[PATCH 11/21] drm/i915: Remove impossible path from i915_gem_init_swizzling

Tvrtko Ursulin
2019-06-06T09:37:02Z

From: Tvrtko Ursulin <tvrtko.ursulin@intel.com>

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 <tvrtko.ursulin@intel.com>
---
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