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drm/i915/dp: Fix passing the correct DPCD_REV for drm_dp_set_phy_test…
…_pattern [ Upstream commit 2bd7a06 ] Using link_status to get DPCD_REV fails when disabling/defaulting phy pattern. Use intel_dp->dpcd to access DPCD_REV correctly. Fixes: 8cdf727 ("drm/i915/dp: Program vswing, pre-emphasis, test-pattern") Cc: Jani Nikula <jani.nikula@intel.com> Cc: Imre Deak <imre.deak@intel.com> Cc: Lee Shawn C <shawn.c.lee@intel.com> Signed-off-by: Khaled Almahallawy <khaled.almahallawy@intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20231213211542.3585105-3-khaled.almahallawy@intel.com (cherry picked from commit 3ee302e) Signed-off-by: Sasha Levin <sashal@kernel.org>
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