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drm/amd/display: wait for T9 after backlight off mainlink blank.

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Signed-off-by: Charlene Liu <charlene.liu@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>
This commit is contained in:
Charlene Liu 2018-01-18 12:53:04 -05:00 committed by Alex Deucher
parent fdb401d03d
commit 69b9723a81
3 changed files with 4 additions and 2 deletions
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3
drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c
View File

@ -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

2
drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
View File

@ -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)

1
drivers/gpu/drm/amd/display/dc/inc/link_hwss.h
View File

@ -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);