From d71518b5aa7c9c298ffbd12ddd23297e3373a37b Mon Sep 17 00:00:00 2001 From: =?utf8?q?Christian=20K=C3=B6nig?= Date: Mon, 1 Feb 2016 12:20:25 +0100 Subject: [PATCH] drm/amdgpu: cleanup in kernel job submission MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Add a job_alloc_with_ib helper and proper job submission. Signed-off-by: Christian König Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu.h | 13 ++-- drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 10 +-- drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c | 76 ++++++++++---------- drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 34 ++++----- drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c | 37 ++++------ drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c | 58 +++++---------- drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 87 +++++++---------------- 7 files changed, 111 insertions(+), 204 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 387a26bba65a..6cefde4aab49 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -797,14 +797,11 @@ extern struct amd_sched_backend_ops amdgpu_sched_ops; int amdgpu_job_alloc(struct amdgpu_device *adev, unsigned num_ibs, struct amdgpu_job **job); +int amdgpu_job_alloc_with_ib(struct amdgpu_device *adev, unsigned size, + struct amdgpu_job **job); void amdgpu_job_free(struct amdgpu_job *job); -int amdgpu_sched_ib_submit_kernel_helper(struct amdgpu_device *adev, - struct amdgpu_ring *ring, - struct amdgpu_ib *ibs, - unsigned num_ibs, - int (*free_job)(struct amdgpu_job *), - void *owner, - struct fence **fence); +int amdgpu_job_submit(struct amdgpu_job *job, struct amdgpu_ring *ring, + void *owner, struct fence **f); struct amdgpu_ring { struct amdgpu_device *adev; @@ -987,7 +984,6 @@ int amdgpu_vm_bo_unmap(struct amdgpu_device *adev, uint64_t addr); void amdgpu_vm_bo_rmv(struct amdgpu_device *adev, struct amdgpu_bo_va *bo_va); -int amdgpu_vm_free_job(struct amdgpu_job *job); /* * context related structures @@ -1244,7 +1240,6 @@ struct amdgpu_job { uint32_t num_ibs; void *owner; struct amdgpu_user_fence uf; - int (*free_job)(struct amdgpu_job *job); }; #define to_amdgpu_job(sched_job) \ container_of((sched_job), struct amdgpu_job, base) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c index d928165bfc33..a5311623a489 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c @@ -752,12 +752,6 @@ static int amdgpu_cs_dependencies(struct amdgpu_device *adev, return 0; } -static int amdgpu_cs_free_job(struct amdgpu_job *job) -{ - amdgpu_job_free(job); - return 0; -} - static int amdgpu_cs_submit(struct amdgpu_cs_parser *p, union drm_amdgpu_cs *cs) { @@ -771,12 +765,10 @@ static int amdgpu_cs_submit(struct amdgpu_cs_parser *p, job->base.sched = &ring->sched; job->base.s_entity = &p->ctx->rings[ring->idx].entity; job->owner = p->filp; - job->free_job = amdgpu_cs_free_job; fence = amd_sched_fence_create(job->base.s_entity, p->filp); if (!fence) { - amdgpu_cs_free_job(job); - kfree(job); + amdgpu_job_free(job); return -ENOMEM; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c index cabb0fc28610..bbdda727f89a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c @@ -45,11 +45,26 @@ int amdgpu_job_alloc(struct amdgpu_device *adev, unsigned num_ibs, (*job)->adev = adev; (*job)->ibs = (void *)&(*job)[1]; (*job)->num_ibs = num_ibs; - (*job)->free_job = NULL; return 0; } +int amdgpu_job_alloc_with_ib(struct amdgpu_device *adev, unsigned size, + struct amdgpu_job **job) +{ + int r; + + r = amdgpu_job_alloc(adev, 1, job); + if (r) + return r; + + r = amdgpu_ib_get(adev, NULL, size, &(*job)->ibs[0]); + if (r) + kfree(*job); + + return r; +} + void amdgpu_job_free(struct amdgpu_job *job) { unsigned i; @@ -58,7 +73,27 @@ void amdgpu_job_free(struct amdgpu_job *job) amdgpu_ib_free(job->adev, &job->ibs[i]); amdgpu_bo_unref(&job->uf.bo); - /* TODO: Free the job structure here as well */ + kfree(job); +} + +int amdgpu_job_submit(struct amdgpu_job *job, struct amdgpu_ring *ring, + void *owner, struct fence **f) +{ + struct amdgpu_device *adev = job->adev; + + job->ring = ring; + job->base.sched = &ring->sched; + job->base.s_entity = &adev->kernel_ctx.rings[ring->idx].entity; + job->base.s_fence = amd_sched_fence_create(job->base.s_entity, owner); + if (!job->base.s_fence) + return -ENOMEM; + + *f = fence_get(&job->base.s_fence->base); + + job->owner = owner; + amd_sched_entity_push_job(&job->base); + + return 0; } static struct fence *amdgpu_sched_dependency(struct amd_sched_job *sched_job) @@ -106,10 +141,7 @@ static struct fence *amdgpu_sched_run_job(struct amd_sched_job *sched_job) } err: - if (job->free_job) - job->free_job(job); - - kfree(job); + amdgpu_job_free(job); return fence; } @@ -117,35 +149,3 @@ struct amd_sched_backend_ops amdgpu_sched_ops = { .dependency = amdgpu_sched_dependency, .run_job = amdgpu_sched_run_job, }; - -int amdgpu_sched_ib_submit_kernel_helper(struct amdgpu_device *adev, - struct amdgpu_ring *ring, - struct amdgpu_ib *ibs, - unsigned num_ibs, - int (*free_job)(struct amdgpu_job *), - void *owner, - struct fence **f) -{ - struct amdgpu_job *job = - kzalloc(sizeof(struct amdgpu_job), GFP_KERNEL); - if (!job) - return -ENOMEM; - job->base.sched = &ring->sched; - job->base.s_entity = &adev->kernel_ctx.rings[ring->idx].entity; - job->base.s_fence = amd_sched_fence_create(job->base.s_entity, owner); - if (!job->base.s_fence) { - kfree(job); - return -ENOMEM; - } - *f = fence_get(&job->base.s_fence->base); - - job->adev = adev; - job->ring = ring; - job->ibs = ibs; - job->num_ibs = num_ibs; - job->owner = owner; - job->free_job = free_job; - amd_sched_entity_push_job(&job->base); - - return 0; -} diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index 6b63dcc3a773..21c1a18c6d48 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -1012,9 +1012,10 @@ int amdgpu_copy_buffer(struct amdgpu_ring *ring, struct fence **fence) { struct amdgpu_device *adev = ring->adev; + struct amdgpu_job *job; + uint32_t max_bytes; unsigned num_loops, num_dw; - struct amdgpu_ib *ib; unsigned i; int r; @@ -1026,20 +1027,12 @@ int amdgpu_copy_buffer(struct amdgpu_ring *ring, while (num_dw & 0x7) num_dw++; - ib = kzalloc(sizeof(struct amdgpu_ib), GFP_KERNEL); - if (!ib) - return -ENOMEM; - - r = amdgpu_ib_get(adev, NULL, num_dw * 4, ib); - if (r) { - kfree(ib); + r = amdgpu_job_alloc_with_ib(adev, num_dw * 4, &job); + if (r) return r; - } - - ib->length_dw = 0; if (resv) { - r = amdgpu_sync_resv(adev, &ib->sync, resv, + r = amdgpu_sync_resv(adev, &job->ibs[0].sync, resv, AMDGPU_FENCE_OWNER_UNDEFINED); if (r) { DRM_ERROR("sync failed (%d).\n", r); @@ -1050,27 +1043,24 @@ int amdgpu_copy_buffer(struct amdgpu_ring *ring, for (i = 0; i < num_loops; i++) { uint32_t cur_size_in_bytes = min(byte_count, max_bytes); - amdgpu_emit_copy_buffer(adev, ib, src_offset, dst_offset, - cur_size_in_bytes); + amdgpu_emit_copy_buffer(adev, &job->ibs[0], src_offset, + dst_offset, cur_size_in_bytes); src_offset += cur_size_in_bytes; dst_offset += cur_size_in_bytes; byte_count -= cur_size_in_bytes; } - amdgpu_ring_pad_ib(ring, ib); - WARN_ON(ib->length_dw > num_dw); - r = amdgpu_sched_ib_submit_kernel_helper(adev, ring, ib, 1, - &amdgpu_vm_free_job, - AMDGPU_FENCE_OWNER_UNDEFINED, - fence); + amdgpu_ring_pad_ib(ring, &job->ibs[0]); + WARN_ON(job->ibs[0].length_dw > num_dw); + r = amdgpu_job_submit(job, ring, AMDGPU_FENCE_OWNER_UNDEFINED, fence); if (r) goto error_free; return 0; + error_free: - amdgpu_ib_free(adev, ib); - kfree(ib); + amdgpu_job_free(job); return r; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c index 46f2bdb76d20..4e98be8b29fb 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c @@ -823,14 +823,6 @@ int amdgpu_uvd_ring_parse_cs(struct amdgpu_cs_parser *parser, uint32_t ib_idx) return 0; } -static int amdgpu_uvd_free_job( - struct amdgpu_job *job) -{ - amdgpu_ib_free(job->adev, job->ibs); - kfree(job->ibs); - return 0; -} - static int amdgpu_uvd_send_msg(struct amdgpu_ring *ring, struct amdgpu_bo *bo, struct fence **fence) @@ -838,7 +830,8 @@ static int amdgpu_uvd_send_msg(struct amdgpu_ring *ring, struct ttm_validate_buffer tv; struct ww_acquire_ctx ticket; struct list_head head; - struct amdgpu_ib *ib = NULL; + struct amdgpu_job *job; + struct amdgpu_ib *ib; struct fence *f = NULL; struct amdgpu_device *adev = ring->adev; uint64_t addr; @@ -862,15 +855,12 @@ static int amdgpu_uvd_send_msg(struct amdgpu_ring *ring, r = ttm_bo_validate(&bo->tbo, &bo->placement, true, false); if (r) goto err; - ib = kzalloc(sizeof(struct amdgpu_ib), GFP_KERNEL); - if (!ib) { - r = -ENOMEM; - goto err; - } - r = amdgpu_ib_get(adev, NULL, 64, ib); + + r = amdgpu_job_alloc_with_ib(adev, 64, &job); if (r) - goto err1; + goto err; + ib = &job->ibs[0]; addr = amdgpu_bo_gpu_offset(bo); ib->ptr[0] = PACKET0(mmUVD_GPCOM_VCPU_DATA0, 0); ib->ptr[1] = addr; @@ -882,12 +872,9 @@ static int amdgpu_uvd_send_msg(struct amdgpu_ring *ring, ib->ptr[i] = PACKET2(0); ib->length_dw = 16; - r = amdgpu_sched_ib_submit_kernel_helper(adev, ring, ib, 1, - &amdgpu_uvd_free_job, - AMDGPU_FENCE_OWNER_UNDEFINED, - &f); + r = amdgpu_job_submit(job, ring, AMDGPU_FENCE_OWNER_UNDEFINED, &f); if (r) - goto err2; + goto err_free; ttm_eu_fence_buffer_objects(&ticket, &head, f); @@ -897,10 +884,10 @@ static int amdgpu_uvd_send_msg(struct amdgpu_ring *ring, fence_put(f); return 0; -err2: - amdgpu_ib_free(ring->adev, ib); -err1: - kfree(ib); + +err_free: + amdgpu_job_free(job); + err: ttm_eu_backoff_reservation(&ticket, &head); return r; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c index bcbe4167d7b1..66e97ea0e6b0 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c @@ -346,14 +346,6 @@ void amdgpu_vce_free_handles(struct amdgpu_device *adev, struct drm_file *filp) } } -static int amdgpu_vce_free_job( - struct amdgpu_job *job) -{ - amdgpu_ib_free(job->adev, job->ibs); - kfree(job->ibs); - return 0; -} - /** * amdgpu_vce_get_create_msg - generate a VCE create msg * @@ -368,21 +360,17 @@ int amdgpu_vce_get_create_msg(struct amdgpu_ring *ring, uint32_t handle, struct fence **fence) { const unsigned ib_size_dw = 1024; - struct amdgpu_ib *ib = NULL; + struct amdgpu_job *job; + struct amdgpu_ib *ib; struct fence *f = NULL; - struct amdgpu_device *adev = ring->adev; uint64_t dummy; int i, r; - ib = kzalloc(sizeof(struct amdgpu_ib), GFP_KERNEL); - if (!ib) - return -ENOMEM; - r = amdgpu_ib_get(adev, NULL, ib_size_dw * 4, ib); - if (r) { - DRM_ERROR("amdgpu: failed to get ib (%d).\n", r); - kfree(ib); + r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4, &job); + if (r) return r; - } + + ib = &job->ibs[0]; dummy = ib->gpu_addr + 1024; @@ -423,19 +411,16 @@ int amdgpu_vce_get_create_msg(struct amdgpu_ring *ring, uint32_t handle, for (i = ib->length_dw; i < ib_size_dw; ++i) ib->ptr[i] = 0x0; - r = amdgpu_sched_ib_submit_kernel_helper(adev, ring, ib, 1, - &amdgpu_vce_free_job, - AMDGPU_FENCE_OWNER_UNDEFINED, - &f); + r = amdgpu_job_submit(job, ring, AMDGPU_FENCE_OWNER_UNDEFINED, &f); if (r) goto err; if (fence) *fence = fence_get(f); fence_put(f); return 0; + err: - amdgpu_ib_free(adev, ib); - kfree(ib); + amdgpu_job_free(job); return r; } @@ -453,23 +438,17 @@ int amdgpu_vce_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle, struct fence **fence) { const unsigned ib_size_dw = 1024; - struct amdgpu_ib *ib = NULL; + struct amdgpu_job *job; + struct amdgpu_ib *ib; struct fence *f = NULL; - struct amdgpu_device *adev = ring->adev; uint64_t dummy; int i, r; - ib = kzalloc(sizeof(struct amdgpu_ib), GFP_KERNEL); - if (!ib) - return -ENOMEM; - - r = amdgpu_ib_get(adev, NULL, ib_size_dw * 4, ib); - if (r) { - kfree(ib); - DRM_ERROR("amdgpu: failed to get ib (%d).\n", r); + r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4, &job); + if (r) return r; - } + ib = &job->ibs[0]; dummy = ib->gpu_addr + 1024; /* stitch together an VCE destroy msg */ @@ -489,19 +468,16 @@ int amdgpu_vce_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle, for (i = ib->length_dw; i < ib_size_dw; ++i) ib->ptr[i] = 0x0; - r = amdgpu_sched_ib_submit_kernel_helper(adev, ring, ib, 1, - &amdgpu_vce_free_job, - AMDGPU_FENCE_OWNER_UNDEFINED, - &f); + r = amdgpu_job_submit(job, ring, AMDGPU_FENCE_OWNER_UNDEFINED, &f); if (r) goto err; if (fence) *fence = fence_get(f); fence_put(f); return 0; + err: - amdgpu_ib_free(adev, ib); - kfree(ib); + amdgpu_job_free(job); return r; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index b68642b47b7b..fb003089f73c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -313,15 +313,6 @@ static void amdgpu_vm_update_pages(struct amdgpu_device *adev, } } -int amdgpu_vm_free_job(struct amdgpu_job *job) -{ - int i; - for (i = 0; i < job->num_ibs; i++) - amdgpu_ib_free(job->adev, &job->ibs[i]); - kfree(job->ibs); - return 0; -} - /** * amdgpu_vm_clear_bo - initially clear the page dir/table * @@ -335,7 +326,7 @@ static int amdgpu_vm_clear_bo(struct amdgpu_device *adev, { struct amdgpu_ring *ring = adev->vm_manager.vm_pte_funcs_ring; struct fence *fence = NULL; - struct amdgpu_ib *ib; + struct amdgpu_job *job; unsigned entries; uint64_t addr; int r; @@ -351,32 +342,25 @@ static int amdgpu_vm_clear_bo(struct amdgpu_device *adev, addr = amdgpu_bo_gpu_offset(bo); entries = amdgpu_bo_size(bo) / 8; - ib = kzalloc(sizeof(struct amdgpu_ib), GFP_KERNEL); - if (!ib) + r = amdgpu_job_alloc_with_ib(adev, 64, &job); + if (r) goto error; - r = amdgpu_ib_get(adev, NULL, 64, ib); + amdgpu_vm_update_pages(adev, NULL, 0, &job->ibs[0], addr, 0, entries, + 0, 0); + amdgpu_ring_pad_ib(ring, &job->ibs[0]); + + WARN_ON(job->ibs[0].length_dw > 64); + r = amdgpu_job_submit(job, ring, AMDGPU_FENCE_OWNER_VM, &fence); if (r) goto error_free; - ib->length_dw = 0; - - amdgpu_vm_update_pages(adev, NULL, 0, ib, addr, 0, entries, 0, 0); - amdgpu_ring_pad_ib(ring, ib); - - WARN_ON(ib->length_dw > 64); - r = amdgpu_sched_ib_submit_kernel_helper(adev, ring, ib, 1, - &amdgpu_vm_free_job, - AMDGPU_FENCE_OWNER_VM, - &fence); - if (!r) - amdgpu_bo_fence(bo, fence, true); + amdgpu_bo_fence(bo, fence, true); fence_put(fence); return 0; error_free: - amdgpu_ib_free(adev, ib); - kfree(ib); + amdgpu_job_free(job); error: return r; @@ -433,6 +417,7 @@ int amdgpu_vm_update_page_directory(struct amdgpu_device *adev, uint32_t incr = AMDGPU_VM_PTE_COUNT * 8; uint64_t last_pde = ~0, last_pt = ~0; unsigned count = 0, pt_idx, ndw; + struct amdgpu_job *job; struct amdgpu_ib *ib; struct fence *fence = NULL; @@ -444,16 +429,11 @@ int amdgpu_vm_update_page_directory(struct amdgpu_device *adev, /* assume the worst case */ ndw += vm->max_pde_used * 6; - ib = kzalloc(sizeof(struct amdgpu_ib), GFP_KERNEL); - if (!ib) - return -ENOMEM; - - r = amdgpu_ib_get(adev, NULL, ndw * 4, ib); - if (r) { - kfree(ib); + r = amdgpu_job_alloc_with_ib(adev, ndw * 4, &job); + if (r) return r; - } - ib->length_dw = 0; + + ib = &job->ibs[0]; /* walk over the address space and update the page directory */ for (pt_idx = 0; pt_idx <= vm->max_pde_used; ++pt_idx) { @@ -495,10 +475,7 @@ int amdgpu_vm_update_page_directory(struct amdgpu_device *adev, amdgpu_ring_pad_ib(ring, ib); amdgpu_sync_resv(adev, &ib->sync, pd->tbo.resv, AMDGPU_FENCE_OWNER_VM); WARN_ON(ib->length_dw > ndw); - r = amdgpu_sched_ib_submit_kernel_helper(adev, ring, ib, 1, - &amdgpu_vm_free_job, - AMDGPU_FENCE_OWNER_VM, - &fence); + r = amdgpu_job_submit(job, ring, AMDGPU_FENCE_OWNER_VM, &fence); if (r) goto error_free; @@ -506,18 +483,15 @@ int amdgpu_vm_update_page_directory(struct amdgpu_device *adev, fence_put(vm->page_directory_fence); vm->page_directory_fence = fence_get(fence); fence_put(fence); - } - if (ib->length_dw == 0) { - amdgpu_ib_free(adev, ib); - kfree(ib); + } else { + amdgpu_job_free(job); } return 0; error_free: - amdgpu_ib_free(adev, ib); - kfree(ib); + amdgpu_job_free(job); return r; } @@ -695,6 +669,7 @@ static int amdgpu_vm_bo_update_mapping(struct amdgpu_device *adev, struct amdgpu_ring *ring = adev->vm_manager.vm_pte_funcs_ring; void *owner = AMDGPU_FENCE_OWNER_VM; unsigned nptes, ncmds, ndw; + struct amdgpu_job *job; struct amdgpu_ib *ib; struct fence *f = NULL; int r; @@ -733,15 +708,11 @@ static int amdgpu_vm_bo_update_mapping(struct amdgpu_device *adev, ndw += 2 * 10; } - ib = kzalloc(sizeof(struct amdgpu_ib), GFP_KERNEL); - if (!ib) - return -ENOMEM; - - r = amdgpu_ib_get(adev, NULL, ndw * 4, ib); - if (r) { - kfree(ib); + r = amdgpu_job_alloc_with_ib(adev, ndw * 4, &job); + if (r) return r; - } + + ib = &job->ibs[0]; r = amdgpu_sync_resv(adev, &ib->sync, vm->page_directory->tbo.resv, owner); @@ -757,10 +728,7 @@ static int amdgpu_vm_bo_update_mapping(struct amdgpu_device *adev, amdgpu_ring_pad_ib(ring, ib); WARN_ON(ib->length_dw > ndw); - r = amdgpu_sched_ib_submit_kernel_helper(adev, ring, ib, 1, - &amdgpu_vm_free_job, - AMDGPU_FENCE_OWNER_VM, - &f); + r = amdgpu_job_submit(job, ring, AMDGPU_FENCE_OWNER_VM, &f); if (r) goto error_free; @@ -773,8 +741,7 @@ static int amdgpu_vm_bo_update_mapping(struct amdgpu_device *adev, return 0; error_free: - amdgpu_ib_free(adev, ib); - kfree(ib); + amdgpu_job_free(job); return r; } -- 2.30.2