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Accepting request 225987 from home:tobijk:branches:X11:XOrg

Browse Source 
Fixes for BNC#866445

OBS-URL: https://build.opensuse.org/request/show/225987
OBS-URL: https://build.opensuse.org/package/show/X11:XOrg/Mesa?expand=0&rev=362
This commit is contained in:
Stefan Dirsch 2014-03-18 11:29:12 +00:00 committed by Git OBS Bridge
parent 60290f679d
commit 4fe3fcb083
6 changed files with 562 additions and 0 deletions
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10
Mesa.changes
View File

@ -1,3 +1,13 @@
-------------------------------------------------------------------
Thu Mar 13 15:20:17 UTC 2014 - tobias.johannes.klausmann@mni.thm.de
- Add U_gallium_util_add_missing_u_math_include.patch (patch27)
- Add U_nouveau_create_only_one_shared_screen.patch (patch28)
- Add U_nouveau_add_valid_range_tracking.patch (patch29)
- Add U_nouveau_fix_fence_waiting_logic.patch (patch30)
+ https://bugzilla.novell.com/show_bug.cgi?id=866445
+ https://bugs.freedesktop.org/show_bug.cgi?id=75279
-------------------------------------------------------------------
Wed Mar 5 16:17:42 UTC 2014 - tobias.johannes.klausmann@mni.thm.de

10
Mesa.spec
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@ -118,6 +118,11 @@ Patch11: u_Fix-crash-in-swrast-when-setting-a-texture-for-a-pix.patch
Patch13: u_mesa-8.0.1-fix-16bpp.patch
# Patch from Fedora, use shmget when available, under llvmpipe
Patch15: u_mesa-8.0-llvmpipe-shmget.patch
# BNC#866445
Patch27: U_gallium_util_add_missing_u_math_include.patch
Patch28: U_nouveau_create_only_one_shared_screen.patch
Patch29: U_nouveau_add_valid_range_tracking.patch
Patch30: U_nouveau_fix_fence_waiting_logic.patch
BuildRoot: %{_tmppath}/%{name}-%{version}-build
@ -482,6 +487,11 @@ rm -rf docs/README.{VMS,WIN32,OS2}
#%patch11 -p1
#%patch15 -p1
#%patch13 -p1
###
%patch27 -p1
%patch28 -p1
%patch29 -p1
%patch30 -p1
%build
rm -f src/mesa/depend

26
U_gallium_util_add_missing_u_math_include.patch Normal file
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@ -0,0 +1,26 @@
From f19271c7bf73efe6d583e9dc5fc37329558a5cc3 Mon Sep 17 00:00:00 2001
From: Ilia Mirkin <imirkin@alum.mit.edu>
Date: Thu, 27 Feb 2014 06:07:30 +0000
Subject: gallium/util: add missing u_math include
This is needed for MIN2/MAX2
Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
---
diff --git a/src/gallium/auxiliary/util/u_range.h b/src/gallium/auxiliary/util/u_range.h
index 4b1d0d1..efe25ef 100644
--- a/src/gallium/auxiliary/util/u_range.h
+++ b/src/gallium/auxiliary/util/u_range.h
@@ -36,6 +36,8 @@
#include "os/os_thread.h"
+#include "util/u_math.h"
+
struct util_range {
unsigned start; /* inclusive */
unsigned end; /* exclusive */
--
cgit v0.9.0.2-2-gbebe

200
U_nouveau_add_valid_range_tracking.patch Normal file
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@ -0,0 +1,200 @@
From 5bf90cb521d1d6f26684b1ce9d0811c636b6abb1 Mon Sep 17 00:00:00 2001
From: Ilia Mirkin <imirkin@alum.mit.edu>
Date: Thu, 27 Feb 2014 06:07:51 +0000
Subject: nouveau: add valid range tracking to nouveau_buffer
This logic is borrowed from the radeon code. The transfer logic will
only get called for PIPE_BUFFER resources, so it shouldn't be necessary
to worry about them becoming render targets.
Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Christoph Bumiller <e0425955@student.tuwien.ac.at>
---
diff --git a/src/gallium/drivers/nouveau/nouveau_buffer.c b/src/gallium/drivers/nouveau/nouveau_buffer.c
index 5b0b93b..e308ff4 100644
--- a/src/gallium/drivers/nouveau/nouveau_buffer.c
+++ b/src/gallium/drivers/nouveau/nouveau_buffer.c
@@ -69,6 +69,8 @@ nouveau_buffer_allocate(struct nouveau_screen *screen,
if (buf->bo)
buf->address = buf->bo->offset + buf->offset;
+ util_range_set_empty(&buf->valid_buffer_range);
+
return TRUE;
}
@@ -124,6 +126,8 @@ nouveau_buffer_destroy(struct pipe_screen *pscreen,
nouveau_fence_ref(NULL, &res->fence);
nouveau_fence_ref(NULL, &res->fence_wr);
+ util_range_destroy(&res->valid_buffer_range);
+
FREE(res);
NOUVEAU_DRV_STAT(nouveau_screen(pscreen), buf_obj_current_count, -1);
@@ -387,6 +391,17 @@ nouveau_buffer_transfer_map(struct pipe_context *pipe,
if (usage & PIPE_TRANSFER_WRITE)
NOUVEAU_DRV_STAT(nv->screen, buf_transfers_wr, 1);
+ /* If we are trying to write to an uninitialized range, the user shouldn't
+ * care what was there before. So we can treat the write as if the target
+ * range were being discarded. Furthermore, since we know that even if this
+ * buffer is busy due to GPU activity, because the contents were
+ * uninitialized, the GPU can't care what was there, and so we can treat
+ * the write as being unsynchronized.
+ */
+ if ((usage & PIPE_TRANSFER_WRITE) &&
+ !util_ranges_intersect(&buf->valid_buffer_range, box->x, box->x + box->width))
+ usage |= PIPE_TRANSFER_DISCARD_RANGE | PIPE_TRANSFER_UNSYNCHRONIZED;
+
if (buf->domain == NOUVEAU_BO_VRAM) {
if (usage & NOUVEAU_TRANSFER_DISCARD) {
/* Set up a staging area for the user to write to. It will be copied
@@ -492,8 +507,14 @@ nouveau_buffer_transfer_flush_region(struct pipe_context *pipe,
const struct pipe_box *box)
{
struct nouveau_transfer *tx = nouveau_transfer(transfer);
+ struct nv04_resource *buf = nv04_resource(transfer->resource);
+
if (tx->map)
nouveau_transfer_write(nouveau_context(pipe), tx, box->x, box->width);
+
+ util_range_add(&buf->valid_buffer_range,
+ tx->base.box.x + box->x,
+ tx->base.box.x + box->x + box->width);
}
/* Unmap stage of the transfer. If it was a WRITE transfer and the map that
@@ -522,6 +543,9 @@ nouveau_buffer_transfer_unmap(struct pipe_context *pipe,
if (bind & (PIPE_BIND_CONSTANT_BUFFER))
nv->cb_dirty = TRUE;
}
+
+ util_range_add(&buf->valid_buffer_range,
+ tx->base.box.x, tx->base.box.x + tx->base.box.width);
}
if (!tx->bo && (tx->base.usage & PIPE_TRANSFER_WRITE))
@@ -562,6 +586,8 @@ nouveau_copy_buffer(struct nouveau_context *nv,
&dst->base, 0, dstx, 0, 0,
&src->base, 0, &src_box);
}
+
+ util_range_add(&dst->valid_buffer_range, dstx, dstx + size);
}
@@ -659,6 +685,8 @@ nouveau_buffer_create(struct pipe_screen *pscreen,
NOUVEAU_DRV_STAT(screen, buf_obj_current_count, 1);
+ util_range_init(&buffer->valid_buffer_range);
+
return &buffer->base;
fail:
@@ -690,6 +718,9 @@ nouveau_user_buffer_create(struct pipe_screen *pscreen, void *ptr,
buffer->data = ptr;
buffer->status = NOUVEAU_BUFFER_STATUS_USER_MEMORY;
+ util_range_init(&buffer->valid_buffer_range);
+ util_range_add(&buffer->valid_buffer_range, 0, bytes);
+
return &buffer->base;
}
diff --git a/src/gallium/drivers/nouveau/nouveau_buffer.h b/src/gallium/drivers/nouveau/nouveau_buffer.h
index aeb9b17..f881adc 100644
--- a/src/gallium/drivers/nouveau/nouveau_buffer.h
+++ b/src/gallium/drivers/nouveau/nouveau_buffer.h
@@ -1,6 +1,7 @@
#ifndef __NOUVEAU_BUFFER_H__
#define __NOUVEAU_BUFFER_H__
+#include "util/u_range.h"
#include "util/u_transfer.h"
#include "util/u_double_list.h"
@@ -44,6 +45,9 @@ struct nv04_resource {
struct nouveau_fence *fence_wr;
struct nouveau_mm_allocation *mm;
+
+ /* buffer range that has been initialized */
+ struct util_range valid_buffer_range;
};
void
diff --git a/src/gallium/drivers/nouveau/nv50/nv50_resource.c b/src/gallium/drivers/nouveau/nv50/nv50_resource.c
index 7fbb0a9..d289b4a 100644
--- a/src/gallium/drivers/nouveau/nv50/nv50_resource.c
+++ b/src/gallium/drivers/nouveau/nv50/nv50_resource.c
@@ -68,6 +68,8 @@ nv50_surface_create(struct pipe_context *pipe,
struct pipe_resource *pres,
const struct pipe_surface *templ)
{
+ /* surfaces are assumed to be miptrees all over the place. */
+ assert(pres->target != PIPE_BUFFER);
if (unlikely(pres->target == PIPE_BUFFER))
return nv50_surface_from_buffer(pipe, pres, templ);
return nv50_miptree_surface_new(pipe, pres, templ);
diff --git a/src/gallium/drivers/nouveau/nv50/nv50_state.c b/src/gallium/drivers/nouveau/nv50/nv50_state.c
index 288ba46..c03d729 100644
--- a/src/gallium/drivers/nouveau/nv50/nv50_state.c
+++ b/src/gallium/drivers/nouveau/nv50/nv50_state.c
@@ -1010,6 +1010,7 @@ nv50_so_target_create(struct pipe_context *pipe,
struct pipe_resource *res,
unsigned offset, unsigned size)
{
+ struct nv04_resource *buf = (struct nv04_resource *)res;
struct nv50_so_target *targ = MALLOC_STRUCT(nv50_so_target);
if (!targ)
return NULL;
@@ -1033,6 +1034,9 @@ nv50_so_target_create(struct pipe_context *pipe,
pipe_resource_reference(&targ->pipe.buffer, res);
pipe_reference_init(&targ->pipe.reference, 1);
+ assert(buf->base.target == PIPE_BUFFER);
+ util_range_add(&buf->valid_buffer_range, offset, offset + size);
+
return &targ->pipe;
}
diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_resource.c b/src/gallium/drivers/nouveau/nvc0/nvc0_resource.c
index 4e70903..12b5a02 100644
--- a/src/gallium/drivers/nouveau/nvc0/nvc0_resource.c
+++ b/src/gallium/drivers/nouveau/nvc0/nvc0_resource.c
@@ -36,6 +36,8 @@ nvc0_surface_create(struct pipe_context *pipe,
struct pipe_resource *pres,
const struct pipe_surface *templ)
{
+ /* surfaces are assumed to be miptrees all over the place. */
+ assert(pres->target != PIPE_BUFFER);
if (unlikely(pres->target == PIPE_BUFFER))
return nv50_surface_from_buffer(pipe, pres, templ);
return nvc0_miptree_surface_new(pipe, pres, templ);
diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_state.c b/src/gallium/drivers/nouveau/nvc0/nvc0_state.c
index 0213a8e..dec5355 100644
--- a/src/gallium/drivers/nouveau/nvc0/nvc0_state.c
+++ b/src/gallium/drivers/nouveau/nvc0/nvc0_state.c
@@ -992,6 +992,7 @@ nvc0_so_target_create(struct pipe_context *pipe,
struct pipe_resource *res,
unsigned offset, unsigned size)
{
+ struct nv04_resource *buf = (struct nv04_resource *)res;
struct nvc0_so_target *targ = MALLOC_STRUCT(nvc0_so_target);
if (!targ)
return NULL;
@@ -1010,6 +1011,9 @@ nvc0_so_target_create(struct pipe_context *pipe,
pipe_resource_reference(&targ->pipe.buffer, res);
pipe_reference_init(&targ->pipe.reference, 1);
+ assert(buf->base.target == PIPE_BUFFER);
+ util_range_add(&buf->valid_buffer_range, offset, offset + size);
+
return &targ->pipe;
}
--
cgit v0.9.0.2-2-gbebe

231
U_nouveau_create_only_one_shared_screen.patch Normal file
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@ -0,0 +1,231 @@
From fee0686c21c631d96d6042741267a3c218c23ffc Mon Sep 17 00:00:00 2001
From: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Date: Wed, 12 Feb 2014 13:56:53 +0000
Subject: nouveau: create only 1 shared screen between vdpau and opengl
This fixes bug 73200 "vdpau-GL interop fails due to different screen
objects" in the same way radeon does.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>
---
diff --git a/src/gallium/drivers/nouveau/nouveau_screen.c b/src/gallium/drivers/nouveau/nouveau_screen.c
index 21b31e0..f742a94 100644
--- a/src/gallium/drivers/nouveau/nouveau_screen.c
+++ b/src/gallium/drivers/nouveau/nouveau_screen.c
@@ -144,6 +144,12 @@ nouveau_screen_init(struct nouveau_screen *screen, struct nouveau_device *dev)
if (nv_dbg)
nouveau_mesa_debug = atoi(nv_dbg);
+ /*
+ * this is initialized to 1 in nouveau_drm_screen_create after screen
+ * is fully constructed and added to the global screen list.
+ */
+ screen->refcount = -1;
+
if (dev->chipset < 0xc0) {
data = &nv04_data;
size = sizeof(nv04_data);
diff --git a/src/gallium/drivers/nouveau/nouveau_screen.h b/src/gallium/drivers/nouveau/nouveau_screen.h
index 51e24fa..cf06f7e 100644
--- a/src/gallium/drivers/nouveau/nouveau_screen.h
+++ b/src/gallium/drivers/nouveau/nouveau_screen.h
@@ -22,6 +22,8 @@ struct nouveau_screen {
struct nouveau_client *client;
struct nouveau_pushbuf *pushbuf;
+ int refcount;
+
unsigned vidmem_bindings; /* PIPE_BIND_* where VRAM placement is desired */
unsigned sysmem_bindings; /* PIPE_BIND_* where GART placement is desired */
unsigned lowmem_bindings; /* PIPE_BIND_* that require an address < 4 GiB */
@@ -112,6 +114,8 @@ nouveau_screen(struct pipe_screen *pscreen)
return (struct nouveau_screen *)pscreen;
}
+boolean nouveau_drm_screen_unref(struct nouveau_screen *screen);
+
boolean
nouveau_screen_bo_get_handle(struct pipe_screen *pscreen,
struct nouveau_bo *bo,
diff --git a/src/gallium/drivers/nouveau/nv30/nv30_screen.c b/src/gallium/drivers/nouveau/nv30/nv30_screen.c
index c027a5f..9854708 100644
--- a/src/gallium/drivers/nouveau/nv30/nv30_screen.c
+++ b/src/gallium/drivers/nouveau/nv30/nv30_screen.c
@@ -302,6 +302,9 @@ nv30_screen_destroy(struct pipe_screen *pscreen)
{
struct nv30_screen *screen = nv30_screen(pscreen);
+ if (!nouveau_drm_screen_unref(&screen->base))
+ return;
+
if (screen->base.fence.current &&
screen->base.fence.current->state >= NOUVEAU_FENCE_STATE_EMITTED) {
nouveau_fence_wait(screen->base.fence.current);
diff --git a/src/gallium/drivers/nouveau/nv50/nv50_screen.c b/src/gallium/drivers/nouveau/nv50/nv50_screen.c
index e636bf8..db3265f 100644
--- a/src/gallium/drivers/nouveau/nv50/nv50_screen.c
+++ b/src/gallium/drivers/nouveau/nv50/nv50_screen.c
@@ -287,6 +287,9 @@ nv50_screen_destroy(struct pipe_screen *pscreen)
{
struct nv50_screen *screen = nv50_screen(pscreen);
+ if (!nouveau_drm_screen_unref(&screen->base))
+ return;
+
if (screen->base.fence.current) {
nouveau_fence_wait(screen->base.fence.current);
nouveau_fence_ref (NULL, &screen->base.fence.current);
diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
index 28d9be2..f04771d 100644
--- a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
+++ b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
@@ -333,6 +333,9 @@ nvc0_screen_destroy(struct pipe_screen *pscreen)
{
struct nvc0_screen *screen = nvc0_screen(pscreen);
+ if (!nouveau_drm_screen_unref(&screen->base))
+ return;
+
if (screen->base.fence.current) {
nouveau_fence_wait(screen->base.fence.current);
nouveau_fence_ref(NULL, &screen->base.fence.current);
diff --git a/src/gallium/targets/dri-nouveau/Makefile.am b/src/gallium/targets/dri-nouveau/Makefile.am
index 1988067..4bd4e21 100644
--- a/src/gallium/targets/dri-nouveau/Makefile.am
+++ b/src/gallium/targets/dri-nouveau/Makefile.am
@@ -20,6 +20,7 @@
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
# DEALINGS IN THE SOFTWARE.
+DRI_VERSION_SCRIPT = $(srcdir)/nouveau_dri.link
include $(top_srcdir)/src/gallium/Automake.inc
AM_CFLAGS = \
diff --git a/src/gallium/targets/dri-nouveau/nouveau_dri.link b/src/gallium/targets/dri-nouveau/nouveau_dri.link
new file mode 100644
index 0000000..16015aa
--- a/dev/null
+++ b/src/gallium/targets/dri-nouveau/nouveau_dri.link
@@ -0,0 +1,6 @@
+VERSION {
+ global:
+ __driDriverExtensions;
+ nouveau_drm_screen_create;
+ local: *;
+};
diff --git a/src/gallium/winsys/nouveau/drm/nouveau_drm_winsys.c b/src/gallium/winsys/nouveau/drm/nouveau_drm_winsys.c
index e4f27f6..a077c48 100644
--- a/src/gallium/winsys/nouveau/drm/nouveau_drm_winsys.c
+++ b/src/gallium/winsys/nouveau/drm/nouveau_drm_winsys.c
@@ -1,24 +1,83 @@
+#include <sys/stat.h>
#include "pipe/p_context.h"
#include "pipe/p_state.h"
#include "util/u_format.h"
#include "util/u_memory.h"
#include "util/u_inlines.h"
+#include "util/u_hash_table.h"
+#include "os/os_thread.h"
#include "nouveau_drm_public.h"
#include "nouveau/nouveau_winsys.h"
#include "nouveau/nouveau_screen.h"
-struct pipe_screen *
+static struct util_hash_table *fd_tab = NULL;
+
+pipe_static_mutex(nouveau_screen_mutex);
+
+boolean nouveau_drm_screen_unref(struct nouveau_screen *screen)
+{
+ int ret;
+ if (screen->refcount == -1)
+ return true;
+
+ pipe_mutex_lock(nouveau_screen_mutex);
+ ret = --screen->refcount;
+ assert(ret >= 0);
+ if (ret == 0)
+ util_hash_table_remove(fd_tab, intptr_to_pointer(screen->device->fd));
+ pipe_mutex_unlock(nouveau_screen_mutex);
+ return ret == 0;
+}
+
+static unsigned hash_fd(void *key)
+{
+ int fd = pointer_to_intptr(key);
+ struct stat stat;
+ fstat(fd, &stat);
+
+ return stat.st_dev ^ stat.st_ino ^ stat.st_rdev;
+}
+
+static int compare_fd(void *key1, void *key2)
+{
+ int fd1 = pointer_to_intptr(key1);
+ int fd2 = pointer_to_intptr(key2);
+ struct stat stat1, stat2;
+ fstat(fd1, &stat1);
+ fstat(fd2, &stat2);
+
+ return stat1.st_dev != stat2.st_dev ||
+ stat1.st_ino != stat2.st_ino ||
+ stat1.st_rdev != stat2.st_rdev;
+}
+
+PUBLIC struct pipe_screen *
nouveau_drm_screen_create(int fd)
{
struct nouveau_device *dev = NULL;
struct pipe_screen *(*init)(struct nouveau_device *);
+ struct nouveau_screen *screen;
int ret;
+ pipe_mutex_lock(nouveau_screen_mutex);
+ if (!fd_tab) {
+ fd_tab = util_hash_table_create(hash_fd, compare_fd);
+ if (!fd_tab)
+ goto err;
+ }
+
+ screen = util_hash_table_get(fd_tab, intptr_to_pointer(fd));
+ if (screen) {
+ screen->refcount++;
+ pipe_mutex_unlock(nouveau_screen_mutex);
+ return &screen->base;
+ }
+
ret = nouveau_device_wrap(fd, 0, &dev);
if (ret)
- return NULL;
+ goto err;
switch (dev->chipset & ~0xf) {
case 0x30:
@@ -42,8 +101,19 @@ nouveau_drm_screen_create(int fd)
default:
debug_printf("%s: unknown chipset nv%02x\n", __func__,
dev->chipset);
- return NULL;
+ goto err;
}
- return init(dev);
+ screen = (struct nouveau_screen*)init(dev);
+ if (!screen)
+ goto err;
+
+ util_hash_table_set(fd_tab, intptr_to_pointer(fd), screen);
+ screen->refcount = 1;
+ pipe_mutex_unlock(nouveau_screen_mutex);
+ return &screen->base;
+
+err:
+ pipe_mutex_unlock(nouveau_screen_mutex);
+ return NULL;
}
--
cgit v0.9.0.2-2-gbebe

85
U_nouveau_fix_fence_waiting_logic.patch Normal file
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@ -0,0 +1,85 @@
From 507f0230d4ca2238c818006499e21abb4c133203 Mon Sep 17 00:00:00 2001
From: Ilia Mirkin <imirkin@alum.mit.edu>
Date: Thu, 06 Mar 2014 03:25:55 +0000
Subject: nouveau: fix fence waiting logic in screen destroy
nouveau_fence_wait has the expectation that an external entity is
holding onto the fence being waited on, not that it is merely held onto
by the current pointer. Fixes a use-after-free in nouveau_fence_wait
when used on the screen's current fence.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=75279
Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Christoph Bumiller <e0425955@student.tuwien.ac.at>
Cc: "9.2 10.0 10.1" <mesa-stable@lists.freedesktop.org>
---
diff --git a/src/gallium/drivers/nouveau/nv30/nv30_screen.c b/src/gallium/drivers/nouveau/nv30/nv30_screen.c
index 82f2c06..5378913 100644
--- a/src/gallium/drivers/nouveau/nv30/nv30_screen.c
+++ b/src/gallium/drivers/nouveau/nv30/nv30_screen.c
@@ -308,10 +308,16 @@ nv30_screen_destroy(struct pipe_screen *pscreen)
if (!nouveau_drm_screen_unref(&screen->base))
return;
- if (screen->base.fence.current &&
- screen->base.fence.current->state >= NOUVEAU_FENCE_STATE_EMITTED) {
- nouveau_fence_wait(screen->base.fence.current);
- nouveau_fence_ref (NULL, &screen->base.fence.current);
+ if (screen->base.fence.current) {
+ struct nouveau_fence *current = NULL;
+
+ /* nouveau_fence_wait will create a new current fence, so wait on the
+ * _current_ one, and remove both.
+ */
+ nouveau_fence_ref(screen->base.fence.current, &current);
+ nouveau_fence_wait(current);
+ nouveau_fence_ref(NULL, &current);
+ nouveau_fence_ref(NULL, &screen->base.fence.current);
}
nouveau_object_del(&screen->query);
diff --git a/src/gallium/drivers/nouveau/nv50/nv50_screen.c b/src/gallium/drivers/nouveau/nv50/nv50_screen.c
index ab0d63e..e8c7fe3 100644
--- a/src/gallium/drivers/nouveau/nv50/nv50_screen.c
+++ b/src/gallium/drivers/nouveau/nv50/nv50_screen.c
@@ -294,8 +294,15 @@ nv50_screen_destroy(struct pipe_screen *pscreen)
return;
if (screen->base.fence.current) {
- nouveau_fence_wait(screen->base.fence.current);
- nouveau_fence_ref (NULL, &screen->base.fence.current);
+ struct nouveau_fence *current = NULL;
+
+ /* nouveau_fence_wait will create a new current fence, so wait on the
+ * _current_ one, and remove both.
+ */
+ nouveau_fence_ref(screen->base.fence.current, &current);
+ nouveau_fence_wait(current);
+ nouveau_fence_ref(NULL, &current);
+ nouveau_fence_ref(NULL, &screen->base.fence.current);
}
if (screen->base.pushbuf)
screen->base.pushbuf->user_priv = NULL;
diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
index 044847d..04f3088 100644
--- a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
+++ b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
@@ -340,7 +340,14 @@ nvc0_screen_destroy(struct pipe_screen *pscreen)
return;
if (screen->base.fence.current) {
- nouveau_fence_wait(screen->base.fence.current);
+ struct nouveau_fence *current = NULL;
+
+ /* nouveau_fence_wait will create a new current fence, so wait on the
+ * _current_ one, and remove both.
+ */
+ nouveau_fence_ref(screen->base.fence.current, &current);
+ nouveau_fence_wait(current);
+ nouveau_fence_ref(NULL, &current);
nouveau_fence_ref(NULL, &screen->base.fence.current);
}
if (screen->base.pushbuf)
--
cgit v0.9.0.2-2-gbebe