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-rw-r--r--drivers/gpu/drm/xe/xe_gt_ccs_mode.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/gpu/drm/xe/xe_gt_ccs_mode.c b/drivers/gpu/drm/xe/xe_gt_ccs_mode.c
index 5d4cdbd69bc3..d2e4dc3aaf61 100644
--- a/drivers/gpu/drm/xe/xe_gt_ccs_mode.c
+++ b/drivers/gpu/drm/xe/xe_gt_ccs_mode.c
@@ -12,6 +12,7 @@
#include "xe_gt_printk.h"
#include "xe_gt_sysfs.h"
#include "xe_mmio.h"
+#include "xe_sriov.h"
static void __xe_gt_apply_ccs_mode(struct xe_gt *gt, u32 num_engines)
{
@@ -75,7 +76,7 @@ static void __xe_gt_apply_ccs_mode(struct xe_gt *gt, u32 num_engines)
void xe_gt_apply_ccs_mode(struct xe_gt *gt)
{
- if (!gt->ccs_mode)
+ if (!gt->ccs_mode || IS_SRIOV_VF(gt_to_xe(gt)))
return;
__xe_gt_apply_ccs_mode(gt, gt->ccs_mode);
@@ -110,6 +111,12 @@ ccs_mode_store(struct device *kdev, struct device_attribute *attr,
u32 num_engines, num_slices;
int ret;
+ if (IS_SRIOV(xe)) {
+ xe_gt_dbg(gt, "Can't change compute mode when running as %s\n",
+ xe_sriov_mode_to_string(xe_device_sriov_mode(xe)));
+ return -EOPNOTSUPP;
+ }
+
ret = kstrtou32(buff, 0, &num_engines);
if (ret)
return ret;