[Intel-gfx] [PATCH 2/6] drm/i915: Bug on unsupported swizzled platforms
Ben Widawsky
benjamin.widawsky at intel.com
Tue Dec 18 19:31:23 CET 2012
Signed-off-by: Ben Widawsky <ben at bwidawsk.net>
Reviewed-by: Jesse Barnes <jbarnes at virtuousgeek.org>
---
drivers/gpu/drm/i915/i915_gem.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index bf3b0c7..4c6f043 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -3887,8 +3887,10 @@ void i915_gem_init_swizzling(struct drm_device *dev)
I915_WRITE(TILECTL, I915_READ(TILECTL) | TILECTL_SWZCTL);
if (IS_GEN6(dev))
I915_WRITE(ARB_MODE, _MASKED_BIT_ENABLE(ARB_MODE_SWIZZLE_SNB));
- else
+ else if (IS_GEN7(dev))
I915_WRITE(ARB_MODE, _MASKED_BIT_ENABLE(ARB_MODE_SWIZZLE_IVB));
+ else
+ BUG();
}
static bool
--
1.8.0.1
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