drm/i915/dp: Restore the missing check for intel_dp_has_joiner

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Commit ad121a62d5 ("drm/i915/dp: Rework pipe joiner logic in mode_valid")
replaced intel_dp_num_joined_pipes() with an explicit joiner candidate
iteration. The previous code implicitly checked for DP joiner capability
via intel_dp_has_joiner(), but this check was lost during the refactor.

Restore the missing intel_dp_has_joiner() check in intel_dp_can_join() so
that DP specific joiner conditions are taken into account.

v2: Derive intel_dp from intel_attached_dp(). (Imre)

Fixes: ad121a62d5 ("drm/i915/dp: Rework pipe joiner logic in mode_valid")
Cc: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Cc: Imre Deak <imre.deak@intel.com>
Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Link: https://patch.msgid.link/20260206044753.808631-1-ankit.k.nautiyal@intel.com

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This commit is contained in:

Ankit Nautiyal 2026-02-06 10:17:53 +05:30

parent 5293d4ab3a

commit 20df14666a

1 changed files with 8 additions and 2 deletions

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drivers/gpu/drm/i915/display/intel_dp.c

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