From 99cc9c9887cfa5a30f6768d697e06d48efda9f3e Mon Sep 17 00:00:00 2001 From: Amy Zhang Date: Wed, 28 Jun 2017 18:14:09 -0400 Subject: [PATCH 0564/4131] drm/amd/display: Re-enable Vsync Interrupts for Gradual Refresh Ramp - Make sure Vsync interrupts are disabled in static screen case and enabled when not to save power - Create no_static_for_external_dp debug option Signed-off-by: Amy Zhang Reviewed-by: Anthony Koo Acked-by: Harry Wentland Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/dc.h | 1 + .../drm/amd/display/modules/freesync/freesync.c | 38 ++++++++++++++++------ .../gpu/drm/amd/display/modules/inc/mod_freesync.h | 5 +++ 3 files changed, 34 insertions(+), 10 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index 3e2ed3d..93aff82 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -188,6 +188,7 @@ struct dc_debug { bool disable_dmcu; bool disable_psr; bool force_abm_enable; + bool no_static_for_external_dp; }; struct dc { diff --git a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c index c7da90f..4df79f7 100644 --- a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c +++ b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c @@ -440,14 +440,11 @@ static void calc_freesync_range(struct core_freesync *core_freesync, } /* Determine whether BTR can be supported */ - //if (max_frame_duration_in_ns >= - // 2 * min_frame_duration_in_ns) - // core_freesync->map[index].caps->btr_supported = true; - //else - // core_freesync->map[index].caps->btr_supported = false; - - /* Temp, keep btr disabled */ - core_freesync->map[index].caps->btr_supported = false; + if (max_frame_duration_in_ns >= + 2 * min_frame_duration_in_ns) + core_freesync->map[index].caps->btr_supported = true; + else + core_freesync->map[index].caps->btr_supported = false; /* Cache the time variables */ state->time.max_render_time_in_us = @@ -882,8 +879,10 @@ void mod_freesync_update_state(struct mod_freesync *mod_freesync, * panels. Also change core variables only if there * is a change. */ - if (dc_is_embedded_signal( - streams[stream_index]->sink->sink_signal) && + if ((dc_is_embedded_signal( + streams[stream_index]->sink->sink_signal) || + core_freesync->map[map_index].caps-> + no_static_for_external_dp == false) && state->static_screen != freesync_params->enable) { @@ -1035,6 +1034,25 @@ bool mod_freesync_get_user_enable(struct mod_freesync *mod_freesync, return true; } +bool mod_freesync_get_static_ramp_active(struct mod_freesync *mod_freesync, + const struct dc_stream *stream, + bool *is_ramp_active) +{ + unsigned int index = 0; + struct core_freesync *core_freesync = NULL; + + if (mod_freesync == NULL) + return false; + + core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync); + index = map_index_from_stream(core_freesync, stream); + + *is_ramp_active = + core_freesync->map[index].state.static_ramp.ramp_is_active; + + return true; +} + bool mod_freesync_override_min_max(struct mod_freesync *mod_freesync, const struct dc_stream *streams, unsigned int min_refresh, diff --git a/drivers/gpu/drm/amd/display/modules/inc/mod_freesync.h b/drivers/gpu/drm/amd/display/modules/inc/mod_freesync.h index f7f5a2c..eae1b34 100644 --- a/drivers/gpu/drm/amd/display/modules/inc/mod_freesync.h +++ b/drivers/gpu/drm/amd/display/modules/inc/mod_freesync.h @@ -88,6 +88,7 @@ struct mod_freesync_caps { unsigned int max_refresh_in_micro_hz; bool btr_supported; + bool no_static_for_external_dp; }; struct mod_freesync_params { @@ -129,6 +130,10 @@ bool mod_freesync_get_user_enable(struct mod_freesync *mod_freesync, const struct dc_stream *stream, struct mod_freesync_user_enable *user_enable); +bool mod_freesync_get_static_ramp_active(struct mod_freesync *mod_freesync, + const struct dc_stream *stream, + bool *is_ramp_active); + bool mod_freesync_override_min_max(struct mod_freesync *mod_freesync, const struct dc_stream *streams, unsigned int min_refresh, -- 2.7.4