radeonsi: use r600_common_context less pt3
[mesa.git] / src / gallium / drivers / radeonsi / si_fence.c
index d3a68e50e1c13f2e5095a20bb5413c5742fe1d5d..6d79fc62ec19110f1c852e2de3678ee4ba8db6b8 100644 (file)
@@ -46,21 +46,148 @@ struct si_multi_fence {
 
        /* If the context wasn't flushed at fence creation, this is non-NULL. */
        struct {
-               struct r600_common_context *ctx;
+               struct si_context *ctx;
                unsigned ib_index;
        } gfx_unflushed;
 
        struct si_fine_fence fine;
 };
 
-static void si_add_fence_dependency(struct r600_common_context *rctx,
+/**
+ * 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 si_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->b.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->b.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->b.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->b.eop_bug_scratch;
+
+                       assert(16 * ctx->b.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->b, ctx->b.gfx_cs, 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->b.chip_class == CIK ||
+                   ctx->b.chip_class == VI) {
+                       struct r600_resource *scratch = ctx->b.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->b, ctx->b.gfx_cs, 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->b, ctx->b.gfx_cs, 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;
+
+       return dwords;
+}
+
+void si_gfx_wait_fence(struct si_context *ctx,
+                      uint64_t va, uint32_t ref, uint32_t mask)
+{
+       struct radeon_winsys_cs *cs = ctx->b.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 si_add_fence_dependency(struct si_context *sctx,
                                    struct pipe_fence_handle *fence)
 {
-       struct radeon_winsys *ws = rctx->ws;
+       struct radeon_winsys *ws = sctx->b.ws;
+
+       if (sctx->b.dma_cs)
+               ws->cs_add_fence_dependency(sctx->b.dma_cs, fence);
+       ws->cs_add_fence_dependency(sctx->b.gfx_cs, fence);
+}
 
-       if (rctx->dma.cs)
-               ws->cs_add_fence_dependency(rctx->dma.cs, fence);
-       ws->cs_add_fence_dependency(rctx->gfx.cs, fence);
+static void si_add_syncobj_signal(struct si_context *sctx,
+                                 struct pipe_fence_handle *fence)
+{
+       sctx->b.ws->cs_add_syncobj_signal(sctx->b.gfx_cs, fence);
 }
 
 static void si_fence_reference(struct pipe_screen *screen,
@@ -106,30 +233,6 @@ struct pipe_fence_handle *si_create_fence(struct pipe_context *ctx,
        return (struct pipe_fence_handle *)fence;
 }
 
-static void si_fence_server_sync(struct pipe_context *ctx,
-                                struct pipe_fence_handle *fence)
-{
-       struct r600_common_context *rctx = (struct r600_common_context *)ctx;
-       struct si_multi_fence *rfence = (struct si_multi_fence *)fence;
-
-       util_queue_fence_wait(&rfence->ready);
-
-       /* Unflushed fences from the same context are no-ops. */
-       if (rfence->gfx_unflushed.ctx &&
-           rfence->gfx_unflushed.ctx == rctx)
-               return;
-
-       /* All unflushed commands will not start execution before
-        * this fence dependency is signalled.
-        *
-        * Should we flush the context to allow more GPU parallelism?
-        */
-       if (rfence->sdma)
-               si_add_fence_dependency(rctx, rfence->sdma);
-       if (rfence->gfx)
-               si_add_fence_dependency(rctx, rfence->gfx);
-}
-
 static bool si_fine_fence_signaled(struct radeon_winsys *rws,
                                   const struct si_fine_fence *fine)
 {
@@ -160,10 +263,10 @@ static void si_fine_fence_set(struct si_context *ctx,
 
        uint64_t fence_va = fine->buf->gpu_address + fine->offset;
 
-       radeon_add_to_buffer_list(&ctx->b, &ctx->b.gfx, fine->buf,
+       radeon_add_to_buffer_list(&ctx->b, ctx->b.gfx_cs, fine->buf,
                                  RADEON_USAGE_WRITE, RADEON_PRIO_QUERY);
        if (flags & PIPE_FLUSH_TOP_OF_PIPE) {
-               struct radeon_winsys_cs *cs = ctx->b.gfx.cs;
+               struct radeon_winsys_cs *cs = ctx->b.gfx_cs;
                radeon_emit(cs, PKT3(PKT3_WRITE_DATA, 3, 0));
                radeon_emit(cs, S_370_DST_SEL(V_370_MEM_ASYNC) |
                        S_370_WR_CONFIRM(1) |
@@ -172,7 +275,7 @@ static void si_fine_fence_set(struct si_context *ctx,
                radeon_emit(cs, fence_va >> 32);
                radeon_emit(cs, 0x80000000);
        } else if (flags & PIPE_FLUSH_BOTTOM_OF_PIPE) {
-               si_gfx_write_event_eop(&ctx->b, V_028A90_BOTTOM_OF_PIPE_TS, 0,
+               si_gfx_write_event_eop(ctx, V_028A90_BOTTOM_OF_PIPE_TS, 0,
                                       EOP_DATA_SEL_VALUE_32BIT,
                                       NULL, fence_va, 0x80000000,
                                       PIPE_QUERY_GPU_FINISHED);
@@ -246,7 +349,7 @@ static boolean si_fence_finish(struct pipe_screen *screen,
                struct si_context *sctx;
 
                sctx = (struct si_context *)threaded_context_unwrap_unsync(ctx);
-               if (rfence->gfx_unflushed.ctx == &sctx->b &&
+               if (rfence->gfx_unflushed.ctx == sctx &&
                    rfence->gfx_unflushed.ib_index == sctx->b.num_gfx_cs_flushes) {
                        /* Section 4.1.2 (Signaling) of the OpenGL 4.6 (Core profile)
                         * spec says:
@@ -271,7 +374,7 @@ static boolean si_fence_finish(struct pipe_screen *screen,
                         * not going to wait.
                         */
                        threaded_context_unwrap_sync(ctx);
-                       sctx->b.gfx.flush(&sctx->b, timeout ? 0 : PIPE_FLUSH_ASYNC, NULL);
+                       si_flush_gfx_cs(sctx, timeout ? 0 : PIPE_FLUSH_ASYNC, NULL);
                        rfence->gfx_unflushed.ctx = NULL;
 
                        if (!timeout)
@@ -305,18 +408,32 @@ static void si_create_fence_fd(struct pipe_context *ctx,
        struct radeon_winsys *ws = sscreen->ws;
        struct si_multi_fence *rfence;
 
-       assert(type == PIPE_FD_TYPE_NATIVE_SYNC);
-
        *pfence = NULL;
 
-       if (!sscreen->info.has_fence_to_handle)
-               return;
-
        rfence = si_create_multi_fence();
        if (!rfence)
                return;
 
-       rfence->gfx = ws->fence_import_sync_file(ws, fd);
+       switch (type) {
+       case PIPE_FD_TYPE_NATIVE_SYNC:
+               if (!sscreen->info.has_fence_to_handle)
+                       goto finish;
+
+               rfence->gfx = ws->fence_import_sync_file(ws, fd);
+               break;
+
+       case PIPE_FD_TYPE_SYNCOBJ:
+               if (!sscreen->info.has_syncobj)
+                       goto finish;
+
+               rfence->gfx = ws->fence_import_syncobj(ws, fd);
+               break;
+
+       default:
+               unreachable("bad fence fd type when importing");
+       }
+
+finish:
        if (!rfence->gfx) {
                FREE(rfence);
                return;
@@ -377,8 +494,8 @@ static void si_flush_from_st(struct pipe_context *ctx,
                             unsigned flags)
 {
        struct pipe_screen *screen = ctx->screen;
-       struct r600_common_context *rctx = (struct r600_common_context *)ctx;
-       struct radeon_winsys *ws = rctx->ws;
+       struct si_context *sctx = (struct si_context *)ctx;
+       struct radeon_winsys *ws = sctx->b.ws;
        struct pipe_fence_handle *gfx_fence = NULL;
        struct pipe_fence_handle *sdma_fence = NULL;
        bool deferred_fence = false;
@@ -392,18 +509,18 @@ static void si_flush_from_st(struct pipe_context *ctx,
                assert(flags & PIPE_FLUSH_DEFERRED);
                assert(fence);
 
-               si_fine_fence_set((struct si_context *)rctx, &fine, flags);
+               si_fine_fence_set(sctx, &fine, flags);
        }
 
        /* DMA IBs are preambles to gfx IBs, therefore must be flushed first. */
-       if (rctx->dma.cs)
-               rctx->dma.flush(rctx, rflags, fence ? &sdma_fence : NULL);
+       if (sctx->b.dma_cs)
+               si_flush_dma_cs(sctx, rflags, fence ? &sdma_fence : NULL);
 
-       if (!radeon_emitted(rctx->gfx.cs, rctx->initial_gfx_cs_size)) {
+       if (!radeon_emitted(sctx->b.gfx_cs, sctx->b.initial_gfx_cs_size)) {
                if (fence)
-                       ws->fence_reference(&gfx_fence, rctx->last_gfx_fence);
+                       ws->fence_reference(&gfx_fence, sctx->b.last_gfx_fence);
                if (!(flags & PIPE_FLUSH_DEFERRED))
-                       ws->cs_sync_flush(rctx->gfx.cs);
+                       ws->cs_sync_flush(sctx->b.gfx_cs);
        } else {
                /* Instead of flushing, create a deferred fence. Constraints:
                 * - The state tracker must allow a deferred flush.
@@ -414,10 +531,10 @@ static void si_flush_from_st(struct pipe_context *ctx,
                if (flags & PIPE_FLUSH_DEFERRED &&
                    !(flags & PIPE_FLUSH_FENCE_FD) &&
                    fence) {
-                       gfx_fence = rctx->ws->cs_get_next_fence(rctx->gfx.cs);
+                       gfx_fence = sctx->b.ws->cs_get_next_fence(sctx->b.gfx_cs);
                        deferred_fence = true;
                } else {
-                       rctx->gfx.flush(rctx, rflags, fence ? &gfx_fence : NULL);
+                       si_flush_gfx_cs(sctx, rflags, fence ? &gfx_fence : NULL);
                }
        }
 
@@ -445,8 +562,8 @@ static void si_flush_from_st(struct pipe_context *ctx,
                multi_fence->sdma = sdma_fence;
 
                if (deferred_fence) {
-                       multi_fence->gfx_unflushed.ctx = rctx;
-                       multi_fence->gfx_unflushed.ib_index = rctx->num_gfx_cs_flushes;
+                       multi_fence->gfx_unflushed.ctx = sctx;
+                       multi_fence->gfx_unflushed.ib_index = sctx->b.num_gfx_cs_flushes;
                }
 
                multi_fence->fine = fine;
@@ -460,17 +577,71 @@ static void si_flush_from_st(struct pipe_context *ctx,
        assert(!fine.buf);
 finish:
        if (!(flags & PIPE_FLUSH_DEFERRED)) {
-               if (rctx->dma.cs)
-                       ws->cs_sync_flush(rctx->dma.cs);
-               ws->cs_sync_flush(rctx->gfx.cs);
+               if (sctx->b.dma_cs)
+                       ws->cs_sync_flush(sctx->b.dma_cs);
+               ws->cs_sync_flush(sctx->b.gfx_cs);
        }
 }
 
+static void si_fence_server_signal(struct pipe_context *ctx,
+                                  struct pipe_fence_handle *fence)
+{
+       struct si_context *sctx = (struct si_context *)ctx;
+       struct si_multi_fence *rfence = (struct si_multi_fence *)fence;
+
+       /* We should have at least one syncobj to signal */
+       assert(rfence->sdma || rfence->gfx);
+
+       if (rfence->sdma)
+               si_add_syncobj_signal(sctx, rfence->sdma);
+       if (rfence->gfx)
+               si_add_syncobj_signal(sctx, rfence->gfx);
+
+       /**
+        * The spec does not require a flush here. We insert a flush
+        * because syncobj based signals are not directly placed into
+        * the command stream. Instead the signal happens when the
+        * submission associated with the syncobj finishes execution.
+        *
+        * Therefore, we must make sure that we flush the pipe to avoid
+        * new work being emitted and getting executed before the signal
+        * operation.
+        */
+       si_flush_from_st(ctx, NULL, PIPE_FLUSH_ASYNC);
+}
+
+static void si_fence_server_sync(struct pipe_context *ctx,
+                                struct pipe_fence_handle *fence)
+{
+       struct si_context *sctx = (struct si_context *)ctx;
+       struct si_multi_fence *rfence = (struct si_multi_fence *)fence;
+
+       util_queue_fence_wait(&rfence->ready);
+
+       /* Unflushed fences from the same context are no-ops. */
+       if (rfence->gfx_unflushed.ctx &&
+           rfence->gfx_unflushed.ctx == sctx)
+               return;
+
+       /* All unflushed commands will not start execution before
+        * this fence dependency is signalled.
+        *
+        * Therefore we must flush before inserting the dependency
+        */
+       si_flush_from_st(ctx, NULL, PIPE_FLUSH_ASYNC);
+
+       if (rfence->sdma)
+               si_add_fence_dependency(sctx, rfence->sdma);
+       if (rfence->gfx)
+               si_add_fence_dependency(sctx, rfence->gfx);
+}
+
 void si_init_fence_functions(struct si_context *ctx)
 {
        ctx->b.b.flush = si_flush_from_st;
        ctx->b.b.create_fence_fd = si_create_fence_fd;
        ctx->b.b.fence_server_sync = si_fence_server_sync;
+       ctx->b.b.fence_server_signal = si_fence_server_signal;
 }
 
 void si_init_screen_fence_functions(struct si_screen *screen)