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drm/i915: Don't silently discard workarounds 

If we happen to emit more than I915_MAX_WA_REGS workarounds, we will
currently discard them, not even emit the LRI. Not really what we want,
so warn loudly.

Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Reviewed-by: Arun Siluvery <arun.siluvery@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Damien Lespiau 2014-08-30 16:51:01 +01:00 committed by Daniel Vetter
parent 55820e1e84
commit 04ad2dc711
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/i915/intel_ringbuffer.c
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@ -663,7 +663,7 @@ static inline void intel_ring_emit_wa(struct intel_engine_cs *ring,
struct drm_device *dev = ring->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
if (dev_priv->num_wa_regs >= I915_MAX_WA_REGS)
if (WARN_ON(dev_priv->num_wa_regs >= I915_MAX_WA_REGS))
return;
intel_ring_emit(ring, MI_LOAD_REGISTER_IMM(1));