From 607b198e943bfb3df7fc2ac19c8e75bd5e5d66cc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@linux.intel.com>
Date: Mon, 13 Sep 2021 17:44:28 +0300
Subject: drm/i915: Flatten hsw_crtc_compute_clock()
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Git-commit: 555ec52127f9f09cae798ae66c82d017144743f0
Patch-mainline: v5.16-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225

hsw_crtc_compute_clock() has become spaghetti. Flatten
it a bit to make it at least semi-legible.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210913144440.23008-5-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
 drivers/gpu/drm/i915/display/intel_dpll.c | 20 +++++++++++---------
 1 file changed, 11 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_dpll.c b/drivers/gpu/drm/i915/display/intel_dpll.c
index 210f91f4a576..ace9157a1c30 100644
--- a/drivers/gpu/drm/i915/display/intel_dpll.c
+++ b/drivers/gpu/drm/i915/display/intel_dpll.c
@@ -937,16 +937,18 @@ static int hsw_crtc_compute_clock(struct intel_crtc_state *crtc_state)
 	struct intel_encoder *encoder =
 		intel_get_crtc_new_encoder(state, crtc_state);
 
-	if (IS_DG2(dev_priv)) {
+	if (IS_DG2(dev_priv))
 		return intel_mpllb_calc_state(crtc_state, encoder);
-	} else if (!intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DSI) ||
-		   DISPLAY_VER(dev_priv) >= 11) {
-		if (!intel_reserve_shared_dplls(state, crtc, encoder)) {
-			drm_dbg_kms(&dev_priv->drm,
-				    "failed to find PLL for pipe %c\n",
-				    pipe_name(crtc->pipe));
-			return -EINVAL;
-		}
+
+	if (DISPLAY_VER(dev_priv) < 11 &&
+	    intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DSI))
+		return 0;
+
+	if (!intel_reserve_shared_dplls(state, crtc, encoder)) {
+		drm_dbg_kms(&dev_priv->drm,
+			    "failed to find PLL for pipe %c\n",
+			    pipe_name(crtc->pipe));
+		return -EINVAL;
 	}
 
 	return 0;
-- 
2.38.1