Revert "drm/amd/display: workaround for oled eDP not lighting up on DCN401"

This reverts commit e902dd7f3e3b93a401e1d3c0322cce933e75e809.

A proper fix for this issue has been implemented in DMUB FW. So, no need
to keep the workaround.

Reviewed-by: Wenjing Liu <wenjing.liu@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Joshua Aberback <joshua.aberback@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h
index 35ca38ea2efaaf92e0928648a28fa70ce290aa6a..b9c67bac7beb656c22706fe5c13724624e346210 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -1045,7 +1045,6 @@ struct dc_debug_options {
        unsigned int force_easf;
        unsigned int force_sharpness;
        unsigned int force_lls;
-       bool edp_oled_no_backlight_enable;
 };
 
 

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 b0e17064a96070dd1f92a697aa19a96f7b2c9592..455b85adec28b6f4950ee5203b1a5ae5dbf3c843 100644 (file)
--- 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
@@ -248,9 +248,6 @@ bool edp_backlight_enable_aux(struct dc_link *link, bool enable)
                link->connector_signal != SIGNAL_TYPE_DISPLAY_PORT))
                return false;
 
-       if (link->dc->debug.edp_oled_no_backlight_enable && link->dpcd_sink_ext_caps.bits.oled)
-               return true;
-
        if (core_link_write_dpcd(link, DP_SOURCE_BACKLIGHT_ENABLE,
                &backlight_enable, 1) != DC_OK)
                return false;

diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn401/dcn401_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn401/dcn401_resource.c
index d78dc63f82fd49a86fa60edceaf67726eb555ac5..74fb21b88f12b2a6f5a929874292267757ee5209 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn401/dcn401_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn401/dcn401_resource.c
@@ -731,7 +731,6 @@ static const struct dc_debug_options debug_defaults_drv = {
                }
        },
        .force_cositing = CHROMA_COSITING_TOPLEFT + 1,
-       .edp_oled_no_backlight_enable = true,
 };
 
 static struct dce_aux *dcn401_aux_engine_create(