From: Tvrtko Ursulin <[email protected]>

Gen8+ does not have swizziling so function will exit on the top most check.

At the same time convert the BUG to MISSING_CASE for a little more debug
info.

Signed-off-by: Tvrtko Ursulin <[email protected]>
---
 drivers/gpu/drm/i915/i915_gem.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 8eee9ecf0adf..7512c804d4b7 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1216,10 +1216,8 @@ void i915_gem_init_swizzling(struct drm_i915_private 
*dev_priv)
                I915_WRITE(ARB_MODE, _MASKED_BIT_ENABLE(ARB_MODE_SWIZZLE_SNB));
        else if (IS_GEN(dev_priv, 7))
                I915_WRITE(ARB_MODE, _MASKED_BIT_ENABLE(ARB_MODE_SWIZZLE_IVB));
-       else if (IS_GEN(dev_priv, 8))
-               I915_WRITE(GAMTARBMODE, 
_MASKED_BIT_ENABLE(ARB_MODE_SWIZZLE_BDW));
        else
-               BUG();
+               MISSING_CASE(INTEL_GEN(dev_priv));
 }
 
 static void init_unused_ring(struct drm_i915_private *dev_priv, u32 base)
-- 
2.20.1

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