The eDP sink's capabilities, like DSC, may depend on the source OUI written to the sink, so ensure the OUI is written before reading out the capabilities. Reviewed-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> Signed-off-by: Imre Deak <imre.deak@xxxxxxxxx> --- drivers/gpu/drm/i915/display/intel_dp.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index a3bc631d64095..0d6d7dc1e4ccd 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -4196,6 +4196,12 @@ intel_edp_init_dpcd(struct intel_dp *intel_dp, struct intel_connector *connector intel_dp->use_max_params = intel_dp->edp_dpcd[0] < DP_EDP_14; } + /* + * If needed, program our source OUI so we can make various Intel-specific AUX services + * available (such as HDR backlight controls) + */ + intel_dp_init_source_oui(intel_dp); + /* * This has to be called after intel_dp->edp_dpcd is filled, PSR checks * for SET_POWER_CAPABLE bit in intel_dp->edp_dpcd[1] @@ -4208,12 +4214,6 @@ intel_edp_init_dpcd(struct intel_dp *intel_dp, struct intel_connector *connector /* Read the eDP DSC DPCD registers */ intel_dp_detect_dsc_caps(intel_dp, connector); - /* - * If needed, program our source OUI so we can make various Intel-specific AUX services - * available (such as HDR backlight controls) - */ - intel_dp_init_source_oui(intel_dp); - return true; } -- 2.44.2
