/*
* Copyright 2013 Advanced Micro Devices, Inc.
+ * All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* pipe_context
*/
-/**
- * Write an EOP event.
- *
- * \param event EVENT_TYPE_*
- * \param event_flags Optional cache flush flags (TC)
- * \param data_sel 1 = fence, 3 = timestamp
- * \param buf Buffer
- * \param va GPU address
- * \param old_value Previous fence value (for a bug workaround)
- * \param new_value Fence value to write for this event.
- */
-void si_gfx_write_event_eop(struct r600_common_context *ctx,
- unsigned event, unsigned event_flags,
- unsigned data_sel,
- struct r600_resource *buf, uint64_t va,
- uint32_t new_fence, unsigned query_type)
-{
- struct radeon_winsys_cs *cs = ctx->gfx.cs;
- unsigned op = EVENT_TYPE(event) |
- EVENT_INDEX(5) |
- event_flags;
- unsigned sel = EOP_DATA_SEL(data_sel);
-
- /* Wait for write confirmation before writing data, but don't send
- * an interrupt. */
- if (data_sel != EOP_DATA_SEL_DISCARD)
- sel |= EOP_INT_SEL(EOP_INT_SEL_SEND_DATA_AFTER_WR_CONFIRM);
-
- if (ctx->chip_class >= GFX9) {
- /* A ZPASS_DONE or PIXEL_STAT_DUMP_EVENT (of the DB occlusion
- * counters) must immediately precede every timestamp event to
- * prevent a GPU hang on GFX9.
- *
- * Occlusion queries don't need to do it here, because they
- * always do ZPASS_DONE before the timestamp.
- */
- if (ctx->chip_class == GFX9 &&
- query_type != PIPE_QUERY_OCCLUSION_COUNTER &&
- query_type != PIPE_QUERY_OCCLUSION_PREDICATE &&
- query_type != PIPE_QUERY_OCCLUSION_PREDICATE_CONSERVATIVE) {
- struct r600_resource *scratch = ctx->eop_bug_scratch;
-
- assert(16 * ctx->screen->info.num_render_backends <=
- scratch->b.b.width0);
- radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 2, 0));
- radeon_emit(cs, EVENT_TYPE(EVENT_TYPE_ZPASS_DONE) | EVENT_INDEX(1));
- radeon_emit(cs, scratch->gpu_address);
- radeon_emit(cs, scratch->gpu_address >> 32);
-
- radeon_add_to_buffer_list(ctx, &ctx->gfx, scratch,
- RADEON_USAGE_WRITE, RADEON_PRIO_QUERY);
- }
-
- radeon_emit(cs, PKT3(PKT3_RELEASE_MEM, 6, 0));
- radeon_emit(cs, op);
- radeon_emit(cs, sel);
- radeon_emit(cs, va); /* address lo */
- radeon_emit(cs, va >> 32); /* address hi */
- radeon_emit(cs, new_fence); /* immediate data lo */
- radeon_emit(cs, 0); /* immediate data hi */
- radeon_emit(cs, 0); /* unused */
- } else {
- if (ctx->chip_class == CIK ||
- ctx->chip_class == VI) {
- struct r600_resource *scratch = ctx->eop_bug_scratch;
- uint64_t va = scratch->gpu_address;
-
- /* Two EOP events are required to make all engines go idle
- * (and optional cache flushes executed) before the timestamp
- * is written.
- */
- radeon_emit(cs, PKT3(PKT3_EVENT_WRITE_EOP, 4, 0));
- radeon_emit(cs, op);
- radeon_emit(cs, va);
- radeon_emit(cs, ((va >> 32) & 0xffff) | sel);
- radeon_emit(cs, 0); /* immediate data */
- radeon_emit(cs, 0); /* unused */
-
- radeon_add_to_buffer_list(ctx, &ctx->gfx, scratch,
- RADEON_USAGE_WRITE, RADEON_PRIO_QUERY);
- }
-
- radeon_emit(cs, PKT3(PKT3_EVENT_WRITE_EOP, 4, 0));
- radeon_emit(cs, op);
- radeon_emit(cs, va);
- radeon_emit(cs, ((va >> 32) & 0xffff) | sel);
- radeon_emit(cs, new_fence); /* immediate data */
- radeon_emit(cs, 0); /* unused */
- }
-
- if (buf) {
- radeon_add_to_buffer_list(ctx, &ctx->gfx, buf, RADEON_USAGE_WRITE,
- RADEON_PRIO_QUERY);
- }
-}
-
-unsigned si_gfx_write_fence_dwords(struct si_screen *screen)
-{
- unsigned dwords = 6;
-
- if (screen->info.chip_class == CIK ||
- screen->info.chip_class == VI)
- dwords *= 2;
-
- if (!screen->info.has_virtual_memory)
- dwords += 2;
-
- return dwords;
-}
-
-void si_gfx_wait_fence(struct r600_common_context *ctx,
- uint64_t va, uint32_t ref, uint32_t mask)
-{
- struct radeon_winsys_cs *cs = ctx->gfx.cs;
-
- radeon_emit(cs, PKT3(PKT3_WAIT_REG_MEM, 5, 0));
- radeon_emit(cs, WAIT_REG_MEM_EQUAL | WAIT_REG_MEM_MEM_SPACE(1));
- radeon_emit(cs, va);
- radeon_emit(cs, va >> 32);
- radeon_emit(cs, ref); /* reference value */
- radeon_emit(cs, mask); /* mask */
- radeon_emit(cs, 4); /* poll interval */
-}
-
-static void r600_dma_emit_wait_idle(struct r600_common_context *rctx)
-{
- struct radeon_winsys_cs *cs = rctx->dma.cs;
-
- /* NOP waits for idle on Evergreen and later. */
- if (rctx->chip_class >= CIK)
- radeon_emit(cs, 0x00000000); /* NOP */
- else
- radeon_emit(cs, 0xf0000000); /* NOP */
-}
-
-void si_need_dma_space(struct r600_common_context *ctx, unsigned num_dw,
- struct r600_resource *dst, struct r600_resource *src)
-{
- uint64_t vram = ctx->dma.cs->used_vram;
- uint64_t gtt = ctx->dma.cs->used_gart;
-
- if (dst) {
- vram += dst->vram_usage;
- gtt += dst->gart_usage;
- }
- if (src) {
- vram += src->vram_usage;
- gtt += src->gart_usage;
- }
-
- /* Flush the GFX IB if DMA depends on it. */
- if (radeon_emitted(ctx->gfx.cs, ctx->initial_gfx_cs_size) &&
- ((dst &&
- ctx->ws->cs_is_buffer_referenced(ctx->gfx.cs, dst->buf,
- RADEON_USAGE_READWRITE)) ||
- (src &&
- ctx->ws->cs_is_buffer_referenced(ctx->gfx.cs, src->buf,
- RADEON_USAGE_WRITE))))
- ctx->gfx.flush(ctx, PIPE_FLUSH_ASYNC, NULL);
-
- /* Flush if there's not enough space, or if the memory usage per IB
- * is too large.
- *
- * IBs using too little memory are limited by the IB submission overhead.
- * IBs using too much memory are limited by the kernel/TTM overhead.
- * Too long IBs create CPU-GPU pipeline bubbles and add latency.
- *
- * This heuristic makes sure that DMA requests are executed
- * very soon after the call is made and lowers memory usage.
- * It improves texture upload performance by keeping the DMA
- * engine busy while uploads are being submitted.
- */
- num_dw++; /* for emit_wait_idle below */
- if (!ctx->ws->cs_check_space(ctx->dma.cs, num_dw) ||
- ctx->dma.cs->used_vram + ctx->dma.cs->used_gart > 64 * 1024 * 1024 ||
- !radeon_cs_memory_below_limit(ctx->screen, ctx->dma.cs, vram, gtt)) {
- ctx->dma.flush(ctx, PIPE_FLUSH_ASYNC, NULL);
- assert((num_dw + ctx->dma.cs->current.cdw) <= ctx->dma.cs->current.max_dw);
- }
-
- /* Wait for idle if either buffer has been used in the IB before to
- * prevent read-after-write hazards.
- */
- if ((dst &&
- ctx->ws->cs_is_buffer_referenced(ctx->dma.cs, dst->buf,
- RADEON_USAGE_READWRITE)) ||
- (src &&
- ctx->ws->cs_is_buffer_referenced(ctx->dma.cs, src->buf,
- RADEON_USAGE_WRITE)))
- r600_dma_emit_wait_idle(ctx);
-
- /* If GPUVM is not supported, the CS checker needs 2 entries
- * in the buffer list per packet, which has to be done manually.
- */
- if (ctx->screen->info.has_virtual_memory) {
- if (dst)
- radeon_add_to_buffer_list(ctx, &ctx->dma, dst,
- RADEON_USAGE_WRITE,
- RADEON_PRIO_SDMA_BUFFER);
- if (src)
- radeon_add_to_buffer_list(ctx, &ctx->dma, src,
- RADEON_USAGE_READ,
- RADEON_PRIO_SDMA_BUFFER);
- }
-
- /* this function is called before all DMA calls, so increment this. */
- ctx->num_dma_calls++;
-}
-
-static void r600_flush_dma_ring(void *ctx, unsigned flags,
- struct pipe_fence_handle **fence)
-{
- struct r600_common_context *rctx = (struct r600_common_context *)ctx;
- struct radeon_winsys_cs *cs = rctx->dma.cs;
- struct radeon_saved_cs saved;
- bool check_vm =
- (rctx->screen->debug_flags & DBG(CHECK_VM)) &&
- rctx->check_vm_faults;
-
- if (!radeon_emitted(cs, 0)) {
- if (fence)
- rctx->ws->fence_reference(fence, rctx->last_sdma_fence);
- return;
- }
-
- if (check_vm)
- si_save_cs(rctx->ws, cs, &saved, true);
-
- rctx->ws->cs_flush(cs, flags, &rctx->last_sdma_fence);
- if (fence)
- rctx->ws->fence_reference(fence, rctx->last_sdma_fence);
-
- if (check_vm) {
- /* Use conservative timeout 800ms, after which we won't wait any
- * longer and assume the GPU is hung.
- */
- rctx->ws->fence_wait(rctx->ws, rctx->last_sdma_fence, 800*1000*1000);
-
- rctx->check_vm_faults(rctx, &saved, RING_DMA);
- si_clear_saved_cs(&saved);
- }
-}
-
-/**
- * Store a linearized copy of all chunks of \p cs together with the buffer
- * list in \p saved.
- */
-void si_save_cs(struct radeon_winsys *ws, struct radeon_winsys_cs *cs,
- struct radeon_saved_cs *saved, bool get_buffer_list)
-{
- uint32_t *buf;
- unsigned i;
-
- /* Save the IB chunks. */
- saved->num_dw = cs->prev_dw + cs->current.cdw;
- saved->ib = MALLOC(4 * saved->num_dw);
- if (!saved->ib)
- goto oom;
-
- buf = saved->ib;
- for (i = 0; i < cs->num_prev; ++i) {
- memcpy(buf, cs->prev[i].buf, cs->prev[i].cdw * 4);
- buf += cs->prev[i].cdw;
- }
- memcpy(buf, cs->current.buf, cs->current.cdw * 4);
-
- if (!get_buffer_list)
- return;
-
- /* Save the buffer list. */
- saved->bo_count = ws->cs_get_buffer_list(cs, NULL);
- saved->bo_list = CALLOC(saved->bo_count,
- sizeof(saved->bo_list[0]));
- if (!saved->bo_list) {
- FREE(saved->ib);
- goto oom;
- }
- ws->cs_get_buffer_list(cs, saved->bo_list);
-
- return;
-
-oom:
- fprintf(stderr, "%s: out of memory\n", __func__);
- memset(saved, 0, sizeof(*saved));
-}
-
-void si_clear_saved_cs(struct radeon_saved_cs *saved)
-{
- FREE(saved->ib);
- FREE(saved->bo_list);
-
- memset(saved, 0, sizeof(*saved));
-}
-
static enum pipe_reset_status r600_get_reset_status(struct pipe_context *ctx)
{
struct r600_common_context *rctx = (struct r600_common_context *)ctx;
unsigned level, struct pipe_box *box,
bool commit)
{
- struct r600_common_context *ctx = (struct r600_common_context *)pctx;
+ struct si_context *ctx = (struct si_context *)pctx;
struct r600_resource *res = r600_resource(resource);
/*
* (b) wait for threaded submit to finish, including those that were
* triggered by some other, earlier operation.
*/
- if (radeon_emitted(ctx->gfx.cs, ctx->initial_gfx_cs_size) &&
- ctx->ws->cs_is_buffer_referenced(ctx->gfx.cs,
- res->buf, RADEON_USAGE_READWRITE)) {
- ctx->gfx.flush(ctx, PIPE_FLUSH_ASYNC, NULL);
+ if (radeon_emitted(ctx->b.gfx_cs, ctx->b.initial_gfx_cs_size) &&
+ ctx->b.ws->cs_is_buffer_referenced(ctx->b.gfx_cs,
+ res->buf, RADEON_USAGE_READWRITE)) {
+ si_flush_gfx_cs(ctx, PIPE_FLUSH_ASYNC, NULL);
}
- if (radeon_emitted(ctx->dma.cs, 0) &&
- ctx->ws->cs_is_buffer_referenced(ctx->dma.cs,
- res->buf, RADEON_USAGE_READWRITE)) {
- ctx->dma.flush(ctx, PIPE_FLUSH_ASYNC, NULL);
+ if (radeon_emitted(ctx->b.dma_cs, 0) &&
+ ctx->b.ws->cs_is_buffer_referenced(ctx->b.dma_cs,
+ res->buf, RADEON_USAGE_READWRITE)) {
+ si_flush_dma_cs(ctx, PIPE_FLUSH_ASYNC, NULL);
}
- ctx->ws->cs_sync_flush(ctx->dma.cs);
- ctx->ws->cs_sync_flush(ctx->gfx.cs);
+ ctx->b.ws->cs_sync_flush(ctx->b.dma_cs);
+ ctx->b.ws->cs_sync_flush(ctx->b.gfx_cs);
assert(resource->target == PIPE_BUFFER);
- return ctx->ws->buffer_commit(res->buf, box->x, box->width, commit);
+ return ctx->b.ws->buffer_commit(res->buf, box->x, box->width, commit);
}
bool si_common_context_init(struct r600_common_context *rctx,
struct si_screen *sscreen,
unsigned context_flags)
{
+ struct si_context *sctx = (struct si_context*)rctx;
+
slab_create_child(&rctx->pool_transfers, &sscreen->pool_transfers);
slab_create_child(&rctx->pool_transfers_unsync, &sscreen->pool_transfers);
rctx->b.set_device_reset_callback = r600_set_device_reset_callback;
- si_init_context_texture_functions(rctx);
- si_init_query_functions(rctx);
+ si_init_context_texture_functions(sctx);
+ si_init_query_functions(sctx);
if (rctx->chip_class == CIK ||
rctx->chip_class == VI ||
return false;
rctx->b.stream_uploader = u_upload_create(&rctx->b, 1024 * 1024,
- 0, PIPE_USAGE_STREAM);
+ 0, PIPE_USAGE_STREAM,
+ R600_RESOURCE_FLAG_READ_ONLY);
if (!rctx->b.stream_uploader)
return false;
rctx->b.const_uploader = u_upload_create(&rctx->b, 128 * 1024,
- 0, PIPE_USAGE_DEFAULT);
+ 0, PIPE_USAGE_DEFAULT,
+ R600_RESOURCE_FLAG_32BIT |
+ (sscreen->cpdma_prefetch_writes_memory ?
+ 0 : R600_RESOURCE_FLAG_READ_ONLY));
if (!rctx->b.const_uploader)
return false;
+ rctx->cached_gtt_allocator = u_upload_create(&rctx->b, 16 * 1024,
+ 0, PIPE_USAGE_STAGING, 0);
+ if (!rctx->cached_gtt_allocator)
+ return false;
+
rctx->ctx = rctx->ws->ctx_create(rctx->ws);
if (!rctx->ctx)
return false;
if (sscreen->info.num_sdma_rings && !(sscreen->debug_flags & DBG(NO_ASYNC_DMA))) {
- rctx->dma.cs = rctx->ws->cs_create(rctx->ctx, RING_DMA,
- r600_flush_dma_ring,
+ rctx->dma_cs = rctx->ws->cs_create(rctx->ctx, RING_DMA,
+ (void*)si_flush_dma_cs,
rctx);
- rctx->dma.flush = r600_flush_dma_ring;
}
return true;
if (rctx->query_result_shader)
rctx->b.delete_compute_state(&rctx->b, rctx->query_result_shader);
- if (rctx->gfx.cs)
- rctx->ws->cs_destroy(rctx->gfx.cs);
- if (rctx->dma.cs)
- rctx->ws->cs_destroy(rctx->dma.cs);
+ if (rctx->gfx_cs)
+ rctx->ws->cs_destroy(rctx->gfx_cs);
+ if (rctx->dma_cs)
+ rctx->ws->cs_destroy(rctx->dma_cs);
if (rctx->ctx)
rctx->ws->ctx_destroy(rctx->ctx);
u_upload_destroy(rctx->b.stream_uploader);
if (rctx->b.const_uploader)
u_upload_destroy(rctx->b.const_uploader);
+ if (rctx->cached_gtt_allocator)
+ u_upload_destroy(rctx->cached_gtt_allocator);
slab_destroy_child(&rctx->pool_transfers);
slab_destroy_child(&rctx->pool_transfers_unsync);
rctx->ws->fence_reference(&rctx->last_sdma_fence, NULL);
r600_resource_reference(&rctx->eop_bug_scratch, NULL);
}
-
-
-void si_screen_clear_buffer(struct si_screen *sscreen, struct pipe_resource *dst,
- uint64_t offset, uint64_t size, unsigned value)
-{
- struct r600_common_context *rctx = (struct r600_common_context*)sscreen->aux_context;
-
- mtx_lock(&sscreen->aux_context_lock);
- rctx->dma_clear_buffer(&rctx->b, dst, offset, size, value);
- sscreen->aux_context->flush(sscreen->aux_context, NULL, 0);
- mtx_unlock(&sscreen->aux_context_lock);
-}