1 /* 2 * Copyright 2012-20 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 "dce_calcs.h" 28 #include "reg_helper.h" 29 #include "basics/conversion.h" 30 #include "dcn32_hubp.h" 31 32 #define REG(reg)\ 33 hubp2->hubp_regs->reg 34 35 #define CTX \ 36 hubp2->base.ctx 37 38 #undef FN 39 #define FN(reg_name, field_name) \ 40 hubp2->hubp_shift->field_name, hubp2->hubp_mask->field_name 41 42 void hubp32_update_force_pstate_disallow(struct hubp *hubp, bool pstate_disallow) 43 { 44 struct dcn20_hubp *hubp2 = TO_DCN20_HUBP(hubp); 45 REG_UPDATE_2(UCLK_PSTATE_FORCE, 46 DATA_UCLK_PSTATE_FORCE_EN, pstate_disallow, 47 DATA_UCLK_PSTATE_FORCE_VALUE, 0); 48 } 49 50 void hubp32_update_mall_sel(struct hubp *hubp, uint32_t mall_sel, bool c_cursor) 51 { 52 struct dcn20_hubp *hubp2 = TO_DCN20_HUBP(hubp); 53 54 // Also cache cursor in MALL if using MALL for SS 55 REG_UPDATE_2(DCHUBP_MALL_CONFIG, USE_MALL_SEL, mall_sel, 56 USE_MALL_FOR_CURSOR, c_cursor); 57 } 58 59 void hubp32_prepare_subvp_buffering(struct hubp *hubp, bool enable) 60 { 61 struct dcn20_hubp *hubp2 = TO_DCN20_HUBP(hubp); 62 REG_UPDATE(DCHUBP_VMPG_CONFIG, FORCE_ONE_ROW_FOR_FRAME, enable); 63 64 /* Programming guide suggests CURSOR_REQ_MODE = 1 for SubVP: 65 * For Pstate change using the MALL with sub-viewport buffering, 66 * the cursor does not use the MALL (USE_MALL_FOR_CURSOR is ignored) 67 * and sub-viewport positioning by Display FW has to avoid the cursor 68 * requests to DRAM (set CURSOR_REQ_MODE = 1 to minimize this exclusion). 69 * 70 * CURSOR_REQ_MODE = 1 begins fetching cursor data at the beginning of display prefetch. 71 * Setting this should allow the sub-viewport position to always avoid the cursor because 72 * we do not allow the sub-viewport region to overlap with display prefetch (i.e. during blank). 73 */ 74 REG_UPDATE(CURSOR_CONTROL, CURSOR_REQ_MODE, enable); 75 } 76 77 void hubp32_phantom_hubp_post_enable(struct hubp *hubp) 78 { 79 uint32_t reg_val; 80 struct dcn20_hubp *hubp2 = TO_DCN20_HUBP(hubp); 81 82 REG_UPDATE(DCHUBP_CNTL, HUBP_BLANK_EN, 1); 83 reg_val = REG_READ(DCHUBP_CNTL); 84 if (reg_val) { 85 /* init sequence workaround: in case HUBP is 86 * power gated, this wait would timeout. 87 * 88 * we just wrote reg_val to non-0, if it stay 0 89 * it means HUBP is gated 90 */ 91 REG_WAIT(DCHUBP_CNTL, 92 HUBP_NO_OUTSTANDING_REQ, 1, 93 1, 200); 94 } 95 } 96 97 void hubp32_cursor_set_attributes( 98 struct hubp *hubp, 99 const struct dc_cursor_attributes *attr) 100 { 101 struct dcn20_hubp *hubp2 = TO_DCN20_HUBP(hubp); 102 enum cursor_pitch hw_pitch = hubp1_get_cursor_pitch(attr->pitch); 103 enum cursor_lines_per_chunk lpc = hubp2_get_lines_per_chunk( 104 attr->width, attr->color_format); 105 106 //Round cursor width up to next multiple of 64 107 uint32_t cursor_width = ((attr->width + 63) / 64) * 64; 108 uint32_t cursor_height = attr->height; 109 uint32_t cursor_size = cursor_width * cursor_height; 110 111 hubp->curs_attr = *attr; 112 113 REG_UPDATE(CURSOR_SURFACE_ADDRESS_HIGH, 114 CURSOR_SURFACE_ADDRESS_HIGH, attr->address.high_part); 115 REG_UPDATE(CURSOR_SURFACE_ADDRESS, 116 CURSOR_SURFACE_ADDRESS, attr->address.low_part); 117 118 REG_UPDATE_2(CURSOR_SIZE, 119 CURSOR_WIDTH, attr->width, 120 CURSOR_HEIGHT, attr->height); 121 122 REG_UPDATE_4(CURSOR_CONTROL, 123 CURSOR_MODE, attr->color_format, 124 CURSOR_2X_MAGNIFY, attr->attribute_flags.bits.ENABLE_MAGNIFICATION, 125 CURSOR_PITCH, hw_pitch, 126 CURSOR_LINES_PER_CHUNK, lpc); 127 128 REG_SET_2(CURSOR_SETTINGS, 0, 129 /* no shift of the cursor HDL schedule */ 130 CURSOR0_DST_Y_OFFSET, 0, 131 /* used to shift the cursor chunk request deadline */ 132 CURSOR0_CHUNK_HDL_ADJUST, 3); 133 134 switch (attr->color_format) { 135 case CURSOR_MODE_MONO: 136 cursor_size /= 2; 137 break; 138 case CURSOR_MODE_COLOR_1BIT_AND: 139 case CURSOR_MODE_COLOR_PRE_MULTIPLIED_ALPHA: 140 case CURSOR_MODE_COLOR_UN_PRE_MULTIPLIED_ALPHA: 141 cursor_size *= 4; 142 break; 143 144 case CURSOR_MODE_COLOR_64BIT_FP_PRE_MULTIPLIED: 145 case CURSOR_MODE_COLOR_64BIT_FP_UN_PRE_MULTIPLIED: 146 default: 147 cursor_size *= 8; 148 break; 149 } 150 151 if (cursor_size > 16384) 152 REG_UPDATE(DCHUBP_MALL_CONFIG, USE_MALL_FOR_CURSOR, true); 153 else 154 REG_UPDATE(DCHUBP_MALL_CONFIG, USE_MALL_FOR_CURSOR, false); 155 } 156 157 static struct hubp_funcs dcn32_hubp_funcs = { 158 .hubp_enable_tripleBuffer = hubp2_enable_triplebuffer, 159 .hubp_is_triplebuffer_enabled = hubp2_is_triplebuffer_enabled, 160 .hubp_program_surface_flip_and_addr = hubp3_program_surface_flip_and_addr, 161 .hubp_program_surface_config = hubp3_program_surface_config, 162 .hubp_is_flip_pending = hubp2_is_flip_pending, 163 .hubp_setup = hubp3_setup, 164 .hubp_setup_interdependent = hubp2_setup_interdependent, 165 .hubp_set_vm_system_aperture_settings = hubp3_set_vm_system_aperture_settings, 166 .set_blank = hubp2_set_blank, 167 .dcc_control = hubp3_dcc_control, 168 .mem_program_viewport = min_set_viewport, 169 .set_cursor_attributes = hubp32_cursor_set_attributes, 170 .set_cursor_position = hubp2_cursor_set_position, 171 .hubp_clk_cntl = hubp2_clk_cntl, 172 .hubp_vtg_sel = hubp2_vtg_sel, 173 .dmdata_set_attributes = hubp3_dmdata_set_attributes, 174 .dmdata_load = hubp2_dmdata_load, 175 .dmdata_status_done = hubp2_dmdata_status_done, 176 .hubp_read_state = hubp3_read_state, 177 .hubp_clear_underflow = hubp2_clear_underflow, 178 .hubp_set_flip_control_surface_gsl = hubp2_set_flip_control_surface_gsl, 179 .hubp_init = hubp3_init, 180 .set_unbounded_requesting = hubp31_set_unbounded_requesting, 181 .hubp_soft_reset = hubp31_soft_reset, 182 .hubp_in_blank = hubp1_in_blank, 183 .hubp_update_force_pstate_disallow = hubp32_update_force_pstate_disallow, 184 .phantom_hubp_post_enable = hubp32_phantom_hubp_post_enable, 185 .hubp_update_mall_sel = hubp32_update_mall_sel, 186 .hubp_prepare_subvp_buffering = hubp32_prepare_subvp_buffering, 187 .hubp_set_flip_int = hubp1_set_flip_int 188 }; 189 190 bool hubp32_construct( 191 struct dcn20_hubp *hubp2, 192 struct dc_context *ctx, 193 uint32_t inst, 194 const struct dcn_hubp2_registers *hubp_regs, 195 const struct dcn_hubp2_shift *hubp_shift, 196 const struct dcn_hubp2_mask *hubp_mask) 197 { 198 hubp2->base.funcs = &dcn32_hubp_funcs; 199 hubp2->base.ctx = ctx; 200 hubp2->hubp_regs = hubp_regs; 201 hubp2->hubp_shift = hubp_shift; 202 hubp2->hubp_mask = hubp_mask; 203 hubp2->base.inst = inst; 204 hubp2->base.opp_id = OPP_ID_INVALID; 205 hubp2->base.mpcc_id = 0xf; 206 207 return true; 208 } 209