drm/i915/bxt: Add MST support when do DPLL calculation
Add the missing INTEL_OUTPUT_DP_MST case in bxt_get_dpll() to correctly initialize the crtc_state and port plls when link training a DP MST monitor on BXT/APL devices. Fixes: a277ca7d ("drm/i915: Split bxt_ddi_pll_select()") Bugs: https://bugs.freedesktop.org/show_bug.cgi?id=99572Reviewed-by: NCooper Chiou <cooper.chiou@intel.com> Reviewed-by: NGary C Wang <gary.c.wang@intel.com> Reviewed-by: NCiobanu, Nathan D <nathan.d.ciobanu@intel.com> Reviewed-by: NHerbert, Marc <marc.herbert@intel.com> Reviewed-by: NBride, Jim <jim.bride@intel.com> Reviewed-by: NNavare, Manasi D <manasi.d.navare@intel.com> Cc: Jani Nikula <jani.nikula@intel.com> Cc: <stable@vger.kernel.org> # v4.9+ Signed-off-by: NLee, Shawn C <shawn.c.lee@intel.com> Signed-off-by: NJani Nikula <jani.nikula@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1486096329-6255-1-git-send-email-shawn.c.lee@intel.com
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