src/gallium/drivers/radeonsi/radeonsi_pm4.c

   1 /*
   2  * Copyright 2012 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  * on the rights to use, copy, modify, merge, publish, distribute, sub
   8  * license, and/or sell copies of the Software, and to permit persons to whom
   9  * the Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  18  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  21  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  22  *
  23  * Authors:
  24  *      Christian König <christian.koenig@amd.com>
  25  */
  26
  27 #include "util/u_memory.h"
  28 #include "radeonsi_pipe.h"
  29 #include "radeonsi_pm4.h"
  30 #include "sid.h"
  31 #include "r600_hw_context_priv.h"
  32
  33 #define NUMBER_OF_STATES (sizeof(union si_state) / sizeof(struct si_pm4_state *))
  34
  35 void si_pm4_cmd_begin(struct si_pm4_state *state, unsigned opcode)
  36 {
  37         state->last_opcode = opcode;
  38         state->last_pm4 = state->ndw++;
  39 }
  40
  41 void si_pm4_cmd_add(struct si_pm4_state *state, uint32_t dw)
  42 {
  43         state->pm4[state->ndw++] = dw;
  44 }
  45
  46 void si_pm4_cmd_end(struct si_pm4_state *state, bool predicate)
  47 {
  48         unsigned count;
  49         count = state->ndw - state->last_pm4 - 2;
  50         state->pm4[state->last_pm4] = PKT3(state->last_opcode,
  51                                            count, predicate);
  52
  53         assert(state->ndw <= SI_PM4_MAX_DW);
  54 }
  55
  56 void si_pm4_set_reg(struct si_pm4_state *state, unsigned reg, uint32_t val)
  57 {
  58         unsigned opcode;
  59
  60         if (reg >= SI_CONFIG_REG_OFFSET && reg <= SI_CONFIG_REG_END) {
  61                 opcode = PKT3_SET_CONFIG_REG;
  62                 reg -= SI_CONFIG_REG_OFFSET;
  63
  64         } else if (reg >= SI_SH_REG_OFFSET && reg <= SI_SH_REG_END) {
  65                 opcode = PKT3_SET_SH_REG;
  66                 reg -= SI_SH_REG_OFFSET;
  67
  68         } else if (reg >= SI_CONTEXT_REG_OFFSET && reg <= SI_CONTEXT_REG_END) {
  69                 opcode = PKT3_SET_CONTEXT_REG;
  70                 reg -= SI_CONTEXT_REG_OFFSET;
  71         } else {
  72                 R600_ERR("Invalid register offset %08x!\n", reg);
  73                 return;
  74         }
  75
  76         reg >>= 2;
  77
  78         if (opcode != state->last_opcode || reg != (state->last_reg + 1)) {
  79                 si_pm4_cmd_begin(state, opcode);
  80                 si_pm4_cmd_add(state, reg);
  81         }
  82
  83         state->last_reg = reg;
  84         si_pm4_cmd_add(state, val);
  85         si_pm4_cmd_end(state, false);
  86 }
  87
  88 void si_pm4_add_bo(struct si_pm4_state *state,
  89                    struct si_resource *bo,
  90                    enum radeon_bo_usage usage)
  91 {
  92         unsigned idx = state->nbo++;
  93         assert(idx < SI_PM4_MAX_BO);
  94
  95         si_resource_reference(&state->bo[idx], bo);
  96         state->bo_usage[idx] = usage;
  97 }
  98
  99 void si_pm4_sh_data_begin(struct si_pm4_state *state)
 100 {
 101         si_pm4_cmd_begin(state, PKT3_NOP);
 102 }
 103
 104 void si_pm4_sh_data_add(struct si_pm4_state *state, uint32_t dw)
 105 {
 106         si_pm4_cmd_add(state, dw);
 107 }
 108
 109 void si_pm4_sh_data_end(struct si_pm4_state *state, unsigned reg)
 110 {
 111         unsigned offs = state->last_pm4 + 1;
 112
 113         /* Bail if no data was added */
 114         if (state->ndw == offs) {
 115                 state->ndw--;
 116                 return;
 117         }
 118
 119         si_pm4_cmd_end(state, false);
 120
 121         si_pm4_cmd_begin(state, PKT3_SET_SH_REG_OFFSET);
 122         si_pm4_cmd_add(state, (reg - SI_SH_REG_OFFSET) >> 2);
 123         state->relocs[state->nrelocs++] = state->ndw;
 124         si_pm4_cmd_add(state, offs << 2);
 125         si_pm4_cmd_add(state, 0);
 126         si_pm4_cmd_end(state, false);
 127 }
 128
 129 void si_pm4_inval_shader_cache(struct si_pm4_state *state)
 130 {
 131         state->cp_coher_cntl |= S_0085F0_SH_ICACHE_ACTION_ENA(1);
 132         state->cp_coher_cntl |= S_0085F0_SH_KCACHE_ACTION_ENA(1);
 133 }
 134
 135 void si_pm4_inval_texture_cache(struct si_pm4_state *state)
 136 {
 137         state->cp_coher_cntl |= S_0085F0_TC_ACTION_ENA(1);
 138 }
 139
 140 void si_pm4_inval_vertex_cache(struct si_pm4_state *state)
 141 {
 142         /* Some GPUs don't have the vertex cache and must use the texture cache instead. */
 143         state->cp_coher_cntl |= S_0085F0_TC_ACTION_ENA(1);
 144 }
 145
 146 void si_pm4_inval_fb_cache(struct si_pm4_state *state, unsigned nr_cbufs)
 147 {
 148         state->cp_coher_cntl |= S_0085F0_CB_ACTION_ENA(1);
 149         state->cp_coher_cntl |= ((1 << nr_cbufs) - 1) << S_0085F0_CB0_DEST_BASE_ENA_SHIFT;
 150 }
 151
 152 void si_pm4_inval_zsbuf_cache(struct si_pm4_state *state)
 153 {
 154         state->cp_coher_cntl |= S_0085F0_DB_ACTION_ENA(1) | S_0085F0_DB_DEST_BASE_ENA(1);
 155 }
 156
 157 void si_pm4_free_state(struct r600_context *rctx,
 158                        struct si_pm4_state *state,
 159                        unsigned idx)
 160 {
 161         if (state == NULL)
 162                 return;
 163
 164         if (idx != ~0 && rctx->emitted.array[idx] == state) {
 165                 rctx->emitted.array[idx] = NULL;
 166         }
 167
 168         for (int i = 0; i < state->nbo; ++i) {
 169                 si_resource_reference(&state->bo[i], NULL);
 170         }
 171         FREE(state);
 172 }
 173
 174 uint32_t si_pm4_sync_flags(struct r600_context *rctx)
 175 {
 176         uint32_t cp_coher_cntl = 0;
 177
 178         for (int i = 0; i < NUMBER_OF_STATES; ++i) {
 179                 struct si_pm4_state *state = rctx->queued.array[i];
 180
 181                 if (!state || rctx->emitted.array[i] == state)
 182                         continue;
 183
 184                 cp_coher_cntl |= state->cp_coher_cntl;
 185         }
 186         return cp_coher_cntl;
 187 }
 188
 189 unsigned si_pm4_dirty_dw(struct r600_context *rctx)
 190 {
 191         unsigned count = 0;
 192
 193         for (int i = 0; i < NUMBER_OF_STATES; ++i) {
 194                 struct si_pm4_state *state = rctx->queued.array[i];
 195
 196                 if (!state || rctx->emitted.array[i] == state)
 197                         continue;
 198
 199                 count += state->ndw;
 200         }
 201
 202         return count;
 203 }
 204
 205 void si_pm4_emit(struct r600_context *rctx, struct si_pm4_state *state)
 206 {
 207         struct radeon_winsys_cs *cs = rctx->cs;
 208         for (int i = 0; i < state->nbo; ++i) {
 209                 r600_context_bo_reloc(rctx, state->bo[i],
 210                                       state->bo_usage[i]);
 211         }
 212
 213         memcpy(&cs->buf[cs->cdw], state->pm4, state->ndw * 4);
 214
 215         for (int i = 0; i < state->nrelocs; ++i) {
 216                 cs->buf[cs->cdw + state->relocs[i]] += cs->cdw << 2;
 217         }
 218
 219         cs->cdw += state->ndw;
 220 }
 221
 222 void si_pm4_emit_dirty(struct r600_context *rctx)
 223 {
 224         for (int i = 0; i < NUMBER_OF_STATES; ++i) {
 225                 struct si_pm4_state *state = rctx->queued.array[i];
 226
 227                 if (!state || rctx->emitted.array[i] == state)
 228                         continue;
 229
 230                 si_pm4_emit(rctx, state);
 231                 rctx->emitted.array[i] = state;
 232         }
 233 }
 234
 235 void si_pm4_reset_emitted(struct r600_context *rctx)
 236 {
 237         memset(&rctx->emitted, 0, sizeof(rctx->emitted));
 238 }