[PATCH 2/2] drm/amdgpu: cleanup VCN IB generation
Leo Liu
leo.liu at amd.com
Fri Feb 9 15:39:25 UTC 2018
On 02/09/2018 07:32 AM, Christian König wrote:
> Leo could you give this patch on Raven a try and review/ack it?
Sure.
Leo
>
> I've tested patch #1 on Vega10, but I don't have a stable Raven system
> to test this one.
>
> Thanks,
> Christian.
>
> Am 07.02.2018 um 20:48 schrieb Christian König:
>> 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);
>> 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);
>> 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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