diff --git a/drivers/gpu/drm/i915/gt/intel_engine_cs.c b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
index 4c3753c1b573b029a5b89f6ae568802b3e1f5adc..2590f5904b67412430d80b307d09ec66e04c0a6b 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
@@ -349,6 +349,45 @@ intel_engine_setup(struct drm_i915_private *dev_priv,
return 0;
}
+static void __setup_engine_capabilities(struct intel_engine_cs *engine)
+{
+ struct drm_i915_private *i915 = engine->i915;
+
+ if (engine->class == VIDEO_DECODE_CLASS) {
+ /*
+ * HEVC support is present on first engine instance
+ * before Gen11 and on all instances afterwards.
+ */
+ if (INTEL_GEN(i915) >= 11 ||
+ (INTEL_GEN(i915) >= 9 && engine->instance == 0))
+ engine->uabi_capabilities |=
+ I915_VIDEO_CLASS_CAPABILITY_HEVC;
+
+ /*
+ * SFC block is present only on even logical engine
+ * instances.
+ */
+ if ((INTEL_GEN(i915) >= 11 &&
+ RUNTIME_INFO(i915)->vdbox_sfc_access & engine->mask) ||
+ (INTEL_GEN(i915) >= 9 && engine->instance == 0))
+ engine->uabi_capabilities |=
+ I915_VIDEO_AND_ENHANCE_CLASS_CAPABILITY_SFC;
+ } else if (engine->class == VIDEO_ENHANCEMENT_CLASS) {
+ if (INTEL_GEN(i915) >= 9)
+ engine->uabi_capabilities |=
+ I915_VIDEO_AND_ENHANCE_CLASS_CAPABILITY_SFC;
+ }
+}
+
+static void intel_setup_engine_capabilities(struct drm_i915_private *i915)
+{
+ struct intel_engine_cs *engine;
+ enum intel_engine_id id;
+
+ for_each_engine(engine, i915, id)
+ __setup_engine_capabilities(engine);
+}
+
/**
* intel_engines_cleanup() - free the resources allocated for Command Streamers
* @i915: the i915 devic
@@ -414,6 +453,8 @@ int intel_engines_init_mmio(struct drm_i915_private *i915)
i915_check_and_clear_faults(i915);
+ intel_setup_engine_capabilities(i915);
+
return 0;
cleanup:
diff --git a/drivers/gpu/drm/i915/gt/intel_engine_types.h b/drivers/gpu/drm/i915/gt/intel_engine_types.h
index f3fc2e8acc90e412ddec06515bc9aaccef71c995..40e774acc2cd20341904cb989ca8d200136f63f1 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_types.h
+++ b/drivers/gpu/drm/i915/gt/intel_engine_types.h
@@ -280,6 +280,8 @@ struct intel_engine_cs {
u32 context_size;
u32 mmio_base;
+ u32 uabi_capabilities;
+
struct intel_sseu sseu;
struct intel_ring *buffer;
diff --git a/drivers/gpu/drm/i915/i915_query.c b/drivers/gpu/drm/i915/i915_query.c
index 782183b78f49c3ae727ae4dbc8ad75392d229583..414d0a6d1f70d63e0745e82d4ae5c692653d68a7 100644
--- a/drivers/gpu/drm/i915/i915_query.c
+++ b/drivers/gpu/drm/i915/i915_query.c
@@ -96,9 +96,58 @@ static int query_topology_info(struct drm_i915_private *dev_priv,
return total_length;
}
+static int
+query_engine_info(struct drm_i915_private *i915,
+ struct drm_i915_query_item *query_item)
+{
+ struct drm_i915_query_engine_info __user *query_ptr =
+ u64_to_user_ptr(query_item->data_ptr);
+ struct drm_i915_engine_info __user *info_ptr;
+ struct drm_i915_query_engine_info query;
+ struct drm_i915_engine_info info = { };
+ struct intel_engine_cs *engine;
+ enum intel_engine_id id;
+ int len, ret;
+
+ if (query_item->flags)
+ return -EINVAL;
+
+ len = sizeof(struct drm_i915_query_engine_info) +
+ RUNTIME_INFO(i915)->num_engines *
+ sizeof(struct drm_i915_engine_info);
+
+ ret = copy_query_item(&query, sizeof(query), len, query_item);
+ if (ret != 0)
+ return ret;
+
+ if (query.num_engines || query.rsvd[0] || query.rsvd[1] ||
+ query.rsvd[2])
+ return -EINVAL;
+
+ info_ptr = &query_ptr->engines[0];
+
+ for_each_engine(engine, i915, id) {
+ info.engine.engine_class = engine->uabi_class;
+ info.engine.engine_instance = engine->instance;
+ info.capabilities = engine->uabi_capabilities;
+
+ if (__copy_to_user(info_ptr, &info, sizeof(info)))
+ return -EFAULT;
+
+ query.num_engines++;
+ info_ptr++;
+ }
+
+ if (__copy_to_user(query_ptr, &query, sizeof(query)))
+ return -EFAULT;
+
+ return len;
+}
+
static int (* const i915_query_funcs[])(struct drm_i915_private *dev_priv,
struct drm_i915_query_item *query_item) = {
query_topology_info,
+ query_engine_info,
};
int i915_query_ioctl(struct drm_device *dev, void *data, struct drm_file *file)
diff --git a/include/uapi/drm/i915_drm.h b/include/uapi/drm/i915_drm.h
index bdb00ec1f8be5046c5e7a78f744e24ae609be7f3..328d05e77d9f6c6b3783dc67ba7316545bb9c0c3 100644
--- a/include/uapi/drm/i915_drm.h
+++ b/include/uapi/drm/i915_drm.h
@@ -1982,6 +1982,7 @@ struct drm_i915_perf_oa_config {
struct drm_i915_query_item {
__u64 query_id;
#define DRM_I915_QUERY_TOPOLOGY_INFO 1
+#define DRM_I915_QUERY_ENGINE_INFO 2
/* Must be kept compact -- no holes and well documented */
/*
@@ -2080,6 +2081,47 @@ struct drm_i915_query_topology_info {
__u8 data[];
};
+/**
+ * struct drm_i915_engine_info
+ *
+ * Describes one engine and it's capabilities as known to the driver.
+ */
+struct drm_i915_engine_info {
+ /** Engine class and instance. */
+ struct i915_engine_class_instance engine;
+
+ /** Reserved field. */
+ __u32 rsvd0;
+
+ /** Engine flags. */
+ __u64 flags;
+
+ /** Capabilities of this engine. */
+ __u64 capabilities;
+#define I915_VIDEO_CLASS_CAPABILITY_HEVC (1 << 0)
+#define I915_VIDEO_AND_ENHANCE_CLASS_CAPABILITY_SFC (1 << 1)
+
+ /** Reserved fields. */
+ __u64 rsvd1[4];
+};
+
+/**
+ * struct drm_i915_query_engine_info
+ *
+ * Engine info query enumerates all engines known to the driver by filling in
+ * an array of struct drm_i915_engine_info structures.
+ */
+struct drm_i915_query_engine_info {
+ /** Number of struct drm_i915_engine_info structs following. */
+ __u32 num_engines;
+
+ /** MBZ */
+ __u32 rsvd[3];
+
+ /** Marker for drm_i915_engine_info structures. */
+ struct drm_i915_engine_info engines[];
+};
+
#if defined(__cplusplus)
}
#endif