1 /* 2 * Copyright 2016 Advanced Micro Devices, Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 * Authors: AMD 23 * 24 */ 25 26 #include "dm_services.h" 27 #include "dm_helpers.h" 28 #include "core_types.h" 29 #include "resource.h" 30 #include "dce/dce_hwseq.h" 31 #include "vmid.h" 32 #include "reg_helper.h" 33 #include "hw/clk_mgr.h" 34 35 36 #define DC_LOGGER_INIT(logger) 37 38 #define CTX \ 39 hws->ctx 40 #define REG(reg)\ 41 hws->regs->reg 42 43 #undef FN 44 #define FN(reg_name, field_name) \ 45 hws->shifts->field_name, hws->masks->field_name 46 47 /* Temporary read settings, future will get values from kmd directly */ 48 static void mmhub_update_page_table_config(struct dcn_hubbub_phys_addr_config *config, 49 struct dce_hwseq *hws) 50 { 51 uint32_t page_table_base_hi; 52 uint32_t page_table_base_lo; 53 54 REG_GET(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32, 55 PAGE_DIRECTORY_ENTRY_HI32, &page_table_base_hi); 56 REG_GET(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32, 57 PAGE_DIRECTORY_ENTRY_LO32, &page_table_base_lo); 58 59 config->gart_config.page_table_base_addr = ((uint64_t)page_table_base_hi << 32) | page_table_base_lo; 60 61 } 62 63 int dcn21_init_sys_ctx(struct dce_hwseq *hws, struct dc *dc, struct dc_phy_addr_space_config *pa_config) 64 { 65 struct dcn_hubbub_phys_addr_config config; 66 67 config.system_aperture.fb_top = pa_config->system_aperture.fb_top; 68 config.system_aperture.fb_offset = pa_config->system_aperture.fb_offset; 69 config.system_aperture.fb_base = pa_config->system_aperture.fb_base; 70 config.system_aperture.agp_top = pa_config->system_aperture.agp_top; 71 config.system_aperture.agp_bot = pa_config->system_aperture.agp_bot; 72 config.system_aperture.agp_base = pa_config->system_aperture.agp_base; 73 config.gart_config.page_table_start_addr = pa_config->gart_config.page_table_start_addr; 74 config.gart_config.page_table_end_addr = pa_config->gart_config.page_table_end_addr; 75 config.gart_config.page_table_base_addr = pa_config->gart_config.page_table_base_addr; 76 77 mmhub_update_page_table_config(&config, hws); 78 79 return dc->res_pool->hubbub->funcs->init_dchub_sys_ctx(dc->res_pool->hubbub, &config); 80 } 81 82 // work around for Renoir s0i3, if register is programmed, bypass golden init. 83 84 bool dcn21_s0i3_golden_init_wa(struct dc *dc) 85 { 86 struct dce_hwseq *hws = dc->hwseq; 87 uint32_t value = 0; 88 89 value = REG_READ(MICROSECOND_TIME_BASE_DIV); 90 91 return value != 0x00120464; 92 } 93 94 void dcn21_exit_optimized_pwr_state( 95 const struct dc *dc, 96 struct dc_state *context) 97 { 98 dc->clk_mgr->funcs->update_clocks( 99 dc->clk_mgr, 100 context, 101 false); 102 } 103 104 void dcn21_optimize_pwr_state( 105 const struct dc *dc, 106 struct dc_state *context) 107 { 108 dc->clk_mgr->funcs->update_clocks( 109 dc->clk_mgr, 110 context, 111 true); 112 } 113 114