diff options
11 files changed, 66 insertions, 9 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index 566d7045b2de..025e0fdf486d 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -5257,3 +5257,24 @@ void dc_query_current_properties(struct dc *dc, struct dc_current_properties *pr properties->cursor_size_limit = subvp_in_use ? 64 : dc->caps.max_cursor_size; } +/** + ***************************************************************************** + * dc_set_edp_power() - DM controls eDP power to be ON/OFF + * + * Called when DM wants to power on/off eDP. + * Only work on links with flag skip_implict_edp_power_control is set. + * + ***************************************************************************** + */ +void dc_set_edp_power(const struct dc *dc, struct dc_link *edp_link, + bool powerOn) +{ + if (edp_link->connector_signal != SIGNAL_TYPE_EDP) + return; + + if (edp_link->skip_implict_edp_power_control == false) + return; + + edp_link->dc->link_srv->edp_set_panel_power(edp_link, powerOn); +} + diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index 0d0bef8eb331..7cfb3ccef075 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -1572,6 +1572,7 @@ struct dc_link { struct phy_state phy_state; // BW ALLOCATON USB4 ONLY struct dc_dpia_bw_alloc dpia_bw_alloc_config; + bool skip_implict_edp_power_control; }; /* Return an enumerated dc_link. @@ -1591,6 +1592,9 @@ void dc_get_edp_links(const struct dc *dc, struct dc_link **edp_links, int *edp_num); +void dc_set_edp_power(const struct dc *dc, struct dc_link *edp_link, + bool powerOn); + /* The function initiates detection handshake over the given link. It first * determines if there are display connections over the link. If so it initiates * detection protocols supported by the connected receiver device. The function diff --git a/drivers/gpu/drm/amd/display/dc/dc_stream.h b/drivers/gpu/drm/amd/display/dc/dc_stream.h index 3697ea1d14c1..d5b3e3a32cc6 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_stream.h +++ b/drivers/gpu/drm/amd/display/dc/dc_stream.h @@ -302,7 +302,6 @@ struct dc_stream_state { bool vblank_synchronized; bool fpo_in_use; struct mall_stream_config mall_stream_config; - bool skip_edp_power_down; }; #define ABM_LEVEL_IMMEDIATE_DISABLE 255 diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c index ad967b58d7be..d0b3e29fe83e 100644 --- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c @@ -1221,7 +1221,7 @@ void dce110_blank_stream(struct pipe_ctx *pipe_ctx) struct dce_hwseq *hws = link->dc->hwseq; if (link->local_sink && link->local_sink->sink_signal == SIGNAL_TYPE_EDP) { - if (!stream->skip_edp_power_down) + if (!link->skip_implict_edp_power_control) hws->funcs.edp_backlight_control(link, false); link->dc->hwss.set_abm_immediate_disable(pipe_ctx); } diff --git a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_hwseq.c index 4d2820ffe468..33a8626bda73 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_hwseq.c @@ -476,7 +476,8 @@ void dcn314_disable_link_output(struct dc_link *link, struct dmcu *dmcu = dc->res_pool->dmcu; if (signal == SIGNAL_TYPE_EDP && - link->dc->hwss.edp_backlight_control) + link->dc->hwss.edp_backlight_control && + !link->skip_implict_edp_power_control) link->dc->hwss.edp_backlight_control(link, false); else if (dmcu != NULL && dmcu->funcs->lock_phy) dmcu->funcs->lock_phy(dmcu); diff --git a/drivers/gpu/drm/amd/display/dc/inc/link.h b/drivers/gpu/drm/amd/display/dc/inc/link.h index e3e8c76c17cf..d7685368140a 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/link.h +++ b/drivers/gpu/drm/amd/display/dc/inc/link.h @@ -295,6 +295,7 @@ struct link_service { bool (*edp_receiver_ready_T9)(struct dc_link *link); bool (*edp_receiver_ready_T7)(struct dc_link *link); bool (*edp_power_alpm_dpcd_enable)(struct dc_link *link, bool enable); + void (*edp_set_panel_power)(struct dc_link *link, bool powerOn); /*************************** DP CTS ************************************/ diff --git a/drivers/gpu/drm/amd/display/dc/link/link_dpms.c b/drivers/gpu/drm/amd/display/dc/link/link_dpms.c index 79aef205598b..28cb1f5a504d 100644 --- a/drivers/gpu/drm/amd/display/dc/link/link_dpms.c +++ b/drivers/gpu/drm/amd/display/dc/link/link_dpms.c @@ -1930,7 +1930,8 @@ static void disable_link_dp(struct dc_link *link, dp_disable_link_phy(link, link_res, signal); if (link->connector_signal == SIGNAL_TYPE_EDP) { - if (!link->dc->config.edp_no_power_sequencing) + if (!link->dc->config.edp_no_power_sequencing && + !link->skip_implict_edp_power_control) link->dc->hwss.edp_power_control(link, false); } @@ -2219,7 +2220,7 @@ static enum dc_status enable_link( * link settings. Need to call disable first before enabling at * new link settings. */ - if (link->link_status.link_active && !stream->skip_edp_power_down) + if (link->link_status.link_active) disable_link(link, &pipe_ctx->link_res, pipe_ctx->stream->signal); switch (pipe_ctx->stream->signal) { @@ -2338,9 +2339,7 @@ void link_set_dpms_off(struct pipe_ctx *pipe_ctx) dc->hwss.disable_stream(pipe_ctx); } else { dc->hwss.disable_stream(pipe_ctx); - if (!pipe_ctx->stream->skip_edp_power_down) { - disable_link(pipe_ctx->stream->link, &pipe_ctx->link_res, pipe_ctx->stream->signal); - } + disable_link(pipe_ctx->stream->link, &pipe_ctx->link_res, pipe_ctx->stream->signal); } if (pipe_ctx->stream->timing.flags.DSC) { diff --git a/drivers/gpu/drm/amd/display/dc/link/link_factory.c b/drivers/gpu/drm/amd/display/dc/link/link_factory.c index 195ca9e52eda..11b5ac218154 100644 --- a/drivers/gpu/drm/amd/display/dc/link/link_factory.c +++ b/drivers/gpu/drm/amd/display/dc/link/link_factory.c @@ -223,6 +223,7 @@ static void construct_link_service_edp_panel_control(struct link_service *link_s link_srv->edp_receiver_ready_T9 = edp_receiver_ready_T9; link_srv->edp_receiver_ready_T7 = edp_receiver_ready_T7; link_srv->edp_power_alpm_dpcd_enable = edp_power_alpm_dpcd_enable; + link_srv->edp_set_panel_power = edp_set_panel_power; } /* link dp cts implements dp compliance test automation protocols and manual diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_phy.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_phy.c index b7abba55bc2f..0050e0a06cbc 100644 --- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_phy.c +++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_phy.c @@ -73,7 +73,8 @@ void dp_disable_link_phy(struct dc_link *link, { struct dc *dc = link->ctx->dc; - if (!link->wa_flags.dp_keep_receiver_powered) + if (!link->wa_flags.dp_keep_receiver_powered && + !link->skip_implict_edp_power_control) dpcd_write_rx_power_ctrl(link, false); dc->hwss.disable_link_output(link, link_res, signal); diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c index 98e715aa6d8e..24b47fa82f93 100644 --- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c +++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c @@ -33,6 +33,7 @@ #include "link_dp_capability.h" #include "dm_helpers.h" #include "dal_asic_id.h" +#include "link_dp_phy.h" #include "dce/dmub_psr.h" #include "dc/dc_dmub_srv.h" #include "dce/dmub_replay.h" @@ -362,6 +363,34 @@ void edp_panel_backlight_power_on(struct dc_link *link, bool wait_for_hpd) link->dc->hwss.edp_backlight_control(link, true); } +void edp_set_panel_power(struct dc_link *link, bool powerOn) +{ + if (powerOn) { + // 1. panel VDD on + if (!link->dc->config.edp_no_power_sequencing) + link->dc->hwss.edp_power_control(link, true); + link->dc->hwss.edp_wait_for_hpd_ready(link, true); + + // 2. panel BL on + if (link->dc->hwss.edp_backlight_control) + link->dc->hwss.edp_backlight_control(link, true); + + // 3. Rx power on + dpcd_write_rx_power_ctrl(link, true); + } else { + // 3. Rx power off + dpcd_write_rx_power_ctrl(link, false); + + // 2. panel BL off + if (link->dc->hwss.edp_backlight_control) + link->dc->hwss.edp_backlight_control(link, false); + + // 1. panel VDD off + if (!link->dc->config.edp_no_power_sequencing) + link->dc->hwss.edp_power_control(link, false); + } +} + bool edp_wait_for_t12(struct dc_link *link) { if (link->connector_signal == SIGNAL_TYPE_EDP && link->dc->hwss.edp_wait_for_T12) { diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.h b/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.h index 0a5bbda8c739..20f91de852e3 100644 --- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.h +++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.h @@ -69,4 +69,5 @@ void edp_add_delay_for_T9(struct dc_link *link); bool edp_receiver_ready_T9(struct dc_link *link); bool edp_receiver_ready_T7(struct dc_link *link); bool edp_power_alpm_dpcd_enable(struct dc_link *link, bool enable); +void edp_set_panel_power(struct dc_link *link, bool powerOn); #endif /* __DC_LINK_EDP_POWER_CONTROL_H__ */ |