diff options
| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2019-02-06 22:49:08 +0200 |
|---|---|---|
| committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2019-02-15 20:57:36 +0200 |
| commit | 0b2599a43ca9ba63e4e213c2ae90d382d0b2340f (patch) | |
| tree | 2cc7be7ea5ee785a08ac5398476be2dee55d0b51 /drivers/gpu/drm/i915/intel_display.c | |
| parent | 5cee6c458771ce7f52fcf9fad38c0604def7b8ca (diff) | |
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/intel_display.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 5e126234a70d..648de5ba6e07 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -1821,6 +1821,8 @@ static void intel_enable_pipe(const struct intel_crtc_state *new_crtc_state) /* FIXME: assert CPU port conditions for SNB+ */ } + trace_intel_pipe_enable(dev_priv, pipe); + reg = PIPECONF(cpu_transcoder); val = I915_READ(reg); if (val & PIPECONF_ENABLE) { @@ -1860,6 +1862,8 @@ static void intel_disable_pipe(const struct intel_crtc_state *old_crtc_state) */ assert_planes_disabled(crtc); + trace_intel_pipe_disable(dev_priv, pipe); + reg = PIPECONF(cpu_transcoder); val = I915_READ(reg); if ((val & PIPECONF_ENABLE) == 0) |