The macro i915_mmio_reg_offset() is the proper interface to get a
register's offset. Use that instead of looking directly at reg.reg.

Reviewed-by: Jani Nikula <[email protected]>
Reviewed-by: Luca Coelho <[email protected]>
Signed-off-by: Gustavo Sousa <[email protected]>
---
 drivers/gpu/drm/i915/display/intel_dmc_wl.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_dmc_wl.c 
b/drivers/gpu/drm/i915/display/intel_dmc_wl.c
index 5634ff07269d..05892a237d3a 100644
--- a/drivers/gpu/drm/i915/display/intel_dmc_wl.c
+++ b/drivers/gpu/drm/i915/display/intel_dmc_wl.c
@@ -91,14 +91,15 @@ static void intel_dmc_wl_work(struct work_struct *work)
        spin_unlock_irqrestore(&wl->lock, flags);
 }
 
-static bool intel_dmc_wl_check_range(u32 address)
+static bool intel_dmc_wl_check_range(i915_reg_t reg)
 {
        int i;
        bool wl_needed = false;
+       u32 offset = i915_mmio_reg_offset(reg);
 
        for (i = 0; i < ARRAY_SIZE(lnl_wl_range); i++) {
-               if (address >= lnl_wl_range[i].start &&
-                   address <= lnl_wl_range[i].end) {
+               if (offset >= lnl_wl_range[i].start &&
+                   offset <= lnl_wl_range[i].end) {
                        wl_needed = true;
                        break;
                }
@@ -191,7 +192,7 @@ void intel_dmc_wl_get(struct intel_display *display, 
i915_reg_t reg)
        if (!__intel_dmc_wl_supported(display))
                return;
 
-       if (!intel_dmc_wl_check_range(reg.reg))
+       if (!intel_dmc_wl_check_range(reg))
                return;
 
        spin_lock_irqsave(&wl->lock, flags);
@@ -239,7 +240,7 @@ void intel_dmc_wl_put(struct intel_display *display, 
i915_reg_t reg)
        if (!__intel_dmc_wl_supported(display))
                return;
 
-       if (!intel_dmc_wl_check_range(reg.reg))
+       if (!intel_dmc_wl_check_range(reg))
                return;
 
        spin_lock_irqsave(&wl->lock, flags);
-- 
2.47.0

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