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      1 /*
      2  * Copyright 2010 Jerome Glisse <glisse (at) freedesktop.org>
      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  *      Jerome Glisse
     25  */
     26 #include "r600_hw_context_priv.h"
     27 #include "r600d.h"
     28 #include "util/u_memory.h"
     29 #include <errno.h>
     30 
     31 /* Get backends mask */
     32 void r600_get_backend_mask(struct r600_context *ctx)
     33 {
     34 	struct radeon_winsys_cs *cs = ctx->cs;
     35 	struct r600_resource *buffer;
     36 	uint32_t *results;
     37 	unsigned num_backends = ctx->screen->info.r600_num_backends;
     38 	unsigned i, mask = 0;
     39 	uint64_t va;
     40 
     41 	/* if backend_map query is supported by the kernel */
     42 	if (ctx->screen->info.r600_backend_map_valid) {
     43 		unsigned num_tile_pipes = ctx->screen->info.r600_num_tile_pipes;
     44 		unsigned backend_map = ctx->screen->info.r600_backend_map;
     45 		unsigned item_width, item_mask;
     46 
     47 		if (ctx->chip_class >= EVERGREEN) {
     48 			item_width = 4;
     49 			item_mask = 0x7;
     50 		} else {
     51 			item_width = 2;
     52 			item_mask = 0x3;
     53 		}
     54 
     55 		while(num_tile_pipes--) {
     56 			i = backend_map & item_mask;
     57 			mask |= (1<<i);
     58 			backend_map >>= item_width;
     59 		}
     60 		if (mask != 0) {
     61 			ctx->backend_mask = mask;
     62 			return;
     63 		}
     64 	}
     65 
     66 	/* otherwise backup path for older kernels */
     67 
     68 	/* create buffer for event data */
     69 	buffer = (struct r600_resource*)
     70 		pipe_buffer_create(&ctx->screen->screen, PIPE_BIND_CUSTOM,
     71 				   PIPE_USAGE_STAGING, ctx->max_db*16);
     72 	if (!buffer)
     73 		goto err;
     74 
     75 	va = r600_resource_va(&ctx->screen->screen, (void*)buffer);
     76 
     77 	/* initialize buffer with zeroes */
     78 	results = ctx->ws->buffer_map(buffer->cs_buf, ctx->cs, PIPE_TRANSFER_WRITE);
     79 	if (results) {
     80 		memset(results, 0, ctx->max_db * 4 * 4);
     81 		ctx->ws->buffer_unmap(buffer->cs_buf);
     82 
     83 		/* emit EVENT_WRITE for ZPASS_DONE */
     84 		cs->buf[cs->cdw++] = PKT3(PKT3_EVENT_WRITE, 2, 0);
     85 		cs->buf[cs->cdw++] = EVENT_TYPE(EVENT_TYPE_ZPASS_DONE) | EVENT_INDEX(1);
     86 		cs->buf[cs->cdw++] = va;
     87 		cs->buf[cs->cdw++] = (va >> 32UL) & 0xFF;
     88 
     89 		cs->buf[cs->cdw++] = PKT3(PKT3_NOP, 0, 0);
     90 		cs->buf[cs->cdw++] = r600_context_bo_reloc(ctx, buffer, RADEON_USAGE_WRITE);
     91 
     92 		/* analyze results */
     93 		results = ctx->ws->buffer_map(buffer->cs_buf, ctx->cs, PIPE_TRANSFER_READ);
     94 		if (results) {
     95 			for(i = 0; i < ctx->max_db; i++) {
     96 				/* at least highest bit will be set if backend is used */
     97 				if (results[i*4 + 1])
     98 					mask |= (1<<i);
     99 			}
    100 			ctx->ws->buffer_unmap(buffer->cs_buf);
    101 		}
    102 	}
    103 
    104 	pipe_resource_reference((struct pipe_resource**)&buffer, NULL);
    105 
    106 	if (mask != 0) {
    107 		ctx->backend_mask = mask;
    108 		return;
    109 	}
    110 
    111 err:
    112 	/* fallback to old method - set num_backends lower bits to 1 */
    113 	ctx->backend_mask = (~((uint32_t)0))>>(32-num_backends);
    114 	return;
    115 }
    116 
    117 void r600_context_ps_partial_flush(struct r600_context *ctx)
    118 {
    119 	struct radeon_winsys_cs *cs = ctx->cs;
    120 
    121 	if (!(ctx->flags & R600_CONTEXT_DRAW_PENDING))
    122 		return;
    123 
    124 	cs->buf[cs->cdw++] = PKT3(PKT3_EVENT_WRITE, 0, 0);
    125 	cs->buf[cs->cdw++] = EVENT_TYPE(EVENT_TYPE_PS_PARTIAL_FLUSH) | EVENT_INDEX(4);
    126 
    127 	ctx->flags &= ~R600_CONTEXT_DRAW_PENDING;
    128 }
    129 
    130 static void r600_init_block(struct r600_context *ctx,
    131 			    struct r600_block *block,
    132 			    const struct r600_reg *reg, int index, int nreg,
    133 			    unsigned opcode, unsigned offset_base)
    134 {
    135 	int i = index;
    136 	int j, n = nreg;
    137 
    138 	/* initialize block */
    139 	block->flags = 0;
    140 	block->status |= R600_BLOCK_STATUS_DIRTY; /* dirty all blocks at start */
    141 	block->start_offset = reg[i].offset;
    142 	block->pm4[block->pm4_ndwords++] = PKT3(opcode, n, 0);
    143 	block->pm4[block->pm4_ndwords++] = (block->start_offset - offset_base) >> 2;
    144 	block->reg = &block->pm4[block->pm4_ndwords];
    145 	block->pm4_ndwords += n;
    146 	block->nreg = n;
    147 	block->nreg_dirty = n;
    148 	LIST_INITHEAD(&block->list);
    149 	LIST_INITHEAD(&block->enable_list);
    150 
    151 	for (j = 0; j < n; j++) {
    152 		if (reg[i+j].flags & REG_FLAG_DIRTY_ALWAYS) {
    153 			block->flags |= REG_FLAG_DIRTY_ALWAYS;
    154 		}
    155 		if (reg[i+j].flags & REG_FLAG_ENABLE_ALWAYS) {
    156 			if (!(block->status & R600_BLOCK_STATUS_ENABLED)) {
    157 				block->status |= R600_BLOCK_STATUS_ENABLED;
    158 				LIST_ADDTAIL(&block->enable_list, &ctx->enable_list);
    159 				LIST_ADDTAIL(&block->list,&ctx->dirty);
    160 			}
    161 		}
    162 		if (reg[i+j].flags & REG_FLAG_FLUSH_CHANGE) {
    163 			block->flags |= REG_FLAG_FLUSH_CHANGE;
    164 		}
    165 
    166 		if (reg[i+j].flags & REG_FLAG_NEED_BO) {
    167 			block->nbo++;
    168 			assert(block->nbo < R600_BLOCK_MAX_BO);
    169 			block->pm4_bo_index[j] = block->nbo;
    170 			block->pm4[block->pm4_ndwords++] = PKT3(PKT3_NOP, 0, 0);
    171 			block->pm4[block->pm4_ndwords++] = 0x00000000;
    172 			block->reloc[block->nbo].bo_pm4_index = block->pm4_ndwords - 1;
    173 		}
    174 		if ((ctx->family > CHIP_R600) &&
    175 		    (ctx->family < CHIP_RV770) && reg[i+j].flags & REG_FLAG_RV6XX_SBU) {
    176 			block->pm4[block->pm4_ndwords++] = PKT3(PKT3_SURFACE_BASE_UPDATE, 0, 0);
    177 			block->pm4[block->pm4_ndwords++] = reg[i+j].sbu_flags;
    178 		}
    179 	}
    180 	/* check that we stay in limit */
    181 	assert(block->pm4_ndwords < R600_BLOCK_MAX_REG);
    182 }
    183 
    184 int r600_context_add_block(struct r600_context *ctx, const struct r600_reg *reg, unsigned nreg,
    185 			   unsigned opcode, unsigned offset_base)
    186 {
    187 	struct r600_block *block;
    188 	struct r600_range *range;
    189 	int offset;
    190 
    191 	for (unsigned i = 0, n = 0; i < nreg; i += n) {
    192 		/* ignore new block balise */
    193 		if (reg[i].offset == GROUP_FORCE_NEW_BLOCK) {
    194 			n = 1;
    195 			continue;
    196 		}
    197 
    198 		/* ignore regs not on R600 on R600 */
    199 		if ((reg[i].flags & REG_FLAG_NOT_R600) && ctx->family == CHIP_R600) {
    200 			n = 1;
    201 			continue;
    202 		}
    203 
    204 		/* register that need relocation are in their own group */
    205 		/* find number of consecutive registers */
    206 		n = 0;
    207 		offset = reg[i].offset;
    208 		while (reg[i + n].offset == offset) {
    209 			n++;
    210 			offset += 4;
    211 			if ((n + i) >= nreg)
    212 				break;
    213 			if (n >= (R600_BLOCK_MAX_REG - 2))
    214 				break;
    215 		}
    216 
    217 		/* allocate new block */
    218 		block = calloc(1, sizeof(struct r600_block));
    219 		if (block == NULL) {
    220 			return -ENOMEM;
    221 		}
    222 		ctx->nblocks++;
    223 		for (int j = 0; j < n; j++) {
    224 			range = &ctx->range[CTX_RANGE_ID(reg[i + j].offset)];
    225 			/* create block table if it doesn't exist */
    226 			if (!range->blocks)
    227 				range->blocks = calloc(1 << HASH_SHIFT, sizeof(void *));
    228 			if (!range->blocks)
    229 				return -1;
    230 
    231 			range->blocks[CTX_BLOCK_ID(reg[i + j].offset)] = block;
    232 		}
    233 
    234 		r600_init_block(ctx, block, reg, i, n, opcode, offset_base);
    235 
    236 	}
    237 	return 0;
    238 }
    239 
    240 /* R600/R700 configuration */
    241 static const struct r600_reg r600_config_reg_list[] = {
    242 	{R_008958_VGT_PRIMITIVE_TYPE, 0, 0},
    243 	{R_008B40_PA_SC_AA_SAMPLE_LOCS_2S, 0, 0},
    244 	{R_008B44_PA_SC_AA_SAMPLE_LOCS_4S, 0, 0},
    245 	{R_008B48_PA_SC_AA_SAMPLE_LOCS_8S_WD0, 0, 0},
    246 	{R_008B4C_PA_SC_AA_SAMPLE_LOCS_8S_WD1, 0, 0},
    247 	{R_008C04_SQ_GPR_RESOURCE_MGMT_1, REG_FLAG_ENABLE_ALWAYS | REG_FLAG_FLUSH_CHANGE, 0},
    248 };
    249 
    250 static const struct r600_reg r600_ctl_const_list[] = {
    251 	{R_03CFF4_SQ_VTX_START_INST_LOC, 0, 0},
    252 };
    253 
    254 static const struct r600_reg r600_context_reg_list[] = {
    255 	{R_028A4C_PA_SC_MODE_CNTL, 0, 0},
    256 	{GROUP_FORCE_NEW_BLOCK, 0, 0},
    257 	{R_028040_CB_COLOR0_BASE, REG_FLAG_NEED_BO|REG_FLAG_RV6XX_SBU, SURFACE_BASE_UPDATE_COLOR(0)},
    258 	{GROUP_FORCE_NEW_BLOCK, 0, 0},
    259 	{R_0280A0_CB_COLOR0_INFO, REG_FLAG_NEED_BO, 0},
    260 	{R_028060_CB_COLOR0_SIZE, 0, 0},
    261 	{R_028080_CB_COLOR0_VIEW, 0, 0},
    262 	{GROUP_FORCE_NEW_BLOCK, 0, 0},
    263 	{R_0280E0_CB_COLOR0_FRAG, REG_FLAG_NEED_BO, 0},
    264 	{GROUP_FORCE_NEW_BLOCK, 0, 0},
    265 	{R_0280C0_CB_COLOR0_TILE, REG_FLAG_NEED_BO, 0},
    266 	{GROUP_FORCE_NEW_BLOCK, 0, 0},
    267 	{R_028100_CB_COLOR0_MASK, 0, 0},
    268 	{R_028044_CB_COLOR1_BASE, REG_FLAG_NEED_BO|REG_FLAG_RV6XX_SBU, SURFACE_BASE_UPDATE_COLOR(1)},
    269 	{GROUP_FORCE_NEW_BLOCK, 0, 0},
    270 	{R_0280A4_CB_COLOR1_INFO, REG_FLAG_NEED_BO, 0},
    271 	{R_028064_CB_COLOR1_SIZE, 0, 0},
    272 	{R_028084_CB_COLOR1_VIEW, 0, 0},
    273 	{GROUP_FORCE_NEW_BLOCK, 0, 0},
    274 	{R_0280E4_CB_COLOR1_FRAG, REG_FLAG_NEED_BO, 0},
    275 	{GROUP_FORCE_NEW_BLOCK, 0, 0},
    276 	{R_0280C4_CB_COLOR1_TILE, REG_FLAG_NEED_BO, 0},
    277 	{R_028104_CB_COLOR1_MASK, 0, 0},
    278 	{GROUP_FORCE_NEW_BLOCK, 0, 0},
    279 	{R_028048_CB_COLOR2_BASE, REG_FLAG_NEED_BO|REG_FLAG_RV6XX_SBU, SURFACE_BASE_UPDATE_COLOR(2)},
    280 	{GROUP_FORCE_NEW_BLOCK, 0, 0},
    281 	{R_0280A8_CB_COLOR2_INFO, REG_FLAG_NEED_BO, 0},
    282 	{R_028068_CB_COLOR2_SIZE, 0, 0},
    283 	{R_028088_CB_COLOR2_VIEW, 0, 0},
    284 	{GROUP_FORCE_NEW_BLOCK, 0, 0},
    285 	{R_0280E8_CB_COLOR2_FRAG, REG_FLAG_NEED_BO, 0},
    286 	{GROUP_FORCE_NEW_BLOCK, 0, 0},
    287 	{R_0280C8_CB_COLOR2_TILE, REG_FLAG_NEED_BO, 0},
    288 	{R_028108_CB_COLOR2_MASK, 0, 0},
    289 	{GROUP_FORCE_NEW_BLOCK, 0, 0},
    290 	{R_02804C_CB_COLOR3_BASE, REG_FLAG_NEED_BO|REG_FLAG_RV6XX_SBU, SURFACE_BASE_UPDATE_COLOR(3)},
    291 	{GROUP_FORCE_NEW_BLOCK, 0, 0},
    292 	{R_0280AC_CB_COLOR3_INFO, REG_FLAG_NEED_BO, 0},
    293 	{R_02806C_CB_COLOR3_SIZE, 0, 0},
    294 	{R_02808C_CB_COLOR3_VIEW, 0, 0},
    295 	{GROUP_FORCE_NEW_BLOCK, 0, 0},
    296 	{R_0280EC_CB_COLOR3_FRAG, REG_FLAG_NEED_BO, 0},
    297 	{GROUP_FORCE_NEW_BLOCK, 0, 0},
    298 	{R_0280CC_CB_COLOR3_TILE, REG_FLAG_NEED_BO, 0},
    299 	{R_02810C_CB_COLOR3_MASK, 0, 0},
    300 	{GROUP_FORCE_NEW_BLOCK, 0, 0},
    301 	{R_028050_CB_COLOR4_BASE, REG_FLAG_NEED_BO|REG_FLAG_RV6XX_SBU, SURFACE_BASE_UPDATE_COLOR(4)},
    302 	{GROUP_FORCE_NEW_BLOCK, 0, 0},
    303 	{R_0280B0_CB_COLOR4_INFO, REG_FLAG_NEED_BO, 0},
    304 	{R_028070_CB_COLOR4_SIZE, 0, 0},
    305 	{R_028090_CB_COLOR4_VIEW, 0, 0},
    306 	{GROUP_FORCE_NEW_BLOCK, 0, 0},
    307 	{R_0280F0_CB_COLOR4_FRAG, REG_FLAG_NEED_BO, 0},
    308 	{GROUP_FORCE_NEW_BLOCK, 0, 0},
    309 	{R_0280D0_CB_COLOR4_TILE, REG_FLAG_NEED_BO, 0},
    310 	{R_028110_CB_COLOR4_MASK, 0, 0},
    311 	{GROUP_FORCE_NEW_BLOCK, 0, 0},
    312 	{R_028054_CB_COLOR5_BASE, REG_FLAG_NEED_BO|REG_FLAG_RV6XX_SBU, SURFACE_BASE_UPDATE_COLOR(5)},
    313 	{GROUP_FORCE_NEW_BLOCK, 0, 0},
    314 	{R_0280B4_CB_COLOR5_INFO, REG_FLAG_NEED_BO, 0},
    315 	{R_028074_CB_COLOR5_SIZE, 0, 0},
    316 	{R_028094_CB_COLOR5_VIEW, 0, 0},
    317 	{GROUP_FORCE_NEW_BLOCK, 0, 0},
    318 	{R_0280F4_CB_COLOR5_FRAG, REG_FLAG_NEED_BO, 0},
    319 	{GROUP_FORCE_NEW_BLOCK, 0, 0},
    320 	{R_0280D4_CB_COLOR5_TILE, REG_FLAG_NEED_BO, 0},
    321 	{R_028114_CB_COLOR5_MASK, 0, 0},
    322 	{R_028058_CB_COLOR6_BASE, REG_FLAG_NEED_BO|REG_FLAG_RV6XX_SBU, SURFACE_BASE_UPDATE_COLOR(6)},
    323 	{R_0280B8_CB_COLOR6_INFO, REG_FLAG_NEED_BO, 0},
    324 	{R_028078_CB_COLOR6_SIZE, 0, 0},
    325 	{R_028098_CB_COLOR6_VIEW, 0, 0},
    326 	{GROUP_FORCE_NEW_BLOCK, 0, 0},
    327 	{R_0280F8_CB_COLOR6_FRAG, REG_FLAG_NEED_BO, 0},
    328 	{GROUP_FORCE_NEW_BLOCK, 0, 0},
    329 	{R_0280D8_CB_COLOR6_TILE, REG_FLAG_NEED_BO, 0},
    330 	{R_028118_CB_COLOR6_MASK, 0, 0},
    331 	{GROUP_FORCE_NEW_BLOCK, 0, 0},
    332 	{R_02805C_CB_COLOR7_BASE, REG_FLAG_NEED_BO|REG_FLAG_RV6XX_SBU, SURFACE_BASE_UPDATE_COLOR(7)},
    333 	{GROUP_FORCE_NEW_BLOCK, 0, 0},
    334 	{R_0280BC_CB_COLOR7_INFO, REG_FLAG_NEED_BO, 0},
    335 	{R_02807C_CB_COLOR7_SIZE, 0, 0},
    336 	{R_02809C_CB_COLOR7_VIEW, 0, 0},
    337 	{R_0280FC_CB_COLOR7_FRAG, REG_FLAG_NEED_BO, 0},
    338 	{R_0280DC_CB_COLOR7_TILE, REG_FLAG_NEED_BO, 0},
    339 	{R_02811C_CB_COLOR7_MASK, 0, 0},
    340 	{R_028120_CB_CLEAR_RED, 0, 0},
    341 	{R_028124_CB_CLEAR_GREEN, 0, 0},
    342 	{R_028128_CB_CLEAR_BLUE, 0, 0},
    343 	{R_02812C_CB_CLEAR_ALPHA, 0, 0},
    344 	{R_028414_CB_BLEND_RED, 0, 0},
    345 	{R_028418_CB_BLEND_GREEN, 0, 0},
    346 	{R_02841C_CB_BLEND_BLUE, 0, 0},
    347 	{R_028420_CB_BLEND_ALPHA, 0, 0},
    348 	{R_028424_CB_FOG_RED, 0, 0},
    349 	{R_028428_CB_FOG_GREEN, 0, 0},
    350 	{R_02842C_CB_FOG_BLUE, 0, 0},
    351 	{R_028430_DB_STENCILREFMASK, 0, 0},
    352 	{R_028434_DB_STENCILREFMASK_BF, 0, 0},
    353 	{R_028780_CB_BLEND0_CONTROL, REG_FLAG_NOT_R600, 0},
    354 	{R_028784_CB_BLEND1_CONTROL, REG_FLAG_NOT_R600, 0},
    355 	{R_028788_CB_BLEND2_CONTROL, REG_FLAG_NOT_R600, 0},
    356 	{R_02878C_CB_BLEND3_CONTROL, REG_FLAG_NOT_R600, 0},
    357 	{R_028790_CB_BLEND4_CONTROL, REG_FLAG_NOT_R600, 0},
    358 	{R_028794_CB_BLEND5_CONTROL, REG_FLAG_NOT_R600, 0},
    359 	{R_028798_CB_BLEND6_CONTROL, REG_FLAG_NOT_R600, 0},
    360 	{R_02879C_CB_BLEND7_CONTROL, REG_FLAG_NOT_R600, 0},
    361 	{R_0287A0_CB_SHADER_CONTROL, 0, 0},
    362 	{R_028800_DB_DEPTH_CONTROL, 0, 0},
    363 	{R_028804_CB_BLEND_CONTROL, 0, 0},
    364 	{R_02880C_DB_SHADER_CONTROL, 0, 0},
    365 	{R_02800C_DB_DEPTH_BASE, REG_FLAG_NEED_BO|REG_FLAG_RV6XX_SBU, SURFACE_BASE_UPDATE_DEPTH},
    366 	{R_028000_DB_DEPTH_SIZE, 0, 0},
    367 	{R_028004_DB_DEPTH_VIEW, 0, 0},
    368 	{GROUP_FORCE_NEW_BLOCK, 0, 0},
    369 	{R_028010_DB_DEPTH_INFO, REG_FLAG_NEED_BO, 0},
    370 	{R_028A6C_VGT_GS_OUT_PRIM_TYPE, 0, 0},
    371 	{R_028D24_DB_HTILE_SURFACE, 0, 0},
    372 	{R_028D34_DB_PREFETCH_LIMIT, 0, 0},
    373 	{R_028D44_DB_ALPHA_TO_MASK, 0, 0},
    374 	{R_028204_PA_SC_WINDOW_SCISSOR_TL, 0, 0},
    375 	{R_028208_PA_SC_WINDOW_SCISSOR_BR, 0, 0},
    376 	{R_028250_PA_SC_VPORT_SCISSOR_0_TL, 0, 0},
    377 	{R_028254_PA_SC_VPORT_SCISSOR_0_BR, 0, 0},
    378 	{R_02843C_PA_CL_VPORT_XSCALE_0, 0, 0},
    379 	{R_028440_PA_CL_VPORT_XOFFSET_0, 0, 0},
    380 	{R_028444_PA_CL_VPORT_YSCALE_0, 0, 0},
    381 	{R_028448_PA_CL_VPORT_YOFFSET_0, 0, 0},
    382 	{R_02844C_PA_CL_VPORT_ZSCALE_0, 0, 0},
    383 	{R_028450_PA_CL_VPORT_ZOFFSET_0, 0, 0},
    384 	{R_0286D4_SPI_INTERP_CONTROL_0, 0, 0},
    385 	{R_028810_PA_CL_CLIP_CNTL, 0, 0},
    386 	{R_028814_PA_SU_SC_MODE_CNTL, 0, 0},
    387 	{R_02881C_PA_CL_VS_OUT_CNTL, 0, 0},
    388 	{R_028A00_PA_SU_POINT_SIZE, 0, 0},
    389 	{R_028A04_PA_SU_POINT_MINMAX, 0, 0},
    390 	{R_028A08_PA_SU_LINE_CNTL, 0, 0},
    391 	{R_028A0C_PA_SC_LINE_STIPPLE, 0, 0},
    392 	{R_028C00_PA_SC_LINE_CNTL, 0, 0},
    393 	{R_028C04_PA_SC_AA_CONFIG, 0, 0},
    394 	{R_028C08_PA_SU_VTX_CNTL, 0, 0},
    395 	{R_028DF8_PA_SU_POLY_OFFSET_DB_FMT_CNTL, 0, 0},
    396 	{R_028DFC_PA_SU_POLY_OFFSET_CLAMP, 0, 0},
    397 	{R_028E00_PA_SU_POLY_OFFSET_FRONT_SCALE, 0, 0},
    398 	{R_028E04_PA_SU_POLY_OFFSET_FRONT_OFFSET, 0, 0},
    399 	{R_028E08_PA_SU_POLY_OFFSET_BACK_SCALE, 0, 0},
    400 	{R_028E0C_PA_SU_POLY_OFFSET_BACK_OFFSET, 0, 0},
    401 	{R_028E20_PA_CL_UCP0_X, 0, 0},
    402 	{R_028E24_PA_CL_UCP0_Y, 0, 0},
    403 	{R_028E28_PA_CL_UCP0_Z, 0, 0},
    404 	{R_028E2C_PA_CL_UCP0_W, 0, 0},
    405 	{R_028E30_PA_CL_UCP1_X, 0, 0},
    406 	{R_028E34_PA_CL_UCP1_Y, 0, 0},
    407 	{R_028E38_PA_CL_UCP1_Z, 0, 0},
    408 	{R_028E3C_PA_CL_UCP1_W, 0, 0},
    409 	{R_028E40_PA_CL_UCP2_X, 0, 0},
    410 	{R_028E44_PA_CL_UCP2_Y, 0, 0},
    411 	{R_028E48_PA_CL_UCP2_Z, 0, 0},
    412 	{R_028E4C_PA_CL_UCP2_W, 0, 0},
    413 	{R_028E50_PA_CL_UCP3_X, 0, 0},
    414 	{R_028E54_PA_CL_UCP3_Y, 0, 0},
    415 	{R_028E58_PA_CL_UCP3_Z, 0, 0},
    416 	{R_028E5C_PA_CL_UCP3_W, 0, 0},
    417 	{R_028E60_PA_CL_UCP4_X, 0, 0},
    418 	{R_028E64_PA_CL_UCP4_Y, 0, 0},
    419 	{R_028E68_PA_CL_UCP4_Z, 0, 0},
    420 	{R_028E6C_PA_CL_UCP4_W, 0, 0},
    421 	{R_028E70_PA_CL_UCP5_X, 0, 0},
    422 	{R_028E74_PA_CL_UCP5_Y, 0, 0},
    423 	{R_028E78_PA_CL_UCP5_Z, 0, 0},
    424 	{R_028E7C_PA_CL_UCP5_W, 0, 0},
    425 	{R_028350_SX_MISC, 0, 0},
    426 	{R_028380_SQ_VTX_SEMANTIC_0, 0, 0},
    427 	{R_028384_SQ_VTX_SEMANTIC_1, 0, 0},
    428 	{R_028388_SQ_VTX_SEMANTIC_2, 0, 0},
    429 	{R_02838C_SQ_VTX_SEMANTIC_3, 0, 0},
    430 	{R_028390_SQ_VTX_SEMANTIC_4, 0, 0},
    431 	{R_028394_SQ_VTX_SEMANTIC_5, 0, 0},
    432 	{R_028398_SQ_VTX_SEMANTIC_6, 0, 0},
    433 	{R_02839C_SQ_VTX_SEMANTIC_7, 0, 0},
    434 	{R_0283A0_SQ_VTX_SEMANTIC_8, 0, 0},
    435 	{R_0283A4_SQ_VTX_SEMANTIC_9, 0, 0},
    436 	{R_0283A8_SQ_VTX_SEMANTIC_10, 0, 0},
    437 	{R_0283AC_SQ_VTX_SEMANTIC_11, 0, 0},
    438 	{R_0283B0_SQ_VTX_SEMANTIC_12, 0, 0},
    439 	{R_0283B4_SQ_VTX_SEMANTIC_13, 0, 0},
    440 	{R_0283B8_SQ_VTX_SEMANTIC_14, 0, 0},
    441 	{R_0283BC_SQ_VTX_SEMANTIC_15, 0, 0},
    442 	{R_0283C0_SQ_VTX_SEMANTIC_16, 0, 0},
    443 	{R_0283C4_SQ_VTX_SEMANTIC_17, 0, 0},
    444 	{R_0283C8_SQ_VTX_SEMANTIC_18, 0, 0},
    445 	{R_0283CC_SQ_VTX_SEMANTIC_19, 0, 0},
    446 	{R_0283D0_SQ_VTX_SEMANTIC_20, 0, 0},
    447 	{R_0283D4_SQ_VTX_SEMANTIC_21, 0, 0},
    448 	{R_0283D8_SQ_VTX_SEMANTIC_22, 0, 0},
    449 	{R_0283DC_SQ_VTX_SEMANTIC_23, 0, 0},
    450 	{R_0283E0_SQ_VTX_SEMANTIC_24, 0, 0},
    451 	{R_0283E4_SQ_VTX_SEMANTIC_25, 0, 0},
    452 	{R_0283E8_SQ_VTX_SEMANTIC_26, 0, 0},
    453 	{R_0283EC_SQ_VTX_SEMANTIC_27, 0, 0},
    454 	{R_0283F0_SQ_VTX_SEMANTIC_28, 0, 0},
    455 	{R_0283F4_SQ_VTX_SEMANTIC_29, 0, 0},
    456 	{R_0283F8_SQ_VTX_SEMANTIC_30, 0, 0},
    457 	{R_0283FC_SQ_VTX_SEMANTIC_31, 0, 0},
    458 	{R_028614_SPI_VS_OUT_ID_0, 0, 0},
    459 	{R_028618_SPI_VS_OUT_ID_1, 0, 0},
    460 	{R_02861C_SPI_VS_OUT_ID_2, 0, 0},
    461 	{R_028620_SPI_VS_OUT_ID_3, 0, 0},
    462 	{R_028624_SPI_VS_OUT_ID_4, 0, 0},
    463 	{R_028628_SPI_VS_OUT_ID_5, 0, 0},
    464 	{R_02862C_SPI_VS_OUT_ID_6, 0, 0},
    465 	{R_028630_SPI_VS_OUT_ID_7, 0, 0},
    466 	{R_028634_SPI_VS_OUT_ID_8, 0, 0},
    467 	{R_028638_SPI_VS_OUT_ID_9, 0, 0},
    468 	{R_0286C4_SPI_VS_OUT_CONFIG, 0, 0},
    469 	{GROUP_FORCE_NEW_BLOCK, 0, 0},
    470 	{R_028858_SQ_PGM_START_VS, REG_FLAG_NEED_BO, 0},
    471 	{GROUP_FORCE_NEW_BLOCK, 0, 0},
    472 	{R_028868_SQ_PGM_RESOURCES_VS, 0, 0},
    473 	{GROUP_FORCE_NEW_BLOCK, 0, 0},
    474 	{R_028894_SQ_PGM_START_FS, REG_FLAG_NEED_BO, 0},
    475 	{GROUP_FORCE_NEW_BLOCK, 0, 0},
    476 	{R_0288A4_SQ_PGM_RESOURCES_FS, 0, 0},
    477 	{R_0288DC_SQ_PGM_CF_OFFSET_FS, 0, 0},
    478 	{R_028644_SPI_PS_INPUT_CNTL_0, 0, 0},
    479 	{R_028648_SPI_PS_INPUT_CNTL_1, 0, 0},
    480 	{R_02864C_SPI_PS_INPUT_CNTL_2, 0, 0},
    481 	{R_028650_SPI_PS_INPUT_CNTL_3, 0, 0},
    482 	{R_028654_SPI_PS_INPUT_CNTL_4, 0, 0},
    483 	{R_028658_SPI_PS_INPUT_CNTL_5, 0, 0},
    484 	{R_02865C_SPI_PS_INPUT_CNTL_6, 0, 0},
    485 	{R_028660_SPI_PS_INPUT_CNTL_7, 0, 0},
    486 	{R_028664_SPI_PS_INPUT_CNTL_8, 0, 0},
    487 	{R_028668_SPI_PS_INPUT_CNTL_9, 0, 0},
    488 	{R_02866C_SPI_PS_INPUT_CNTL_10, 0, 0},
    489 	{R_028670_SPI_PS_INPUT_CNTL_11, 0, 0},
    490 	{R_028674_SPI_PS_INPUT_CNTL_12, 0, 0},
    491 	{R_028678_SPI_PS_INPUT_CNTL_13, 0, 0},
    492 	{R_02867C_SPI_PS_INPUT_CNTL_14, 0, 0},
    493 	{R_028680_SPI_PS_INPUT_CNTL_15, 0, 0},
    494 	{R_028684_SPI_PS_INPUT_CNTL_16, 0, 0},
    495 	{R_028688_SPI_PS_INPUT_CNTL_17, 0, 0},
    496 	{R_02868C_SPI_PS_INPUT_CNTL_18, 0, 0},
    497 	{R_028690_SPI_PS_INPUT_CNTL_19, 0, 0},
    498 	{R_028694_SPI_PS_INPUT_CNTL_20, 0, 0},
    499 	{R_028698_SPI_PS_INPUT_CNTL_21, 0, 0},
    500 	{R_02869C_SPI_PS_INPUT_CNTL_22, 0, 0},
    501 	{R_0286A0_SPI_PS_INPUT_CNTL_23, 0, 0},
    502 	{R_0286A4_SPI_PS_INPUT_CNTL_24, 0, 0},
    503 	{R_0286A8_SPI_PS_INPUT_CNTL_25, 0, 0},
    504 	{R_0286AC_SPI_PS_INPUT_CNTL_26, 0, 0},
    505 	{R_0286B0_SPI_PS_INPUT_CNTL_27, 0, 0},
    506 	{R_0286B4_SPI_PS_INPUT_CNTL_28, 0, 0},
    507 	{R_0286B8_SPI_PS_INPUT_CNTL_29, 0, 0},
    508 	{R_0286BC_SPI_PS_INPUT_CNTL_30, 0, 0},
    509 	{R_0286C0_SPI_PS_INPUT_CNTL_31, 0, 0},
    510 	{R_0286CC_SPI_PS_IN_CONTROL_0, 0, 0},
    511 	{R_0286D0_SPI_PS_IN_CONTROL_1, 0, 0},
    512 	{R_0286D8_SPI_INPUT_Z, 0, 0},
    513 	{GROUP_FORCE_NEW_BLOCK, 0, 0},
    514 	{R_028840_SQ_PGM_START_PS, REG_FLAG_NEED_BO, 0},
    515 	{GROUP_FORCE_NEW_BLOCK, 0, 0},
    516 	{R_028850_SQ_PGM_RESOURCES_PS, 0, 0},
    517 	{R_028854_SQ_PGM_EXPORTS_PS, 0, 0},
    518 	{R_028408_VGT_INDX_OFFSET, 0, 0},
    519 	{R_02840C_VGT_MULTI_PRIM_IB_RESET_INDX, 0, 0},
    520 	{R_028A94_VGT_MULTI_PRIM_IB_RESET_EN, 0, 0},
    521 	{R_028C1C_PA_SC_AA_SAMPLE_LOCS_MCTX, 0, 0},
    522 	{R_028C20_PA_SC_AA_SAMPLE_LOCS_8S_WD1_MCTX, 0, 0},
    523 };
    524 
    525 static int r600_loop_const_init(struct r600_context *ctx, uint32_t offset)
    526 {
    527 	unsigned nreg = 32;
    528 	struct r600_reg r600_loop_consts[32];
    529 	int i;
    530 
    531 	for (i = 0; i < nreg; i++) {
    532 		r600_loop_consts[i].offset = R600_LOOP_CONST_OFFSET + ((offset + i) * 4);
    533 		r600_loop_consts[i].flags = REG_FLAG_DIRTY_ALWAYS;
    534 		r600_loop_consts[i].sbu_flags = 0;
    535 	}
    536 	return r600_context_add_block(ctx, r600_loop_consts, nreg, PKT3_SET_LOOP_CONST, R600_LOOP_CONST_OFFSET);
    537 }
    538 
    539 /* initialize */
    540 void r600_context_fini(struct r600_context *ctx)
    541 {
    542 	struct r600_block *block;
    543 	struct r600_range *range;
    544 
    545 	if (ctx->range) {
    546 		for (int i = 0; i < NUM_RANGES; i++) {
    547 			if (!ctx->range[i].blocks)
    548 				continue;
    549 			for (int j = 0; j < (1 << HASH_SHIFT); j++) {
    550 				block = ctx->range[i].blocks[j];
    551 				if (block) {
    552 					for (int k = 0, offset = block->start_offset; k < block->nreg; k++, offset += 4) {
    553 						range = &ctx->range[CTX_RANGE_ID(offset)];
    554 						range->blocks[CTX_BLOCK_ID(offset)] = NULL;
    555 					}
    556 					for (int k = 1; k <= block->nbo; k++) {
    557 						pipe_resource_reference((struct pipe_resource**)&block->reloc[k].bo, NULL);
    558 					}
    559 					free(block);
    560 				}
    561 			}
    562 			free(ctx->range[i].blocks);
    563 		}
    564 	}
    565 	free(ctx->blocks);
    566 }
    567 
    568 int r600_setup_block_table(struct r600_context *ctx)
    569 {
    570 	/* setup block table */
    571 	int c = 0;
    572 	ctx->blocks = calloc(ctx->nblocks, sizeof(void*));
    573 	if (!ctx->blocks)
    574 		return -ENOMEM;
    575 	for (int i = 0; i < NUM_RANGES; i++) {
    576 		if (!ctx->range[i].blocks)
    577 			continue;
    578 		for (int j = 0, add; j < (1 << HASH_SHIFT); j++) {
    579 			if (!ctx->range[i].blocks[j])
    580 				continue;
    581 
    582 			add = 1;
    583 			for (int k = 0; k < c; k++) {
    584 				if (ctx->blocks[k] == ctx->range[i].blocks[j]) {
    585 					add = 0;
    586 					break;
    587 				}
    588 			}
    589 			if (add) {
    590 				assert(c < ctx->nblocks);
    591 				ctx->blocks[c++] = ctx->range[i].blocks[j];
    592 				j += (ctx->range[i].blocks[j]->nreg) - 1;
    593 			}
    594 		}
    595 	}
    596 	return 0;
    597 }
    598 
    599 int r600_context_init(struct r600_context *ctx)
    600 {
    601 	int r;
    602 
    603 	/* add blocks */
    604 	r = r600_context_add_block(ctx, r600_config_reg_list,
    605 				   Elements(r600_config_reg_list), PKT3_SET_CONFIG_REG, R600_CONFIG_REG_OFFSET);
    606 	if (r)
    607 		goto out_err;
    608 	r = r600_context_add_block(ctx, r600_context_reg_list,
    609 				   Elements(r600_context_reg_list), PKT3_SET_CONTEXT_REG, R600_CONTEXT_REG_OFFSET);
    610 	if (r)
    611 		goto out_err;
    612 	r = r600_context_add_block(ctx, r600_ctl_const_list,
    613 				   Elements(r600_ctl_const_list), PKT3_SET_CTL_CONST, R600_CTL_CONST_OFFSET);
    614 	if (r)
    615 		goto out_err;
    616 
    617 	/* PS loop const */
    618 	r600_loop_const_init(ctx, 0);
    619 	/* VS loop const */
    620 	r600_loop_const_init(ctx, 32);
    621 
    622 	r = r600_setup_block_table(ctx);
    623 	if (r)
    624 		goto out_err;
    625 
    626 	ctx->max_db = 4;
    627 	return 0;
    628 out_err:
    629 	r600_context_fini(ctx);
    630 	return r;
    631 }
    632 
    633 void r600_need_cs_space(struct r600_context *ctx, unsigned num_dw,
    634 			boolean count_draw_in)
    635 {
    636 	struct r600_atom *state;
    637 
    638 	if (!ctx->ws->cs_memory_below_limit(ctx->cs, ctx->vram, ctx->gtt)) {
    639 		ctx->gtt = 0;
    640 		ctx->vram = 0;
    641 		r600_flush(&ctx->context, NULL, RADEON_FLUSH_ASYNC);
    642 		return;
    643 	}
    644 	/* all will be accounted once relocation are emited */
    645 	ctx->gtt = 0;
    646 	ctx->vram = 0;
    647 
    648 	/* The number of dwords we already used in the CS so far. */
    649 	num_dw += ctx->cs->cdw;
    650 
    651 	if (count_draw_in) {
    652 		/* The number of dwords all the dirty states would take. */
    653 		LIST_FOR_EACH_ENTRY(state, &ctx->dirty_states, head) {
    654 			num_dw += state->num_dw;
    655 		}
    656 
    657 		num_dw += ctx->pm4_dirty_cdwords;
    658 
    659 		/* The upper-bound of how much a draw command would take. */
    660 		num_dw += R600_MAX_DRAW_CS_DWORDS;
    661 	}
    662 
    663 	/* Count in queries_suspend. */
    664 	num_dw += ctx->num_cs_dw_nontimer_queries_suspend;
    665 	num_dw += ctx->num_cs_dw_timer_queries_suspend;
    666 
    667 	/* Count in streamout_end at the end of CS. */
    668 	num_dw += ctx->num_cs_dw_streamout_end;
    669 
    670 	/* Count in render_condition(NULL) at the end of CS. */
    671 	if (ctx->predicate_drawing) {
    672 		num_dw += 3;
    673 	}
    674 
    675 	/* Count in framebuffer cache flushes at the end of CS. */
    676 	num_dw += 7; /* one SURFACE_SYNC and CACHE_FLUSH_AND_INV (r6xx-only) */
    677 
    678 	/* Save 16 dwords for the fence mechanism. */
    679 	num_dw += 16;
    680 
    681 	/* Flush if there's not enough space. */
    682 	if (num_dw > RADEON_MAX_CMDBUF_DWORDS) {
    683 		r600_flush(&ctx->context, NULL, RADEON_FLUSH_ASYNC);
    684 	}
    685 }
    686 
    687 void r600_context_dirty_block(struct r600_context *ctx,
    688 			      struct r600_block *block,
    689 			      int dirty, int index)
    690 {
    691 	if ((index + 1) > block->nreg_dirty)
    692 		block->nreg_dirty = index + 1;
    693 
    694 	if ((dirty != (block->status & R600_BLOCK_STATUS_DIRTY)) || !(block->status & R600_BLOCK_STATUS_ENABLED)) {
    695 		block->status |= R600_BLOCK_STATUS_DIRTY;
    696 		ctx->pm4_dirty_cdwords += block->pm4_ndwords;
    697 		if (!(block->status & R600_BLOCK_STATUS_ENABLED)) {
    698 			block->status |= R600_BLOCK_STATUS_ENABLED;
    699 			LIST_ADDTAIL(&block->enable_list, &ctx->enable_list);
    700 		}
    701 		LIST_ADDTAIL(&block->list,&ctx->dirty);
    702 
    703 		if (block->flags & REG_FLAG_FLUSH_CHANGE) {
    704 			r600_context_ps_partial_flush(ctx);
    705 		}
    706 	}
    707 }
    708 
    709 /**
    710  * If reg needs a reloc, this function will add it to its block's reloc list.
    711  * @return true if reg needs a reloc, false otherwise
    712  */
    713 static bool r600_reg_set_block_reloc(struct r600_pipe_reg *reg)
    714 {
    715 	unsigned reloc_id;
    716 
    717 	if (!reg->block->pm4_bo_index[reg->id]) {
    718 		return false;
    719 	}
    720 	/* find relocation */
    721 	reloc_id = reg->block->pm4_bo_index[reg->id];
    722 	pipe_resource_reference(
    723 		(struct pipe_resource**)&reg->block->reloc[reloc_id].bo,
    724 		&reg->bo->b.b);
    725 	reg->block->reloc[reloc_id].bo_usage = reg->bo_usage;
    726 	return true;
    727 }
    728 
    729 /**
    730  * This function will emit all the registers in state directly to the command
    731  * stream allowing you to bypass the r600_context dirty list.
    732  *
    733  * This is used for dispatching compute shaders to avoid mixing compute and
    734  * 3D states in the context's dirty list.
    735  *
    736  * @param pkt_flags Should be either 0 or RADEON_CP_PACKET3_COMPUTE_MODE.  This
    737  * value will be passed on to r600_context_block_emit_dirty an or'd against
    738  * the PKT3 headers.
    739  */
    740 void r600_context_pipe_state_emit(struct r600_context *ctx,
    741                           struct r600_pipe_state *state,
    742                           unsigned pkt_flags)
    743 {
    744 	unsigned i;
    745 
    746 	/* Mark all blocks as dirty:
    747 	 * Since two registers can be in the same block, we need to make sure
    748 	 * we mark all the blocks dirty before we emit any of them.  If we were
    749 	 * to mark blocks dirty and emit them in the same loop, like this:
    750 	 *
    751 	 * foreach (reg in state->regs) {
    752 	 *     mark_dirty(reg->block)
    753 	 *     emit_block(reg->block)
    754 	 * }
    755 	 *
    756 	 * Then if we have two registers in this state that are in the same
    757 	 * block, we would end up emitting that block twice.
    758 	 */
    759 	for (i = 0; i < state->nregs; i++) {
    760 		struct r600_pipe_reg *reg = &state->regs[i];
    761 		/* Mark all the registers in the block as dirty */
    762 		reg->block->nreg_dirty = reg->block->nreg;
    763 		reg->block->status |= R600_BLOCK_STATUS_DIRTY;
    764 		/* Update the reloc for this register if necessary. */
    765 		r600_reg_set_block_reloc(reg);
    766 	}
    767 
    768 	/* Emit the registers writes */
    769 	for (i = 0; i < state->nregs; i++) {
    770 		struct r600_pipe_reg *reg = &state->regs[i];
    771 		if (reg->block->status & R600_BLOCK_STATUS_DIRTY) {
    772 			r600_context_block_emit_dirty(ctx, reg->block, pkt_flags);
    773 		}
    774 	}
    775 }
    776 
    777 void r600_context_pipe_state_set(struct r600_context *ctx, struct r600_pipe_state *state)
    778 {
    779 	struct r600_block *block;
    780 	int dirty;
    781 	for (int i = 0; i < state->nregs; i++) {
    782 		unsigned id;
    783 		struct r600_pipe_reg *reg = &state->regs[i];
    784 
    785 		block = reg->block;
    786 		id = reg->id;
    787 
    788 		dirty = block->status & R600_BLOCK_STATUS_DIRTY;
    789 
    790 		if (reg->value != block->reg[id]) {
    791 			block->reg[id] = reg->value;
    792 			dirty |= R600_BLOCK_STATUS_DIRTY;
    793 		}
    794 		if (block->flags & REG_FLAG_DIRTY_ALWAYS)
    795 			dirty |= R600_BLOCK_STATUS_DIRTY;
    796 		if (r600_reg_set_block_reloc(reg)) {
    797 			/* always force dirty for relocs for now */
    798 			dirty |= R600_BLOCK_STATUS_DIRTY;
    799 		}
    800 
    801 		if (dirty)
    802 			r600_context_dirty_block(ctx, block, dirty, id);
    803 	}
    804 }
    805 
    806 /**
    807  * @param pkt_flags should be set to RADEON_CP_PACKET3_COMPUTE_MODE if this
    808  * block will be used for compute shaders.
    809  */
    810 void r600_context_block_emit_dirty(struct r600_context *ctx, struct r600_block *block,
    811 	unsigned pkt_flags)
    812 {
    813 	struct radeon_winsys_cs *cs = ctx->cs;
    814 	int optional = block->nbo == 0 && !(block->flags & REG_FLAG_DIRTY_ALWAYS);
    815 	int cp_dwords = block->pm4_ndwords, start_dword = 0;
    816 	int new_dwords = 0;
    817 	int nbo = block->nbo;
    818 
    819 	if (block->nreg_dirty == 0 && optional) {
    820 		goto out;
    821 	}
    822 
    823 	if (nbo) {
    824 		for (int j = 0; j < block->nreg; j++) {
    825 			if (block->pm4_bo_index[j]) {
    826 				/* find relocation */
    827 				struct r600_block_reloc *reloc = &block->reloc[block->pm4_bo_index[j]];
    828 				if (reloc->bo) {
    829 					block->pm4[reloc->bo_pm4_index] =
    830 							r600_context_bo_reloc(ctx, reloc->bo, reloc->bo_usage);
    831 				} else {
    832 					block->pm4[reloc->bo_pm4_index] = 0;
    833 				}
    834 				nbo--;
    835 				if (nbo == 0)
    836 					break;
    837 
    838 			}
    839 		}
    840 	}
    841 
    842 	optional &= (block->nreg_dirty != block->nreg);
    843 	if (optional) {
    844 		new_dwords = block->nreg_dirty;
    845 		start_dword = cs->cdw;
    846 		cp_dwords = new_dwords + 2;
    847 	}
    848 	memcpy(&cs->buf[cs->cdw], block->pm4, cp_dwords * 4);
    849 
    850 	/* We are applying the pkt_flags after copying the register block to
    851 	 * the the command stream, because it is possible this block will be
    852 	 * emitted with a different pkt_flags, and we don't want to store the
    853 	 * pkt_flags in the block.
    854 	 */
    855 	cs->buf[cs->cdw] |= pkt_flags;
    856 	cs->cdw += cp_dwords;
    857 
    858 	if (optional) {
    859 		uint32_t newword;
    860 
    861 		newword = cs->buf[start_dword];
    862 		newword &= PKT_COUNT_C;
    863 		newword |= PKT_COUNT_S(new_dwords);
    864 		cs->buf[start_dword] = newword;
    865 	}
    866 out:
    867 	block->status ^= R600_BLOCK_STATUS_DIRTY;
    868 	block->nreg_dirty = 0;
    869 	LIST_DELINIT(&block->list);
    870 }
    871 
    872 void r600_inval_shader_cache(struct r600_context *ctx)
    873 {
    874 	ctx->surface_sync_cmd.flush_flags |= S_0085F0_SH_ACTION_ENA(1);
    875 	r600_atom_dirty(ctx, &ctx->surface_sync_cmd.atom);
    876 }
    877 
    878 void r600_inval_texture_cache(struct r600_context *ctx)
    879 {
    880 	ctx->surface_sync_cmd.flush_flags |= S_0085F0_TC_ACTION_ENA(1);
    881 	r600_atom_dirty(ctx, &ctx->surface_sync_cmd.atom);
    882 }
    883 
    884 void r600_inval_vertex_cache(struct r600_context *ctx)
    885 {
    886 	if (ctx->has_vertex_cache) {
    887 		ctx->surface_sync_cmd.flush_flags |= S_0085F0_VC_ACTION_ENA(1);
    888 	} else {
    889 		/* Some GPUs don't have the vertex cache and must use the texture cache instead. */
    890 		ctx->surface_sync_cmd.flush_flags |= S_0085F0_TC_ACTION_ENA(1);
    891 	}
    892 	r600_atom_dirty(ctx, &ctx->surface_sync_cmd.atom);
    893 }
    894 
    895 void r600_flush_framebuffer(struct r600_context *ctx, bool flush_now)
    896 {
    897 	if (!(ctx->flags & R600_CONTEXT_DST_CACHES_DIRTY))
    898 		return;
    899 
    900 	ctx->surface_sync_cmd.flush_flags |=
    901 		r600_get_cb_flush_flags(ctx) |
    902 		(ctx->framebuffer.zsbuf ? S_0085F0_DB_ACTION_ENA(1) | S_0085F0_DB_DEST_BASE_ENA(1) : 0);
    903 
    904 	if (flush_now) {
    905 		r600_emit_atom(ctx, &ctx->surface_sync_cmd.atom);
    906 	} else {
    907 		r600_atom_dirty(ctx, &ctx->surface_sync_cmd.atom);
    908 	}
    909 
    910 	/* Also add a complete cache flush to work around broken flushing on R6xx. */
    911 	if (ctx->chip_class == R600) {
    912 		if (flush_now) {
    913 			r600_emit_atom(ctx, &ctx->r6xx_flush_and_inv_cmd);
    914 		} else {
    915 			r600_atom_dirty(ctx, &ctx->r6xx_flush_and_inv_cmd);
    916 		}
    917 	}
    918 
    919 	ctx->flags &= ~R600_CONTEXT_DST_CACHES_DIRTY;
    920 }
    921 
    922 void r600_context_flush(struct r600_context *ctx, unsigned flags)
    923 {
    924 	struct radeon_winsys_cs *cs = ctx->cs;
    925 	struct r600_block *enable_block = NULL;
    926 	bool timer_queries_suspended = false;
    927 	bool nontimer_queries_suspended = false;
    928 	bool streamout_suspended = false;
    929 
    930 	if (cs->cdw == ctx->start_cs_cmd.atom.num_dw)
    931 		return;
    932 
    933 	/* suspend queries */
    934 	if (ctx->num_cs_dw_timer_queries_suspend) {
    935 		r600_suspend_timer_queries(ctx);
    936 		timer_queries_suspended = true;
    937 	}
    938 	if (ctx->num_cs_dw_nontimer_queries_suspend) {
    939 		r600_suspend_nontimer_queries(ctx);
    940 		nontimer_queries_suspended = true;
    941 	}
    942 
    943 	if (ctx->num_cs_dw_streamout_end) {
    944 		r600_context_streamout_end(ctx);
    945 		streamout_suspended = true;
    946 	}
    947 
    948 	r600_flush_framebuffer(ctx, true);
    949 
    950 	/* partial flush is needed to avoid lockups on some chips with user fences */
    951 	r600_context_ps_partial_flush(ctx);
    952 
    953 	/* old kernels and userspace don't set SX_MISC, so we must reset it to 0 here */
    954 	if (ctx->chip_class <= R700) {
    955 		r600_write_context_reg(cs, R_028350_SX_MISC, 0);
    956 	}
    957 
    958 	/* force to keep tiling flags */
    959 	flags |= RADEON_FLUSH_KEEP_TILING_FLAGS;
    960 
    961 	/* Flush the CS. */
    962 	ctx->ws->cs_flush(ctx->cs, flags);
    963 
    964 	ctx->pm4_dirty_cdwords = 0;
    965 	ctx->flags = 0;
    966 	ctx->gtt = 0;
    967 	ctx->vram = 0;
    968 
    969 	/* Begin a new CS. */
    970 	r600_emit_atom(ctx, &ctx->start_cs_cmd.atom);
    971 
    972 	/* Invalidate caches. */
    973 	r600_inval_texture_cache(ctx);
    974 	r600_flush_framebuffer(ctx, false);
    975 
    976 	/* Re-emit states. */
    977 	r600_atom_dirty(ctx, &ctx->alphatest_state.atom);
    978 	r600_atom_dirty(ctx, &ctx->cb_misc_state.atom);
    979 	r600_atom_dirty(ctx, &ctx->db_misc_state.atom);
    980 	/* reemit sampler, will only matter if atom_sampler.num_dw != 0 */
    981 	r600_atom_dirty(ctx, &ctx->vs_samplers.atom_sampler);
    982 	r600_atom_dirty(ctx, &ctx->ps_samplers.atom_sampler);
    983 	if (ctx->chip_class <= R700) {
    984 		r600_atom_dirty(ctx, &ctx->seamless_cube_map.atom);
    985 	}
    986 	r600_atom_dirty(ctx, &ctx->sample_mask.atom);
    987 
    988 	ctx->vertex_buffer_state.dirty_mask = ctx->vertex_buffer_state.enabled_mask;
    989 	r600_vertex_buffers_dirty(ctx);
    990 
    991 	ctx->vs_constbuf_state.dirty_mask = ctx->vs_constbuf_state.enabled_mask;
    992 	ctx->ps_constbuf_state.dirty_mask = ctx->ps_constbuf_state.enabled_mask;
    993 	r600_constant_buffers_dirty(ctx, &ctx->vs_constbuf_state);
    994 	r600_constant_buffers_dirty(ctx, &ctx->ps_constbuf_state);
    995 
    996 	ctx->vs_samplers.views.dirty_mask = ctx->vs_samplers.views.enabled_mask;
    997 	ctx->ps_samplers.views.dirty_mask = ctx->ps_samplers.views.enabled_mask;
    998 	r600_sampler_views_dirty(ctx, &ctx->vs_samplers.views);
    999 	r600_sampler_views_dirty(ctx, &ctx->ps_samplers.views);
   1000 
   1001 	if (streamout_suspended) {
   1002 		ctx->streamout_start = TRUE;
   1003 		ctx->streamout_append_bitmask = ~0;
   1004 	}
   1005 
   1006 	/* resume queries */
   1007 	if (timer_queries_suspended) {
   1008 		r600_resume_timer_queries(ctx);
   1009 	}
   1010 	if (nontimer_queries_suspended) {
   1011 		r600_resume_nontimer_queries(ctx);
   1012 	}
   1013 
   1014 	/* set all valid group as dirty so they get reemited on
   1015 	 * next draw command
   1016 	 */
   1017 	LIST_FOR_EACH_ENTRY(enable_block, &ctx->enable_list, enable_list) {
   1018 		if(!(enable_block->status & R600_BLOCK_STATUS_DIRTY)) {
   1019 			LIST_ADDTAIL(&enable_block->list,&ctx->dirty);
   1020 			enable_block->status |= R600_BLOCK_STATUS_DIRTY;
   1021 		}
   1022 		ctx->pm4_dirty_cdwords += enable_block->pm4_ndwords;
   1023 		enable_block->nreg_dirty = enable_block->nreg;
   1024 	}
   1025 }
   1026 
   1027 void r600_context_emit_fence(struct r600_context *ctx, struct r600_resource *fence_bo, unsigned offset, unsigned value)
   1028 {
   1029 	struct radeon_winsys_cs *cs = ctx->cs;
   1030 	uint64_t va;
   1031 
   1032 	r600_need_cs_space(ctx, 10, FALSE);
   1033 
   1034 	va = r600_resource_va(&ctx->screen->screen, (void*)fence_bo);
   1035 	va = va + (offset << 2);
   1036 
   1037 	r600_context_ps_partial_flush(ctx);
   1038 	cs->buf[cs->cdw++] = PKT3(PKT3_EVENT_WRITE_EOP, 4, 0);
   1039 	cs->buf[cs->cdw++] = EVENT_TYPE(EVENT_TYPE_CACHE_FLUSH_AND_INV_TS_EVENT) | EVENT_INDEX(5);
   1040 	cs->buf[cs->cdw++] = va & 0xFFFFFFFFUL;       /* ADDRESS_LO */
   1041 	/* DATA_SEL | INT_EN | ADDRESS_HI */
   1042 	cs->buf[cs->cdw++] = (1 << 29) | (0 << 24) | ((va >> 32UL) & 0xFF);
   1043 	cs->buf[cs->cdw++] = value;                   /* DATA_LO */
   1044 	cs->buf[cs->cdw++] = 0;                       /* DATA_HI */
   1045 	cs->buf[cs->cdw++] = PKT3(PKT3_NOP, 0, 0);
   1046 	cs->buf[cs->cdw++] = r600_context_bo_reloc(ctx, fence_bo, RADEON_USAGE_WRITE);
   1047 }
   1048 
   1049 static void r600_flush_vgt_streamout(struct r600_context *ctx)
   1050 {
   1051 	struct radeon_winsys_cs *cs = ctx->cs;
   1052 
   1053 	cs->buf[cs->cdw++] = PKT3(PKT3_SET_CONFIG_REG, 1, 0);
   1054 	cs->buf[cs->cdw++] = (R_008490_CP_STRMOUT_CNTL - R600_CONFIG_REG_OFFSET) >> 2;
   1055 	cs->buf[cs->cdw++] = 0;
   1056 
   1057 	cs->buf[cs->cdw++] = PKT3(PKT3_EVENT_WRITE, 0, 0);
   1058 	cs->buf[cs->cdw++] = EVENT_TYPE(EVENT_TYPE_SO_VGTSTREAMOUT_FLUSH) | EVENT_INDEX(0);
   1059 
   1060 	cs->buf[cs->cdw++] = PKT3(PKT3_WAIT_REG_MEM, 5, 0);
   1061 	cs->buf[cs->cdw++] = WAIT_REG_MEM_EQUAL; /* wait until the register is equal to the reference value */
   1062 	cs->buf[cs->cdw++] = R_008490_CP_STRMOUT_CNTL >> 2;  /* register */
   1063 	cs->buf[cs->cdw++] = 0;
   1064 	cs->buf[cs->cdw++] = S_008490_OFFSET_UPDATE_DONE(1); /* reference value */
   1065 	cs->buf[cs->cdw++] = S_008490_OFFSET_UPDATE_DONE(1); /* mask */
   1066 	cs->buf[cs->cdw++] = 4; /* poll interval */
   1067 }
   1068 
   1069 static void r600_set_streamout_enable(struct r600_context *ctx, unsigned buffer_enable_bit)
   1070 {
   1071 	struct radeon_winsys_cs *cs = ctx->cs;
   1072 
   1073 	if (buffer_enable_bit) {
   1074 		cs->buf[cs->cdw++] = PKT3(PKT3_SET_CONTEXT_REG, 1, 0);
   1075 		cs->buf[cs->cdw++] = (R_028AB0_VGT_STRMOUT_EN - R600_CONTEXT_REG_OFFSET) >> 2;
   1076 		cs->buf[cs->cdw++] = S_028AB0_STREAMOUT(1);
   1077 
   1078 		cs->buf[cs->cdw++] = PKT3(PKT3_SET_CONTEXT_REG, 1, 0);
   1079 		cs->buf[cs->cdw++] = (R_028B20_VGT_STRMOUT_BUFFER_EN - R600_CONTEXT_REG_OFFSET) >> 2;
   1080 		cs->buf[cs->cdw++] = buffer_enable_bit;
   1081 	} else {
   1082 		cs->buf[cs->cdw++] = PKT3(PKT3_SET_CONTEXT_REG, 1, 0);
   1083 		cs->buf[cs->cdw++] = (R_028AB0_VGT_STRMOUT_EN - R600_CONTEXT_REG_OFFSET) >> 2;
   1084 		cs->buf[cs->cdw++] = S_028AB0_STREAMOUT(0);
   1085 	}
   1086 }
   1087 
   1088 void r600_context_streamout_begin(struct r600_context *ctx)
   1089 {
   1090 	struct radeon_winsys_cs *cs = ctx->cs;
   1091 	struct r600_so_target **t = ctx->so_targets;
   1092 	unsigned *stride_in_dw = ctx->vs_shader->so.stride;
   1093 	unsigned buffer_en, i, update_flags = 0;
   1094 	uint64_t va;
   1095 	unsigned num_cs_dw_streamout_end;
   1096 
   1097 	buffer_en = (ctx->num_so_targets >= 1 && t[0] ? 1 : 0) |
   1098 		    (ctx->num_so_targets >= 2 && t[1] ? 2 : 0) |
   1099 		    (ctx->num_so_targets >= 3 && t[2] ? 4 : 0) |
   1100 		    (ctx->num_so_targets >= 4 && t[3] ? 8 : 0);
   1101 
   1102 	num_cs_dw_streamout_end =
   1103 		12 + /* flush_vgt_streamout */
   1104 		util_bitcount(buffer_en) * 8 + /* STRMOUT_BUFFER_UPDATE */
   1105 		3 /* set_streamout_enable(0) */;
   1106 
   1107 	r600_need_cs_space(ctx,
   1108 			   12 + /* flush_vgt_streamout */
   1109 			   6 + /* set_streamout_enable */
   1110 			   util_bitcount(buffer_en) * 7 + /* SET_CONTEXT_REG */
   1111 			   (ctx->family >= CHIP_RS780 &&
   1112 			    ctx->family <= CHIP_RV740 ? util_bitcount(buffer_en) * 5 : 0) + /* STRMOUT_BASE_UPDATE */
   1113 			   util_bitcount(buffer_en & ctx->streamout_append_bitmask) * 8 + /* STRMOUT_BUFFER_UPDATE */
   1114 			   util_bitcount(buffer_en & ~ctx->streamout_append_bitmask) * 6 + /* STRMOUT_BUFFER_UPDATE */
   1115 			   (ctx->family > CHIP_R600 && ctx->family < CHIP_RS780 ? 2 : 0) + /* SURFACE_BASE_UPDATE */
   1116 			   num_cs_dw_streamout_end, TRUE);
   1117 
   1118 	/* This must be set after r600_need_cs_space. */
   1119 	ctx->num_cs_dw_streamout_end = num_cs_dw_streamout_end;
   1120 
   1121 	if (ctx->chip_class >= EVERGREEN) {
   1122 		evergreen_flush_vgt_streamout(ctx);
   1123 		evergreen_set_streamout_enable(ctx, buffer_en);
   1124 	} else {
   1125 		r600_flush_vgt_streamout(ctx);
   1126 		r600_set_streamout_enable(ctx, buffer_en);
   1127 	}
   1128 
   1129 	for (i = 0; i < ctx->num_so_targets; i++) {
   1130 		if (t[i]) {
   1131 			t[i]->stride_in_dw = stride_in_dw[i];
   1132 			t[i]->so_index = i;
   1133 			va = r600_resource_va(&ctx->screen->screen,
   1134 					      (void*)t[i]->b.buffer);
   1135 
   1136 			update_flags |= SURFACE_BASE_UPDATE_STRMOUT(i);
   1137 
   1138 			cs->buf[cs->cdw++] = PKT3(PKT3_SET_CONTEXT_REG, 3, 0);
   1139 			cs->buf[cs->cdw++] = (R_028AD0_VGT_STRMOUT_BUFFER_SIZE_0 +
   1140 							16*i - R600_CONTEXT_REG_OFFSET) >> 2;
   1141 			cs->buf[cs->cdw++] = (t[i]->b.buffer_offset +
   1142 							t[i]->b.buffer_size) >> 2; /* BUFFER_SIZE (in DW) */
   1143 			cs->buf[cs->cdw++] = stride_in_dw[i];		   /* VTX_STRIDE (in DW) */
   1144 			cs->buf[cs->cdw++] = va >> 8;			   /* BUFFER_BASE */
   1145 
   1146 			cs->buf[cs->cdw++] = PKT3(PKT3_NOP, 0, 0);
   1147 			cs->buf[cs->cdw++] =
   1148 				r600_context_bo_reloc(ctx, r600_resource(t[i]->b.buffer),
   1149 						      RADEON_USAGE_WRITE);
   1150 
   1151 			/* R7xx requires this packet after updating BUFFER_BASE.
   1152 			 * Without this, R7xx locks up. */
   1153 			if (ctx->family >= CHIP_RS780 && ctx->family <= CHIP_RV740) {
   1154 				cs->buf[cs->cdw++] = PKT3(PKT3_STRMOUT_BASE_UPDATE, 1, 0);
   1155 				cs->buf[cs->cdw++] = i;
   1156 				cs->buf[cs->cdw++] = va >> 8;
   1157 
   1158 				cs->buf[cs->cdw++] = PKT3(PKT3_NOP, 0, 0);
   1159 				cs->buf[cs->cdw++] =
   1160 					r600_context_bo_reloc(ctx, r600_resource(t[i]->b.buffer),
   1161 							      RADEON_USAGE_WRITE);
   1162 			}
   1163 
   1164 			if (ctx->streamout_append_bitmask & (1 << i)) {
   1165 				va = r600_resource_va(&ctx->screen->screen,
   1166 						      (void*)t[i]->filled_size);
   1167 				/* Append. */
   1168 				cs->buf[cs->cdw++] = PKT3(PKT3_STRMOUT_BUFFER_UPDATE, 4, 0);
   1169 				cs->buf[cs->cdw++] = STRMOUT_SELECT_BUFFER(i) |
   1170 							       STRMOUT_OFFSET_SOURCE(STRMOUT_OFFSET_FROM_MEM); /* control */
   1171 				cs->buf[cs->cdw++] = 0; /* unused */
   1172 				cs->buf[cs->cdw++] = 0; /* unused */
   1173 				cs->buf[cs->cdw++] = va & 0xFFFFFFFFUL; /* src address lo */
   1174 				cs->buf[cs->cdw++] = (va >> 32UL) & 0xFFUL; /* src address hi */
   1175 
   1176 				cs->buf[cs->cdw++] = PKT3(PKT3_NOP, 0, 0);
   1177 				cs->buf[cs->cdw++] =
   1178 					r600_context_bo_reloc(ctx,  t[i]->filled_size,
   1179 							      RADEON_USAGE_READ);
   1180 			} else {
   1181 				/* Start from the beginning. */
   1182 				cs->buf[cs->cdw++] = PKT3(PKT3_STRMOUT_BUFFER_UPDATE, 4, 0);
   1183 				cs->buf[cs->cdw++] = STRMOUT_SELECT_BUFFER(i) |
   1184 							       STRMOUT_OFFSET_SOURCE(STRMOUT_OFFSET_FROM_PACKET); /* control */
   1185 				cs->buf[cs->cdw++] = 0; /* unused */
   1186 				cs->buf[cs->cdw++] = 0; /* unused */
   1187 				cs->buf[cs->cdw++] = t[i]->b.buffer_offset >> 2; /* buffer offset in DW */
   1188 				cs->buf[cs->cdw++] = 0; /* unused */
   1189 			}
   1190 		}
   1191 	}
   1192 
   1193 	if (ctx->family > CHIP_R600 && ctx->family < CHIP_RS780) {
   1194 		cs->buf[cs->cdw++] = PKT3(PKT3_SURFACE_BASE_UPDATE, 0, 0);
   1195 		cs->buf[cs->cdw++] = update_flags;
   1196 	}
   1197 }
   1198 
   1199 void r600_context_streamout_end(struct r600_context *ctx)
   1200 {
   1201 	struct radeon_winsys_cs *cs = ctx->cs;
   1202 	struct r600_so_target **t = ctx->so_targets;
   1203 	unsigned i, flush_flags = 0;
   1204 	uint64_t va;
   1205 
   1206 	if (ctx->chip_class >= EVERGREEN) {
   1207 		evergreen_flush_vgt_streamout(ctx);
   1208 	} else {
   1209 		r600_flush_vgt_streamout(ctx);
   1210 	}
   1211 
   1212 	for (i = 0; i < ctx->num_so_targets; i++) {
   1213 		if (t[i]) {
   1214 			va = r600_resource_va(&ctx->screen->screen,
   1215 					      (void*)t[i]->filled_size);
   1216 			cs->buf[cs->cdw++] = PKT3(PKT3_STRMOUT_BUFFER_UPDATE, 4, 0);
   1217 			cs->buf[cs->cdw++] = STRMOUT_SELECT_BUFFER(i) |
   1218 						       STRMOUT_OFFSET_SOURCE(STRMOUT_OFFSET_NONE) |
   1219 						       STRMOUT_STORE_BUFFER_FILLED_SIZE; /* control */
   1220 			cs->buf[cs->cdw++] = va & 0xFFFFFFFFUL;     /* dst address lo */
   1221 			cs->buf[cs->cdw++] = (va >> 32UL) & 0xFFUL; /* dst address hi */
   1222 			cs->buf[cs->cdw++] = 0; /* unused */
   1223 			cs->buf[cs->cdw++] = 0; /* unused */
   1224 
   1225 			cs->buf[cs->cdw++] = PKT3(PKT3_NOP, 0, 0);
   1226 			cs->buf[cs->cdw++] =
   1227 				r600_context_bo_reloc(ctx,  t[i]->filled_size,
   1228 						      RADEON_USAGE_WRITE);
   1229 
   1230 			flush_flags |= S_0085F0_SO0_DEST_BASE_ENA(1) << i;
   1231 		}
   1232 	}
   1233 
   1234 	if (ctx->chip_class >= EVERGREEN) {
   1235 		evergreen_set_streamout_enable(ctx, 0);
   1236 	} else {
   1237 		r600_set_streamout_enable(ctx, 0);
   1238 	}
   1239 
   1240 	/* This is needed to fix cache flushes on r600. */
   1241 	if (ctx->chip_class == R600) {
   1242 		if (ctx->family == CHIP_RV670 ||
   1243 		    ctx->family == CHIP_RS780 ||
   1244 		    ctx->family == CHIP_RS880) {
   1245 			flush_flags |= S_0085F0_DEST_BASE_0_ENA(1);
   1246 		}
   1247 
   1248 		r600_atom_dirty(ctx, &ctx->r6xx_flush_and_inv_cmd);
   1249 	}
   1250 
   1251 	/* Flush streamout caches. */
   1252 	ctx->surface_sync_cmd.flush_flags |=
   1253 		S_0085F0_SMX_ACTION_ENA(1) | flush_flags;
   1254 	r600_atom_dirty(ctx, &ctx->surface_sync_cmd.atom);
   1255 
   1256 	ctx->num_cs_dw_streamout_end = 0;
   1257 }
   1258