}
}
+static void
+gfx10_cs_emit_cache_flush(struct radeon_cmdbuf *cs,
+ enum chip_class chip_class,
+ uint32_t *flush_cnt,
+ uint64_t flush_va,
+ bool is_mec,
+ enum radv_cmd_flush_bits flush_bits,
+ uint64_t gfx9_eop_bug_va)
+{
+ uint32_t gcr_cntl = 0;
+ unsigned cb_db_event = 0;
+
+ /* We don't need these. */
+ assert(!(flush_bits & (RADV_CMD_FLAG_VGT_FLUSH |
+ RADV_CMD_FLAG_VGT_STREAMOUT_SYNC)));
+
+ if (flush_bits & RADV_CMD_FLAG_INV_ICACHE)
+ gcr_cntl |= S_586_GLI_INV(V_586_GLI_ALL);
+ if (flush_bits & RADV_CMD_FLAG_INV_SCACHE) {
+ /* TODO: When writing to the SMEM L1 cache, we need to set SEQ
+ * to FORWARD when both L1 and L2 are written out (WB or INV).
+ */
+ gcr_cntl |= S_586_GL1_INV(1) | S_586_GLK_INV(1);
+ }
+ if (flush_bits & RADV_CMD_FLAG_INV_VCACHE)
+ gcr_cntl |= S_586_GL1_INV(1) | S_586_GLV_INV(1);
+ if (flush_bits & RADV_CMD_FLAG_INV_L2) {
+ /* Writeback and invalidate everything in L2. */
+ gcr_cntl |= S_586_GL2_INV(1) | S_586_GLM_INV(1);
+ } else if (flush_bits & RADV_CMD_FLAG_WB_L2) {
+ /* Writeback but do not invalidate. */
+ gcr_cntl |= S_586_GL2_WB(1);
+ }
+
+ /* TODO: Implement this new flag for GFX9+.
+ if (flush_bits & RADV_CMD_FLAG_INV_L2_METADATA)
+ gcr_cntl |= S_586_GLM_INV(1);
+ */
+
+ if (flush_bits & (RADV_CMD_FLAG_FLUSH_AND_INV_CB | RADV_CMD_FLAG_FLUSH_AND_INV_DB)) {
+ /* TODO: trigger on RADV_CMD_FLAG_FLUSH_AND_INV_CB_META */
+ if (flush_bits & RADV_CMD_FLAG_FLUSH_AND_INV_CB) {
+ /* Flush CMASK/FMASK/DCC. Will wait for idle later. */
+ radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 0, 0));
+ radeon_emit(cs, EVENT_TYPE(V_028A90_FLUSH_AND_INV_CB_META) |
+ EVENT_INDEX(0));
+ }
+
+ /* TODO: trigger on RADV_CMD_FLAG_FLUSH_AND_INV_DB_META ? */
+ if (flush_bits & RADV_CMD_FLAG_FLUSH_AND_INV_DB) {
+ /* Flush HTILE. Will wait for idle later. */
+ radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 0, 0));
+ radeon_emit(cs, EVENT_TYPE(V_028A90_FLUSH_AND_INV_DB_META) |
+ EVENT_INDEX(0));
+ }
+
+ /* First flush CB/DB, then L1/L2. */
+ gcr_cntl |= S_586_SEQ(V_586_SEQ_FORWARD);
+
+ if ((flush_bits & (RADV_CMD_FLAG_FLUSH_AND_INV_CB | RADV_CMD_FLAG_FLUSH_AND_INV_DB)) ==
+ (RADV_CMD_FLAG_FLUSH_AND_INV_CB | RADV_CMD_FLAG_FLUSH_AND_INV_DB)) {
+ cb_db_event = V_028A90_CACHE_FLUSH_AND_INV_TS_EVENT;
+ } else if (flush_bits & RADV_CMD_FLAG_FLUSH_AND_INV_CB) {
+ cb_db_event = V_028A90_FLUSH_AND_INV_CB_DATA_TS;
+ } else if (flush_bits & RADV_CMD_FLAG_FLUSH_AND_INV_DB) {
+ cb_db_event = V_028A90_FLUSH_AND_INV_DB_DATA_TS;
+ } else {
+ assert(0);
+ }
+ } else {
+ /* Wait for graphics shaders to go idle if requested. */
+ if (flush_bits & RADV_CMD_FLAG_PS_PARTIAL_FLUSH) {
+ radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 0, 0));
+ radeon_emit(cs, EVENT_TYPE(V_028A90_PS_PARTIAL_FLUSH) | EVENT_INDEX(4));
+ } else if (flush_bits & RADV_CMD_FLAG_VS_PARTIAL_FLUSH) {
+ radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 0, 0));
+ radeon_emit(cs, EVENT_TYPE(V_028A90_VS_PARTIAL_FLUSH) | EVENT_INDEX(4));
+ }
+ }
+
+ if (flush_bits & RADV_CMD_FLAG_CS_PARTIAL_FLUSH) {
+ radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 0, 0));
+ radeon_emit(cs, EVENT_TYPE(V_028A90_CS_PARTIAL_FLUSH | EVENT_INDEX(4)));
+ }
+
+ if (cb_db_event) {
+ /* CB/DB flush and invalidate (or possibly just a wait for a
+ * meta flush) via RELEASE_MEM.
+ *
+ * Combine this with other cache flushes when possible; this
+ * requires affected shaders to be idle, so do it after the
+ * CS_PARTIAL_FLUSH before (VS/PS partial flushes are always
+ * implied).
+ */
+ /* Get GCR_CNTL fields, because the encoding is different in RELEASE_MEM. */
+ unsigned glm_wb = G_586_GLM_WB(gcr_cntl);
+ unsigned glm_inv = G_586_GLM_INV(gcr_cntl);
+ unsigned glv_inv = G_586_GLV_INV(gcr_cntl);
+ unsigned gl1_inv = G_586_GL1_INV(gcr_cntl);
+ assert(G_586_GL2_US(gcr_cntl) == 0);
+ assert(G_586_GL2_RANGE(gcr_cntl) == 0);
+ assert(G_586_GL2_DISCARD(gcr_cntl) == 0);
+ unsigned gl2_inv = G_586_GL2_INV(gcr_cntl);
+ unsigned gl2_wb = G_586_GL2_WB(gcr_cntl);
+ unsigned gcr_seq = G_586_SEQ(gcr_cntl);
+
+ gcr_cntl &= C_586_GLM_WB &
+ C_586_GLM_INV &
+ C_586_GLV_INV &
+ C_586_GL1_INV &
+ C_586_GL2_INV &
+ C_586_GL2_WB; /* keep SEQ */
+
+ assert(flush_cnt);
+ (*flush_cnt)++;
+
+ si_cs_emit_write_event_eop(cs, chip_class, false, cb_db_event,
+ S_490_GLM_WB(glm_wb) |
+ S_490_GLM_INV(glm_inv) |
+ S_490_GLV_INV(glv_inv) |
+ S_490_GL1_INV(gl1_inv) |
+ S_490_GL2_INV(gl2_inv) |
+ S_490_GL2_WB(gl2_wb) |
+ S_490_SEQ(gcr_seq),
+ EOP_DATA_SEL_VALUE_32BIT,
+ flush_va, *flush_cnt,
+ gfx9_eop_bug_va);
+
+ radv_cp_wait_mem(cs, WAIT_REG_MEM_EQUAL, flush_va,
+ *flush_cnt, 0xffffffff);
+ }
+
+ /* Ignore fields that only modify the behavior of other fields. */
+ if (gcr_cntl & C_586_GL1_RANGE & C_586_GL2_RANGE & C_586_SEQ) {
+ /* Flush caches and wait for the caches to assert idle.
+ * The cache flush is executed in the ME, but the PFP waits
+ * for completion.
+ */
+ radeon_emit(cs, PKT3(PKT3_ACQUIRE_MEM, 6, 0));
+ radeon_emit(cs, 0); /* CP_COHER_CNTL */
+ radeon_emit(cs, 0xffffffff); /* CP_COHER_SIZE */
+ radeon_emit(cs, 0xffffff); /* CP_COHER_SIZE_HI */
+ radeon_emit(cs, 0); /* CP_COHER_BASE */
+ radeon_emit(cs, 0); /* CP_COHER_BASE_HI */
+ radeon_emit(cs, 0x0000000A); /* POLL_INTERVAL */
+ radeon_emit(cs, gcr_cntl); /* GCR_CNTL */
+ } else if (cb_db_event ||
+ (flush_bits & (RADV_CMD_FLAG_VS_PARTIAL_FLUSH |
+ RADV_CMD_FLAG_PS_PARTIAL_FLUSH |
+ RADV_CMD_FLAG_CS_PARTIAL_FLUSH))) {
+ /* We need to ensure that PFP waits as well. */
+ radeon_emit(cs, PKT3(PKT3_PFP_SYNC_ME, 0, 0));
+ radeon_emit(cs, 0);
+ }
+
+ if (flush_bits & RADV_CMD_FLAG_START_PIPELINE_STATS) {
+ radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 0, 0));
+ radeon_emit(cs, EVENT_TYPE(V_028A90_PIPELINESTAT_START) |
+ EVENT_INDEX(0));
+ } else if (flush_bits & RADV_CMD_FLAG_STOP_PIPELINE_STATS) {
+ radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 0, 0));
+ radeon_emit(cs, EVENT_TYPE(V_028A90_PIPELINESTAT_STOP) |
+ EVENT_INDEX(0));
+ }
+}
+
void
si_cs_emit_cache_flush(struct radeon_cmdbuf *cs,
enum chip_class chip_class,
unsigned cp_coher_cntl = 0;
uint32_t flush_cb_db = flush_bits & (RADV_CMD_FLAG_FLUSH_AND_INV_CB |
RADV_CMD_FLAG_FLUSH_AND_INV_DB);
-
+
+ if (chip_class >= GFX10) {
+ /* GFX10 cache flush handling is quite different. */
+ gfx10_cs_emit_cache_flush(cs, chip_class, flush_cnt, flush_va,
+ is_mec, flush_bits, gfx9_eop_bug_va);
+ return;
+ }
+
if (flush_bits & RADV_CMD_FLAG_INV_ICACHE)
cp_coher_cntl |= S_0085F0_SH_ICACHE_ACTION_ENA(1);
if (flush_bits & RADV_CMD_FLAG_INV_SCACHE)