[Intel-gfx] [PATCH 3/8] drm/i915: add I915_PARAM_HAS_BSD2 to i915_getparam

[Rodrigo Vivi]

From: Zhipeng Gong <zhipeng.gong at intel.com>

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

Signed-off-by: Zhipeng Gong <zhipeng.gong at intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi at intel.com>
---
 drivers/gpu/drm/i915/i915_dma.c | 3 +++
 include/uapi/drm/i915_drm.h     | 1 +
 2 files changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 5dc37f0..1c145ed 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -979,6 +979,9 @@ static int i915_getparam(struct drm_device *dev, void *data,
 	case I915_PARAM_HAS_VEBOX:
 		value = intel_ring_initialized(&dev_priv->ring[VECS]);
 		break;
+	case I915_PARAM_HAS_BSD2:
+		value = intel_ring_initialized(&dev_priv->ring[VCS2]);
+		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 fcb16bf..fa99129 100644
--- a/include/uapi/drm/i915_drm.h
+++ b/include/uapi/drm/i915_drm.h
@@ -341,6 +341,7 @@ typedef struct drm_i915_irq_wait {
 #define I915_PARAM_HAS_WT     	 	 27
 #define I915_PARAM_CMD_PARSER_VERSION	 28
 #define I915_PARAM_HAS_COHERENT_PHYS_GTT 29
+#define I915_PARAM_HAS_BSD2		 30
 
 typedef struct drm_i915_getparam {
 	int param;
-- 
1.9.3