From: Ville Syrjälä <[email protected]> Add a tracepoint to see exactly when async flips complete.
Signed-off-by: Ville Syrjälä <[email protected]> --- .../gpu/drm/i915/display/intel_display_irq.c | 1 + .../drm/i915/display/intel_display_trace.h | 23 +++++++++++++++++++ 2 files changed, 24 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_display_irq.c b/drivers/gpu/drm/i915/display/intel_display_irq.c index 82e1369e5d76..cf886b9edeb8 100644 --- a/drivers/gpu/drm/i915/display/intel_display_irq.c +++ b/drivers/gpu/drm/i915/display/intel_display_irq.c @@ -346,6 +346,7 @@ static void flip_done_handler(struct drm_i915_private *i915, spin_lock(&i915->drm.event_lock); if (crtc->flip_done_event) { + trace_intel_crtc_flip_done(crtc); drm_crtc_send_vblank_event(&crtc->base, crtc->flip_done_event); crtc->flip_done_event = NULL; } diff --git a/drivers/gpu/drm/i915/display/intel_display_trace.h b/drivers/gpu/drm/i915/display/intel_display_trace.h index 34c223ace5ea..c734ef1fba3c 100644 --- a/drivers/gpu/drm/i915/display/intel_display_trace.h +++ b/drivers/gpu/drm/i915/display/intel_display_trace.h @@ -78,6 +78,29 @@ TRACE_EVENT(intel_pipe_disable, __entry->frame[PIPE_C], __entry->scanline[PIPE_C]) ); +TRACE_EVENT(intel_crtc_flip_done, + TP_PROTO(struct intel_crtc *crtc), + TP_ARGS(crtc), + + TP_STRUCT__entry( + __string(dev, __dev_name_kms(crtc)) + __field(enum pipe, pipe) + __field(u32, frame) + __field(u32, scanline) + ), + + TP_fast_assign( + __assign_str(dev); + __entry->pipe = crtc->pipe; + __entry->frame = intel_crtc_get_vblank_counter(crtc); + __entry->scanline = intel_get_crtc_scanline(crtc); + ), + + TP_printk("dev %s, pipe %c, frame=%u, scanline=%u", + __get_str(dev), pipe_name(__entry->pipe), + __entry->frame, __entry->scanline) +); + TRACE_EVENT(intel_pipe_crc, TP_PROTO(struct intel_crtc *crtc, const u32 *crcs), TP_ARGS(crtc, crcs), -- 2.44.2
