[PATCH 2/2] drm/amdgpu: cleanup VCN IB generation
Andrey Grodzovsky
Andrey.Grodzovsky at amd.com
Fri Feb 9 12:38:26 UTC 2018
On 02/09/2018 07:31 AM, Christian König wrote:
> Am 09.02.2018 um 13:20 schrieb Andrey Grodzovsky:
>>
>>
>> On 02/07/2018 02:48 PM, Christian König wrote:
>>> Start to use amdgpu_bo_create_reserved.
>>>
>>> Signed-off-by: Christian König <christian.koenig at amd.com>
>>> ---
>>> drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c | 91
>>> ++++++++-------------------------
>>> 1 file changed, 21 insertions(+), 70 deletions(-)
>>>
>>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
>>> b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
>>> index e86d0b2e9b7a..97bdde9a739e 100644
>>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
>>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
>>> @@ -270,43 +270,28 @@ int amdgpu_vcn_dec_ring_test_ring(struct
>>> amdgpu_ring *ring)
>>> return r;
>>> }
>>> -static int amdgpu_vcn_dec_send_msg(struct amdgpu_ring *ring,
>>> struct amdgpu_bo *bo,
>>> - bool direct, struct dma_fence **fence)
>>> +static int amdgpu_vcn_dec_send_msg(struct amdgpu_ring *ring,
>>> + struct amdgpu_bo *bo, bool direct,
>>> + struct dma_fence **fence)
>>> {
>>> - struct ttm_operation_ctx ctx = { true, false };
>>> - struct ttm_validate_buffer tv;
>>> - struct ww_acquire_ctx ticket;
>>> - struct list_head head;
>>> + struct amdgpu_device *adev = ring->adev;
>>> + struct dma_fence *f = NULL;
>>> struct amdgpu_job *job;
>>> struct amdgpu_ib *ib;
>>> - struct dma_fence *f = NULL;
>>> - struct amdgpu_device *adev = ring->adev;
>>> uint64_t addr;
>>> int i, r;
>>> - memset(&tv, 0, sizeof(tv));
>>> - tv.bo = &bo->tbo;
>>> -
>>> - INIT_LIST_HEAD(&head);
>>> - list_add(&tv.head, &head);
>>> -
>>> - r = ttm_eu_reserve_buffers(&ticket, &head, true, NULL);
>>> - if (r)
>>> - return r;
>>> -
>>> - r = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
>>> - if (r)
>>> - goto err;
>>> -
>>> r = amdgpu_job_alloc_with_ib(adev, 64, &job);
>>> if (r)
>>> goto err;
>>> ib = &job->ibs[0];
>>> addr = amdgpu_bo_gpu_offset(bo);
>>> - ib->ptr[0] = PACKET0(SOC15_REG_OFFSET(UVD, 0,
>>> mmUVD_GPCOM_VCPU_DATA0), 0);
>>> + ib->ptr[0] = PACKET0(SOC15_REG_OFFSET(UVD, 0,
>>> mmUVD_GPCOM_VCPU_DATA0),
>>> + 0);
>>
>> last argument slipped to new line
>>
>>> ib->ptr[1] = addr;
>>> - ib->ptr[2] = PACKET0(SOC15_REG_OFFSET(UVD, 0,
>>> mmUVD_GPCOM_VCPU_DATA1), 0);
>>> + ib->ptr[2] = PACKET0(SOC15_REG_OFFSET(UVD, 0,
>>> mmUVD_GPCOM_VCPU_DATA1),
>>> + 0);
>>
>> Same as above
>
> Mhm, actually correct according to the coding style (it makes the line
> less than 80 chars long), but I agree that it looks ugly. I'm going to
> remove it.
>
> Question is rather can somebody please test this on Raven?
>
> Thanks,
> Christian.
Today working from home so no raven at hand, if by Monday nobody tests
it I can give it a try then with libdrm's VCN and UVD tests.
Thanks,
Andrey
>
>>
>> Thanks,
>> Andrey
>>
>>> ib->ptr[3] = addr >> 32;
>>> ib->ptr[4] = PACKET0(SOC15_REG_OFFSET(UVD, 0,
>>> mmUVD_GPCOM_VCPU_CMD), 0);
>>> ib->ptr[5] = 0;
>>> @@ -330,11 +315,12 @@ static int amdgpu_vcn_dec_send_msg(struct
>>> amdgpu_ring *ring, struct amdgpu_bo *b
>>> goto err_free;
>>> }
>>> - ttm_eu_fence_buffer_objects(&ticket, &head, f);
>>> + amdgpu_bo_fence(bo, f, false);
>>> + amdgpu_bo_unreserve(bo);
>>> + amdgpu_bo_unref(&bo);
>>> if (fence)
>>> *fence = dma_fence_get(f);
>>> - amdgpu_bo_unref(&bo);
>>> dma_fence_put(f);
>>> return 0;
>>> @@ -343,7 +329,8 @@ static int amdgpu_vcn_dec_send_msg(struct
>>> amdgpu_ring *ring, struct amdgpu_bo *b
>>> amdgpu_job_free(job);
>>> err:
>>> - ttm_eu_backoff_reservation(&ticket, &head);
>>> + amdgpu_bo_unreserve(bo);
>>> + amdgpu_bo_unref(&bo);
>>> return r;
>>> }
>>> @@ -351,31 +338,16 @@ static int
>>> amdgpu_vcn_dec_get_create_msg(struct amdgpu_ring *ring, uint32_t hand
>>> struct dma_fence **fence)
>>> {
>>> struct amdgpu_device *adev = ring->adev;
>>> - struct amdgpu_bo *bo;
>>> + struct amdgpu_bo *bo = NULL;
>>> uint32_t *msg;
>>> int r, i;
>>> - r = amdgpu_bo_create(adev, 1024, PAGE_SIZE, true,
>>> - AMDGPU_GEM_DOMAIN_VRAM,
>>> - AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED |
>>> - AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS,
>>> - NULL, NULL, &bo);
>>> + r = amdgpu_bo_create_reserved(adev, 1024, PAGE_SIZE,
>>> + AMDGPU_GEM_DOMAIN_VRAM,
>>> + &bo, NULL, (void **)&msg);
>>> if (r)
>>> return r;
>>> - r = amdgpu_bo_reserve(bo, false);
>>> - if (r) {
>>> - amdgpu_bo_unref(&bo);
>>> - return r;
>>> - }
>>> -
>>> - r = amdgpu_bo_kmap(bo, (void **)&msg);
>>> - if (r) {
>>> - amdgpu_bo_unreserve(bo);
>>> - amdgpu_bo_unref(&bo);
>>> - return r;
>>> - }
>>> -
>>> msg[0] = cpu_to_le32(0x00000028);
>>> msg[1] = cpu_to_le32(0x00000038);
>>> msg[2] = cpu_to_le32(0x00000001);
>>> @@ -393,9 +365,6 @@ static int amdgpu_vcn_dec_get_create_msg(struct
>>> amdgpu_ring *ring, uint32_t hand
>>> for (i = 14; i < 1024; ++i)
>>> msg[i] = cpu_to_le32(0x0);
>>> - amdgpu_bo_kunmap(bo);
>>> - amdgpu_bo_unreserve(bo);
>>> -
>>> return amdgpu_vcn_dec_send_msg(ring, bo, true, fence);
>>> }
>>> @@ -407,27 +376,12 @@ static int
>>> amdgpu_vcn_dec_get_destroy_msg(struct amdgpu_ring *ring, uint32_t han
>>> uint32_t *msg;
>>> int r, i;
>>> - r = amdgpu_bo_create(adev, 1024, PAGE_SIZE, true,
>>> - AMDGPU_GEM_DOMAIN_VRAM,
>>> - AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED |
>>> - AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS,
>>> - NULL, NULL, &bo);
>>> + r = amdgpu_bo_create_reserved(adev, 1024, PAGE_SIZE,
>>> + AMDGPU_GEM_DOMAIN_VRAM,
>>> + &bo, NULL, (void **)&msg);
>>> if (r)
>>> return r;
>>> - r = amdgpu_bo_reserve(bo, false);
>>> - if (r) {
>>> - amdgpu_bo_unref(&bo);
>>> - return r;
>>> - }
>>> -
>>> - r = amdgpu_bo_kmap(bo, (void **)&msg);
>>> - if (r) {
>>> - amdgpu_bo_unreserve(bo);
>>> - amdgpu_bo_unref(&bo);
>>> - return r;
>>> - }
>>> -
>>> msg[0] = cpu_to_le32(0x00000028);
>>> msg[1] = cpu_to_le32(0x00000018);
>>> msg[2] = cpu_to_le32(0x00000000);
>>> @@ -437,9 +391,6 @@ static int amdgpu_vcn_dec_get_destroy_msg(struct
>>> amdgpu_ring *ring, uint32_t han
>>> for (i = 6; i < 1024; ++i)
>>> msg[i] = cpu_to_le32(0x0);
>>> - amdgpu_bo_kunmap(bo);
>>> - amdgpu_bo_unreserve(bo);
>>> -
>>> return amdgpu_vcn_dec_send_msg(ring, bo, direct, fence);
>>> }
>>
>
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