diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c | 29 |
1 files changed, 29 insertions, 0 deletions
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) { |