From: Christian König Date: Fri, 6 May 2016 20:14:00 +0000 (+0200) Subject: drm/amdgpu: fix and cleanup user fence handling v2 X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=758ac17f963f3497aae4e767d3a9eb68fea71f71;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git drm/amdgpu: fix and cleanup user fence handling v2 We leaked the BO in the error pass, additional to that we only have one user fence for all IBs in a job. v2: remove white space changes Signed-off-by: Christian König Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index d4c1eb7816f0..2a009c398dcb 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -368,13 +368,6 @@ struct amdgpu_fence_driver { #define AMDGPU_FENCE_FLAG_64BIT (1 << 0) #define AMDGPU_FENCE_FLAG_INT (1 << 1) -struct amdgpu_user_fence { - /* write-back bo */ - struct amdgpu_bo *bo; - /* write-back address offset to bo start */ - uint32_t offset; -}; - int amdgpu_fence_driver_init(struct amdgpu_device *adev); void amdgpu_fence_driver_fini(struct amdgpu_device *adev); void amdgpu_fence_driver_force_completion(struct amdgpu_device *adev); @@ -741,10 +734,7 @@ struct amdgpu_ib { uint32_t length_dw; uint64_t gpu_addr; uint32_t *ptr; - struct amdgpu_user_fence *user; uint32_t flags; - /* resulting sequence number */ - uint64_t sequence; }; enum amdgpu_ring_type { @@ -1219,7 +1209,7 @@ void amdgpu_ring_fini(struct amdgpu_ring *ring); struct amdgpu_cs_chunk { uint32_t chunk_id; uint32_t length_dw; - uint32_t *kdata; + void *kdata; }; struct amdgpu_cs_parser { @@ -1263,7 +1253,12 @@ struct amdgpu_job { uint32_t gds_base, gds_size; uint32_t gws_base, gws_size; uint32_t oa_base, oa_size; - struct amdgpu_user_fence uf; + + /* user fence handling */ + struct amdgpu_bo *uf_bo; + uint32_t uf_offset; + uint64_t uf_sequence; + }; #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 9ab2f0886a14..2bbeeb07c187 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c @@ -87,33 +87,30 @@ int amdgpu_cs_get_ring(struct amdgpu_device *adev, u32 ip_type, } static int amdgpu_cs_user_fence_chunk(struct amdgpu_cs_parser *p, - struct amdgpu_user_fence *uf, - struct drm_amdgpu_cs_chunk_fence *fence_data) + struct drm_amdgpu_cs_chunk_fence *data, + uint32_t *offset) { struct drm_gem_object *gobj; - uint32_t handle; - handle = fence_data->handle; gobj = drm_gem_object_lookup(p->adev->ddev, p->filp, - fence_data->handle); + data->handle); if (gobj == NULL) return -EINVAL; - uf->bo = amdgpu_bo_ref(gem_to_amdgpu_bo(gobj)); - uf->offset = fence_data->offset; - - if (amdgpu_ttm_tt_get_usermm(uf->bo->tbo.ttm)) { - drm_gem_object_unreference_unlocked(gobj); - return -EINVAL; - } - - p->uf_entry.robj = amdgpu_bo_ref(uf->bo); + p->uf_entry.robj = amdgpu_bo_ref(gem_to_amdgpu_bo(gobj)); p->uf_entry.priority = 0; p->uf_entry.tv.bo = &p->uf_entry.robj->tbo; p->uf_entry.tv.shared = true; p->uf_entry.user_pages = NULL; + *offset = data->offset; drm_gem_object_unreference_unlocked(gobj); + + if (amdgpu_ttm_tt_get_usermm(p->uf_entry.robj->tbo.ttm)) { + amdgpu_bo_unref(&p->uf_entry.robj); + return -EINVAL; + } + return 0; } @@ -124,8 +121,8 @@ int amdgpu_cs_parser_init(struct amdgpu_cs_parser *p, void *data) union drm_amdgpu_cs *cs = data; uint64_t *chunk_array_user; uint64_t *chunk_array; - struct amdgpu_user_fence uf = {}; unsigned size, num_ibs = 0; + uint32_t uf_offset = 0; int i; int ret; @@ -200,7 +197,8 @@ int amdgpu_cs_parser_init(struct amdgpu_cs_parser *p, void *data) goto free_partial_kdata; } - ret = amdgpu_cs_user_fence_chunk(p, &uf, (void *)p->chunks[i].kdata); + ret = amdgpu_cs_user_fence_chunk(p, p->chunks[i].kdata, + &uf_offset); if (ret) goto free_partial_kdata; @@ -219,7 +217,10 @@ int amdgpu_cs_parser_init(struct amdgpu_cs_parser *p, void *data) if (ret) goto free_all_kdata; - p->job->uf = uf; + if (p->uf_entry.robj) { + p->job->uf_bo = amdgpu_bo_ref(p->uf_entry.robj); + p->job->uf_offset = uf_offset; + } kfree(chunk_array); return 0; @@ -377,7 +378,7 @@ static int amdgpu_cs_parser_bos(struct amdgpu_cs_parser *p, INIT_LIST_HEAD(&duplicates); amdgpu_vm_get_pd_bo(&fpriv->vm, &p->validated, &p->vm_pd); - if (p->job->uf.bo) + if (p->uf_entry.robj) list_add(&p->uf_entry.tv.head, &p->validated); if (need_mmap_lock) @@ -760,17 +761,11 @@ static int amdgpu_cs_ib_fill(struct amdgpu_device *adev, j++; } - /* wrap the last IB with user fence */ - if (parser->job->uf.bo) { - struct amdgpu_ib *ib = &parser->job->ibs[parser->job->num_ibs - 1]; - - /* UVD & VCE fw doesn't support user fences */ - if (parser->job->ring->type == AMDGPU_RING_TYPE_UVD || - parser->job->ring->type == AMDGPU_RING_TYPE_VCE) - return -EINVAL; - - ib->user = &parser->job->uf; - } + /* UVD & VCE fw doesn't support user fences */ + if (parser->job->uf_bo && ( + parser->job->ring->type == AMDGPU_RING_TYPE_UVD || + parser->job->ring->type == AMDGPU_RING_TYPE_VCE)) + return -EINVAL; return 0; } @@ -856,7 +851,7 @@ static int amdgpu_cs_submit(struct amdgpu_cs_parser *p, job->ctx = entity->fence_context; p->fence = fence_get(fence); cs->out.handle = amdgpu_ctx_add_fence(p->ctx, ring, fence); - job->ibs[job->num_ibs - 1].sequence = cs->out.handle; + job->uf_sequence = cs->out.handle; trace_amdgpu_cs_ioctl(job); amd_sched_entity_push_job(&job->base); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c index 201aceb01d8a..34e35423b78e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c @@ -203,10 +203,11 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs, } /* wrap the last IB with fence */ - if (ib->user) { - uint64_t addr = amdgpu_bo_gpu_offset(ib->user->bo); - addr += ib->user->offset; - amdgpu_ring_emit_fence(ring, addr, ib->sequence, + if (job && job->uf_bo) { + uint64_t addr = amdgpu_bo_gpu_offset(job->uf_bo); + + addr += job->uf_offset; + amdgpu_ring_emit_fence(ring, addr, job->uf_sequence, AMDGPU_FENCE_FLAG_64BIT); } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c index 8ea68d0cfad6..f0dafa514fe4 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c @@ -97,7 +97,7 @@ void amdgpu_job_free(struct amdgpu_job *job) amdgpu_sa_bo_free(job->adev, &job->ibs[i].sa_bo, f); fence_put(job->fence); - amdgpu_bo_unref(&job->uf.bo); + amdgpu_bo_unref(&job->uf_bo); amdgpu_sync_free(&job->sync); if (!job->base.use_sched)