From c5795c555bbaca51192ffc6164bb85845ecdf717 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Christian=20K=C3=B6nig?= Date: Thu, 12 Oct 2017 12:16:33 +0200 Subject: [PATCH] drm/amdgpu: minor CS optimization MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit We only need to loop over all IBs for old UVD/VCE command stream patching. Signed-off-by: Christian König Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 37 +++++++++++++------------- 1 file changed, 19 insertions(+), 18 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c index dfd37785563f..52dd78ee8fd0 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c @@ -853,36 +853,37 @@ static int amdgpu_cs_ib_vm_chunk(struct amdgpu_device *adev, struct amdgpu_fpriv *fpriv = p->filp->driver_priv; struct amdgpu_vm *vm = &fpriv->vm; struct amdgpu_ring *ring = p->job->ring; - int i, j, r; - - for (i = 0, j = 0; i < p->nchunks && j < p->job->num_ibs; i++) { - - struct amdgpu_cs_chunk *chunk; - struct amdgpu_ib *ib; - struct drm_amdgpu_cs_chunk_ib *chunk_ib; - - chunk = &p->chunks[i]; - ib = &p->job->ibs[j]; - chunk_ib = (struct drm_amdgpu_cs_chunk_ib *)chunk->kdata; + int r; - if (chunk->chunk_id != AMDGPU_CHUNK_ID_IB) - continue; + /* Only for UVD/VCE VM emulation */ + if (p->job->ring->funcs->parse_cs) { + unsigned i, j; - if (p->job->ring->funcs->parse_cs) { + for (i = 0, j = 0; i < p->nchunks && j < p->job->num_ibs; i++) { + struct drm_amdgpu_cs_chunk_ib *chunk_ib; struct amdgpu_bo_va_mapping *m; struct amdgpu_bo *aobj = NULL; + struct amdgpu_cs_chunk *chunk; + struct amdgpu_ib *ib; uint64_t offset; uint8_t *kptr; + chunk = &p->chunks[i]; + ib = &p->job->ibs[j]; + chunk_ib = chunk->kdata; + + if (chunk->chunk_id != AMDGPU_CHUNK_ID_IB) + continue; + r = amdgpu_cs_find_mapping(p, chunk_ib->va_start, - &aobj, &m); + &aobj, &m); if (r) { DRM_ERROR("IB va_start is invalid\n"); return r; } if ((chunk_ib->va_start + chunk_ib->ib_bytes) > - (m->last + 1) * AMDGPU_GPU_PAGE_SIZE) { + (m->last + 1) * AMDGPU_GPU_PAGE_SIZE) { DRM_ERROR("IB va_start+ib_bytes is invalid\n"); return -EINVAL; } @@ -899,12 +900,12 @@ static int amdgpu_cs_ib_vm_chunk(struct amdgpu_device *adev, memcpy(ib->ptr, kptr, chunk_ib->ib_bytes); amdgpu_bo_kunmap(aobj); - /* Only for UVD/VCE VM emulation */ r = amdgpu_ring_parse_cs(ring, p, j); if (r) return r; + + j++; } - j++; } if (p->job->vm) { -- 2.30.2