drm/i915: add I915_PARAM_HAS_VEBOX to i915_getparam

This will let userland only try to use the new ring
when the appropriate kernel is present

Signed-off-by: Xiang, Haihao <haihao.xiang@intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 3cd2b60..03ee193 100644 (file)
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -956,6 +956,9 @@ static int i915_getparam(struct drm_device *dev, void *data,
        case I915_PARAM_HAS_BLT:
                value = intel_ring_initialized(&dev_priv->ring[BCS]);
                break;
+       case I915_PARAM_HAS_VEBOX:
+               value = intel_ring_initialized(&dev_priv->ring[VECS]);
+               break;
        case I915_PARAM_HAS_RELAXED_FENCING:
                value = 1;
                break;

diff --git a/include/uapi/drm/i915_drm.h b/include/uapi/drm/i915_drm.h
index 81b9981..923ed7f 100644 (file)
--- a/include/uapi/drm/i915_drm.h
+++ b/include/uapi/drm/i915_drm.h
@@ -305,7 +305,7 @@ typedef struct drm_i915_irq_wait {
 #define I915_PARAM_HAS_WAIT_TIMEOUT     19
 #define I915_PARAM_HAS_SEMAPHORES       20
 #define I915_PARAM_HAS_PRIME_VMAP_FLUSH         21
-#define I915_PARAM_RSVD_FOR_FUTURE_USE  22
+#define I915_PARAM_HAS_VEBOX            22
 #define I915_PARAM_HAS_SECURE_BATCHES   23
 #define I915_PARAM_HAS_PINNED_BATCHES   24
 #define I915_PARAM_HAS_EXEC_NO_RELOC    25