[PATCH 1/1] drm/xe/eustall: Do not support EU stall on SRIOV VF

[Harish Chegondi]

EU stall sampling is not supported on SRIOV VF. Do not
initialize or open EU stall stream on SRIOV VF.

Signed-off-by: Harish Chegondi <harish.chegondi at intel.com>
---
 drivers/gpu/drm/xe/xe_eu_stall.c | 3 +++
 drivers/gpu/drm/xe/xe_eu_stall.h | 3 ++-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/xe/xe_eu_stall.c b/drivers/gpu/drm/xe/xe_eu_stall.c
index f2bb9168967c..64788277ea52 100644
--- a/drivers/gpu/drm/xe/xe_eu_stall.c
+++ b/drivers/gpu/drm/xe/xe_eu_stall.c
@@ -208,6 +208,9 @@ int xe_eu_stall_init(struct xe_gt *gt)
 	struct xe_device *xe = gt_to_xe(gt);
 	int ret;
 
+	if (!xe_eu_stall_supported_on_platform(xe))
+		return 0;
+
 	gt->eu_stall = kzalloc(sizeof(*gt->eu_stall), GFP_KERNEL);
 	if (!gt->eu_stall) {
 		ret = -ENOMEM;
diff --git a/drivers/gpu/drm/xe/xe_eu_stall.h b/drivers/gpu/drm/xe/xe_eu_stall.h
index ed9d0f233566..d1c76e503799 100644
--- a/drivers/gpu/drm/xe/xe_eu_stall.h
+++ b/drivers/gpu/drm/xe/xe_eu_stall.h
@@ -7,6 +7,7 @@
 #define __XE_EU_STALL_H__
 
 #include "xe_gt_types.h"
+#include "xe_sriov.h"
 
 size_t xe_eu_stall_get_per_xecore_buf_size(void);
 size_t xe_eu_stall_data_record_size(struct xe_device *xe);
@@ -19,6 +20,6 @@ int xe_eu_stall_stream_open(struct drm_device *dev,
 
 static inline bool xe_eu_stall_supported_on_platform(struct xe_device *xe)
 {
-	return xe->info.platform == XE_PVC || GRAPHICS_VER(xe) >= 20;
+	return !IS_SRIOV_VF(xe) && (xe->info.platform == XE_PVC || GRAPHICS_VER(xe) >= 20);
 }
 #endif
-- 
2.48.1