summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/i915/i915_trace.h
diff options
context:
space:
mode:
authorVille Syrjälä <ville.syrjala@linux.intel.com>2019-02-06 21:49:08 +0100
committerVille Syrjälä <ville.syrjala@linux.intel.com>2019-02-15 19:57:36 +0100
commit0b2599a43ca9ba63e4e213c2ae90d382d0b2340f (patch)
tree2cc7be7ea5ee785a08ac5398476be2dee55d0b51 /drivers/gpu/drm/i915/i915_trace.h
parentdrm/i915: Add pipe crc tracepoint (diff)
downloadlinux-0b2599a43ca9ba63e4e213c2ae90d382d0b2340f.tar.xz
linux-0b2599a43ca9ba63e4e213c2ae90d382d0b2340f.zip
drm/i915: Add pipe enable/disable tracepoints
Add tracepoints for pipe enable/disable. We'll include the frame/scanline counters for all pipes in these tracepoints to help in diagnosing underruns and whatnot when enabling/disabling pipes in parallel with plane updates/flips on another pipe. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190206204910.13965-2-ville.syrjala@linux.intel.com Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_trace.h')
-rw-r--r--drivers/gpu/drm/i915/i915_trace.h56
1 files changed, 56 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_trace.h b/drivers/gpu/drm/i915/i915_trace.h
index d1c3d7201573..b3b4d78d1dc0 100644
--- a/drivers/gpu/drm/i915/i915_trace.h
+++ b/drivers/gpu/drm/i915/i915_trace.h
@@ -16,6 +16,62 @@
/* watermark/fifo updates */
+TRACE_EVENT(intel_pipe_enable,
+ TP_PROTO(struct drm_i915_private *dev_priv, enum pipe pipe),
+ TP_ARGS(dev_priv, pipe),
+
+ TP_STRUCT__entry(
+ __array(u32, frame, 3)
+ __array(u32, scanline, 3)
+ __field(enum pipe, pipe)
+ ),
+
+ TP_fast_assign(
+ enum pipe _pipe;
+ for_each_pipe(dev_priv, _pipe) {
+ __entry->frame[_pipe] =
+ dev_priv->drm.driver->get_vblank_counter(&dev_priv->drm, _pipe);
+ __entry->scanline[_pipe] =
+ intel_get_crtc_scanline(intel_get_crtc_for_pipe(dev_priv, _pipe));
+ }
+ __entry->pipe = pipe;
+ ),
+
+ TP_printk("pipe %c enable, pipe A: frame=%u, scanline=%u, pipe B: frame=%u, scanline=%u, pipe C: frame=%u, scanline=%u",
+ pipe_name(__entry->pipe),
+ __entry->frame[PIPE_A], __entry->scanline[PIPE_A],
+ __entry->frame[PIPE_B], __entry->scanline[PIPE_B],
+ __entry->frame[PIPE_C], __entry->scanline[PIPE_C])
+);
+
+TRACE_EVENT(intel_pipe_disable,
+ TP_PROTO(struct drm_i915_private *dev_priv, enum pipe pipe),
+ TP_ARGS(dev_priv, pipe),
+
+ TP_STRUCT__entry(
+ __array(u32, frame, 3)
+ __array(u32, scanline, 3)
+ __field(enum pipe, pipe)
+ ),
+
+ TP_fast_assign(
+ enum pipe _pipe;
+ for_each_pipe(dev_priv, _pipe) {
+ __entry->frame[_pipe] =
+ dev_priv->drm.driver->get_vblank_counter(&dev_priv->drm, _pipe);
+ __entry->scanline[_pipe] =
+ intel_get_crtc_scanline(intel_get_crtc_for_pipe(dev_priv, _pipe));
+ }
+ __entry->pipe = pipe;
+ ),
+
+ TP_printk("pipe %c disable, pipe A: frame=%u, scanline=%u, pipe B: frame=%u, scanline=%u, pipe C: frame=%u, scanline=%u",
+ pipe_name(__entry->pipe),
+ __entry->frame[PIPE_A], __entry->scanline[PIPE_A],
+ __entry->frame[PIPE_B], __entry->scanline[PIPE_B],
+ __entry->frame[PIPE_C], __entry->scanline[PIPE_C])
+);
+
TRACE_EVENT(intel_pipe_crc,
TP_PROTO(struct intel_crtc *crtc, const u32 *crcs),
TP_ARGS(crtc, crcs),