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@xxxxxxxxx>
---
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
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