| /* |
| * Copyright © 2019 Raspberry Pi |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
| * IN THE SOFTWARE. |
| */ |
| |
| #include "v3dv_private.h" |
| #include "broadcom/cle/v3dx_pack.h" |
| |
| void |
| v3dv_cl_init(struct v3dv_job *job, struct v3dv_cl *cl) |
| { |
| cl->base = NULL; |
| cl->next = cl->base; |
| cl->bo = NULL; |
| cl->size = 0; |
| cl->job = job; |
| list_inithead(&cl->bo_list); |
| } |
| |
| void |
| v3dv_cl_destroy(struct v3dv_cl *cl) |
| { |
| list_for_each_entry_safe(struct v3dv_bo, bo, &cl->bo_list, list_link) { |
| assert(cl->job); |
| list_del(&bo->list_link); |
| v3dv_bo_free(cl->job->device, bo); |
| } |
| |
| /* Leave the CL in a reset state to catch use after destroy instances */ |
| v3dv_cl_init(NULL, cl); |
| } |
| |
| static bool |
| cl_alloc_bo(struct v3dv_cl *cl, uint32_t space, bool use_branch) |
| { |
| struct v3dv_bo *bo = v3dv_bo_alloc(cl->job->device, space, "CL", true); |
| if (!bo) { |
| fprintf(stderr, "failed to allocate memory for command list\n"); |
| v3dv_flag_oom(NULL, cl->job); |
| return false; |
| } |
| |
| list_addtail(&bo->list_link, &cl->bo_list); |
| |
| bool ok = v3dv_bo_map(cl->job->device, bo, bo->size); |
| if (!ok) { |
| fprintf(stderr, "failed to map command list buffer\n"); |
| v3dv_flag_oom(NULL, cl->job); |
| return false; |
| } |
| |
| /* Chain to the new BO from the old one if requested */ |
| if (use_branch && cl->bo) { |
| cl_emit(cl, BRANCH, branch) { |
| branch.address = v3dv_cl_address(bo, 0); |
| } |
| } |
| |
| v3dv_job_add_bo(cl->job, bo); |
| |
| cl->bo = bo; |
| cl->base = cl->bo->map; |
| cl->size = cl->bo->size; |
| cl->next = cl->base; |
| |
| return true; |
| } |
| |
| uint32_t |
| v3dv_cl_ensure_space(struct v3dv_cl *cl, uint32_t space, uint32_t alignment) |
| { |
| uint32_t offset = align(v3dv_cl_offset(cl), alignment); |
| |
| if (offset + space <= cl->size) { |
| cl->next = cl->base + offset; |
| return offset; |
| } |
| |
| cl_alloc_bo(cl, space, false); |
| return 0; |
| } |
| |
| void |
| v3dv_cl_ensure_space_with_branch(struct v3dv_cl *cl, uint32_t space) |
| { |
| if (v3dv_cl_offset(cl) + space + cl_packet_length(BRANCH) <= cl->size) |
| return; |
| |
| cl_alloc_bo(cl, space, true); |
| } |