[RFC PATCH 02/13] drm/xe: Add EXEC_QUEUE_FLAG_CAP_SYS_NICE

[Matthew Brost <matthew.brost@intel.com>]

Store whether CAP_SYS_NICE is set on the user process that creates an
exec queue. This will indicate if the exec queue is eligible for higher
priority levels under deadline pressure.

Signed-off-by: Matthew Brost <matthew.brost@intel.com>
---
 drivers/gpu/drm/xe/xe_exec_queue.c       | 3 +++
 drivers/gpu/drm/xe/xe_exec_queue_types.h | 2 ++
 2 files changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/xe/xe_exec_queue.c b/drivers/gpu/drm/xe/xe_exec_queue.c
index 0b9e074b022f..a9b981591773 100644
--- a/drivers/gpu/drm/xe/xe_exec_queue.c
+++ b/drivers/gpu/drm/xe/xe_exec_queue.c
@@ -1158,6 +1158,9 @@ int xe_exec_queue_create_ioctl(struct drm_device *dev, void *data,
 	if (args->flags & DRM_XE_EXEC_QUEUE_LOW_LATENCY_HINT)
 		flags |= EXEC_QUEUE_FLAG_LOW_LATENCY;
 
+	if (capable(CAP_SYS_NICE))
+		flags |= EXEC_QUEUE_FLAG_CAP_SYS_NICE;
+
 	if (eci[0].engine_class == DRM_XE_ENGINE_CLASS_VM_BIND) {
 		if (XE_IOCTL_DBG(xe, args->width != 1) ||
 		    XE_IOCTL_DBG(xe, args->num_placements != 1) ||
diff --git a/drivers/gpu/drm/xe/xe_exec_queue_types.h b/drivers/gpu/drm/xe/xe_exec_queue_types.h
index 67ea5eebf70b..cd7a6571f5c6 100644
--- a/drivers/gpu/drm/xe/xe_exec_queue_types.h
+++ b/drivers/gpu/drm/xe/xe_exec_queue_types.h
@@ -128,6 +128,8 @@ struct xe_exec_queue {
 #define EXEC_QUEUE_FLAG_LOW_LATENCY		BIT(5)
 /* for migration (kernel copy, clear, bind) jobs */
 #define EXEC_QUEUE_FLAG_MIGRATE			BIT(6)
+/* for user queues, created in CAP_SYS_NICE context */
+#define EXEC_QUEUE_FLAG_CAP_SYS_NICE		BIT(7)
 
 	/**
 	 * @flags: flags for this exec queue, should statically setup aside from ban
-- 
2.34.1