[PATCH 02/27] drm/i915:vrr: Refactor VRR timing setup into a separate function

[Ankit Nautiyal]

Move the VRR timing setup code from intel_vrr_compute_config() to a new
function intel_vrr_prepare_vrr_timings().

Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal at intel.com>
---
 drivers/gpu/drm/i915/display/intel_vrr.c | 29 +++++++++++++++---------
 1 file changed, 18 insertions(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_vrr.c b/drivers/gpu/drm/i915/display/intel_vrr.c
index 08d93e116104..8f9ba846f90a 100644
--- a/drivers/gpu/drm/i915/display/intel_vrr.c
+++ b/drivers/gpu/drm/i915/display/intel_vrr.c
@@ -222,6 +222,23 @@ cmrr_get_vtotal(struct intel_crtc_state *crtc_state, bool video_mode_required)
 	return vtotal;
 }
 
+static
+void intel_vrr_prepare_vrr_timings(struct intel_crtc_state *crtc_state, int vmin, int vmax)
+{
+	struct intel_display *display = to_intel_display(crtc_state);
+
+	crtc_state->vrr.vmin = vmin;
+	crtc_state->vrr.vmax = vmax;
+	crtc_state->vrr.flipline = crtc_state->vrr.vmin;
+
+	/*
+	 * flipline determines the min vblank length the hardware will
+	 * generate, and on ICL/TGL flipline>=vmin+1, hence we reduce
+	 * vmin by one to make sure we can get the actual min vblank length.
+	 */
+	crtc_state->vrr.vmin -= intel_vrr_flipline_offset(display);
+}
+
 void
 intel_vrr_compute_config(struct intel_crtc_state *crtc_state,
 			 struct drm_connector_state *conn_state)
@@ -264,17 +281,7 @@ intel_vrr_compute_config(struct intel_crtc_state *crtc_state,
 	if (vmin >= vmax)
 		return;
 
-	crtc_state->vrr.vmin = vmin;
-	crtc_state->vrr.vmax = vmax;
-
-	crtc_state->vrr.flipline = crtc_state->vrr.vmin;
-
-	/*
-	 * flipline determines the min vblank length the hardware will
-	 * generate, and on ICL/TGL flipline>=vmin+1, hence we reduce
-	 * vmin by one to make sure we can get the actual min vblank length.
-	 */
-	crtc_state->vrr.vmin -= intel_vrr_flipline_offset(display);
+	intel_vrr_prepare_vrr_timings(crtc_state, vmin, vmax);
 
 	if (crtc_state->uapi.vrr_enabled) {
 		crtc_state->vrr.enable = true;
-- 
2.45.2