diff options
| author | Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2021-03-23 16:49:59 +0100 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2021-03-24 11:51:38 +0100 |
| commit | bfaae47db3c0989c0ca82a1d59ca3088860b1845 (patch) | |
| tree | dc757d3a0842c4f4e8508875ca3b04e563cabe19 /drivers/gpu/drm/i915/i915_vma.c | |
| parent | a85fffe3032d9918c78e3a71821a6133707ae42d (diff) | |
drm/i915: make lockdep slightly happier about execbuf.
As soon as we install fences, we should stop allocating memory
in order to prevent any potential deadlocks.
This is required later on, when we start adding support for
dma-fence annotations.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20210323155059.628690-11-maarten.lankhorst@linux.intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/i915_vma.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_vma.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/i915_vma.c b/drivers/gpu/drm/i915/i915_vma.c index 82b73dbc9737..4215714ae19c 100644 --- a/drivers/gpu/drm/i915/i915_vma.c +++ b/drivers/gpu/drm/i915/i915_vma.c @@ -1247,9 +1247,11 @@ int i915_vma_move_to_active(struct i915_vma *vma, obj->write_domain = I915_GEM_DOMAIN_RENDER; obj->read_domains = 0; } else { - err = dma_resv_reserve_shared(vma->resv, 1); - if (unlikely(err)) - return err; + if (!(flags & __EXEC_OBJECT_NO_RESERVE)) { + err = dma_resv_reserve_shared(vma->resv, 1); + if (unlikely(err)) + return err; + } dma_resv_add_shared_fence(vma->resv, &rq->fence); obj->write_domain = 0; |