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| author | Rodrigo Siqueira <Rodrigo.Siqueira@amd.com> | 2021-03-10 10:04:56 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-04-09 16:47:57 -0400 |
| commit | 4758823355a0ed90bd9bfec508de41635a75d4d1 (patch) | |
| tree | 3f79985c3918dc7859776a555b12199628b0683c /drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_trace.h | |
| parent | 95574c6961476e26236f16b48bfd98d6a1ceff4c (diff) | |
| download | linux-4758823355a0ed90bd9bfec508de41635a75d4d1.tar.gz linux-4758823355a0ed90bd9bfec508de41635a75d4d1.tar.bz2 linux-4758823355a0ed90bd9bfec508de41635a75d4d1.zip | |
drm/amd/display: Add refresh rate trace
When we have to debug VRR issues, we usually want to know the current
refresh rate; for this reason, it is handy to have a way to check in
real-time the refresh rate value. This commit introduces a kernel trace
that can provide such information.
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_trace.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_trace.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_trace.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_trace.h index ac8bcd171b57..46a33f64cf8e 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_trace.h +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_trace.h @@ -618,6 +618,25 @@ TRACE_EVENT(amdgpu_dmub_trace_high_irq, __entry->param0, __entry->param1) ); +TRACE_EVENT(amdgpu_refresh_rate_track, + TP_PROTO(int crtc_index, ktime_t refresh_rate_ns, uint32_t refresh_rate_hz), + TP_ARGS(crtc_index, refresh_rate_ns, refresh_rate_hz), + TP_STRUCT__entry( + __field(int, crtc_index) + __field(ktime_t, refresh_rate_ns) + __field(uint32_t, refresh_rate_hz) + ), + TP_fast_assign( + __entry->crtc_index = crtc_index; + __entry->refresh_rate_ns = refresh_rate_ns; + __entry->refresh_rate_hz = refresh_rate_hz; + ), + TP_printk("crtc_index=%d refresh_rate=%dHz (%lld)", + __entry->crtc_index, + __entry->refresh_rate_hz, + __entry->refresh_rate_ns) +); + #endif /* _AMDGPU_DM_TRACE_H_ */ #undef TRACE_INCLUDE_PATH |