From 5fa8be65e950e4f2a4e7dc31f823fca41b9e650e Mon Sep 17 00:00:00 2001 From: Daniel Vetter Date: Tue, 19 Jun 2012 17:16:01 +0200 Subject: [PATCH] drm/i915: return -ENODEV if hw context are not supported Otherwise userspace has no way to figure this out. Reviewed-by: Ben Widawsky Signed-Off-by: Daniel Vetter --- drivers/gpu/drm/i915/i915_gem_context.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c index 1b5041c52569..e58e8366f473 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_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; -- 2.20.1