From efcb492d77c42734aaf24aae02b4973323dc15d0 Mon Sep 17 00:00:00 2001 From: Stanislaw Gruszka Date: Thu, 10 Aug 2023 10:07:07 +0200 Subject: [PATCH] accel/ivpu: Document DRM_IVPU_PARAM_CAPABILITIES Add comments regarding new DRM_IVPU_PARAM_CAPABILITIES param. Signed-off-by: Stanislaw Gruszka Reviewed-by: Jeffrey Hugo Link: https://patchwork.freedesktop.org/patch/msgid/20230810080707.3545883-1-stanislaw.gruszka@linux.intel.com --- include/uapi/drm/ivpu_accel.h | 18 ++++++++++++++++-- 1 file changed, 16 insertions(+), 2 deletions(-) diff --git a/include/uapi/drm/ivpu_accel.h b/include/uapi/drm/ivpu_accel.h index a58a14c9f2228..262db0c3beeea 100644 --- a/include/uapi/drm/ivpu_accel.h +++ b/include/uapi/drm/ivpu_accel.h @@ -69,8 +69,20 @@ 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 and 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 +135,8 @@ struct drm_ivpu_param { * %DRM_IVPU_PARAM_SKU: * VPU SKU ID (read-only) * + * %DRM_IVPU_PARAM_CAPABILITIES: + * Supported capabilities (read-only) */ __u32 param; -- 2.30.2