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This patch Adds a function to extract intel_crtc_state from the atomic_state, if not available it returns NULL. v2 (from Paulo): - Fix white space problem detected by checkpatch. Signed-off-by: Mahesh Kumar <mahesh1.kumar@intel.com> Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20161201154940.24446-7-mahesh1.kumar@intel.com