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drm/i915: Add flip done tracepoint

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Add a tracepoint to see exactly when async flips complete.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240611133344.30673-4-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Ville Syrjälä
2024-06-11 16:33:36 +03:00
parent 91103ca375
commit 367cf0d8a6
2 changed files with 24 additions and 0 deletions
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1
drivers/gpu/drm/i915/display/intel_display_irq.c
View File

@@ -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;
}

23
drivers/gpu/drm/i915/display/intel_display_trace.h
View File

@@ -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),