drm/i915/display: Guard CMTG function calls

Check if DC3CO is allowed before calling CMTG
functions in intel_atomic_commit_tail() as CMTG is only used
by DC3CO DC state.

Signed-off-by: Dibin Moolakadan Subrahmanian <dibin.moolakadan.subrahmanian@intel.com>
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Reviewed-by: Animesh Manna <animesh.manna@intel.com>
Signed-off-by: Animesh Manna <animesh.manna@intel.com>
Link: https://patch.msgid.link/20260616162154.2630995-16-dibin.moolakadan.subrahmanian@intel.com
This commit is contained in:
Dibin Moolakadan Subrahmanian 2026-06-16 21:51:53 +05:30 • committed by Animesh Manna
commit f7336de992