[PATCH] accel/ivpu: Document DRM_IVPU_PARAM_CAPABILITIES

[Stanislaw Gruszka]

Add comments regarding new DRM_IVPU_PARAM_CAPABILITIES param.

Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka at linux.intel.com>
---
 include/uapi/drm/ivpu_accel.h | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

diff --git a/include/uapi/drm/ivpu_accel.h b/include/uapi/drm/ivpu_accel.h
index a58a14c9f222..7d1ecc5bbac3 100644
--- a/include/uapi/drm/ivpu_accel.h
+++ b/include/uapi/drm/ivpu_accel.h
@@ -69,8 +69,21 @@ extern "C" {
 #define DRM_IVPU_CONTEXT_PRIORITY_FOCUS	    2
 #define DRM_IVPU_CONTEXT_PRIORITY_REALTIME  3
 
-#define DRM_IVPU_CAP_METRIC_STREAMER	    1
-#define DRM_IVPU_CAP_DMA_MEMORY_RANGE       2
+/**
+ * DRM_IVPU_CAP_METRIC_STREAMER
+ *
+ * Metric streamer support, provides sampling of various hardware
+ * performance metrics (like DMA bandwidth, cache miss/hits),
+ * can be used for profiling.
+ */
+#define DRM_IVPU_CAP_METRIC_STREAMER	1
+/**
+ * DRM_IVPU_CAP_DMA_MEMORY_RANGE
+ *
+ * Driver has capability to allocate separate memory range
+ * accessible by hardware DMA.
+ */
+#define DRM_IVPU_CAP_DMA_MEMORY_RANGE	2
 
 /**
  * struct drm_ivpu_param - Get/Set VPU parameters
@@ -123,6 +136,8 @@ struct drm_ivpu_param {
 	 * %DRM_IVPU_PARAM_SKU:
 	 * VPU SKU ID (read-only)
 	 *
+	 * %DRM_IVPU_PARAM_CAPABILITIES:
+	 * Supported capabilities (read-only)
 	 */
 	__u32 param;
 
-- 
2.25.1