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.h | |
| parent | drm/i915: Convert i915_gem_object_attach_phys() to ww locking, v2. (diff) | |
| download | linux-dev-bfaae47db3c0989c0ca82a1d59ca3088860b1845.tar.xz linux-dev-bfaae47db3c0989c0ca82a1d59ca3088860b1845.zip | |
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.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_vma.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_vma.h b/drivers/gpu/drm/i915/i915_vma.h index 3c914c9de9a9..6b48f5c42488 100644 --- a/drivers/gpu/drm/i915/i915_vma.h +++ b/drivers/gpu/drm/i915/i915_vma.h @@ -52,6 +52,9 @@ static inline bool i915_vma_is_active(const struct i915_vma *vma) return !i915_active_is_idle(&vma->active); } +/* do not reserve memory to prevent deadlocks */ +#define __EXEC_OBJECT_NO_RESERVE BIT(31) + int __must_check __i915_vma_move_to_active(struct i915_vma *vma, struct i915_request *rq); int __must_check i915_vma_move_to_active(struct i915_vma *vma, |