From a08f16cfe8dc7402228840d9ef857d6253bba9ee Mon Sep 17 00:00:00 2001 From: "Leo (Hanghong) Ma" Date: Fri, 19 Feb 2021 16:22:58 -0500 Subject: drm/amd/display: Log DMCUB trace buffer events [Why] We want to log DMCUB trace buffer events as Linux kernel traces. [How] Register an IRQ handler for DMCUB outbox0 interrupt in amdgpu_dm, and log the messages in the DMCUB tracebuffer to a new DMCUB TRACE_EVENT as soon as we receive the outbox0 IRQ from DMCUB FW. Tested-by: Daniel Wheeler Signed-off-by: Leo (Hanghong) Ma Reviewed-by: Harry Wentland Acked-by: Solomon Chiu Signed-off-by: Alex Deucher --- .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_trace.h | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_trace.h') 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 86960476823c..ac8bcd171b57 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 @@ -597,6 +597,27 @@ TRACE_EVENT(amdgpu_dm_dce_clocks_state, ) ); +TRACE_EVENT(amdgpu_dmub_trace_high_irq, + TP_PROTO(uint32_t trace_code, uint32_t tick_count, uint32_t param0, + uint32_t param1), + TP_ARGS(trace_code, tick_count, param0, param1), + TP_STRUCT__entry( + __field(uint32_t, trace_code) + __field(uint32_t, tick_count) + __field(uint32_t, param0) + __field(uint32_t, param1) + ), + TP_fast_assign( + __entry->trace_code = trace_code; + __entry->tick_count = tick_count; + __entry->param0 = param0; + __entry->param1 = param1; + ), + TP_printk("trace_code=%u tick_count=%u param0=%u param1=%u", + __entry->trace_code, __entry->tick_count, + __entry->param0, __entry->param1) +); + #endif /* _AMDGPU_DM_TRACE_H_ */ #undef TRACE_INCLUDE_PATH -- cgit v1.2.3-70-g09d2