From: Imre Deak Date: Fri, 25 Oct 2024 16:02:57 +0000 (+0300) Subject: drm/i915/dp: Write the source OUI for eDP before detecting sink capabilities X-Git-Tag: v6.13-rc1~26^2~12^2~7 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=4fbdc4a5348d187f5c3bdf8b88f9b31b24647175;p=linux-block.git drm/i915/dp: Write the source OUI for eDP before detecting sink capabilities 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 Signed-off-by: Imre Deak Link: https://patchwork.freedesktop.org/patch/msgid/20241025160259.3088727-7-imre.deak@intel.com --- diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index f7bfb5ee003d..b692d442f84a 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -4199,6 +4199,12 @@ 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] @@ -4211,12 +4217,6 @@ 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; }