drm/i915/dmc_wl: Extract intel_dmc_wl_reg_in_range()

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@intel.com>
Signed-off-by: Gustavo Sousa <gustavo.sousa@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241108130218.24125-8-gustavo.sousa@intel.com

diff --git a/drivers/gpu/drm/i915/display/intel_dmc_wl.c b/drivers/gpu/drm/i915/display/intel_dmc_wl.c
index 1753c334f3fd04c3ebca812d9e8369d6b5ea29e3..4b958a4c4358ae7268d1d495a37012a5c8c29d04 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_dmc_wl.c
+++ b/drivers/gpu/drm/i915/display/intel_dmc_wl.c
@@ -99,21 +99,22 @@ out_unlock:
        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)