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From 86618a1575348c674992b1180960e4316988c3bd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>
Date: Wed, 3 Apr 2019 14:11:53 +0200
Subject: [PATCH 3816/4256] drm/amdgpu: drop double HDP flush in the VM code
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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Already done in the CPU based backend code.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 6 ------
1 file changed, 6 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 6cda76591973..db1fe417fc95 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -1746,12 +1746,6 @@ int amdgpu_vm_bo_update(struct amdgpu_device *adev, struct amdgpu_bo_va *bo_va,
return r;
}
- if (vm->use_cpu_for_update) {
- /* Flush HDP */
- mb();
- amdgpu_asic_flush_hdp(adev, NULL);
- }
-
/* If the BO is not in its preferred location add it back to
* the evicted list so that it gets validated again on the
* next command submission.
--
2.17.1
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