drm/i915: add HAS_BSD check to i915_getparam

This will let userland only try to use the new media decode
functionality when the appropriate kernel is present.

Signed-off-by: Zou Nan hai <nanhai.zou@intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 6577798d3441..84ce95602f00 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -744,6 +744,9 @@ static int i915_getparam(struct drm_device *dev, void *data,
                 /* depends on GEM */
                 value = dev_priv->has_gem;
                 break;
+        case I915_PARAM_HAS_BSD:
+                value = HAS_BSD(dev);
+                break;
         default:
                 DRM_DEBUG_DRIVER("Unknown parameter %d\n",
                                  param->param);