[Intel-gfx] [PATCH 01/28] drm/i915/selftests: Improve granularity for mocs reset checks

[Chris Wilson]

Allow us to validate mocs configurations after reset if we have either
engine or global reset.

Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
---
 drivers/gpu/drm/i915/gt/selftest_mocs.c | 40 +++++++++++++------------
 1 file changed, 21 insertions(+), 19 deletions(-)

diff --git a/drivers/gpu/drm/i915/gt/selftest_mocs.c b/drivers/gpu/drm/i915/gt/selftest_mocs.c
index b25eba50c88e..21dcd91cbd62 100644
--- a/drivers/gpu/drm/i915/gt/selftest_mocs.c
+++ b/drivers/gpu/drm/i915/gt/selftest_mocs.c
@@ -361,29 +361,34 @@ static int active_engine_reset(struct intel_context *ce,
 static int __live_mocs_reset(struct live_mocs *mocs,
 			     struct intel_context *ce)
 {
+	struct intel_gt *gt = ce->engine->gt;
 	int err;
 
-	err = intel_engine_reset(ce->engine, "mocs");
-	if (err)
-		return err;
+	if (intel_has_reset_engine(gt)) {
+		err = intel_engine_reset(ce->engine, "mocs");
+		if (err)
+			return err;
 
-	err = check_mocs_engine(mocs, ce);
-	if (err)
-		return err;
+		err = check_mocs_engine(mocs, ce);
+		if (err)
+			return err;
 
-	err = active_engine_reset(ce, "mocs");
-	if (err)
-		return err;
+		err = active_engine_reset(ce, "mocs");
+		if (err)
+			return err;
 
-	err = check_mocs_engine(mocs, ce);
-	if (err)
-		return err;
+		err = check_mocs_engine(mocs, ce);
+		if (err)
+			return err;
+	}
 
-	intel_gt_reset(ce->engine->gt, ce->engine->mask, "mocs");
+	if (intel_has_gpu_reset(gt)) {
+		intel_gt_reset(gt, ce->engine->mask, "mocs");
 
-	err = check_mocs_engine(mocs, ce);
-	if (err)
-		return err;
+		err = check_mocs_engine(mocs, ce);
+		if (err)
+			return err;
+	}
 
 	return 0;
 }
@@ -398,9 +403,6 @@ static int live_mocs_reset(void *arg)
 
 	/* Check the mocs setup is retained over per-engine and global resets */
 
-	if (!intel_has_reset_engine(gt))
-		return 0;
-
 	err = live_mocs_init(&mocs, gt);
 	if (err)
 		return err;
-- 
2.20.1