void r600_flush_emit(struct r600_context *rctx)
{
struct radeon_winsys_cs *cs = rctx->b.gfx.cs;
unsigned cp_coher_cntl = 0;
unsigned wait_until = 0;
if (!rctx->b.flags) {
return;
}
if (rctx->b.flags & R600_CONTEXT_WAIT_3D_IDLE) {
wait_until |= S_008040_WAIT_3D_IDLE(1);
}
if (rctx->b.flags & R600_CONTEXT_WAIT_CP_DMA_IDLE) {
wait_until |= S_008040_WAIT_CP_DMA_IDLE(1);
}
if (wait_until) {
/* Use of WAIT_UNTIL is deprecated on Cayman+ */
if (rctx->b.family >= CHIP_CAYMAN) {
/* emit a PS partial flush on Cayman/TN */
rctx->b.flags |= R600_CONTEXT_PS_PARTIAL_FLUSH;
}
}
if (rctx->b.flags & R600_CONTEXT_PS_PARTIAL_FLUSH) {
cs->buf[cs->cdw++] = PKT3(PKT3_EVENT_WRITE, 0, 0);
cs->buf[cs->cdw++] = EVENT_TYPE(EVENT_TYPE_PS_PARTIAL_FLUSH) | EVENT_INDEX(4);
}
if (rctx->b.chip_class >= R700 &&
(rctx->b.flags & R600_CONTEXT_FLUSH_AND_INV_CB_META)) {
cs->buf[cs->cdw++] = PKT3(PKT3_EVENT_WRITE, 0, 0);
cs->buf[cs->cdw++] = EVENT_TYPE(EVENT_TYPE_FLUSH_AND_INV_CB_META) | EVENT_INDEX(0);
}
if (rctx->b.chip_class >= R700 &&
(rctx->b.flags & R600_CONTEXT_FLUSH_AND_INV_DB_META)) {
cs->buf[cs->cdw++] = PKT3(PKT3_EVENT_WRITE, 0, 0);
cs->buf[cs->cdw++] = EVENT_TYPE(EVENT_TYPE_FLUSH_AND_INV_DB_META) | EVENT_INDEX(0);
/* Set FULL_CACHE_ENA for DB META flushes on r7xx and later.
*
* This hack predates use of FLUSH_AND_INV_DB_META, so it's
* unclear whether it's still needed or even whether it has
* any effect.
*/
cp_coher_cntl |= S_0085F0_FULL_CACHE_ENA(1);
}
if (rctx->b.flags & R600_CONTEXT_FLUSH_AND_INV ||
(rctx->b.chip_class == R600 && rctx->b.flags & R600_CONTEXT_STREAMOUT_FLUSH)) {
cs->buf[cs->cdw++] = PKT3(PKT3_EVENT_WRITE, 0, 0);
cs->buf[cs->cdw++] = EVENT_TYPE(EVENT_TYPE_CACHE_FLUSH_AND_INV_EVENT) | EVENT_INDEX(0);
}
if (rctx->b.flags & R600_CONTEXT_INV_CONST_CACHE) {
/* Direct constant addressing uses the shader cache.
* Indirect contant addressing uses the vertex cache. */
cp_coher_cntl |= S_0085F0_SH_ACTION_ENA(1) |
(rctx->has_vertex_cache ? S_0085F0_VC_ACTION_ENA(1)
: S_0085F0_TC_ACTION_ENA(1));
}
if (rctx->b.flags & R600_CONTEXT_INV_VERTEX_CACHE) {
cp_coher_cntl |= rctx->has_vertex_cache ? S_0085F0_VC_ACTION_ENA(1)
: S_0085F0_TC_ACTION_ENA(1);
}
if (rctx->b.flags & R600_CONTEXT_INV_TEX_CACHE) {
/* Textures use the texture cache.
* Texture buffer objects use the vertex cache. */
cp_coher_cntl |= S_0085F0_TC_ACTION_ENA(1) |
(rctx->has_vertex_cache ? S_0085F0_VC_ACTION_ENA(1) : 0);
}
/* Don't use the DB CP COHER logic on r6xx.
* There are hw bugs.
*/
if (rctx->b.chip_class >= R700 &&
(rctx->b.flags & R600_CONTEXT_FLUSH_AND_INV_DB)) {
cp_coher_cntl |= S_0085F0_DB_ACTION_ENA(1) |
S_0085F0_DB_DEST_BASE_ENA(1) |
S_0085F0_SMX_ACTION_ENA(1);
}
/* Don't use the CB CP COHER logic on r6xx.
* There are hw bugs.
*/
if (rctx->b.chip_class >= R700 &&
(rctx->b.flags & R600_CONTEXT_FLUSH_AND_INV_CB)) {
cp_coher_cntl |= S_0085F0_CB_ACTION_ENA(1) |
S_0085F0_CB0_DEST_BASE_ENA(1) |
S_0085F0_CB1_DEST_BASE_ENA(1) |
S_0085F0_CB2_DEST_BASE_ENA(1) |
S_0085F0_CB3_DEST_BASE_ENA(1) |
S_0085F0_CB4_DEST_BASE_ENA(1) |
S_0085F0_CB5_DEST_BASE_ENA(1) |
S_0085F0_CB6_DEST_BASE_ENA(1) |
S_0085F0_CB7_DEST_BASE_ENA(1) |
S_0085F0_SMX_ACTION_ENA(1);
if (rctx->b.chip_class >= EVERGREEN)
cp_coher_cntl |= S_0085F0_CB8_DEST_BASE_ENA(1) |
S_0085F0_CB9_DEST_BASE_ENA(1) |
S_0085F0_CB10_DEST_BASE_ENA(1) |
S_0085F0_CB11_DEST_BASE_ENA(1);
}
if (rctx->b.chip_class >= R700 &&
rctx->b.flags & R600_CONTEXT_STREAMOUT_FLUSH) {
cp_coher_cntl |= S_0085F0_SO0_DEST_BASE_ENA(1) |
S_0085F0_SO1_DEST_BASE_ENA(1) |
S_0085F0_SO2_DEST_BASE_ENA(1) |
S_0085F0_SO3_DEST_BASE_ENA(1) |
S_0085F0_SMX_ACTION_ENA(1);
}
/* Workaround for buggy flushing on some R6xx chipsets. */
if ((rctx->b.flags & (R600_CONTEXT_FLUSH_AND_INV |
R600_CONTEXT_STREAMOUT_FLUSH)) &&
(rctx->b.family == CHIP_RV670 ||
rctx->b.family == CHIP_RS780 ||
rctx->b.family == CHIP_RS880)) {
cp_coher_cntl |= S_0085F0_CB1_DEST_BASE_ENA(1) |
S_0085F0_DEST_BASE_0_ENA(1);
}
if (cp_coher_cntl) {
cs->buf[cs->cdw++] = PKT3(PKT3_SURFACE_SYNC, 3, 0);
cs->buf[cs->cdw++] = cp_coher_cntl; /* CP_COHER_CNTL */
cs->buf[cs->cdw++] = 0xffffffff; /* CP_COHER_SIZE */
cs->buf[cs->cdw++] = 0; /* CP_COHER_BASE */
cs->buf[cs->cdw++] = 0x0000000A; /* POLL_INTERVAL */
}
if (wait_until) {
/* Use of WAIT_UNTIL is deprecated on Cayman+ */
if (rctx->b.family < CHIP_CAYMAN) {
/* wait for things to settle */
radeon_set_config_reg(cs, R_008040_WAIT_UNTIL, wait_until);
}
}
/* everything is properly flushed */
rctx->b.flags = 0;
}
void
si_emit_cache_flush(struct radv_cmd_buffer *cmd_buffer)
{
enum chip_class chip_class = cmd_buffer->device->instance->physicalDevice.rad_info.chip_class;
unsigned cp_coher_cntl = 0;
radeon_check_space(cmd_buffer->device->ws, cmd_buffer->cs, 128);
if (cmd_buffer->state.flush_bits & RADV_CMD_FLAG_INV_ICACHE)
cp_coher_cntl |= S_0085F0_SH_ICACHE_ACTION_ENA(1);
if (cmd_buffer->state.flush_bits & RADV_CMD_FLAG_INV_SMEM_L1)
cp_coher_cntl |= S_0085F0_SH_KCACHE_ACTION_ENA(1);
if (cmd_buffer->state.flush_bits & RADV_CMD_FLAG_INV_VMEM_L1)
cp_coher_cntl |= S_0085F0_TCL1_ACTION_ENA(1);
if (cmd_buffer->state.flush_bits & RADV_CMD_FLAG_INV_GLOBAL_L2) {
cp_coher_cntl |= S_0085F0_TC_ACTION_ENA(1);
if (chip_class >= VI)
cp_coher_cntl |= S_0301F0_TC_WB_ACTION_ENA(1);
}
if (cmd_buffer->state.flush_bits & RADV_CMD_FLAG_FLUSH_AND_INV_CB) {
cp_coher_cntl |= S_0085F0_CB_ACTION_ENA(1) |
S_0085F0_CB0_DEST_BASE_ENA(1) |
S_0085F0_CB1_DEST_BASE_ENA(1) |
S_0085F0_CB2_DEST_BASE_ENA(1) |
S_0085F0_CB3_DEST_BASE_ENA(1) |
S_0085F0_CB4_DEST_BASE_ENA(1) |
S_0085F0_CB5_DEST_BASE_ENA(1) |
S_0085F0_CB6_DEST_BASE_ENA(1) |
S_0085F0_CB7_DEST_BASE_ENA(1);
/* Necessary for DCC */
if (cmd_buffer->device->instance->physicalDevice.rad_info.chip_class >= VI) {
radeon_emit(cmd_buffer->cs, PKT3(PKT3_EVENT_WRITE_EOP, 4, 0));
radeon_emit(cmd_buffer->cs, EVENT_TYPE(V_028A90_FLUSH_AND_INV_CB_DATA_TS) |
EVENT_INDEX(5));
radeon_emit(cmd_buffer->cs, 0);
radeon_emit(cmd_buffer->cs, 0);
radeon_emit(cmd_buffer->cs, 0);
radeon_emit(cmd_buffer->cs, 0);
}
}
if (cmd_buffer->state.flush_bits & RADV_CMD_FLAG_FLUSH_AND_INV_DB) {
cp_coher_cntl |= S_0085F0_DB_ACTION_ENA(1) |
S_0085F0_DB_DEST_BASE_ENA(1);
}
if (cmd_buffer->state.flush_bits & RADV_CMD_FLAG_FLUSH_AND_INV_CB_META) {
radeon_emit(cmd_buffer->cs, PKT3(PKT3_EVENT_WRITE, 0, 0));
radeon_emit(cmd_buffer->cs, EVENT_TYPE(V_028A90_FLUSH_AND_INV_CB_META) | EVENT_INDEX(0));
}
if (cmd_buffer->state.flush_bits & RADV_CMD_FLAG_FLUSH_AND_INV_DB_META) {
radeon_emit(cmd_buffer->cs, PKT3(PKT3_EVENT_WRITE, 0, 0));
radeon_emit(cmd_buffer->cs, EVENT_TYPE(V_028A90_FLUSH_AND_INV_DB_META) | EVENT_INDEX(0));
}
if (!(cmd_buffer->state.flush_bits & (RADV_CMD_FLAG_FLUSH_AND_INV_CB |
RADV_CMD_FLAG_FLUSH_AND_INV_DB))) {
if (cmd_buffer->state.flush_bits & RADV_CMD_FLAG_PS_PARTIAL_FLUSH) {
radeon_emit(cmd_buffer->cs, PKT3(PKT3_EVENT_WRITE, 0, 0));
radeon_emit(cmd_buffer->cs, EVENT_TYPE(V_028A90_PS_PARTIAL_FLUSH) | EVENT_INDEX(4));
} else if (cmd_buffer->state.flush_bits & RADV_CMD_FLAG_VS_PARTIAL_FLUSH) {
radeon_emit(cmd_buffer->cs, PKT3(PKT3_EVENT_WRITE, 0, 0));
radeon_emit(cmd_buffer->cs, EVENT_TYPE(V_028A90_VS_PARTIAL_FLUSH) | EVENT_INDEX(4));
}
}
if (cmd_buffer->state.flush_bits & RADV_CMD_FLAG_CS_PARTIAL_FLUSH) {
radeon_emit(cmd_buffer->cs, PKT3(PKT3_EVENT_WRITE, 0, 0));
radeon_emit(cmd_buffer->cs, EVENT_TYPE(V_028A90_CS_PARTIAL_FLUSH) | EVENT_INDEX(4));
}
/* VGT state sync */
if (cmd_buffer->state.flush_bits & RADV_CMD_FLAG_VGT_FLUSH) {
radeon_emit(cmd_buffer->cs, PKT3(PKT3_EVENT_WRITE, 0, 0));
radeon_emit(cmd_buffer->cs, EVENT_TYPE(V_028A90_VGT_FLUSH) | EVENT_INDEX(0));
}
/* Make sure ME is idle (it executes most packets) before continuing.
* This prevents read-after-write hazards between PFP and ME.
*/
if (cp_coher_cntl || (cmd_buffer->state.flush_bits & RADV_CMD_FLAG_CS_PARTIAL_FLUSH)) {
radeon_emit(cmd_buffer->cs, PKT3(PKT3_PFP_SYNC_ME, 0, 0));
radeon_emit(cmd_buffer->cs, 0);
}
/* When one of the DEST_BASE flags is set, SURFACE_SYNC waits for idle.
* Therefore, it should be last. Done in PFP.
*/
if (cp_coher_cntl) {
/* ACQUIRE_MEM is only required on a compute ring. */
radeon_emit(cmd_buffer->cs, PKT3(PKT3_SURFACE_SYNC, 3, 0));
radeon_emit(cmd_buffer->cs, cp_coher_cntl); /* CP_COHER_CNTL */
radeon_emit(cmd_buffer->cs, 0xffffffff); /* CP_COHER_SIZE */
radeon_emit(cmd_buffer->cs, 0); /* CP_COHER_BASE */
radeon_emit(cmd_buffer->cs, 0x0000000A); /* POLL_INTERVAL */
}
cmd_buffer->state.flush_bits = 0;
}