[PATCH 3/5] drm/xe/oa: Allow exec_queue's to be specified only for OAG OA unit

[Ashutosh Dixit <ashutosh.dixit@intel.com>]

Exec_queue's are only used for OAR/OAC functionality for OAG unit. Make
this requirement explicit, which avoids complications in the code for
other (non-OAG) OA units.

Signed-off-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Reviewed-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
---
 drivers/gpu/drm/xe/xe_oa.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/xe/xe_oa.c b/drivers/gpu/drm/xe/xe_oa.c
index 75db5530cb557..d63c04e2d4922 100644
--- a/drivers/gpu/drm/xe/xe_oa.c
+++ b/drivers/gpu/drm/xe/xe_oa.c
@@ -2032,6 +2032,10 @@ int xe_oa_stream_open_ioctl(struct drm_device *dev, u64 data, struct drm_file *f
 		return ret;
 
 	if (param.exec_queue_id > 0) {
+		/* An exec_queue is only needed for OAR/OAC functionality on OAG */
+		if (XE_IOCTL_DBG(oa->xe, param.oa_unit->type != DRM_XE_OA_UNIT_TYPE_OAG))
+			return -EINVAL;
+
 		param.exec_q = xe_exec_queue_lookup(xef, param.exec_queue_id);
 		if (XE_IOCTL_DBG(oa->xe, !param.exec_q))
 			return -ENOENT;
-- 
2.48.1