From: Ovidiu Bunea <[email protected]> [why & how] OLED power up sequence takes an extra 150ms via hardcoded delay, but there is a strict requirement on DisplayOn resume time. For customer panel, remove these delays to meet target until a cleaner solution is can be put in place.
Reviewed-by: Charlene Liu <[email protected]> Signed-off-by: Ovidiu Bunea <[email protected]> Signed-off-by: Tom Chung <[email protected]> --- drivers/gpu/drm/amd/display/dc/dc.h | 1 + drivers/gpu/drm/amd/display/dc/dc_types.h | 1 + .../drm/amd/display/dc/hwss/dce110/dce110_hwseq.c | 3 ++- drivers/gpu/drm/amd/display/dc/link/link_dpms.c | 15 +++++++++++---- 4 files changed, 15 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index 6d76dc110d38..412cdb01a61a 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -1067,6 +1067,7 @@ struct dc_debug_options { unsigned int sharpen_policy; unsigned int scale_to_sharpness_policy; bool skip_full_updated_if_possible; + unsigned int enable_oled_edp_power_up_opt; }; diff --git a/drivers/gpu/drm/amd/display/dc/dc_types.h b/drivers/gpu/drm/amd/display/dc/dc_types.h index 3401f4c9fb10..f0776484abb7 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_types.h +++ b/drivers/gpu/drm/amd/display/dc/dc_types.h @@ -180,6 +180,7 @@ struct dc_panel_patch { unsigned int remove_sink_ext_caps; unsigned int disable_colorimetry; uint8_t blankstream_before_otg_off; + bool oled_optimize_display_on; }; struct dc_edid_caps { diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c index c31ec44ccd8c..427fd6ea062a 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c @@ -1039,7 +1039,8 @@ void dce110_edp_backlight_control( link_transmitter_control(ctx->dc_bios, &cntl); if (enable && link->dpcd_sink_ext_caps.bits.oled && - !link->dc->config.edp_no_power_sequencing) { + !link->dc->config.edp_no_power_sequencing && + !link->local_sink->edid_caps.panel_patch.oled_optimize_display_on) { post_T7_delay += link->panel_config.pps.extra_post_t7_ms; msleep(post_T7_delay); } 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 c4e03482ba9a..41cab9ad6885 100644 --- a/drivers/gpu/drm/amd/display/dc/link/link_dpms.c +++ b/drivers/gpu/drm/amd/display/dc/link/link_dpms.c @@ -2082,6 +2082,9 @@ static enum dc_status enable_link_dp(struct dc_state *state, if (link_settings->link_rate == LINK_RATE_LOW) skip_video_pattern = false; + if (stream->sink_patches.oled_optimize_display_on) + set_default_brightness_aux(link); + if (perform_link_training_with_retries(link_settings, skip_video_pattern, lt_attempts, @@ -2105,10 +2108,14 @@ static enum dc_status enable_link_dp(struct dc_state *state, if (link->dpcd_sink_ext_caps.bits.oled == 1 || link->dpcd_sink_ext_caps.bits.sdr_aux_backlight_control == 1 || link->dpcd_sink_ext_caps.bits.hdr_aux_backlight_control == 1) { - set_default_brightness_aux(link); - if (link->dpcd_sink_ext_caps.bits.oled == 1) - msleep(bl_oled_enable_delay); - edp_backlight_enable_aux(link, true); + if (!stream->sink_patches.oled_optimize_display_on) { + set_default_brightness_aux(link); + if (link->dpcd_sink_ext_caps.bits.oled == 1) + msleep(bl_oled_enable_delay); + edp_backlight_enable_aux(link, true); + } else { + edp_backlight_enable_aux(link, true); + } } return status; -- 2.34.1
