diff options
| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2021-02-09 05:19:18 +0300 |
|---|---|---|
| committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2021-02-10 01:40:01 +0300 |
| commit | 5ffb9afaa909f1a254adab67f2d0557a5cead2e9 (patch) | |
| tree | d607995e005bdb485714b4715ebb32a177d9c1cc /drivers/gpu/drm/i915/display/intel_frontbuffer.c | |
| parent | 553c23bdb4775130f333f07a51b047276bc53f79 (diff) | |
| download | linux-5ffb9afaa909f1a254adab67f2d0557a5cead2e9.tar.xz | |
drm/i915: Warn when releasing a frontbuffer while in use
Let's scream if we are about to release a frontbuffer which
is still in use.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210209021918.16234-3-ville.syrjala@linux.intel.com
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_frontbuffer.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_frontbuffer.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_frontbuffer.c b/drivers/gpu/drm/i915/display/intel_frontbuffer.c index d898b370d7a4..b2744c5c3653 100644 --- a/drivers/gpu/drm/i915/display/intel_frontbuffer.c +++ b/drivers/gpu/drm/i915/display/intel_frontbuffer.c @@ -224,6 +224,8 @@ static void frontbuffer_release(struct kref *ref) struct drm_i915_gem_object *obj = front->obj; struct i915_vma *vma; + drm_WARN_ON(obj->base.dev, atomic_read(&front->bits)); + spin_lock(&obj->vma.lock); for_each_ggtt_vma(vma, obj) vma->display_alignment = I915_GTT_MIN_ALIGNMENT; |