From: George Shen <[email protected]> [Why] The status of various power features is often important information when debugging certain issues, such as underflow. This info helps to narrow down the potential sources of errors.
[How] Add dc interface to capture power feature enablement status. Reviewed-by: Dillon Varone <[email protected]> Signed-off-by: George Shen <[email protected]> Signed-off-by: Fangzhi Zuo <[email protected]> --- drivers/gpu/drm/amd/display/dc/core/dc.c | 7 +++++++ drivers/gpu/drm/amd/display/dc/dc.h | 14 ++++++++++++++ 2 files changed, 21 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index f519e5893a68..5e79962c5f2b 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -6421,6 +6421,13 @@ void dc_get_underflow_debug_data_for_otg(struct dc *dc, int primary_otg_inst, dc->hwss.get_underflow_debug_data(dc, tg, out_data); } +void dc_get_power_feature_status(struct dc *dc, int primary_otg_inst, + struct power_features *out_data) +{ + out_data->uclk_p_state = dc->current_state->clk_mgr->clks.p_state_change_support; + out_data->fams = dc->current_state->bw_ctx.bw.dcn.clk.fw_based_mclk_switching; +} + void dc_log_preos_dmcub_info(const struct dc *dc) { dc_dmub_srv_log_preos_dmcub_info(dc->ctx->dmub_srv); diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index 5c19df8ef641..1ba7bab51a3b 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -1865,6 +1865,18 @@ struct dc_underflow_debug_data { struct dcn_dccg_reg_state *dccg_reg_state[MAX_PIPES]; }; +struct power_features { + bool ips; + bool rcg; + bool replay; + bool dds; + bool sprs; + bool psr; + bool fams; + bool mpo; + bool uclk_p_state; +}; + /* * Create a new surface with default parameters; */ @@ -2772,4 +2784,6 @@ bool dc_can_clear_cursor_limit(const struct dc *dc); */ void dc_get_underflow_debug_data_for_otg(struct dc *dc, int primary_otg_inst, struct dc_underflow_debug_data *out_data); +void dc_get_power_feature_status(struct dc *dc, int primary_otg_inst, struct power_features *out_data); + #endif /* DC_INTERFACE_H_ */ -- 2.43.0
