From 812eeeb6b59e15e0f2dece81b4600d2206283cd3 Mon Sep 17 00:00:00 2001 From: Sean Paul Date: Wed, 3 Oct 2018 14:36:44 -0400 Subject: drm/msm: dpu: Add tracing around CTL_FLUSH I found these tracepoints useful for debugging cursor/ctl, someone else might find them useful too Reviewed-by: Jeykumar Sankaran Reviewed-by: Abhinav Kumar Signed-off-by: Sean Paul Signed-off-by: Rob Clark --- drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c | 26 ++++++++++++----- drivers/gpu/drm/msm/disp/dpu1/dpu_trace.h | 47 ++++++++++++++++++++++++++++++ 2 files changed, 65 insertions(+), 8 deletions(-) (limited to 'drivers/gpu/drm/msm') diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c index eec1051f2afc..d3f8b929af65 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c @@ -15,6 +15,7 @@ #include "dpu_hw_ctl.h" #include "dpu_dbg.h" #include "dpu_kms.h" +#include "dpu_trace.h" #define CTL_LAYER(lm) \ (((lm) == LM_5) ? (0x024) : (((lm) - LM_0) * 0x004)) @@ -72,24 +73,39 @@ static int _mixer_stages(const struct dpu_lm_cfg *mixer, int count, return stages; } +static inline u32 dpu_hw_ctl_get_flush_register(struct dpu_hw_ctl *ctx) +{ + struct dpu_hw_blk_reg_map *c = &ctx->hw; + + return DPU_REG_READ(c, CTL_FLUSH); +} + static inline void dpu_hw_ctl_trigger_start(struct dpu_hw_ctl *ctx) { + trace_dpu_hw_ctl_trigger_start(ctx->pending_flush_mask, + dpu_hw_ctl_get_flush_register(ctx)); DPU_REG_WRITE(&ctx->hw, CTL_START, 0x1); } static inline void dpu_hw_ctl_trigger_pending(struct dpu_hw_ctl *ctx) { + trace_dpu_hw_ctl_trigger_prepare(ctx->pending_flush_mask, + dpu_hw_ctl_get_flush_register(ctx)); DPU_REG_WRITE(&ctx->hw, CTL_PREPARE, 0x1); } static inline void dpu_hw_ctl_clear_pending_flush(struct dpu_hw_ctl *ctx) { + trace_dpu_hw_ctl_clear_pending_flush(ctx->pending_flush_mask, + dpu_hw_ctl_get_flush_register(ctx)); ctx->pending_flush_mask = 0x0; } static inline void dpu_hw_ctl_update_pending_flush(struct dpu_hw_ctl *ctx, u32 flushbits) { + trace_dpu_hw_ctl_update_pending_flush(flushbits, + ctx->pending_flush_mask); ctx->pending_flush_mask |= flushbits; } @@ -103,17 +119,11 @@ static u32 dpu_hw_ctl_get_pending_flush(struct dpu_hw_ctl *ctx) static inline void dpu_hw_ctl_trigger_flush(struct dpu_hw_ctl *ctx) { - + trace_dpu_hw_ctl_trigger_pending_flush(ctx->pending_flush_mask, + dpu_hw_ctl_get_flush_register(ctx)); DPU_REG_WRITE(&ctx->hw, CTL_FLUSH, ctx->pending_flush_mask); } -static inline u32 dpu_hw_ctl_get_flush_register(struct dpu_hw_ctl *ctx) -{ - struct dpu_hw_blk_reg_map *c = &ctx->hw; - - return DPU_REG_READ(c, CTL_FLUSH); -} - static inline uint32_t dpu_hw_ctl_get_bitmask_sspp(struct dpu_hw_ctl *ctx, enum dpu_sspp sspp) { diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_trace.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_trace.h index e12c4cefb742..636b31b0d311 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_trace.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_trace.h @@ -1004,6 +1004,53 @@ TRACE_EVENT(dpu_core_perf_update_clk, __entry->stop_req ? "true" : "false", __entry->clk_rate) ); +TRACE_EVENT(dpu_hw_ctl_update_pending_flush, + TP_PROTO(u32 new_bits, u32 pending_mask), + TP_ARGS(new_bits, pending_mask), + TP_STRUCT__entry( + __field( u32, new_bits ) + __field( u32, pending_mask ) + ), + TP_fast_assign( + __entry->new_bits = new_bits; + __entry->pending_mask = pending_mask; + ), + TP_printk("new=%x existing=%x", __entry->new_bits, + __entry->pending_mask) +); + +DECLARE_EVENT_CLASS(dpu_hw_ctl_pending_flush_template, + TP_PROTO(u32 pending_mask, u32 ctl_flush), + TP_ARGS(pending_mask, ctl_flush), + TP_STRUCT__entry( + __field( u32, pending_mask ) + __field( u32, ctl_flush ) + ), + TP_fast_assign( + __entry->pending_mask = pending_mask; + __entry->ctl_flush = ctl_flush; + ), + TP_printk("pending_mask=%x CTL_FLUSH=%x", __entry->pending_mask, + __entry->ctl_flush) +); +DEFINE_EVENT(dpu_hw_ctl_pending_flush_template, dpu_hw_ctl_clear_pending_flush, + TP_PROTO(u32 pending_mask, u32 ctl_flush), + TP_ARGS(pending_mask, ctl_flush) +); +DEFINE_EVENT(dpu_hw_ctl_pending_flush_template, + dpu_hw_ctl_trigger_pending_flush, + TP_PROTO(u32 pending_mask, u32 ctl_flush), + TP_ARGS(pending_mask, ctl_flush) +); +DEFINE_EVENT(dpu_hw_ctl_pending_flush_template, dpu_hw_ctl_trigger_prepare, + TP_PROTO(u32 pending_mask, u32 ctl_flush), + TP_ARGS(pending_mask, ctl_flush) +); +DEFINE_EVENT(dpu_hw_ctl_pending_flush_template, dpu_hw_ctl_trigger_start, + TP_PROTO(u32 pending_mask, u32 ctl_flush), + TP_ARGS(pending_mask, ctl_flush) +); + #define DPU_ATRACE_END(name) trace_tracing_mark_write(current->tgid, name, 0) #define DPU_ATRACE_BEGIN(name) trace_tracing_mark_write(current->tgid, name, 1) #define DPU_ATRACE_FUNC() DPU_ATRACE_BEGIN(__func__) -- cgit