From f7336de9924407d5070cea1365c2231b9355e75b Mon Sep 17 00:00:00 2001 From: Dibin Moolakadan Subrahmanian Date: Tue, 16 Jun 2026 21:51:53 +0530 Subject: [PATCH] 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 Reviewed-by: Uma Shankar Reviewed-by: Animesh Manna Signed-off-by: Animesh Manna Link: https://patch.msgid.link/20260616162154.2630995-16-dibin.moolakadan.subrahmanian@intel.com --- drivers/gpu/drm/i915/display/intel_display.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index ddcf2d2054b7..3b17ce669ac5 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -7579,10 +7579,8 @@ static void intel_atomic_commit_tail(struct intel_atomic_state *state) /* FIXME probably need to sequence this properly */ intel_program_dpkgc_latency(state); - /* - * TODO: DC3co entry condition need to be checked before calling CMTG functions. - */ - intel_cmtg_program(state); + if (intel_display_power_dc3co_allowed(display)) + intel_cmtg_program(state); intel_wait_for_vblank_workers(state);