drm/i915/vblank: Extract vrr_vblank_start()

Initialise delayed vblank position for evasion logic.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Mitul Golani <mitulkumar.ajitkumar.golani@intel.com>
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Link: https://patch.msgid.link/20251223104542.2688548-13-mitulkumar.ajitkumar.golani@intel.com

diff --git a/drivers/gpu/drm/i915/display/intel_vblank.c b/drivers/gpu/drm/i915/display/intel_vblank.c
index d7028ac2c4bd2e5dafddf863d36133fa30edb604..2369d07de63f64a36bd76b3b03a1265c508bc567 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_vblank.c
+++ b/drivers/gpu/drm/i915/display/intel_vblank.c
@@ -651,6 +651,14 @@ intel_pre_commit_crtc_state(struct intel_atomic_state *state,
        return pre_commit_crtc_state(old_crtc_state, new_crtc_state);
 }
 
+static int vrr_vblank_start(const struct intel_crtc_state *crtc_state)
+{
+       if (intel_vrr_is_push_sent(crtc_state))
+               return intel_vrr_vmin_vblank_start(crtc_state);
+       else
+               return intel_vrr_vmax_vblank_start(crtc_state);
+}
+
 void intel_vblank_evade_init(const struct intel_crtc_state *old_crtc_state,
                             const struct intel_crtc_state *new_crtc_state,
                             struct intel_vblank_evade_ctx *evade)
@@ -677,10 +685,7 @@ void intel_vblank_evade_init(const struct intel_crtc_state *old_crtc_state,
                drm_WARN_ON(crtc->base.dev, intel_crtc_needs_modeset(new_crtc_state) ||
                            new_crtc_state->update_m_n || new_crtc_state->update_lrr);
 
-               if (intel_vrr_is_push_sent(crtc_state))
-                       evade->vblank_start = intel_vrr_vmin_vblank_start(crtc_state);
-               else
-                       evade->vblank_start = intel_vrr_vmax_vblank_start(crtc_state);
+               evade->vblank_start = vrr_vblank_start(crtc_state);
 
                vblank_delay = crtc_state->set_context_latency;
        } else {