diff options
| author | Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com> | 2018-06-05 14:19:08 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-07-06 00:38:42 +0300 |
| commit | 69d6bb171fe15f564adfbc485e77dd8c5ca953d5 (patch) | |
| tree | 6489d5bb8b617e5bc4d3ed407654d82acb625126 /drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c | |
| parent | 33a6a7eb8014cb7089570534ef4d502efe4372ed (diff) | |
| download | linux-69d6bb171fe15f564adfbc485e77dd8c5ca953d5.tar.xz | |
drm/amd/display: remove dcn1 watermark sets b, c and d
Currently dcn1 will not switch between watermark sets so we can
save time by not calculating 3 extra sets.
Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c index 8dc0773b285e..12261fbc25e0 100644 --- a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c +++ b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c @@ -505,6 +505,7 @@ static void split_stream_across_pipes( resource_build_scaling_params(secondary_pipe); } +#if 0 static void calc_wm_sets_and_perf_params( struct dc_state *context, struct dcn_bw_internal_vars *v) @@ -586,6 +587,7 @@ static void calc_wm_sets_and_perf_params( if (v->voltage_level >= 3) context->bw.dcn.watermarks.d = context->bw.dcn.watermarks.a; } +#endif static bool dcn_bw_apply_registry_override(struct dc *dc) { @@ -980,7 +982,24 @@ bool dcn_validate_bandwidth( bw_consumed = v->fabric_and_dram_bandwidth; display_pipe_configuration(v); - calc_wm_sets_and_perf_params(context, v); + /*calc_wm_sets_and_perf_params(context, v);*/ + /* Only 1 set is used by dcn since no noticeable + * performance improvement was measured and due to hw bug DEGVIDCN10-254 + */ + dispclkdppclkdcfclk_deep_sleep_prefetch_parameters_watermarks_and_performance_calculation(v); + + context->bw.dcn.watermarks.a.cstate_pstate.cstate_exit_ns = + v->stutter_exit_watermark * 1000; + context->bw.dcn.watermarks.a.cstate_pstate.cstate_enter_plus_exit_ns = + v->stutter_enter_plus_exit_watermark * 1000; + context->bw.dcn.watermarks.a.cstate_pstate.pstate_change_ns = + v->dram_clock_change_watermark * 1000; + context->bw.dcn.watermarks.a.pte_meta_urgent_ns = v->ptemeta_urgent_watermark * 1000; + context->bw.dcn.watermarks.a.urgent_ns = v->urgent_watermark * 1000; + context->bw.dcn.watermarks.b = context->bw.dcn.watermarks.a; + context->bw.dcn.watermarks.c = context->bw.dcn.watermarks.a; + context->bw.dcn.watermarks.d = context->bw.dcn.watermarks.a; + context->bw.dcn.clk.fclk_khz = (int)(bw_consumed * 1000000 / (ddr4_dram_factor_single_Channel * v->number_of_channels)); if (bw_consumed == v->fabric_and_dram_bandwidth_vmin0p65) { |