drm/i915: return -ENODEV if hw context are not supported
Otherwise userspace has no way to figure this out.
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c
index 1b5041c..e58e836 100644
--- a/drivers/gpu/drm/i915/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/i915_gem_context.c
@@ -480,6 +480,7 @@
int i915_gem_context_create_ioctl(struct drm_device *dev, void *data,
struct drm_file *file)
{
+ struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_i915_gem_context_create *args = data;
struct drm_i915_file_private *file_priv = file->driver_priv;
struct i915_hw_context *ctx;
@@ -488,6 +489,9 @@
if (!(dev->driver->driver_features & DRIVER_GEM))
return -ENODEV;
+ if (dev_priv->hw_contexts_disabled)
+ return -ENODEV;
+
ret = i915_mutex_lock_interruptible(dev);
if (ret)
return ret;