diff options
| -rw-r--r-- | drivers/gpu/drm/i915/intel_drv.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_sprite.c | 7 |
2 files changed, 7 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 8f8d320486ff..090d67b04307 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -564,6 +564,8 @@ struct intel_crtc { int scanline_offset; unsigned start_vbl_count; + ktime_t start_vbl_time; + struct intel_crtc_atomic_commit atomic; /* scalers available on this crtc */ diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c index c35c2339f472..ca7e26430e66 100644 --- a/drivers/gpu/drm/i915/intel_sprite.c +++ b/drivers/gpu/drm/i915/intel_sprite.c @@ -134,6 +134,7 @@ void intel_pipe_update_start(struct intel_crtc *crtc) drm_crtc_vblank_put(&crtc->base); + crtc->start_vbl_time = ktime_get(); crtc->start_vbl_count = dev->driver->get_vblank_counter(dev, pipe); trace_i915_pipe_update_vblank_evaded(crtc, min, max, @@ -154,14 +155,16 @@ void intel_pipe_update_end(struct intel_crtc *crtc) struct drm_device *dev = crtc->base.dev; enum pipe pipe = crtc->pipe; u32 end_vbl_count = dev->driver->get_vblank_counter(dev, pipe); + ktime_t end_vbl_time = ktime_get(); trace_i915_pipe_update_end(crtc, end_vbl_count); local_irq_enable(); if (crtc->start_vbl_count && crtc->start_vbl_count != end_vbl_count) - DRM_ERROR("Atomic update failure on pipe %c (start=%u end=%u)\n", - pipe_name(pipe), crtc->start_vbl_count, end_vbl_count); + DRM_ERROR("Atomic update failure on pipe %c (start=%u end=%u) time %lld us\n", + pipe_name(pipe), crtc->start_vbl_count, end_vbl_count, + ktime_us_delta(end_vbl_time, crtc->start_vbl_time)); } static void |