}
}
- if ((usage & PIPE_TRANSFER_DISCARD_RANGE) &&
+ if (usage & PIPE_TRANSFER_FLUSH_EXPLICIT &&
+ buf->b.b.flags & SI_RESOURCE_FLAG_UPLOAD_FLUSH_EXPLICIT_VIA_SDMA) {
+ usage &= ~(PIPE_TRANSFER_UNSYNCHRONIZED |
+ PIPE_TRANSFER_PERSISTENT);
+ usage |= PIPE_TRANSFER_DISCARD_RANGE;
+ force_discard_range = true;
+ }
+
+ if (usage & PIPE_TRANSFER_DISCARD_RANGE &&
((!(usage & (PIPE_TRANSFER_UNSYNCHRONIZED |
PIPE_TRANSFER_PERSISTENT))) ||
(buf->flags & RADEON_FLAG_SPARSE))) {
si_rings_is_buffer_referenced(sctx, buf->buf, RADEON_USAGE_READWRITE) ||
!sctx->ws->buffer_wait(buf->buf, 0, RADEON_USAGE_READWRITE)) {
/* Do a wait-free write-only transfer using a temporary buffer. */
- unsigned offset;
+ struct u_upload_mgr *uploader;
struct si_resource *staging = NULL;
+ unsigned offset;
+
+ /* If we are not called from the driver thread, we have
+ * to use the uploader from u_threaded_context, which is
+ * local to the calling thread.
+ */
+ if (usage & TC_TRANSFER_MAP_THREADED_UNSYNC)
+ uploader = sctx->tc->base.stream_uploader;
+ else
+ uploader = sctx->b.stream_uploader;
- u_upload_alloc(ctx->stream_uploader, 0,
+ u_upload_alloc(uploader, 0,
box->width + (box->x % SI_MAP_BUFFER_ALIGNMENT),
sctx->screen->info.tcc_cache_line_size,
&offset, (struct pipe_resource**)&staging,
struct pipe_transfer *transfer,
const struct pipe_box *box)
{
+ struct si_context *sctx = (struct si_context*)ctx;
struct si_transfer *stransfer = (struct si_transfer*)transfer;
struct si_resource *buf = si_resource(transfer->resource);
transfer->box.x % SI_MAP_BUFFER_ALIGNMENT +
(box->x - transfer->box.x);
+ if (buf->b.b.flags & SI_RESOURCE_FLAG_UPLOAD_FLUSH_EXPLICIT_VIA_SDMA) {
+ /* This should be true for all uploaders. */
+ assert(transfer->box.x == 0);
+
+ /* Find a previous upload and extend its range. The last
+ * upload is likely to be at the end of the list.
+ */
+ for (int i = sctx->num_sdma_uploads - 1; i >= 0; i--) {
+ struct si_sdma_upload *up = &sctx->sdma_uploads[i];
+
+ if (up->dst != buf)
+ continue;
+
+ assert(up->src == stransfer->staging);
+ assert(box->x > up->dst_offset);
+ up->size = box->x + box->width - up->dst_offset;
+ return;
+ }
+
+ /* Enlarge the array if it's full. */
+ if (sctx->num_sdma_uploads == sctx->max_sdma_uploads) {
+ unsigned size;
+
+ sctx->max_sdma_uploads += 4;
+ size = sctx->max_sdma_uploads * sizeof(sctx->sdma_uploads[0]);
+ sctx->sdma_uploads = realloc(sctx->sdma_uploads, size);
+ }
+
+ /* Add a new upload. */
+ struct si_sdma_upload *up =
+ &sctx->sdma_uploads[sctx->num_sdma_uploads++];
+ up->dst = up->src = NULL;
+ si_resource_reference(&up->dst, buf);
+ si_resource_reference(&up->src, stransfer->staging);
+ up->dst_offset = box->x;
+ up->src_offset = src_offset;
+ up->size = box->width;
+ return;
+ }
+
/* Copy the staging buffer into the original one. */
- si_copy_buffer((struct si_context*)ctx, transfer->resource,
- &stransfer->staging->b.b, box->x, src_offset,
- box->width);
+ si_copy_buffer(sctx, transfer->resource, &stransfer->staging->b.b,
+ box->x, src_offset, box->width);
}
util_range_add(&buf->valid_buffer_range, box->x,
}
/* Flush the GFX IB if DMA depends on it. */
- if (radeon_emitted(ctx->gfx_cs, ctx->initial_gfx_cs_size) &&
+ if (!ctx->sdma_uploads_in_progress &&
+ radeon_emitted(ctx->gfx_cs, ctx->initial_gfx_cs_size) &&
((dst &&
ws->cs_is_buffer_referenced(ctx->gfx_cs, dst->buf,
RADEON_USAGE_READWRITE)) ||
* engine busy while uploads are being submitted.
*/
num_dw++; /* for emit_wait_idle below */
- if (!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)) {
+ if (!ctx->sdma_uploads_in_progress &&
+ (!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))) {
si_flush_dma_cs(ctx, PIPE_FLUSH_ASYNC, NULL);
assert((num_dw + ctx->dma_cs->current.cdw) <= ctx->dma_cs->current.max_dw);
}
RADEON_USAGE_WRITE)))
si_dma_emit_wait_idle(ctx);
+ unsigned sync = ctx->sdma_uploads_in_progress ? 0 : RADEON_USAGE_SYNCHRONIZED;
if (dst) {
- radeon_add_to_buffer_list(ctx, ctx->dma_cs, dst,
- RADEON_USAGE_WRITE, 0);
+ ws->cs_add_buffer(ctx->dma_cs, dst->buf, RADEON_USAGE_WRITE | sync,
+ dst->domains, 0);
}
if (src) {
- radeon_add_to_buffer_list(ctx, ctx->dma_cs, src,
- RADEON_USAGE_READ, 0);
+ ws->cs_add_buffer(ctx->dma_cs, src->buf, RADEON_USAGE_READ | sync,
+ src->domains, 0);
}
/* this function is called before all DMA calls, so increment this. */
#include "si_pipe.h"
#include "util/os_time.h"
+#include "util/u_upload_mgr.h"
/* initialize */
void si_need_gfx_cs_space(struct si_context *ctx)
si_flush_gfx_cs(ctx, RADEON_FLUSH_ASYNC_START_NEXT_GFX_IB_NOW, NULL);
}
+void si_unref_sdma_uploads(struct si_context *sctx)
+{
+ for (unsigned i = 0; i < sctx->num_sdma_uploads; i++) {
+ si_resource_reference(&sctx->sdma_uploads[i].dst, NULL);
+ si_resource_reference(&sctx->sdma_uploads[i].src, NULL);
+ }
+ sctx->num_sdma_uploads = 0;
+}
+
void si_flush_gfx_cs(struct si_context *ctx, unsigned flags,
struct pipe_fence_handle **fence)
{
if (ctx->screen->debug_flags & DBG(CHECK_VM))
flags &= ~PIPE_FLUSH_ASYNC;
+ ctx->gfx_flush_in_progress = true;
+
/* If the state tracker is flushing the GFX IB, si_flush_from_st is
* responsible for flushing the DMA IB and merging the fences from both.
- * This code is only needed when the driver flushes the GFX IB
- * internally, and it never asks for a fence handle.
+ * If the driver flushes the GFX IB internally, and it should never ask
+ * for a fence handle.
*/
- if (radeon_emitted(ctx->dma_cs, 0)) {
- assert(fence == NULL); /* internal flushes only */
- si_flush_dma_cs(ctx, flags, NULL);
+ assert(!radeon_emitted(ctx->dma_cs, 0) || fence == NULL);
+
+ /* Update the sdma_uploads list by flushing the uploader. */
+ u_upload_unmap(ctx->b.const_uploader);
+
+ /* Execute SDMA uploads. */
+ ctx->sdma_uploads_in_progress = true;
+ for (unsigned i = 0; i < ctx->num_sdma_uploads; i++) {
+ struct si_sdma_upload *up = &ctx->sdma_uploads[i];
+ struct pipe_box box;
+
+ assert(up->src_offset % 4 == 0 && up->dst_offset % 4 == 0 &&
+ up->size % 4 == 0);
+
+ u_box_1d(up->src_offset, up->size, &box);
+ ctx->dma_copy(&ctx->b, &up->dst->b.b, 0, up->dst_offset, 0, 0,
+ &up->src->b.b, 0, &box);
}
+ ctx->sdma_uploads_in_progress = false;
+ si_unref_sdma_uploads(ctx);
- ctx->gfx_flush_in_progress = true;
+ /* Flush SDMA (preamble IB). */
+ if (radeon_emitted(ctx->dma_cs, 0))
+ si_flush_dma_cs(ctx, flags, NULL);
if (!LIST_IS_EMPTY(&ctx->active_queries))
si_suspend_queries(ctx);
util_dynarray_fini(&sctx->resident_tex_needs_color_decompress);
util_dynarray_fini(&sctx->resident_img_needs_color_decompress);
util_dynarray_fini(&sctx->resident_tex_needs_depth_decompress);
+ si_unref_sdma_uploads(sctx);
FREE(sctx);
}
if (!sctx->b.stream_uploader)
goto fail;
- sctx->b.const_uploader = u_upload_create(&sctx->b, 128 * 1024,
- 0, PIPE_USAGE_DEFAULT,
- SI_RESOURCE_FLAG_32BIT |
- (sscreen->cpdma_prefetch_writes_memory ?
- 0 : SI_RESOURCE_FLAG_READ_ONLY));
- if (!sctx->b.const_uploader)
- goto fail;
-
sctx->cached_gtt_allocator = u_upload_create(&sctx->b, 16 * 1024,
0, PIPE_USAGE_STAGING, 0);
if (!sctx->cached_gtt_allocator)
sctx, stop_exec_on_failure);
}
+ bool use_sdma_upload = sscreen->info.has_dedicated_vram && sctx->dma_cs;
+ sctx->b.const_uploader = u_upload_create(&sctx->b, 256 * 1024,
+ 0, PIPE_USAGE_DEFAULT,
+ SI_RESOURCE_FLAG_32BIT |
+ (use_sdma_upload ?
+ SI_RESOURCE_FLAG_UPLOAD_FLUSH_EXPLICIT_VIA_SDMA :
+ (sscreen->cpdma_prefetch_writes_memory ?
+ 0 : SI_RESOURCE_FLAG_READ_ONLY)));
+ if (!sctx->b.const_uploader)
+ goto fail;
+
+ if (use_sdma_upload)
+ u_upload_enable_flush_explicit(sctx->b.const_uploader);
+
si_init_buffer_functions(sctx);
si_init_clear_functions(sctx);
si_init_blit_functions(sctx);
#define SI_RESOURCE_FLAG_READ_ONLY (PIPE_RESOURCE_FLAG_DRV_PRIV << 5)
#define SI_RESOURCE_FLAG_32BIT (PIPE_RESOURCE_FLAG_DRV_PRIV << 6)
#define SI_RESOURCE_FLAG_CLEAR (PIPE_RESOURCE_FLAG_DRV_PRIV << 7)
+/* For const_uploader, upload data via GTT and copy to VRAM on context flush via SDMA. */
+#define SI_RESOURCE_FLAG_UPLOAD_FLUSH_EXPLICIT_VIA_SDMA (PIPE_RESOURCE_FLAG_DRV_PRIV << 8)
enum si_clear_code
{
int64_t time_flush;
};
+struct si_sdma_upload {
+ struct si_resource *dst;
+ struct si_resource *src;
+ unsigned src_offset;
+ unsigned dst_offset;
+ unsigned size;
+};
+
struct si_context {
struct pipe_context b; /* base class */
bool render_cond_invert;
bool render_cond_force_off; /* for u_blitter */
+ /* For uploading data via GTT and copy to VRAM on context flush via SDMA. */
+ bool sdma_uploads_in_progress;
+ struct si_sdma_upload *sdma_uploads;
+ unsigned num_sdma_uploads;
+ unsigned max_sdma_uploads;
+
/* Statistics gathering for the DCC enablement heuristic. It can't be
* in si_texture because si_texture can be shared by multiple
* contexts. This is for back buffers only. We shouldn't get too many
struct pipe_fence_handle **fence);
void si_begin_new_gfx_cs(struct si_context *ctx);
void si_need_gfx_cs_space(struct si_context *ctx);
+void si_unref_sdma_uploads(struct si_context *sctx);
/* si_gpu_load.c */
void si_gpu_load_kill_thread(struct si_screen *sscreen);