drm/amd/display: performance profiling instrumentation

Signed-off-by: Tony Cheng <tony.cheng@amd.com>
Reviewed-by: Yongqiang Sun <yongqiang.sun@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c
index 82269ca..56e5492 100644 (file)
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c
@@ -41,6 +41,10 @@ unsigned long long dm_get_timestamp(struct dc_context *ctx)
        return 0;
 }
 
+void dm_perf_trace_timestamp(const char *func_name, unsigned int line)
+{
+}
+
 bool dm_write_persistent_data(struct dc_context *ctx,
                const struct dc_sink *sink,
                const char *module_name,

diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
index c92eba0..ad0e3b9 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
@@ -1047,6 +1047,8 @@ dcn10_translate_regamma_to_hw_format(const struct dc_transfer_func *output_tf,
        if (output_tf == NULL || regamma_params == NULL || output_tf->type == TF_TYPE_BYPASS)
                return false;
 
+       PERF_TRACE();
+
        arr_points = regamma_params->arr_points;
        rgb_resulted = regamma_params->rgb_resulted;
        hw_points = 0;
@@ -1189,6 +1191,8 @@ dcn10_translate_regamma_to_hw_format(const struct dc_transfer_func *output_tf,
 
        convert_to_custom_float(rgb_resulted, arr_points, hw_points);
 
+       PERF_TRACE();
+
        return true;
 }
 

diff --git a/drivers/gpu/drm/amd/display/dc/dm_services.h b/drivers/gpu/drm/amd/display/dc/dm_services.h
index d491703..225b7bf 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/dm_services.h
+++ b/drivers/gpu/drm/amd/display/dc/dm_services.h
@@ -373,6 +373,13 @@ bool dm_dmcu_set_pipe(struct dc_context *ctx, unsigned int controller_id);
 unsigned long long dm_get_timestamp(struct dc_context *ctx);
 
 /*
+ * performance tracing
+ */
+void dm_perf_trace_timestamp(const char *func_name, unsigned int line);
+#define PERF_TRACE()   dm_perf_trace_timestamp(__func__, __LINE__)
+
+
+/*
  * Debug and verification hooks
  */
 bool dm_helpers_dc_conn_log(