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.deuc...@amd.com>
---
drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c
b/drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c
index f09d96bfee16d..855aeb7b1a89d 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c
@@ -3823,6 +3823,15 @@ static uint64_t gfx_v12_0_get_gpu_clock_counter(struct
amdgpu_device *adev)
static int gfx_v12_0_early_init(struct amdgpu_ip_block *ip_block)
{
struct amdgpu_device *adev = ip_block->adev;
+ int i;
+
+ if (amdgpu_enforce_isolation == -1) {
+ for (i = 0; i < MAX_XCP; i++) {
+ /* enable legacy mode by default */
+ adev->enforce_isolation[i] =
+ AMDGPU_ENFORCE_ISOLATION_ENABLE_LEGACY;
+ }
+ }
switch (amdgpu_user_queue) {
case -1:
--
2.49.0
