[PATCH 01/28] drm/amdgpu: enable legacy enforce isolation by default

[Alex Deucher]

Enable legacy enforce isolation (just serialize kernel
GC submissions).  This way we can reset a ring and
only affect the the process currently using that ring.
This mirrors what windows does.

Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 72e41781afb06..ca882e3d95bb7 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -2148,9 +2148,7 @@ static int amdgpu_device_check_arguments(struct amdgpu_device *adev)
 
 	for (i = 0; i < MAX_XCP; i++) {
 		switch (amdgpu_enforce_isolation) {
-		case -1:
 		case 0:
-		default:
 			/* disable */
 			adev->enforce_isolation[i] = AMDGPU_ENFORCE_ISOLATION_DISABLE;
 			break;
@@ -2159,7 +2157,9 @@ static int amdgpu_device_check_arguments(struct amdgpu_device *adev)
 			adev->enforce_isolation[i] =
 				AMDGPU_ENFORCE_ISOLATION_ENABLE;
 			break;
+		case -1:
 		case 2:
+		default:
 			/* enable legacy mode */
 			adev->enforce_isolation[i] =
 				AMDGPU_ENFORCE_ISOLATION_ENABLE_LEGACY;
-- 
2.49.0