From 69b9723a81e74e517048e1523a24d76fe8e2aef2 Mon Sep 17 00:00:00 2001 From: Charlene Liu Date: Thu, 18 Jan 2018 12:53:04 -0500 Subject: [PATCH] drm/amd/display: wait for T9 after backlight off mainlink blank. Signed-off-by: Charlene Liu Reviewed-by: Tony Cheng Acked-by: Harry Wentland Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c | 3 +-- drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c | 2 ++ drivers/gpu/drm/amd/display/dc/inc/link_hwss.h | 1 + 3 files changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c index 2096f2a..524f4aa 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c @@ -102,7 +102,7 @@ void dp_enable_link_phy( dp_receiver_power_ctrl(link, true); } -static bool edp_receiver_ready_T9(struct dc_link *link) +bool edp_receiver_ready_T9(struct dc_link *link) { unsigned int tries = 0; unsigned char sinkstatus = 0; @@ -130,7 +130,6 @@ void dp_disable_link_phy(struct dc_link *link, enum signal_type signal) dp_receiver_power_ctrl(link, false); if (signal == SIGNAL_TYPE_EDP) { - edp_receiver_ready_T9(link); link->link_enc->funcs->disable_output(link->link_enc, signal); link->dc->hwss.edp_power_control(link, false); } else 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 d293caf..fbb84a7 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 @@ -928,6 +928,8 @@ void hwss_edp_backlight_control( */ /* dc_service_sleep_in_milliseconds(50); */ link_transmitter_control(ctx->dc_bios, &cntl); + /*edp 1.2*/ + edp_receiver_ready_T9(link); } void dce110_disable_stream(struct pipe_ctx *pipe_ctx, int option) diff --git a/drivers/gpu/drm/amd/display/dc/inc/link_hwss.h b/drivers/gpu/drm/amd/display/dc/inc/link_hwss.h index f2b8c9a..46bb201 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/link_hwss.h +++ b/drivers/gpu/drm/amd/display/dc/inc/link_hwss.h @@ -51,6 +51,7 @@ void dp_enable_link_phy( const struct dc_link_settings *link_settings); void dp_receiver_power_ctrl(struct dc_link *link, bool on); +bool edp_receiver_ready_T9(struct dc_link *link); void dp_disable_link_phy(struct dc_link *link, enum signal_type signal); -- 2.7.4