[Intel-gfx] [PATCH v3 03/15] drm/i915/rkl: RKL has no MBUS_ABOX_CTL{1, 2}

[Matt Roper]

Although RKL is a gen12 platform, it doesn't have the two extra
instances of the ABOX control register; we should only program
the single MBUS_ABOX_CTL on this platform.

Bspec: 50096
Signed-off-by: Matt Roper <matthew.d.roper at intel.com>
---
 drivers/gpu/drm/i915/display/intel_display_power.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c
index 2c1ce50b572b..37847b3d733c 100644
--- a/drivers/gpu/drm/i915/display/intel_display_power.c
+++ b/drivers/gpu/drm/i915/display/intel_display_power.c
@@ -4772,7 +4772,7 @@ static void icl_mbus_init(struct drm_i915_private *dev_priv)
 		MBUS_ABOX_BW_CREDIT(1);
 
 	intel_de_rmw(dev_priv, MBUS_ABOX_CTL, mask, val);
-	if (INTEL_GEN(dev_priv) >= 12) {
+	if (INTEL_GEN(dev_priv) >= 12 && !IS_ROCKETLAKE(dev_priv)) {
 		intel_de_rmw(dev_priv, MBUS_ABOX1_CTL, mask, val);
 		intel_de_rmw(dev_priv, MBUS_ABOX2_CTL, mask, val);
 	}
-- 
2.24.1