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Mesa/N_02-nouveau-more-locking-make-sure-that-fence-work-is-always-done-with-the-push-mutex-acquired.patch
Max Staudt 12a58d062e - N_01-WIP-nouveau-add-locking.patch
N_02-nouveau-more-locking-make-sure-that-fence-work-is-always-done-with-the-push-mutex-acquired.patch
  N_03-nv30-locking-fixes.patch
  N_04-nv50-Fix-double-lock-in-nv50_hw_sm_get_query_result.patch
  N_05-Use-nv50_render_condition-in-nv50_blitctx_post_blit.patch

  Backport nouveau locking workaround to enable multithreading.

  Source: https://github.com/imirkin/mesa/commits/locking

  According to the author, crashes may still happen, but much more rarely.

  Tested on GK107.

  N_04-* and N_05-* include untested fixes for nv50.

  Fixes (boo#997171) as suggested in (fdo#91632).

OBS-URL: https://build.opensuse.org/package/show/X11:XOrg/Mesa?expand=0&rev=540
2016-10-14 09:11:02 +00:00

97 lines
4.1 KiB
Diff

From: Ilia Mirkin <imirkin@alum.mit.edu>
Date: Mon Jun 6 20:30:48 2016 -0400
Subject: [PATCH 2/5]nouveau: more locking - make sure that fence work is always done with the push mutex acquired
Patch-mainline: N/A
References: boo#997171
Signed-off-by: Max Staudt <mstaudt@suse.de>
Cherry-picked from 2733e5483e1c2b80e4b0ae21187ec5e3e1579397
at https://github.com/imirkin/mesa.git
Signed-off-by: Max Staudt <mstaudt@suse.de>
---
src/gallium/drivers/nouveau/nouveau_buffer.c | 4 ++++
src/gallium/drivers/nouveau/nv50/nv50_miptree.c | 7 +++++--
src/gallium/drivers/nouveau/nv50/nv50_query_hw.c | 5 ++++-
src/gallium/drivers/nouveau/nvc0/nvc0_query_hw.c | 5 ++++-
4 files changed, 17 insertions(+), 4 deletions(-)
diff --git a/src/gallium/drivers/nouveau/nouveau_buffer.c b/src/gallium/drivers/nouveau/nouveau_buffer.c
index b54c19b..a5a06cf 100644
--- a/src/gallium/drivers/nouveau/nouveau_buffer.c
+++ b/src/gallium/drivers/nouveau/nouveau_buffer.c
@@ -80,6 +80,8 @@ release_allocation(struct nouveau_mm_allocation **mm,
inline void
nouveau_buffer_release_gpu_storage(struct nv04_resource *buf)
{
+ if (buf->fence)
+ pipe_mutex_lock(buf->fence->screen->push_mutex);
if (buf->fence && buf->fence->state < NOUVEAU_FENCE_STATE_FLUSHED) {
nouveau_fence_work(buf->fence, nouveau_fence_unref_bo, buf->bo);
buf->bo = NULL;
@@ -89,6 +91,8 @@ nouveau_buffer_release_gpu_storage(struct nv04_resource *buf)
if (buf->mm)
release_allocation(&buf->mm, buf->fence);
+ if (buf->fence)
+ pipe_mutex_unlock(buf->fence->screen->push_mutex);
if (buf->domain == NOUVEAU_BO_VRAM)
NOUVEAU_DRV_STAT_RES(buf, buf_obj_current_bytes_vid, -(uint64_t)buf->base.width0);
diff --git a/src/gallium/drivers/nouveau/nv50/nv50_miptree.c b/src/gallium/drivers/nouveau/nv50/nv50_miptree.c
index 7450119..38e4faf 100644
--- a/src/gallium/drivers/nouveau/nv50/nv50_miptree.c
+++ b/src/gallium/drivers/nouveau/nv50/nv50_miptree.c
@@ -163,10 +163,13 @@ nv50_miptree_destroy(struct pipe_screen *pscreen, struct pipe_resource *pt)
{
struct nv50_miptree *mt = nv50_miptree(pt);
- if (mt->base.fence && mt->base.fence->state < NOUVEAU_FENCE_STATE_FLUSHED)
+ if (mt->base.fence && mt->base.fence->state < NOUVEAU_FENCE_STATE_FLUSHED) {
+ pipe_mutex_lock(nouveau_screen(pscreen)->push_mutex);
nouveau_fence_work(mt->base.fence, nouveau_fence_unref_bo, mt->base.bo);
- else
+ pipe_mutex_unlock(nouveau_screen(pscreen)->push_mutex);
+ } else {
nouveau_bo_ref(NULL, &mt->base.bo);
+ }
nouveau_fence_ref(NULL, &mt->base.fence);
nouveau_fence_ref(NULL, &mt->base.fence_wr);
diff --git a/src/gallium/drivers/nouveau/nv50/nv50_query_hw.c b/src/gallium/drivers/nouveau/nv50/nv50_query_hw.c
index 9067bcc..d2ad72e 100644
--- a/src/gallium/drivers/nouveau/nv50/nv50_query_hw.c
+++ b/src/gallium/drivers/nouveau/nv50/nv50_query_hw.c
@@ -56,9 +56,12 @@ nv50_hw_query_allocate(struct nv50_context *nv50, struct nv50_query *q,
if (hq->mm) {
if (hq->state == NV50_HW_QUERY_STATE_READY)
nouveau_mm_free(hq->mm);
- else
+ else {
+ pipe_mutex_lock(screen->base.push_mutex);
nouveau_fence_work(screen->base.fence.current,
nouveau_mm_free_work, hq->mm);
+ pipe_mutex_unlock(screen->base.push_mutex);
+ }
}
}
if (size) {
diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_query_hw.c b/src/gallium/drivers/nouveau/nvc0/nvc0_query_hw.c
index f2584cb..4b51a67 100644
--- a/src/gallium/drivers/nouveau/nvc0/nvc0_query_hw.c
+++ b/src/gallium/drivers/nouveau/nvc0/nvc0_query_hw.c
@@ -48,9 +48,12 @@ nvc0_hw_query_allocate(struct nvc0_context *nvc0, struct nvc0_query *q,
if (hq->mm) {
if (hq->state == NVC0_HW_QUERY_STATE_READY)
nouveau_mm_free(hq->mm);
- else
+ else {
+ pipe_mutex_lock(screen->base.push_mutex);
nouveau_fence_work(screen->base.fence.current,
nouveau_mm_free_work, hq->mm);
+ pipe_mutex_unlock(screen->base.push_mutex);
+ }
}
}
if (size) {