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drm/amdgpu/sriov:alloc KIQ MQD in VRAM(v2)

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this way after KIQ MQD released in drv unloading, CPC
can still let KIQ access this MQD thus RLCV SAVE_VF
will not fail

v2:
always use VRAM domain for KIQ MQD no matter BM or SRIOV

Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Monk Liu 2017-09-21 15:10:06 +08:00 committed by Alex Deucher
parent 85f95ad629
commit beb8410284
1 changed files with 6 additions and 1 deletions
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7
drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
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@ -260,8 +260,13 @@ int amdgpu_gfx_compute_mqd_sw_init(struct amdgpu_device *adev,
/* create MQD for KIQ */
ring = &adev->gfx.kiq.ring;
if (!ring->mqd_obj) {
/* originaly the KIQ MQD is put in GTT domain, but for SRIOV VRAM domain is a must
* otherwise hypervisor trigger SAVE_VF fail after driver unloaded which mean MQD
* deallocated and gart_unbind, to strict diverage we decide to use VRAM domain for
* KIQ MQD no matter SRIOV or Bare-metal
*/
r = amdgpu_bo_create_kernel(adev, mqd_size, PAGE_SIZE,
AMDGPU_GEM_DOMAIN_GTT, &ring->mqd_obj,
AMDGPU_GEM_DOMAIN_VRAM, &ring->mqd_obj,
&ring->mqd_gpu_addr, &ring->mqd_ptr);
if (r) {
dev_warn(adev->dev, "failed to create ring mqd ob (%d)", r);