[PATCH v4 07/15] drm/i915/dmc_wl: Extract intel_dmc_wl_reg_in_range()

[Gustavo Sousa]

We will be using more than one range table in
intel_dmc_wl_check_range(). As such, move the logic to a new function
and name it intel_dmc_wl_reg_in_range().

Reviewed-by: Luca Coelho <luciano.coelho at intel.com>
Signed-off-by: Gustavo Sousa <gustavo.sousa at intel.com>
---
 drivers/gpu/drm/i915/display/intel_dmc_wl.c | 21 +++++++++++----------
 1 file changed, 11 insertions(+), 10 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_dmc_wl.c b/drivers/gpu/drm/i915/display/intel_dmc_wl.c
index 1753c334f3fd..4b958a4c4358 100644
--- a/drivers/gpu/drm/i915/display/intel_dmc_wl.c
+++ b/drivers/gpu/drm/i915/display/intel_dmc_wl.c
@@ -99,21 +99,22 @@ static void intel_dmc_wl_work(struct work_struct *work)
 	spin_unlock_irqrestore(&wl->lock, flags);
 }
 
-static bool intel_dmc_wl_check_range(i915_reg_t reg)
+static bool intel_dmc_wl_reg_in_range(i915_reg_t reg,
+				      const struct intel_dmc_wl_range ranges[])
 {
-	int i;
-	bool wl_needed = false;
 	u32 offset = i915_mmio_reg_offset(reg);
 
-	for (i = 0; lnl_wl_range[i].start; i++) {
-		if (offset >= lnl_wl_range[i].start &&
-		    offset <= lnl_wl_range[i].end) {
-			wl_needed = true;
-			break;
-		}
+	for (int i = 0; ranges[i].start; i++) {
+		if (ranges[i].start <= offset && offset <= ranges[i].end)
+			return true;
 	}
 
-	return wl_needed;
+	return false;
+}
+
+static bool intel_dmc_wl_check_range(i915_reg_t reg)
+{
+	return intel_dmc_wl_reg_in_range(reg, lnl_wl_range);
 }
 
 static bool __intel_dmc_wl_supported(struct intel_display *display)
-- 
2.47.0