diff options
| author | Dhinakaran Pandiyan <[email protected]> | 2018-02-23 14:15:16 -0800 |
|---|---|---|
| committer | Rodrigo Vivi <[email protected]> | 2018-02-27 12:06:07 -0800 |
| commit | 51e98eb851616ecd9ae5017d606c5e4e8e5be79d (patch) | |
| tree | c70225aaf411b42825c75dbdca7a50d3515ec1f0 | |
| parent | b891d5e46c96b0a41a5b09024794c631ee77c37b (diff) | |
drm/i915/frontbuffer: Mark frontbuffer flush and invalidate with might_sleep()
Frontbuffer flush and invalidate call psr, fbc and drrs functions that use
mutexes but they can be called in atomic contexts in the fbdev path. The
point where the spinlocks are acquired is up in the call stack that is not
entirely easy to spot, so annotate with might_sleep().
Cc: Rodrigo Vivi <[email protected]>
Signed-off-by: Dhinakaran Pandiyan <[email protected]>
Reviewed-by: Rodrigo Vivi <[email protected]>
Signed-off-by: Rodrigo Vivi <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
| -rw-r--r-- | drivers/gpu/drm/i915/intel_frontbuffer.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_frontbuffer.c b/drivers/gpu/drm/i915/intel_frontbuffer.c index fcfc217e754e..3a8d3d06c26a 100644 --- a/drivers/gpu/drm/i915/intel_frontbuffer.c +++ b/drivers/gpu/drm/i915/intel_frontbuffer.c @@ -79,6 +79,7 @@ void __intel_fb_obj_invalidate(struct drm_i915_gem_object *obj, spin_unlock(&dev_priv->fb_tracking.lock); } + might_sleep(); intel_psr_invalidate(dev_priv, frontbuffer_bits); intel_edp_drrs_invalidate(dev_priv, frontbuffer_bits); intel_fbc_invalidate(dev_priv, frontbuffer_bits, origin); @@ -108,6 +109,7 @@ static void intel_frontbuffer_flush(struct drm_i915_private *dev_priv, if (!frontbuffer_bits) return; + might_sleep(); intel_edp_drrs_flush(dev_priv, frontbuffer_bits); intel_psr_flush(dev_priv, frontbuffer_bits, origin); intel_fbc_flush(dev_priv, frontbuffer_bits, origin); |