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drm/i915/dp: Write the source OUI for eDP before detecting sink capabilities

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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@linux.intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241025160259.3088727-7-imre.deak@intel.com
This commit is contained in:
Imre Deak
2024-10-25 19:02:57 +03:00
parent 99fe4aec08
commit 4fbdc4a534
1 changed files with 6 additions and 6 deletions
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12
drivers/gpu/drm/i915/display/intel_dp.c
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@@ -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;
}