[PATCH] drm/amdgpu/gfx: only call mes for enforce isolation if supported

[Alex Deucher]

This should not be called on chips without MES so check if
MES is enabled and if the cleaner shader is supported.

Fixes: 8521e3c5f058 ("drm/amd/amdgpu: limit single process inside MES")
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
Cc: Shaoyun Liu <shaoyun.liu at amd.com>
Cc: Srinivasan Shanmugam <srinivasan.shanmugam at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
index 27f5318c3a26c..b9bd6654f3172 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
@@ -1670,11 +1670,13 @@ static ssize_t amdgpu_gfx_set_enforce_isolation(struct device *dev,
 		if (adev->enforce_isolation[i] && !partition_values[i]) {
 			/* Going from enabled to disabled */
 			amdgpu_vmid_free_reserved(adev, AMDGPU_GFXHUB(i));
-			amdgpu_mes_set_enforce_isolation(adev, i, false);
+			if (adev->enable_mes && adev->gfx.enable_cleaner_shader)
+				amdgpu_mes_set_enforce_isolation(adev, i, false);
 		} else if (!adev->enforce_isolation[i] && partition_values[i]) {
 			/* Going from disabled to enabled */
 			amdgpu_vmid_alloc_reserved(adev, AMDGPU_GFXHUB(i));
-			amdgpu_mes_set_enforce_isolation(adev, i, true);
+			if (adev->enable_mes && adev->gfx.enable_cleaner_shader)
+				amdgpu_mes_set_enforce_isolation(adev, i, true);
 		}
 		adev->enforce_isolation[i] = partition_values[i];
 	}
-- 
2.48.1