Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Wyatt Wood | 997 | 99.90% | 5 | 83.33% |
Dan Carpenter | 1 | 0.10% | 1 | 16.67% |
Total | 998 | 6 |
/* * Copyright 2019 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 "dmub_psr.h" #include "dc.h" #include "dc_dmub_srv.h" #include "../../dmub/inc/dmub_srv.h" #include "../../dmub/inc/dmub_gpint_cmd.h" #include "core_types.h" #define MAX_PIPES 6 /** * Get PSR state from firmware. */ static void dmub_psr_get_state(struct dmub_psr *dmub, uint32_t *psr_state) { struct dmub_srv *srv = dmub->ctx->dmub_srv->dmub; // Send gpint command and wait for ack dmub_srv_send_gpint_command(srv, DMUB_GPINT__GET_PSR_STATE, 0, 30); dmub_srv_get_gpint_response(srv, psr_state); } /** * Set PSR version. */ static bool dmub_psr_set_version(struct dmub_psr *dmub, struct dc_stream_state *stream) { union dmub_rb_cmd cmd; struct dc_context *dc = dmub->ctx; cmd.psr_set_version.header.type = DMUB_CMD__PSR; cmd.psr_set_version.header.sub_type = DMUB_CMD__PSR_SET_VERSION; if (stream->psr_version == 0x0) // Unsupported return false; else if (stream->psr_version == 0x1) cmd.psr_set_version.psr_set_version_data.version = PSR_VERSION_1; else if (stream->psr_version == 0x2) cmd.psr_set_version.psr_set_version_data.version = PSR_VERSION_2; cmd.psr_enable.header.payload_bytes = sizeof(struct dmub_cmd_psr_set_version_data); dc_dmub_srv_cmd_queue(dc->dmub_srv, &cmd.psr_enable.header); dc_dmub_srv_cmd_execute(dc->dmub_srv); dc_dmub_srv_wait_idle(dc->dmub_srv); return true; } /** * Enable/Disable PSR. */ static void dmub_psr_enable(struct dmub_psr *dmub, bool enable) { union dmub_rb_cmd cmd; struct dc_context *dc = dmub->ctx; cmd.psr_enable.header.type = DMUB_CMD__PSR; if (enable) cmd.psr_enable.header.sub_type = DMUB_CMD__PSR_ENABLE; else cmd.psr_enable.header.sub_type = DMUB_CMD__PSR_DISABLE; cmd.psr_enable.header.payload_bytes = 0; // Send header only dc_dmub_srv_cmd_queue(dc->dmub_srv, &cmd.psr_enable.header); dc_dmub_srv_cmd_execute(dc->dmub_srv); dc_dmub_srv_wait_idle(dc->dmub_srv); } /** * Set PSR level. */ static void dmub_psr_set_level(struct dmub_psr *dmub, uint16_t psr_level) { union dmub_rb_cmd cmd; uint32_t psr_state = 0; struct dc_context *dc = dmub->ctx; dmub_psr_get_state(dmub, &psr_state); if (psr_state == 0) return; cmd.psr_set_level.header.type = DMUB_CMD__PSR; cmd.psr_set_level.header.sub_type = DMUB_CMD__PSR_SET_LEVEL; cmd.psr_set_level.header.payload_bytes = sizeof(struct dmub_cmd_psr_set_level_data); cmd.psr_set_level.psr_set_level_data.psr_level = psr_level; dc_dmub_srv_cmd_queue(dc->dmub_srv, &cmd.psr_set_level.header); dc_dmub_srv_cmd_execute(dc->dmub_srv); dc_dmub_srv_wait_idle(dc->dmub_srv); } /** * Setup PSR by programming phy registers and sending psr hw context values to firmware. */ static bool dmub_psr_copy_settings(struct dmub_psr *dmub, struct dc_link *link, struct psr_context *psr_context) { union dmub_rb_cmd cmd; struct dc_context *dc = dmub->ctx; struct dmub_cmd_psr_copy_settings_data *copy_settings_data = &cmd.psr_copy_settings.psr_copy_settings_data; struct pipe_ctx *pipe_ctx = NULL; struct resource_context *res_ctx = &link->ctx->dc->current_state->res_ctx; int i = 0; for (i = 0; i < MAX_PIPES; i++) { if (res_ctx->pipe_ctx[i].stream && res_ctx->pipe_ctx[i].stream->link == link && res_ctx->pipe_ctx[i].stream->link->connector_signal == SIGNAL_TYPE_EDP) { pipe_ctx = &res_ctx->pipe_ctx[i]; break; } } if (!pipe_ctx) return false; // First, set the psr version if (!dmub_psr_set_version(dmub, pipe_ctx->stream)) return false; // Program DP DPHY fast training registers link->link_enc->funcs->psr_program_dp_dphy_fast_training(link->link_enc, psr_context->psrExitLinkTrainingRequired); // Program DP_SEC_CNTL1 register to set transmission GPS0 line num and priority to high link->link_enc->funcs->psr_program_secondary_packet(link->link_enc, psr_context->sdpTransmitLineNumDeadline); cmd.psr_copy_settings.header.type = DMUB_CMD__PSR; cmd.psr_copy_settings.header.sub_type = DMUB_CMD__PSR_COPY_SETTINGS; cmd.psr_copy_settings.header.payload_bytes = sizeof(struct dmub_cmd_psr_copy_settings_data); // Hw insts copy_settings_data->dpphy_inst = psr_context->phyType; copy_settings_data->aux_inst = psr_context->channel; copy_settings_data->digfe_inst = psr_context->engineId; copy_settings_data->digbe_inst = psr_context->transmitterId; copy_settings_data->mpcc_inst = pipe_ctx->plane_res.mpcc_inst; if (pipe_ctx->plane_res.dpp) copy_settings_data->dpp_inst = pipe_ctx->plane_res.dpp->inst; else copy_settings_data->dpp_inst = 0; if (pipe_ctx->stream_res.opp) copy_settings_data->opp_inst = pipe_ctx->stream_res.opp->inst; else copy_settings_data->opp_inst = 0; if (pipe_ctx->stream_res.tg) copy_settings_data->otg_inst = pipe_ctx->stream_res.tg->inst; else copy_settings_data->otg_inst = 0; // Misc copy_settings_data->psr_level = psr_context->psr_level.u32all; copy_settings_data->smu_optimizations_en = psr_context->allow_smu_optimizations; copy_settings_data->frame_delay = psr_context->frame_delay; copy_settings_data->frame_cap_ind = psr_context->psrFrameCaptureIndicationReq; dc_dmub_srv_cmd_queue(dc->dmub_srv, &cmd.psr_copy_settings.header); dc_dmub_srv_cmd_execute(dc->dmub_srv); dc_dmub_srv_wait_idle(dc->dmub_srv); return true; } static const struct dmub_psr_funcs psr_funcs = { .psr_copy_settings = dmub_psr_copy_settings, .psr_enable = dmub_psr_enable, .psr_get_state = dmub_psr_get_state, .psr_set_level = dmub_psr_set_level, }; /** * Construct PSR object. */ static void dmub_psr_construct(struct dmub_psr *psr, struct dc_context *ctx) { psr->ctx = ctx; psr->funcs = &psr_funcs; } /** * Allocate and initialize PSR object. */ struct dmub_psr *dmub_psr_create(struct dc_context *ctx) { struct dmub_psr *psr = kzalloc(sizeof(struct dmub_psr), GFP_KERNEL); if (psr == NULL) { BREAK_TO_DEBUGGER(); return NULL; } dmub_psr_construct(psr, ctx); return psr; } /** * Deallocate PSR object. */ void dmub_psr_destroy(struct dmub_psr **dmub) { kfree(*dmub); *dmub = NULL; }
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