[PATCH 7/9] drm/i915/fbc: Extract intel_fbc_stolen_end()

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From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>

Declutter find_compression_limit() a bit by extracting
intel_fbc_stolen_end().

Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/i915/display/intel_fbc.c | 19 ++++++++++++-------
 1 file changed, 12 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_fbc.c b/drivers/gpu/drm/i915/display/intel_fbc.c
index 31ac1163f55b..6415f2cfd1ac 100644
--- a/drivers/gpu/drm/i915/display/intel_fbc.c
+++ b/drivers/gpu/drm/i915/display/intel_fbc.c
@@ -423,13 +423,8 @@ static u64 intel_fbc_cfb_base_max(struct drm_i915_private *i915)
 		return BIT_ULL(32);
 }
 
-static int find_compression_limit(struct drm_i915_private *dev_priv,
-				  unsigned int size,
-				  unsigned int fb_cpp)
+static u64 intel_fbc_stolen_end(struct drm_i915_private *dev_priv)
 {
-	struct intel_fbc *fbc = &dev_priv->fbc;
-	int compression_limit = 1;
-	int ret;
 	u64 end;
 
 	/* The FBC hardware for BDW/SKL doesn't have access to the stolen
@@ -442,7 +437,17 @@ static int find_compression_limit(struct drm_i915_private *dev_priv,
 	else
 		end = U64_MAX;
 
-	end = min(end, intel_fbc_cfb_base_max(dev_priv));
+	return min(end, intel_fbc_cfb_base_max(dev_priv));
+}
+
+static int find_compression_limit(struct drm_i915_private *dev_priv,
+				  unsigned int size,
+				  unsigned int fb_cpp)
+{
+	struct intel_fbc *fbc = &dev_priv->fbc;
+	u64 end = intel_fbc_stolen_end(dev_priv);
+	int compression_limit = 1;
+	int ret;
 
 	/* HACK: This code depends on what we will do in *_enable_fbc. If that
 	 * code changes, this code needs to change as well.
-- 
2.31.1

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