Commit 07f4f8bf authored by Eric Anholt's avatar Eric Anholt

drm/i915: Don't let an oops get triggered from irq_emit without dma init.

Userland is broken if it's trying this, but we also shouldn't allow oopses.
Signed-off-by: default avatarEric Anholt <>
parent f544847f
...@@ -406,7 +406,7 @@ int i915_irq_emit(struct drm_device *dev, void *data, ...@@ -406,7 +406,7 @@ int i915_irq_emit(struct drm_device *dev, void *data,
drm_i915_irq_emit_t *emit = data; drm_i915_irq_emit_t *emit = data;
int result; int result;
if (!dev_priv) { if (!dev_priv || !dev_priv->ring.virtual_start) {
DRM_ERROR("called with no initialization\n"); DRM_ERROR("called with no initialization\n");
return -EINVAL; return -EINVAL;
} }
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