[PATCH v2 01/13] drm/i915/vrr: Refactor vmin/vmax stuff

[Mitul Golani <mitulkumar.ajitkumar.golani@intel.com>]

From: Ville Syrjälä <ville.syrjala@linux.intel.com>

Refactor vmin/vmax functions for better computation.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Mitul Golani <mitulkumar.ajitkumar.golani@intel.com>
---
 drivers/gpu/drm/i915/display/intel_vrr.c | 41 +++++++++++-------------
 1 file changed, 19 insertions(+), 22 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_vrr.c b/drivers/gpu/drm/i915/display/intel_vrr.c
index c6565baf815a..adfd231eb578 100644
--- a/drivers/gpu/drm/i915/display/intel_vrr.c
+++ b/drivers/gpu/drm/i915/display/intel_vrr.c
@@ -146,37 +146,41 @@ static int intel_vrr_vblank_exit_length(const struct intel_crtc_state *crtc_stat
 		return crtc_state->vrr.pipeline_full + crtc_state->framestart_delay + 1;
 }
 
-int intel_vrr_vmin_vtotal(const struct intel_crtc_state *crtc_state)
+static int intel_vrr_vtotal(const struct intel_crtc_state *crtc_state, int vmin_vmax)
 {
 	struct intel_display *display = to_intel_display(crtc_state);
 
-	/* Min vblank actually determined by flipline */
 	if (DISPLAY_VER(display) >= 13)
-		return intel_vrr_vmin_flipline(crtc_state);
+		return vmin_vmax;
 	else
-		return intel_vrr_vmin_flipline(crtc_state) +
-			intel_vrr_real_vblank_delay(crtc_state);
+		return vmin_vmax + intel_vrr_real_vblank_delay(crtc_state);
 }
 
-int intel_vrr_vmax_vtotal(const struct intel_crtc_state *crtc_state)
+static int intel_vrr_vblank_start(const struct intel_crtc_state *crtc_state,
+				  int vmin_vmax)
 {
-	struct intel_display *display = to_intel_display(crtc_state);
+	return intel_vrr_vtotal(crtc_state, vmin_vmax) -
+			intel_vrr_vblank_exit_length(crtc_state);
+}
 
-	if (DISPLAY_VER(display) >= 13)
-		return crtc_state->vrr.vmax;
-	else
-		return crtc_state->vrr.vmax +
-			intel_vrr_real_vblank_delay(crtc_state);
+int intel_vrr_vmin_vtotal(const struct intel_crtc_state *crtc_state)
+{
+	return intel_vrr_vtotal(crtc_state, intel_vrr_vmin_flipline(crtc_state));
+}
+
+int intel_vrr_vmax_vtotal(const struct intel_crtc_state *crtc_state)
+{
+	return intel_vrr_vtotal(crtc_state, crtc_state->vrr.vmax);
 }
 
 int intel_vrr_vmin_vblank_start(const struct intel_crtc_state *crtc_state)
 {
-	return intel_vrr_vmin_vtotal(crtc_state) - intel_vrr_vblank_exit_length(crtc_state);
+	return intel_vrr_vblank_start(crtc_state, intel_vrr_vmin_flipline(crtc_state));
 }
 
 int intel_vrr_vmax_vblank_start(const struct intel_crtc_state *crtc_state)
 {
-	return intel_vrr_vmax_vtotal(crtc_state) - intel_vrr_vblank_exit_length(crtc_state);
+	return intel_vrr_vblank_start(crtc_state, crtc_state->vrr.vmax);
 }
 
 static bool
@@ -257,14 +261,7 @@ void intel_vrr_compute_vrr_timings(struct intel_crtc_state *crtc_state)
 static
 int intel_vrr_fixed_rr_vtotal(const struct intel_crtc_state *crtc_state)
 {
-	struct intel_display *display = to_intel_display(crtc_state);
-	int crtc_vtotal = crtc_state->hw.adjusted_mode.crtc_vtotal;
-
-	if (DISPLAY_VER(display) >= 13)
-		return crtc_vtotal;
-	else
-		return crtc_vtotal -
-			intel_vrr_real_vblank_delay(crtc_state);
+	return intel_vrr_vtotal(crtc_state, crtc_state->hw.adjusted_mode.crtc_vtotal);
 }
 
 static
-- 
2.48.1