| /* |
| * Copyright 2022 Advanced Micro Devices, Inc. |
| * |
| * 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 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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. |
| * |
| * Authors: AMD |
| * |
| */ |
| #include "link_hwss_dpia.h" |
| #include "core_types.h" |
| #include "link_hwss_dio.h" |
| #include "link_enc_cfg.h" |
| |
| #define DC_LOGGER_INIT(logger) |
| |
| static void update_dpia_stream_allocation_table(struct dc_link *link, |
| const struct link_resource *link_res, |
| const struct link_mst_stream_allocation_table *table) |
| { |
| struct link_encoder *link_enc = link_enc_cfg_get_link_enc(link); |
| static enum dc_status status; |
| uint8_t mst_alloc_slots = 0, prev_mst_slots_in_use = 0xFF; |
| int i; |
| DC_LOGGER_INIT(link->ctx->logger); |
| |
| for (i = 0; i < table->stream_count; i++) |
| mst_alloc_slots += table->stream_allocations[i].slot_count; |
| |
| status = dc_process_dmub_set_mst_slots(link->dc, link->link_index, |
| mst_alloc_slots, &prev_mst_slots_in_use); |
| ASSERT(status == DC_OK); |
| DC_LOG_MST("dpia : status[%d]: alloc_slots[%d]: used_slots[%d]\n", |
| status, mst_alloc_slots, prev_mst_slots_in_use); |
| |
| ASSERT(link_enc); |
| link_enc->funcs->update_mst_stream_allocation_table(link_enc, table); |
| } |
| |
| static const struct link_hwss dpia_link_hwss = { |
| .setup_stream_encoder = setup_dio_stream_encoder, |
| .reset_stream_encoder = reset_dio_stream_encoder, |
| .setup_stream_attribute = setup_dio_stream_attribute, |
| .ext = { |
| .set_throttled_vcp_size = set_dio_throttled_vcp_size, |
| .enable_dp_link_output = enable_dio_dp_link_output, |
| .disable_dp_link_output = disable_dio_dp_link_output, |
| .set_dp_link_test_pattern = set_dio_dp_link_test_pattern, |
| .set_dp_lane_settings = set_dio_dp_lane_settings, |
| .update_stream_allocation_table = update_dpia_stream_allocation_table, |
| }, |
| }; |
| |
| bool can_use_dpia_link_hwss(const struct dc_link *link, |
| const struct link_resource *link_res) |
| { |
| return link->is_dig_mapping_flexible && |
| link->dc->res_pool->funcs->link_encs_assign; |
| } |
| |
| const struct link_hwss *get_dpia_link_hwss(void) |
| { |
| return &dpia_link_hwss; |
| } |