Commit 367cf0d8 authored by Ville Syrjälä's avatar Ville Syrjälä
Browse files

drm/i915: Add flip done tracepoint 



Add a tracepoint to see exactly when async flips complete.

Signed-off-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240611133344.30673-4-ville.syrjala@linux.intel.com


Reviewed-by: default avatarJani Nikula <jani.nikula@intel.com>
parent 91103ca3

drivers/gpu/drm/i915/display/intel_display_irq.c

+1 −0
Original line number Diff line number Diff line
@@ -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;

	}

drivers/gpu/drm/i915/display/intel_display_trace.h

+23 −0
Original line number Diff line number Diff line
@@ -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),