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From 66782cec7ad8f48c09d96ee59b713f694265cfa1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>
Date: Mon, 11 May 2015 13:52:09 +0200
Subject: [PATCH 0198/1050] drm/amdgpu: always emit GDS switch
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Otherwise a process can access the GDS data of another process.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Monk Liu <monk.liu@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
index a83ff03..f2442b2 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
@@ -179,7 +179,7 @@ int amdgpu_ib_schedule(struct amdgpu_device *adev, unsigned num_ibs,
amdgpu_vm_flush(ring, vm, ib->sync.last_vm_update);
}
- if (ring->funcs->emit_gds_switch && ib->vm && (ib->flags & AMDGPU_IB_FLAG_GDS))
+ if (vm && ring->funcs->emit_gds_switch)
amdgpu_ring_emit_gds_switch(ring, ib->vm->ids[ring->idx].id,
ib->gds_base, ib->gds_size,
ib->gws_base, ib->gws_size,
--
1.9.1
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