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drm/i915/panelreplay: Move out psr_init_dpcd() from init_connector()

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Move psr_init_dpcd() from init-connector to connector-detect
function. The dpcd probe for checking panel replay capability
for external dp connector is causing delay during boot which can
be optimized by moving dpcd probe to connector specific detect().

v1: Initial version.
v2: Add details in commit description. [Jani]

Suggested-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/10284
Signed-off-by: Animesh Manna <animesh.manna@intel.com>
Fixes: cceeaa312d ("drm/i915/panelreplay: Enable panel replay dpcd initialization for DP")
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240229043716.4065760-1-animesh.manna@intel.com
(cherry picked from commit 1cca19bf29)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
This commit is contained in:
Animesh Manna 2024-02-29 10:07:16 +05:30 committed by Joonas Lahtinen
parent 0848814aa2
commit 984318aaf7
2 changed files with 3 additions and 3 deletions
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3
drivers/gpu/drm/i915/display/intel_dp.c
View File

@ -5699,6 +5699,9 @@ intel_dp_detect(struct drm_connector *connector,
goto out;
}
if (!intel_dp_is_edp(intel_dp))
intel_psr_init_dpcd(intel_dp);
intel_dp_detect_dsc_caps(intel_dp, intel_connector);
intel_dp_configure_mst(intel_dp);

3
drivers/gpu/drm/i915/display/intel_psr.c
View File

@ -2776,9 +2776,6 @@ void intel_psr_init(struct intel_dp *intel_dp)
if (!(HAS_PSR(dev_priv) || HAS_DP20(dev_priv)))
return;
if (!intel_dp_is_edp(intel_dp))
intel_psr_init_dpcd(intel_dp);
/*
* HSW spec explicitly says PSR is tied to port A.
* BDW+ platforms have a instance of PSR registers per transcoder but