From: "Xiang, Haihao" <haihao.xiang at intel.com>
A user can run batchbuffer via VEBOX ring.
Signed-off-by: Xiang, Haihao <haihao.xiang at intel.com>
[Order changed by]
Signed-off-by: Ben Widawsky <ben at bwidawsk.net>
---
drivers/gpu/drm/i915/i915_gem_execbuffer.c | 9 +++++++++
include/uapi/drm/i915_drm.h | 1 +
2 files changed, 10 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index 117ce38..a8bb62c 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -885,6 +885,15 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
return -EPERM;
}
break;
+ case I915_EXEC_VEBOX:
+ ring = &dev_priv->ring[VECS];
+ if (ctx_id != 0) {
+ DRM_DEBUG("Ring %s doesn't support contexts\n",
+ ring->name);
+ return -EPERM;
+ }
+ break;
+
default:
DRM_DEBUG("execbuf with unknown ring: %d\n",
(int)(args->flags & I915_EXEC_RING_MASK));
diff --git a/include/uapi/drm/i915_drm.h b/include/uapi/drm/i915_drm.h
index 07d5941..81b9981 100644
--- a/include/uapi/drm/i915_drm.h
+++ b/include/uapi/drm/i915_drm.h
@@ -660,6 +660,7 @@ struct drm_i915_gem_execbuffer2 {
#define I915_EXEC_RENDER (1<<0)
#define I915_EXEC_BSD (2<<0)
#define I915_EXEC_BLT (3<<0)
+#define I915_EXEC_VEBOX (4<<0)
/* Used for switching the constants addressing mode on gen4+ RENDER ring.
* Gen6+ only supports relative addressing to dynamic state (default) and
--
1.8.2.1
