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Merge branch 'drm-misc-fixes' of ssh://git.freedesktop.org/git/drm/drm-misc into drm-fixes

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This merges two fixes that haven't been sent to me yet, but I wanted to get in.

One amdgpu fix, but one nouveau regression fixer.

Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2021-12-31 11:40:29 +10:00
commit ce9b333c73
2 changed files with 29 additions and 27 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
View file

@ -384,7 +384,7 @@ amdgpu_dma_buf_move_notify(struct dma_buf_attachment *attach)
struct amdgpu_vm_bo_base *bo_base;
int r;
if (bo->tbo.resource->mem_type == TTM_PL_SYSTEM)
if (!bo->tbo.resource || bo->tbo.resource->mem_type == TTM_PL_SYSTEM)
return;
r = ttm_bo_validate(&bo->tbo, &placement, &ctx);

54
drivers/gpu/drm/nouveau/nouveau_fence.c
View file

@ -353,34 +353,16 @@ nouveau_fence_sync(struct nouveau_bo *nvbo, struct nouveau_channel *chan, bool e
if (ret)
return ret;
fobj = NULL;
} else {
fobj = dma_resv_shared_list(resv);
}
fobj = dma_resv_shared_list(resv);
fence = dma_resv_excl_fence(resv);
if (fence) {
struct nouveau_channel *prev = NULL;
bool must_wait = true;
f = nouveau_local_fence(fence, chan->drm);
if (f) {
rcu_read_lock();
prev = rcu_dereference(f->channel);
if (prev && (prev == chan || fctx->sync(f, prev, chan) == 0))
must_wait = false;
rcu_read_unlock();
}
if (must_wait)
ret = dma_fence_wait(fence, intr);
return ret;
}
if (!exclusive || !fobj)
return ret;
for (i = 0; i < fobj->shared_count && !ret; ++i) {
/* Waiting for the exclusive fence first causes performance regressions
* under some circumstances. So manually wait for the shared ones first.
*/
for (i = 0; i < (fobj ? fobj->shared_count : 0) && !ret; ++i) {
struct nouveau_channel *prev = NULL;
bool must_wait = true;
@ -400,6 +382,26 @@ nouveau_fence_sync(struct nouveau_bo *nvbo, struct nouveau_channel *chan, bool e
ret = dma_fence_wait(fence, intr);
}
fence = dma_resv_excl_fence(resv);
if (fence) {
struct nouveau_channel *prev = NULL;
bool must_wait = true;
f = nouveau_local_fence(fence, chan->drm);
if (f) {
rcu_read_lock();
prev = rcu_dereference(f->channel);
if (prev && (prev == chan || fctx->sync(f, prev, chan) == 0))
must_wait = false;
rcu_read_unlock();
}
if (must_wait)
ret = dma_fence_wait(fence, intr);
return ret;
}
return ret;
}