diff options
| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2014-04-29 13:35:48 +0300 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-05-06 10:18:03 +0200 |
| commit | 25ef284a2a7de5393b2ef608046e0d48db0e6e2a (patch) | |
| tree | bb1fa71a272defb212caf8b1622c67de53c44f1f /drivers/gpu/drm/i915/intel_sprite.c | |
| parent | 5b633d6b8e3aa1f3ba3daa568416e36e054a3bb1 (diff) | |
| download | lwn-25ef284a2a7de5393b2ef608046e0d48db0e6e2a.tar.gz lwn-25ef284a2a7de5393b2ef608046e0d48db0e6e2a.zip | |
drm/i915: Add pipe update trace points
Add trace points for observing the atomic pipe update mechanism.
v2: Rebased due to earlier changes
v3: Pass intel_crtc instead of drm_crtc (Daniel)
v4: Pass frame counter from the caller to evaded/end since
the caller now always has that ready
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Sourab Gupta <sourabgupta@gmail.com>
Reviewed-by: Akash Goel <akash.goels@gmail.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_sprite.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_sprite.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c index 6192e586de5d..213cd58f0412 100644 --- a/drivers/gpu/drm/i915/intel_sprite.c +++ b/drivers/gpu/drm/i915/intel_sprite.c @@ -73,6 +73,8 @@ static bool intel_pipe_update_start(struct intel_crtc *crtc, uint32_t *start_vbl local_irq_disable(); + trace_i915_pipe_update_start(crtc, min, max); + for (;;) { /* * prepare_to_wait() has a memory barrier, which guarantees @@ -104,6 +106,8 @@ static bool intel_pipe_update_start(struct intel_crtc *crtc, uint32_t *start_vbl *start_vbl_count = dev->driver->get_vblank_counter(dev, pipe); + trace_i915_pipe_update_vblank_evaded(crtc, min, max, *start_vbl_count); + return true; } @@ -113,6 +117,8 @@ static void intel_pipe_update_end(struct intel_crtc *crtc, u32 start_vbl_count) enum pipe pipe = crtc->pipe; u32 end_vbl_count = dev->driver->get_vblank_counter(dev, pipe); + trace_i915_pipe_update_end(crtc, end_vbl_count); + local_irq_enable(); if (start_vbl_count != end_vbl_count) |