[Intel-gfx] [PATCH 2/2] intel: Add support for VEBOX ring (v2)

[Xiang, Haihao]

From: "Xiang, Haihao" <haihao.xiang at intel.com>

v2: Fix the test for has_vebox

Signed-off-by: Xiang, Haihao <haihao.xiang at intel.com>
---
 include/drm/i915_drm.h   |    2 ++
 intel/intel_bufmgr_gem.c |    9 +++++++++
 2 files changed, 11 insertions(+)

diff --git a/include/drm/i915_drm.h b/include/drm/i915_drm.h
index 8b069ac..2341d2a 100644
--- a/include/drm/i915_drm.h
+++ b/include/drm/i915_drm.h
@@ -305,6 +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_HAS_VEBOX            22
 
 typedef struct drm_i915_getparam {
 	int param;
@@ -651,6 +652,7 @@ 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
diff --git a/intel/intel_bufmgr_gem.c b/intel/intel_bufmgr_gem.c
index 512bc6f..758cc52 100644
--- a/intel/intel_bufmgr_gem.c
+++ b/intel/intel_bufmgr_gem.c
@@ -125,6 +125,7 @@ typedef struct _drm_intel_bufmgr_gem {
 	unsigned int has_wait_timeout : 1;
 	unsigned int bo_reuse : 1;
 	unsigned int no_exec : 1;
+	unsigned int has_vebox : 1;
 	bool fenced_relocs;
 
 	FILE *aub_file;
@@ -2210,6 +2211,10 @@ do_exec2(drm_intel_bo *bo, int used, drm_intel_context *ctx,
 		if (!bufmgr_gem->has_bsd)
 			return -EINVAL;
 		break;
+	case I915_EXEC_VEBOX:
+		if (!bufmgr_gem->has_vebox)
+			return -EINVAL;
+		break;
 	case I915_EXEC_RENDER:
 	case I915_EXEC_DEFAULT:
 		break;
@@ -3123,6 +3128,10 @@ drm_intel_bufmgr_gem_init(int fd, int batch_size)
 	} else
 		bufmgr_gem->has_llc = *gp.value;
 
+	gp.param = I915_PARAM_HAS_VEBOX;
+	ret = drmIoctl(bufmgr_gem->fd, DRM_IOCTL_I915_GETPARAM, &gp);
+	bufmgr_gem->has_vebox = (ret == 0) & (*gp.value > 0);
+
 	if (bufmgr_gem->gen < 4) {
 		gp.param = I915_PARAM_NUM_FENCES_AVAIL;
 		gp.value = &bufmgr_gem->available_fences;
-- 
1.7.9.5