a97dce1b741376e178b73b8b766e03849a
Author: Jesse Adkins <jesserayadkins@gmail.com>
Date:   Tue Oct 26 16:05:32 2010 -0700

    Purge cvs tags.
    
    Signed-off-by: Jesse Adkins <jesserayadkins@gmail.com>
    Signed-off-by: Francisco Jerez <currojerez@riseup.net>

diff --git a/src/nv_const.h b/src/nv_const.h
index f80d125..01ffc2c 100644
--- a/src/nv_const.h
+++ b/src/nv_const.h
@@ -1,5 +1,3 @@
-/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/nv/nv_const.h,v 1.6 2001/12/07 00:09:55 mvojkovi Exp $ */
-
 #ifndef __NV_CONST_H__
 #define __NV_CONST_H__
 
diff --git a/src/nv_include.h b/src/nv_include.h
index ce89596..48f0b21 100644
--- a/src/nv_include.h
+++ b/src/nv_include.h
@@ -1,5 +1,3 @@
-/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/nv/nv_include.h,v 1.9 2000/10/06 12:31:03 eich Exp $ */
-
 #ifndef __NV_INCLUDE_H__
 #define __NV_INCLUDE_H__
 

commit 22020457f43eceaf26532ecb50e46d743f4a691f
Author: Francisco Jerez <currojerez@riseup.net>
Date:   Tue Oct 26 00:24:06 2010 +0200

    dri2: Fix throttling on occluded drawables.
    
    Signed-off-by: Francisco Jerez <currojerez@riseup.net>

diff --git a/src/nouveau_dri2.c b/src/nouveau_dri2.c
index 65e7340..204ab32 100644
--- a/src/nouveau_dri2.c
+++ b/src/nouveau_dri2.c
@@ -239,6 +239,13 @@ nouveau_dri2_finish_swap(DrawablePtr draw, unsigned int frame,
 		DamageRegionProcessPending(draw);
 	} else {
 		type = DRI2_BLIT_COMPLETE;
+
+		/* Reference the front buffer to let throttling work
+		 * on occluded drawables. */
+		WAIT_RING(chan, 1);
+		OUT_RELOC(chan, dst_bo, 0,
+			  NOUVEAU_BO_VRAM | NOUVEAU_BO_RD, 0, 0);
+
 		REGION_TRANSLATE(0, &reg, -draw->x, -draw->y);
 		nouveau_dri2_copy_region(draw, &reg, s->dst, s->src);
 	}

commit 9737a812aacbc544b93eeaa031cf1c2e8adbd661
Author: Ben Skeggs <bskeggs@redhat.com>
Date:   Mon Oct 25 10:37:08 2010 +1000

    kms: initial pass at supporting zaphod-mode
    
    This works ok from some simple testing, there's undoubtedly things that
    will need polishing still however.
    
    Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

diff --git a/man/nouveau.man b/man/nouveau.man
index a8961ad..39de690 100644
--- a/man/nouveau.man
+++ b/man/nouveau.man
@@ -80,6 +80,16 @@ Enable or disable wfb, only affects nv50+. Useful for some legacy configurations
 Synchronize GLX clients to VBlank. Useful where tearing is a problem,
 harmful if the GPU isn't fast enough to keep up with the monitor
 refresh rate. Default: off.
+.TP
+.BI "Option \*qZaphodHeads\*q \*q" string \*q
+Specify the randr output(s) to use with zaphod mode for a particular driver
+instance.  If you use this option you most use this option for all instances
+of the driver.
+.br
+For example:
+.B
+Option \*qZaphodHeads\*q \*qLVDS,VGA-0\*q
+will assign xrandr outputs LVDS and VGA-0 to this instance of the driver.
 .SH "SEE ALSO"
 __xservername__(__appmansuffix__), __xconfigfile__(__filemansuffix__), Xserver(__appmansuffix__), X(__miscmansuffix__)
 .SH AUTHORS
diff --git a/src/drmmode_display.c b/src/drmmode_display.c
index 94b19ea..c5b57eb 100644
--- a/src/drmmode_display.c
+++ b/src/drmmode_display.c
@@ -945,13 +945,48 @@ const char *output_names[] = { "None",
 };
 #define NUM_OUTPUT_NAMES (sizeof(output_names) / sizeof(output_names[0]))
 
+static Bool
+drmmode_zaphod_match(ScrnInfoPtr pScrn, const char *s, char *output_name)
+{
+    int i = 0;
+    char s1[20];
+
+    do {
+	switch(*s) {
+	case ',':
+	    s1[i] = '\0';
+	    i = 0;
+	    if (strcmp(s1, output_name) == 0)
+		return TRUE;
+	    break;
+	case ' ':
+	case '\t':
+	case '\n':
+	case '\r':
+	    break;
+	default:
+	    s1[i] = *s;
+	    i++;
+	    break;
+	}
+    } while(*s++);
+
+    s1[i] = '\0';
+    if (strcmp(s1, output_name) == 0)
+	return TRUE;
+
+    return FALSE;
+}
+
 static void
 drmmode_output_init(ScrnInfoPtr pScrn, drmmode_ptr drmmode, int num)
 {
+	NVPtr pNv = NVPTR(pScrn);
 	xf86OutputPtr output;
 	drmModeConnectorPtr koutput;
 	drmModeEncoderPtr kencoder;
 	drmmode_output_private_ptr drmmode_output;
+	const char *s;
 	char name[32];
 
 	koutput = drmModeGetConnector(drmmode->fd,
@@ -973,6 +1008,28 @@ drmmode_output_init(ScrnInfoPtr pScrn, drmmode_ptr drmmode, int num)
 			 output_names[koutput->connector_type],
 			 koutput->connector_type_id);
 
+	if (xf86IsEntityShared(pScrn->entityList[0])) {
+		s = xf86GetOptValString(pNv->Options, OPTION_ZAPHOD_HEADS);
+		if (s) {
+			if (!drmmode_zaphod_match(pScrn, s, name)) {
+				drmModeFreeEncoder(kencoder);
+				drmModeFreeConnector(koutput);
+				return;
+			}
+		} else {
+			if (pNv->Primary && (num != 0)) {
+				drmModeFreeEncoder(kencoder);
+				drmModeFreeConnector(koutput);
+				return;
+			} else
+			if (pNv->Secondary && (num != 1)) {
+				drmModeFreeEncoder(kencoder);
+				drmModeFreeConnector(koutput);
+				return;
+			}
+		}
+	}
+
 	output = xf86OutputCreate (pScrn, &drmmode_output_funcs, name);
 	if (!output) {
 		drmModeFreeEncoder(kencoder);
@@ -1003,8 +1060,6 @@ drmmode_output_init(ScrnInfoPtr pScrn, drmmode_ptr drmmode, int num)
 
 	output->interlaceAllowed = true;
 	output->doubleScanAllowed = true;
-
-	return;
 }
 
 static Bool
@@ -1121,8 +1176,11 @@ Bool drmmode_pre_init(ScrnInfoPtr pScrn, int fd, int cpp)
 
 	xf86CrtcSetSizeRange(pScrn, 320, 200, drmmode->mode_res->max_width,
 			     drmmode->mode_res->max_height);
-	for (i = 0; i < drmmode->mode_res->count_crtcs; i++)
-		drmmode_crtc_init(pScrn, drmmode, i);
+	for (i = 0; i < drmmode->mode_res->count_crtcs; i++) {
+		if (!xf86IsEntityShared(pScrn->entityList[0] ||
+		     pScrn->confScreen->device->screen == i))
+			drmmode_crtc_init(pScrn, drmmode, i);
+	}
 
 	for (i = 0; i < drmmode->mode_res->count_connectors; i++)
 		drmmode_output_init(pScrn, drmmode, i);
diff --git a/src/nv_const.h b/src/nv_const.h
index c355cad..f80d125 100644
--- a/src/nv_const.h
+++ b/src/nv_const.h
@@ -15,6 +15,7 @@ typedef enum {
     OPTION_VIDEO_KEY,
     OPTION_WFB,
     OPTION_GLX_VBLANK,
+    OPTION_ZAPHOD_HEADS,
 } NVOpts;
 
 
@@ -26,6 +27,7 @@ static const OptionInfoRec NVOptions[] = {
     { OPTION_VIDEO_KEY,		"VideoKey",	OPTV_INTEGER,	{0}, FALSE },
     { OPTION_WFB,		"WrappedFB",	OPTV_BOOLEAN,	{0}, FALSE },
     { OPTION_GLX_VBLANK,	"GLXVBlank",	OPTV_BOOLEAN,	{0}, FALSE },
+    { OPTION_ZAPHOD_HEADS,	"ZaphodHeads",	OPTV_STRING,	{0}, FALSE },
     { -1,                       NULL,           OPTV_NONE,      {0}, FALSE }
 };
 
diff --git a/src/nv_driver.c b/src/nv_driver.c
index fad7d6a..f351fac 100644
--- a/src/nv_driver.c
+++ b/src/nv_driver.c
@@ -205,6 +205,7 @@ NVPciProbe(DriverPtr drv, int entity_num, struct pci_device *pci_dev,
 		{ -1, -1, NULL }
 	};
 	struct nouveau_device *dev = NULL;
+	EntityInfoPtr pEnt = NULL;
 	ScrnInfoPtr pScrn = NULL;
 	drmVersion *version;
 	int chipset, ret;
@@ -280,6 +281,12 @@ NVPciProbe(DriverPtr drv, int entity_num, struct pci_device *pci_dev,
 	pScrn->LeaveVT          = NVLeaveVT;
 	pScrn->FreeScreen       = NVFreeScreen;
 
+	xf86SetEntitySharable(entity_num);
+
+	pEnt = xf86GetEntityInfo(entity_num);
+	xf86SetEntityInstanceForScreen(pScrn, pEnt->index, xf86GetNumEntityInstances(pEnt->index) - 1);
+	free(pEnt);
+
 	return TRUE;
 }
 
@@ -628,10 +635,18 @@ NVPreInit(ScrnInfoPtr pScrn, int flags)
 	pNv->pEnt = xf86GetEntityInfo(pScrn->entityList[0]);
 	if (pNv->pEnt->location.type != BUS_PCI)
 		return FALSE;
- 
+
+	if (xf86IsEntityShared(pScrn->entityList[0])) {
+		if(!xf86IsPrimInitDone(pScrn->entityList[0])) {
+			pNv->Primary = TRUE;
+			xf86SetPrimInitDone(pScrn->entityList[0]);
+		} else {
+			pNv->Secondary = TRUE;
+		}
+        }
+
 	/* Find the PCI info for this screen */
 	pNv->PciInfo = xf86GetPciInfoForEntity(pNv->pEnt->index);
-	pNv->Primary = xf86IsPrimaryPci(pNv->PciInfo);
 
 	/* Initialise the kernel module */
 	if (!NVPreInitDRM(pScrn))
diff --git a/src/nv_type.h b/src/nv_type.h
index 94c385a..4204556 100644
--- a/src/nv_type.h
+++ b/src/nv_type.h
@@ -33,6 +33,7 @@ typedef struct _NVRec {
     EntityInfoPtr       pEnt;
 	struct pci_device *PciInfo;
     Bool                Primary;
+    Bool		Secondary;
 
     /* Various pinned memory regions */
     struct nouveau_bo * scanout;

commit d40c16f5497739c0215f37566db1651a74cb20ba
Author: Francisco Jerez <currojerez@riseup.net>
Date:   Sat Oct 23 02:20:30 2010 +0200

    dri2: Fix build on X server 1.8.
    
    Signed-off-by: Francisco Jerez <currojerez@riseup.net>

diff --git a/src/nouveau_dri2.c b/src/nouveau_dri2.c
index 35146f2..65e7340 100644
--- a/src/nouveau_dri2.c
+++ b/src/nouveau_dri2.c
@@ -201,8 +201,8 @@ nouveau_dri2_finish_swap(DrawablePtr draw, unsigned int frame,
 	RegionRec reg;
 	int type, ret;
 
-	RegionInit(&reg, &(BoxRec){ 0, 0, draw->width, draw->height }, 0);
-	RegionTranslate(&reg, draw->x, draw->y);
+	REGION_INIT(0, &reg, (&(BoxRec){ 0, 0, draw->width, draw->height }), 0);
+	REGION_TRANSLATE(0, &reg, draw->x, draw->y);
 
 	/* Throttle on the previous frame before swapping */
 	nouveau_bo_map(dst_bo, NOUVEAU_BO_RD);
@@ -215,16 +215,16 @@ nouveau_dri2_finish_swap(DrawablePtr draw, unsigned int frame,
 			  NOUVEAU_BO_VRAM | NOUVEAU_BO_RD, 0, 0);
 
 		if (pNv->Architecture >= NV_ARCH_50)
-			NV50SyncToVBlank(dst_pix, RegionExtents(&reg));
+			NV50SyncToVBlank(dst_pix, REGION_EXTENTS(0, &reg));
 		else
-			NV11SyncToVBlank(dst_pix, RegionExtents(&reg));
+			NV11SyncToVBlank(dst_pix, REGION_EXTENTS(0, &reg));
 
 		FIRE_RING(chan);
 	}
 
 	if (can_exchange(draw, dst_pix, src_pix)) {
 		type = DRI2_EXCHANGE_COMPLETE;
-		DamageRegionAppend (draw, &reg);
+		DamageRegionAppend(draw, &reg);
 
 		if (DRI2CanFlip(draw)) {
 			type = DRI2_FLIP_COMPLETE;
@@ -239,7 +239,7 @@ nouveau_dri2_finish_swap(DrawablePtr draw, unsigned int frame,
 		DamageRegionProcessPending(draw);
 	} else {
 		type = DRI2_BLIT_COMPLETE;
-		RegionTranslate(&reg, -draw->x, -draw->y);
+		REGION_TRANSLATE(0, &reg, -draw->x, -draw->y);
 		nouveau_dri2_copy_region(draw, &reg, s->dst, s->src);
 	}
 

commit a4d580bf05d7aac1d486e5d1ba9a2201c026e5f5
Author: Francisco Jerez <currojerez@riseup.net>
Date:   Fri Oct 22 23:09:30 2010 +0200

    Bump the required X server version to 1.8.
    
    Signed-off-by: Francisco Jerez <currojerez@riseup.net>

diff --git a/configure.ac b/configure.ac
index 1c39923..676c2a4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -71,7 +71,7 @@ PKG_CHECK_MODULES(LIBDRM_NOUVEAU, libdrm_nouveau)
 AC_SUBST(LIBDRM_NOUVEAU_CFLAGS)
 AC_SUBST(LIBDRM_NOUVEAU_LIBS)
 
-PKG_CHECK_MODULES(XORG, [xorg-server >= 1.7] xproto fontsproto libdrm xf86driproto $REQUIRED_MODULES)
+PKG_CHECK_MODULES(XORG, [xorg-server >= 1.8] xproto fontsproto libdrm xf86driproto $REQUIRED_MODULES)
 PKG_CHECK_MODULES(XEXT, [xextproto >= 7.0.99.1],
 		  HAVE_XEXTPROTO_71="yes"; AC_DEFINE(HAVE_XEXTPROTO_71, 1, [xextproto 7.1 available]),
 		  HAVE_XEXTPROTO_71="no")

commit d0f2e16bc35660d01d3cd20a770cf8e613ab5323
Author: Francisco Jerez <currojerez@riseup.net>
Date:   Fri Oct 22 23:06:28 2010 +0200

    dri2: Report damage on page-flipped drawables.
    
    Signed-off-by: Francisco Jerez <currojerez@riseup.net>

diff --git a/src/nouveau_dri2.c b/src/nouveau_dri2.c
index b006cfc..35146f2 100644
--- a/src/nouveau_dri2.c
+++ b/src/nouveau_dri2.c
@@ -224,6 +224,7 @@ nouveau_dri2_finish_swap(DrawablePtr draw, unsigned int frame,
 
 	if (can_exchange(draw, dst_pix, src_pix)) {
 		type = DRI2_EXCHANGE_COMPLETE;
+		DamageRegionAppend (draw, &reg);
 
 		if (DRI2CanFlip(draw)) {
 			type = DRI2_FLIP_COMPLETE;
@@ -235,6 +236,7 @@ nouveau_dri2_finish_swap(DrawablePtr draw, unsigned int frame,
 		SWAP(s->dst->name, s->src->name);
 		SWAP(nouveau_pixmap(dst_pix)->bo, nouveau_pixmap(src_pix)->bo);
 
+		DamageRegionProcessPending(draw);
 	} else {
 		type = DRI2_BLIT_COMPLETE;
 		RegionTranslate(&reg, -draw->x, -draw->y);

commit c61e8d03161adcfbba4162172153814accf9e86b
Author: Francisco Jerez <currojerez@riseup.net>
Date:   Fri Oct 22 23:05:24 2010 +0200

    Make the sync-to-vblank helpers take a box as argument.
    
    Signed-off-by: Francisco Jerez <currojerez@riseup.net>

diff --git a/src/nouveau_dri2.c b/src/nouveau_dri2.c
index c8d5c57..b006cfc 100644
--- a/src/nouveau_dri2.c
+++ b/src/nouveau_dri2.c
@@ -198,26 +198,26 @@ nouveau_dri2_finish_swap(DrawablePtr draw, unsigned int frame,
 	struct nouveau_bo *dst_bo = nouveau_pixmap_bo(dst_pix);
 	struct nouveau_bo *src_bo = nouveau_pixmap_bo(src_pix);
 	struct nouveau_channel *chan = pNv->chan;
+	RegionRec reg;
 	int type, ret;
 
+	RegionInit(&reg, &(BoxRec){ 0, 0, draw->width, draw->height }, 0);
+	RegionTranslate(&reg, draw->x, draw->y);
+
 	/* Throttle on the previous frame before swapping */
 	nouveau_bo_map(dst_bo, NOUVEAU_BO_RD);
 	nouveau_bo_unmap(dst_bo);
 
 	if (can_sync_to_vblank(draw)) {
-		int x1 = draw->x, y1 = draw->y,
-			x2 = draw->x + draw->width,
-			y2 = draw->y + draw->height;
-
 		/* Reference the back buffer to sync it to vblank */
 		WAIT_RING(chan, 1);
 		OUT_RELOC(chan, src_bo, 0,
 			  NOUVEAU_BO_VRAM | NOUVEAU_BO_RD, 0, 0);
 
 		if (pNv->Architecture >= NV_ARCH_50)
-			NV50SyncToVBlank(dst_pix, x1, y1, x2, y2);
+			NV50SyncToVBlank(dst_pix, RegionExtents(&reg));
 		else
-			NV11SyncToVBlank(dst_pix, x1, y1, x2, y2);
+			NV11SyncToVBlank(dst_pix, RegionExtents(&reg));
 
 		FIRE_RING(chan);
 	}
@@ -236,13 +236,9 @@ nouveau_dri2_finish_swap(DrawablePtr draw, unsigned int frame,
 		SWAP(nouveau_pixmap(dst_pix)->bo, nouveau_pixmap(src_pix)->bo);
 
 	} else {
-		BoxRec box = { 0, 0, draw->width, draw->height };
-		RegionRec region;
-
-		RegionInit(&region, &box, 0);
-
 		type = DRI2_BLIT_COMPLETE;
-		nouveau_dri2_copy_region(draw, &region, s->dst, s->src);
+		RegionTranslate(&reg, -draw->x, -draw->y);
+		nouveau_dri2_copy_region(draw, &reg, s->dst, s->src);
 	}
 
 	/*
diff --git a/src/nv04_xv_blit.c b/src/nv04_xv_blit.c
index 55d82c4..be39c0d 100644
--- a/src/nv04_xv_blit.c
+++ b/src/nv04_xv_blit.c
@@ -130,8 +130,7 @@ NVPutBlitImage(ScrnInfoPtr pScrn, struct nouveau_bo *src, int src_offset,
 
         if(pPriv->SyncToVBlank) {
                 FIRE_RING(chan);
-		NV11SyncToVBlank(ppix, dstBox->x1, dstBox->y1,
-				 dstBox->x2, dstBox->y2);
+		NV11SyncToVBlank(ppix, dstBox);
         }
 
         if (pNv->dev->chipset >= 0x05) {
diff --git a/src/nv30_xv_tex.c b/src/nv30_xv_tex.c
index 61558e9..ffa68e4 100644
--- a/src/nv30_xv_tex.c
+++ b/src/nv30_xv_tex.c
@@ -350,8 +350,7 @@ NV30PutTextureImage(ScrnInfoPtr pScrn, struct nouveau_bo *src, int src_offset,
 	/* Just before rendering we wait for vblank in the non-composited case. */
 	if (pPriv->SyncToVBlank) {
 		FIRE_RING(chan);
-		NV11SyncToVBlank(ppix, dstBox->x1, dstBox->y1,
-				 dstBox->x2, dstBox->y2);
+		NV11SyncToVBlank(ppix, dstBox);
 	}
 
 	/* These are fixed point values in the 16.16 format. */
diff --git a/src/nv40_xv_tex.c b/src/nv40_xv_tex.c
index 602bb7a..e0444e8 100644
--- a/src/nv40_xv_tex.c
+++ b/src/nv40_xv_tex.c
@@ -339,8 +339,7 @@ NV40PutTextureImage(ScrnInfoPtr pScrn,
 	/* Just before rendering we wait for vblank in the non-composited case. */
 	if (pPriv->SyncToVBlank) {
 		FIRE_RING(chan);
-		NV11SyncToVBlank(ppix, dstBox->x1, dstBox->y1,
-				 dstBox->x2, dstBox->y2);
+		NV11SyncToVBlank(ppix, dstBox);
 	}
 
 	/* These are fixed point values in the 16.16 format. */
diff --git a/src/nv50_accel.c b/src/nv50_accel.c
index d0def57..95d1886 100644
--- a/src/nv50_accel.c
+++ b/src/nv50_accel.c
@@ -24,7 +24,7 @@
 #include "nv50_accel.h"
 
 void
-NV50SyncToVBlank(PixmapPtr ppix, int x1, int y1, int x2, int y2)
+NV50SyncToVBlank(PixmapPtr ppix, BoxPtr box)
 {
 	ScrnInfoPtr pScrn = xf86Screens[ppix->drawable.pScreen->myNum];
 	NVPtr pNv = NVPTR(pScrn);
@@ -35,7 +35,9 @@ NV50SyncToVBlank(PixmapPtr ppix, int x1, int y1, int x2, int y2)
 	if (!nouveau_exa_pixmap_is_onscreen(ppix))
 		return;
 
-	crtcs = nv_window_belongs_to_crtc(pScrn, x1, y1, x2 - x1, y2 - y1);
+	crtcs = nv_window_belongs_to_crtc(pScrn, box->x1, box->y1,
+					  box->x2 - box->x1,
+					  box->y2 - box->y1);
 	if (!crtcs)
 		return;
 
diff --git a/src/nv50_xv.c b/src/nv50_xv.c
index 87e22b5..e02f86d 100644
--- a/src/nv50_xv.c
+++ b/src/nv50_xv.c
@@ -289,8 +289,7 @@ nv50_xv_image_put(ScrnInfoPtr pScrn,
 		return BadAlloc;
 
 	if (pPriv->SyncToVBlank) {
-		NV50SyncToVBlank(ppix, dstBox->x1, dstBox->y1,
-				 dstBox->x2, dstBox->y2);
+		NV50SyncToVBlank(ppix, dstBox);
 	}
 
 	/* These are fixed point values in the 16.16 format. */
diff --git a/src/nv_accel_common.c b/src/nv_accel_common.c
index 3739c79..1ade291 100644
--- a/src/nv_accel_common.c
+++ b/src/nv_accel_common.c
@@ -90,7 +90,7 @@ nouveau_allocate_surface(ScrnInfoPtr scrn, int width, int height, int bpp,
 }
 
 void
-NV11SyncToVBlank(PixmapPtr ppix, int x1, int y1, int x2, int y2)
+NV11SyncToVBlank(PixmapPtr ppix, BoxPtr box)
 {
 	ScrnInfoPtr pScrn = xf86Screens[ppix->drawable.pScreen->myNum];
 	NVPtr pNv = NVPTR(pScrn);
@@ -101,7 +101,9 @@ NV11SyncToVBlank(PixmapPtr ppix, int x1, int y1, int x2, int y2)
 	if (!nouveau_exa_pixmap_is_onscreen(ppix))
 		return;
 
-	crtcs = nv_window_belongs_to_crtc(pScrn, x1, y1, x2 - x1, y2 - y1);
+	crtcs = nv_window_belongs_to_crtc(pScrn, box->x1, box->y1,
+					  box->x2 - box->x1,
+					  box->y2 - box->y1);
 	if (!crtcs)
 		return;
 
diff --git a/src/nv_proto.h b/src/nv_proto.h
index 8514af9..888e74e 100644
--- a/src/nv_proto.h
+++ b/src/nv_proto.h
@@ -17,7 +17,7 @@ Bool NVAccelGetCtxSurf2DFormatFromPixmap(PixmapPtr pPix, int *fmt_ret);
 Bool NVAccelGetCtxSurf2DFormatFromPicture(PicturePtr pPix, int *fmt_ret);
 PixmapPtr NVGetDrawablePixmap(DrawablePtr pDraw);
 void NVAccelFree(ScrnInfoPtr pScrn);
-void NV11SyncToVBlank(PixmapPtr ppix, int x1, int y1, int x2, int y2);
+void NV11SyncToVBlank(PixmapPtr ppix, BoxPtr box);
 Bool nouveau_allocate_surface(ScrnInfoPtr scrn, int width, int height,
 			      int bpp, int usage_hint, int *pitch,
 			      struct nouveau_bo **bo);
@@ -132,7 +132,7 @@ int NV40GetTexturePortAttribute(ScrnInfoPtr, Atom, INT32 *, pointer);
 int NV40SetTexturePortAttribute(ScrnInfoPtr, Atom, INT32, pointer);
 
 /* in nv50_accel.c */
-void NV50SyncToVBlank(PixmapPtr ppix, int x1, int y1, int x2, int y2);
+void NV50SyncToVBlank(PixmapPtr ppix, BoxPtr box);
 Bool NVAccelInitNV50TCL(ScrnInfoPtr pScrn);
 
 /* in nv50_exa.c */

commit a685a5c3be12f3e95a6ec1140af115e7ef28fcaa
Author: Francisco Jerez <currojerez@riseup.net>
Date:   Wed Oct 13 18:45:04 2010 +0200

    dri2: Implement the ScheduleWaitMSC/GetMSC hooks.
    
    Signed-off-by: Francisco Jerez <currojerez@riseup.net>

diff --git a/src/nouveau_dri2.c b/src/nouveau_dri2.c
index 7fdfa9c..c8d5c57 100644
--- a/src/nouveau_dri2.c
+++ b/src/nouveau_dri2.c
@@ -116,7 +116,8 @@ nouveau_dri2_copy_region(DrawablePtr pDraw, RegionPtr pRegion,
 
 struct nouveau_dri2_vblank_state {
 	enum {
-		SWAP
+		SWAP,
+		WAIT
 	} action;
 
 	ClientPtr client;
@@ -308,6 +309,66 @@ fail:
 	return FALSE;
 }
 
+static Bool
+nouveau_dri2_schedule_wait(ClientPtr client, DrawablePtr draw,
+			   CARD64 target_msc, CARD64 divisor, CARD64 remainder)
+{
+	struct nouveau_dri2_vblank_state *s;
+	CARD64 current_msc;
+	int ret;
+
+	if (!can_sync_to_vblank(draw))
+		return FALSE;
+
+	/* Initialize a vblank structure */
+	s = malloc(sizeof(*s));
+	if (!s)
+		return FALSE;
+
+	*s = (struct nouveau_dri2_vblank_state) { WAIT, client, draw->id };
+
+	/* Get current sequence */
+	ret = nouveau_wait_vblank(draw, DRM_VBLANK_RELATIVE, 0,
+				  &current_msc, NULL, NULL);
+	if (ret)
+		goto fail;
+
+	/* Calculate a wait target if we don't have one */
+	if (current_msc > target_msc && divisor)
+		target_msc = current_msc + divisor
+			- (current_msc - remainder) % divisor;
+
+	/* Request a vblank event */
+	ret = nouveau_wait_vblank(draw, DRM_VBLANK_ABSOLUTE |
+				  DRM_VBLANK_EVENT,
+				  max(current_msc, target_msc),
+				  NULL, NULL, s);
+	if (ret)
+		goto fail;
+
+	DRI2BlockClient(client, draw);
+	return TRUE;
+fail:
+	free(s);
+	return FALSE;
+}
+
+static Bool
+nouveau_dri2_get_msc(DrawablePtr draw, CARD64 *ust, CARD64 *msc)
+{
+	int ret;
+
+	if (!can_sync_to_vblank(draw))
+		return FALSE;
+
+	/* Get current sequence */
+	ret = nouveau_wait_vblank(draw, DRM_VBLANK_RELATIVE, 0, msc, ust, NULL);
+	if (ret)
+		return FALSE;
+
+	return TRUE;
+}
+
 void
 nouveau_dri2_vblank_handler(int fd, unsigned int frame,
 			    unsigned int tv_sec, unsigned int tv_usec,
@@ -326,6 +387,11 @@ nouveau_dri2_vblank_handler(int fd, unsigned int frame,
 	case SWAP:
 		nouveau_dri2_finish_swap(draw, frame, tv_sec, tv_usec, s);
 		break;
+
+	case WAIT:
+		DRI2WaitMSCComplete(s->client, draw, frame, tv_sec, tv_usec);
+		free(s);
+		break;
 	}
 }
 
@@ -349,6 +415,8 @@ nouveau_dri2_init(ScreenPtr pScreen)
 	dri2.DestroyBuffer = nouveau_dri2_destroy_buffer;
 	dri2.CopyRegion = nouveau_dri2_copy_region;
 	dri2.ScheduleSwap = nouveau_dri2_schedule_swap;
+	dri2.ScheduleWaitMSC = nouveau_dri2_schedule_wait;
+	dri2.GetMSC = nouveau_dri2_get_msc;
 
 	return DRI2ScreenInit(pScreen, &dri2);
 }

commit eb83c830c87bce345748edef3b50660246143db7
Author: Francisco Jerez <currojerez@riseup.net>
Date:   Thu Oct 21 22:57:08 2010 +0200

    dri2: Add pageflip/exchange support.
    
    Signed-off-by: Francisco Jerez <currojerez@riseup.net>

diff --git a/src/drmmode_display.c b/src/drmmode_display.c
index 4220cf5..94b19ea 100644
--- a/src/drmmode_display.c
+++ b/src/drmmode_display.c
@@ -1179,9 +1179,47 @@ drmmode_cursor_init(ScreenPtr pScreen)
 	return xf86_cursors_init(pScreen, size, size, flags);
 }
 
-#ifdef HAVE_LIBUDEV
+Bool
+drmmode_page_flip(DrawablePtr draw, PixmapPtr back, void *priv)
+{
+	ScrnInfoPtr scrn = xf86Screens[draw->pScreen->myNum];
+	xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn);
+	drmmode_crtc_private_ptr crtc = config->crtc[0]->driver_private;
+	drmmode_ptr mode = crtc->drmmode;
+	int ret, i, old_fb_id;
+
+	old_fb_id = mode->fb_id;
+	ret = drmModeAddFB(mode->fd, scrn->virtualX, scrn->virtualY,
+			   scrn->depth, scrn->bitsPerPixel,
+			   scrn->displayWidth * scrn->bitsPerPixel / 8,
+			   nouveau_pixmap_bo(back)->handle, &mode->fb_id);
+	if (ret) {
+		xf86DrvMsg(scrn->scrnIndex, X_WARNING,
+			   "add fb failed: %s\n", strerror(errno));
+		return FALSE;
+	}
+
+	for (i = 0; i < config->num_crtc; i++) {
+		crtc = config->crtc[i]->driver_private;
 
+		if (!config->crtc[i]->enabled)
+			continue;
 
+		ret = drmModePageFlip(mode->fd, crtc->mode_crtc->crtc_id,
+				      mode->fb_id, 0, priv);
+		if (ret) {
+			xf86DrvMsg(scrn->scrnIndex, X_WARNING,
+				   "flip queue failed: %s\n", strerror(errno));
+			return FALSE;
+		}
+	}
+
+	drmModeRmFB(mode->fd, old_fb_id);
+
+	return TRUE;
+}
+
+#ifdef HAVE_LIBUDEV
 static void
 drmmode_handle_uevents(ScrnInfoPtr scrn)
 {
diff --git a/src/nouveau_dri2.c b/src/nouveau_dri2.c
index 66fe16c..7fdfa9c 100644
--- a/src/nouveau_dri2.c
+++ b/src/nouveau_dri2.c
@@ -129,6 +129,20 @@ struct nouveau_dri2_vblank_state {
 };
 
 static Bool
+can_exchange(DrawablePtr draw, PixmapPtr dst_pix, PixmapPtr src_pix)
+{
+	ScrnInfoPtr scrn = xf86Screens[draw->pScreen->myNum];
+	NVPtr pNv = NVPTR(scrn);
+
+	return (!nouveau_exa_pixmap_is_onscreen(dst_pix) ||
+		(DRI2CanFlip(draw) && pNv->has_pageflip)) &&
+		dst_pix->drawable.width == src_pix->drawable.width &&
+		dst_pix->drawable.height == src_pix->drawable.height &&
+		dst_pix->drawable.depth == src_pix->drawable.depth &&
+		dst_pix->devKind == src_pix->devKind;
+}
+
+static Bool
 can_sync_to_vblank(DrawablePtr draw)
 {
 	ScrnInfoPtr scrn = xf86Screens[draw->pScreen->myNum];
@@ -183,9 +197,7 @@ nouveau_dri2_finish_swap(DrawablePtr draw, unsigned int frame,
 	struct nouveau_bo *dst_bo = nouveau_pixmap_bo(dst_pix);
 	struct nouveau_bo *src_bo = nouveau_pixmap_bo(src_pix);
 	struct nouveau_channel *chan = pNv->chan;
-	BoxRec box = { 0, 0, draw->width, draw->height };
-	RegionRec region;
-	int ret;
+	int type, ret;
 
 	/* Throttle on the previous frame before swapping */
 	nouveau_bo_map(dst_bo, NOUVEAU_BO_RD);
@@ -209,12 +221,40 @@ nouveau_dri2_finish_swap(DrawablePtr draw, unsigned int frame,
 		FIRE_RING(chan);
 	}
 
+	if (can_exchange(draw, dst_pix, src_pix)) {
+		type = DRI2_EXCHANGE_COMPLETE;
 
-	RegionInit(&region, &box, 0);
-	nouveau_dri2_copy_region(draw, &region, s->dst, s->src);
+		if (DRI2CanFlip(draw)) {
+			type = DRI2_FLIP_COMPLETE;
+			ret = drmmode_page_flip(draw, src_pix, s);
+			if (!ret)
+				goto out;
+		}
+
+		SWAP(s->dst->name, s->src->name);
+		SWAP(nouveau_pixmap(dst_pix)->bo, nouveau_pixmap(src_pix)->bo);
+
+	} else {
+		BoxRec box = { 0, 0, draw->width, draw->height };
+		RegionRec region;
+
+		RegionInit(&region, &box, 0);
+
+		type = DRI2_BLIT_COMPLETE;
+		nouveau_dri2_copy_region(draw, &region, s->dst, s->src);
+	}
 
+	/*
+	 * Tell the X server buffers are already swapped even if they're
+	 * not, to prevent it from blocking the client on the next
+	 * GetBuffers request (and let the client do triple-buffering).
+	 *
+	 * XXX - The DRI2SwapLimit() API will allow us to move this to
+	 *	 the flip handler with no FPS hit.
+	 */
 	DRI2SwapComplete(s->client, draw, frame, tv_sec, tv_usec,
-			 DRI2_BLIT_COMPLETE, s->func, s->data);
+			 type, s->func, s->data);
+out:
 	free(s);
 }
 
diff --git a/src/nouveau_local.h b/src/nouveau_local.h
index 5d3200a..38b861f 100644
--- a/src/nouveau_local.h
+++ b/src/nouveau_local.h
@@ -74,4 +74,10 @@ static inline int round_down_pow2(int x)
 	return 1 << log2i(x);
 }
 
+#define SWAP(x, y) do {			\
+		typeof(x) __z = (x);	\
+		(x) = (y);		\
+		(y) = __z;		\
+	} while (0)
+
 #endif
diff --git a/src/nv_driver.c b/src/nv_driver.c
index 5ef7984..fad7d6a 100644
--- a/src/nv_driver.c
+++ b/src/nv_driver.c
@@ -28,6 +28,7 @@
 #include "xf86int10.h"
 #include "xf86drm.h"
 #include "xf86drmMode.h"
+#include "nouveau_drm.h"
 
 /*
  * Forward definitions for the functions that make up the driver.
@@ -586,6 +587,7 @@ NVPreInit(ScrnInfoPtr pScrn, int flags)
 	struct nouveau_device *dev;
 	NVPtr pNv;
 	MessageType from;
+	uint64_t v;
 	int ret, i;
 
 	if (flags & PROBE_DETECT) {
@@ -792,6 +794,15 @@ NVPreInit(ScrnInfoPtr pScrn, int flags)
 			   pNv->glx_vblank ? "enabled" : "disabled");
 	}
 
+#ifdef NOUVEAU_GETPARAM_HAS_PAGEFLIP
+	ret = nouveau_device_get_param(pNv->dev,
+				       NOUVEAU_GETPARAM_HAS_PAGEFLIP, &v);
+	if (!ret)
+		pNv->has_pageflip = v;
+#else
+	(void)v;
+#endif
+
 	if(xf86GetOptValInteger(pNv->Options, OPTION_VIDEO_KEY, &(pNv->videoKey))) {
 		xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, "video key set to 0x%x\n",
 					pNv->videoKey);
diff --git a/src/nv_proto.h b/src/nv_proto.h
index ba234b3..8514af9 100644
--- a/src/nv_proto.h
+++ b/src/nv_proto.h
@@ -7,6 +7,7 @@ void drmmode_adjust_frame(ScrnInfoPtr pScrn, int x, int y, int flags);
 void drmmode_remove_fb(ScrnInfoPtr pScrn);
 Bool drmmode_cursor_init(ScreenPtr pScreen);
 void drmmode_fbcon_copy(ScreenPtr pScreen);
+Bool drmmode_page_flip(DrawablePtr draw, PixmapPtr back, void *priv);
 void drmmode_screen_init(ScreenPtr pScreen);
 void drmmode_screen_fini(ScreenPtr pScreen);
 
diff --git a/src/nv_type.h b/src/nv_type.h
index a9c693f..94c385a 100644
--- a/src/nv_type.h
+++ b/src/nv_type.h
@@ -51,6 +51,7 @@ typedef struct _NVRec {
     Bool		wfb_enabled;
     Bool		tiled_scanout;
     Bool		glx_vblank;
+    Bool		has_pageflip;
     ScreenBlockHandlerProcPtr BlockHandler;
     CreateScreenResourcesProcPtr CreateScreenResources;
     CloseScreenProcPtr  CloseScreen;

commit c88f13e25b0040c1dd0f93e0ac40f62a6005ce59
Author: Francisco Jerez <currojerez@riseup.net>
Date:   Thu Oct 14 22:25:50 2010 +0200

    Allocate a tiled scanout on pre-nv50 too.
    
    Pageflip between tiled and non-tiled surfaces isn't such a good idea.


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