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Commit 5fa8be65 authored by Daniel Vetter's avatar Daniel Vetter
Browse files

drm/i915: return -ENODEV if hw context are not supported 



Otherwise userspace has no way to figure this out.

Reviewed-by: default avatarBen Widawsky <ben@bwidawsk.net>
Signed-Off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent 73c273eb

drivers/gpu/drm/i915/i915_gem_context.c

+4 −0
Original line number Diff line number Diff line
@@ -480,6 +480,7 @@ int i915_switch_context(struct intel_ring_buffer *ring, 
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 @@ int i915_gem_context_create_ioctl(struct drm_device *dev, void *data, 
	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;