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drm/i915: BUG() if fences are used on unsupported platform
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Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Ben Widawsky authored and Daniel Vetter committed Dec 18, 2012
1 parent 4d7bb01 commit 7dbf9d6
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Showing 2 changed files with 3 additions and 1 deletion.
2 changes: 1 addition & 1 deletion drivers/gpu/drm/i915/i915_gem.c
Original file line number Diff line number Diff line change
Expand Up @@ -2649,7 +2649,7 @@ static void i915_gem_write_fence(struct drm_device *dev, int reg,
case 4: i965_write_fence_reg(dev, reg, obj); break;
case 3: i915_write_fence_reg(dev, reg, obj); break;
case 2: i830_write_fence_reg(dev, reg, obj); break;
default: break;
default: BUG();
}
}

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2 changes: 2 additions & 0 deletions drivers/gpu/drm/i915/i915_irq.c
Original file line number Diff line number Diff line change
Expand Up @@ -1106,6 +1106,8 @@ static void i915_gem_record_fences(struct drm_device *dev,
error->fence[i] = I915_READ(FENCE_REG_830_0 + (i * 4));
break;

default:
BUG();
}
}

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