[Intel-gfx] [PATCH V1 4/5] drm/i915/skl+: don't trust IPC value set by BIOS

[Mahesh Kumar]

If KMS decide to disable IPC make sure we override IPC configuration set
by BIOS.


Signed-off-by: Mahesh Kumar <mahesh1.kumar at intel.com>
---
 drivers/gpu/drm/i915/intel_pm.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 9550e24ffc2f..77970e38d939 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -6121,10 +6121,8 @@ void intel_enable_ipc(struct drm_i915_private *dev_priv)
 	u32 val;
 
 	/* Display WA #0477 WaDisableIPC: skl */
-	if (IS_SKYLAKE(dev_priv)) {
+	if (IS_SKYLAKE(dev_priv))
 		dev_priv->ipc_enabled = false;
-		return;
-	}
 
 	val = I915_READ(DISP_ARB_CTL2);
 
-- 
2.16.2