From: Allen Pan <allen.pan@xxxxxxx> [Why] the original wait for 2 static frames before enter static screen was not good enough for IPS-enabled case since enter/exit takes more time. [How] Changed logic for hardcoded wait frame values. Reviewed-by: Charlene Liu <charlene.liu@xxxxxxx> Acked-by: Wayne Lin <wayne.lin@xxxxxxx> Signed-off-by: Allen Pan <allen.pan@xxxxxxx> --- drivers/gpu/drm/amd/display/dc/dc.h | 1 + .../gpu/drm/amd/display/dc/dcn35/dcn35_init.c | 2 +- .../amd/display/dc/hwss/dcn35/dcn35_hwseq.c | 41 +++++++++++++++++++ .../amd/display/dc/hwss/dcn35/dcn35_hwseq.h | 4 ++ .../dc/resource/dcn35/dcn35_resource.c | 3 +- 5 files changed, 49 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index a270b4bf7b95..f622f4f0e1a0 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -982,6 +982,7 @@ struct dc_debug_options { unsigned int ips2_entry_delay_us; bool disable_timeout; bool disable_extblankadj; + unsigned int static_screen_wait_frames; }; struct gpu_info_soc_bounding_box_v1_0; diff --git a/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_init.c b/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_init.c index d594905eb246..a630aa77dcec 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_init.c +++ b/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_init.c @@ -68,7 +68,7 @@ static const struct hw_sequencer_funcs dcn35_funcs = { .prepare_bandwidth = dcn35_prepare_bandwidth, .optimize_bandwidth = dcn35_optimize_bandwidth, .update_bandwidth = dcn20_update_bandwidth, - .set_drr = dcn10_set_drr, + .set_drr = dcn35_set_drr, .get_position = dcn10_get_position, .set_static_screen_control = dcn30_set_static_screen_control, .setup_stereo = dcn10_setup_stereo, diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c index 582852ed21fb..ad710b4036de 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c @@ -1312,3 +1312,44 @@ uint32_t dcn35_get_idle_state(const struct dc *dc) return 0; } + +void dcn35_set_drr(struct pipe_ctx **pipe_ctx, + int num_pipes, struct dc_crtc_timing_adjust adjust) +{ + int i = 0; + struct drr_params params = {0}; + // DRR set trigger event mapped to OTG_TRIG_A (bit 11) for manual control flow + unsigned int event_triggers = 0x800; + // Note DRR trigger events are generated regardless of whether num frames met. + unsigned int num_frames = 2; + + params.vertical_total_max = adjust.v_total_max; + params.vertical_total_min = adjust.v_total_min; + params.vertical_total_mid = adjust.v_total_mid; + params.vertical_total_mid_frame_num = adjust.v_total_mid_frame_num; + + for (i = 0; i < num_pipes; i++) { + if ((pipe_ctx[i]->stream_res.tg != NULL) && pipe_ctx[i]->stream_res.tg->funcs) { + struct dc_crtc_timing *timing = &pipe_ctx[i]->stream->timing; + struct dc *dc = pipe_ctx[i]->stream->ctx->dc; + + if (dc->debug.static_screen_wait_frames) { + unsigned int frame_rate = timing->pix_clk_100hz / (timing->h_total * timing->v_total); + + if (frame_rate >= 120 && dc->caps.ips_support && + dc->config.disable_ips != DMUB_IPS_DISABLE_ALL) { + /*ips enable case*/ + num_frames = 2 * (frame_rate % 60); + } + } + if (pipe_ctx[i]->stream_res.tg->funcs->set_drr) + pipe_ctx[i]->stream_res.tg->funcs->set_drr( + pipe_ctx[i]->stream_res.tg, ¶ms); + if (adjust.v_total_max != 0 && adjust.v_total_min != 0) + if (pipe_ctx[i]->stream_res.tg->funcs->set_static_screen_control) + pipe_ctx[i]->stream_res.tg->funcs->set_static_screen_control( + pipe_ctx[i]->stream_res.tg, + event_triggers, num_frames); + } + } +} diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.h b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.h index b7bafe7fe2fd..fd66316e33de 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.h +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.h @@ -86,4 +86,8 @@ void dcn35_dsc_pg_control( void dcn35_set_idle_state(const struct dc *dc, bool allow_idle); uint32_t dcn35_get_idle_state(const struct dc *dc); + +void dcn35_set_drr(struct pipe_ctx **pipe_ctx, + int num_pipes, struct dc_crtc_timing_adjust adjust); + #endif /* __DC_HWSS_DCN35_H__ */ diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c index 1aa4649fdc35..39594e8ffb5e 100644 --- a/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c +++ b/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c @@ -780,7 +780,8 @@ static const struct dc_debug_options debug_defaults_drv = { .ignore_pg = true, .psp_disabled_wa = true, .ips2_eval_delay_us = 200, - .ips2_entry_delay_us = 400 + .ips2_entry_delay_us = 400, + .static_screen_wait_frames = 2, }; static const struct dc_panel_config panel_config_defaults = { -- 2.37.3