diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_dpia.c')
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_dpia.c | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_dpia.c b/drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_dpia.c new file mode 100644 index 0000000000..861f3cd5b3 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_dpia.c @@ -0,0 +1,82 @@ +/* + * 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, + .disable_link_output = disable_dio_link_output, + .setup_audio_output = setup_dio_audio_output, + .enable_audio_packet = enable_dio_audio_packet, + .disable_audio_packet = disable_dio_audio_packet, + .ext = { + .set_throttled_vcp_size = set_dio_throttled_vcp_size, + .enable_dp_link_output = enable_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; +} |