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drm/amdgpu/gfx8: reserve mqd objects before mapping them

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Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2017-03-23 01:35:44 -04:00
parent 0875a24296
commit 6a6f380f07
1 changed files with 21 additions and 11 deletions
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32
drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
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@ -4963,31 +4963,40 @@ static int gfx_v8_0_kiq_resume(struct amdgpu_device *adev)
gfx_v8_0_cp_compute_enable(adev, true);
ring = &adev->gfx.kiq.ring;
if (!amdgpu_bo_kmap(ring->mqd_obj, &ring->mqd_ptr)) {
r = amdgpu_bo_reserve(ring->mqd_obj, false);
if (unlikely(r != 0))
goto done;
r = amdgpu_bo_kmap(ring->mqd_obj, &ring->mqd_ptr);
if (!r) {
r = gfx_v8_0_kiq_init_queue(ring,
(struct vi_mqd *)ring->mqd_ptr,
ring->mqd_gpu_addr);
amdgpu_bo_kunmap(ring->mqd_obj);
ring->mqd_ptr = NULL;
if (r)
return r;
} else {
return r;
}
amdgpu_bo_unreserve(ring->mqd_obj);
if (r)
goto done;
for (i = 0; i < adev->gfx.num_compute_rings; i++) {
ring = &adev->gfx.compute_ring[i];
if (!amdgpu_bo_kmap(ring->mqd_obj, &ring->mqd_ptr)) {
r = amdgpu_bo_reserve(ring->mqd_obj, false);
if (unlikely(r != 0))
goto done;
r = amdgpu_bo_kmap(ring->mqd_obj, &ring->mqd_ptr);
if (!r) {
r = gfx_v8_0_kiq_init_queue(ring,
(struct vi_mqd *)ring->mqd_ptr,
ring->mqd_gpu_addr);
amdgpu_bo_kunmap(ring->mqd_obj);
ring->mqd_ptr = NULL;
if (r)
return r;
} else {
return r;
}
amdgpu_bo_unreserve(ring->mqd_obj);
if (r)
goto done;
}
for (i = 0; i < adev->gfx.num_compute_rings; i++) {
@ -5005,7 +5014,8 @@ static int gfx_v8_0_kiq_resume(struct amdgpu_device *adev)
if (r)
ring->ready = false;
return 0;
done:
return r;
}
static int gfx_v8_0_cp_compute_resume(struct amdgpu_device *adev)