gallium/radeon: remove the IB flushing flag
[mesa.git] / src / gallium / drivers / r600 / r600_hw_context.c
index 11414cb6aa0995a75a8528c4af6be59a12bcffea..1cffc34a5a0ad25927daa952aff76b4f30a2353d 100644 (file)
 #include <errno.h>
 #include <unistd.h>
 
-/* Get backends mask */
-void r600_get_backend_mask(struct r600_context *ctx)
-{
-       struct radeon_winsys_cs *cs = ctx->b.rings.gfx.cs;
-       struct r600_resource *buffer;
-       uint32_t *results;
-       unsigned num_backends = ctx->screen->b.info.r600_num_backends;
-       unsigned i, mask = 0;
-       uint64_t va;
-
-       /* if backend_map query is supported by the kernel */
-       if (ctx->screen->b.info.r600_backend_map_valid) {
-               unsigned num_tile_pipes = ctx->screen->b.info.r600_num_tile_pipes;
-               unsigned backend_map = ctx->screen->b.info.r600_backend_map;
-               unsigned item_width, item_mask;
-
-               if (ctx->b.chip_class >= EVERGREEN) {
-                       item_width = 4;
-                       item_mask = 0x7;
-               } else {
-                       item_width = 2;
-                       item_mask = 0x3;
-               }
-
-               while(num_tile_pipes--) {
-                       i = backend_map & item_mask;
-                       mask |= (1<<i);
-                       backend_map >>= item_width;
-               }
-               if (mask != 0) {
-                       ctx->backend_mask = mask;
-                       return;
-               }
-       }
-
-       /* otherwise backup path for older kernels */
-
-       /* create buffer for event data */
-       buffer = (struct r600_resource*)
-               pipe_buffer_create(&ctx->screen->b.b, PIPE_BIND_CUSTOM,
-                                  PIPE_USAGE_STAGING, ctx->max_db*16);
-       if (!buffer)
-               goto err;
-       va = r600_resource_va(&ctx->screen->b.b, (void*)buffer);
-
-       /* initialize buffer with zeroes */
-       results = r600_buffer_map_sync_with_rings(&ctx->b, buffer, PIPE_TRANSFER_WRITE);
-       if (results) {
-               memset(results, 0, ctx->max_db * 4 * 4);
-               ctx->b.ws->buffer_unmap(buffer->cs_buf);
-
-               /* emit EVENT_WRITE for ZPASS_DONE */
-               cs->buf[cs->cdw++] = PKT3(PKT3_EVENT_WRITE, 2, 0);
-               cs->buf[cs->cdw++] = EVENT_TYPE(EVENT_TYPE_ZPASS_DONE) | EVENT_INDEX(1);
-               cs->buf[cs->cdw++] = va;
-               cs->buf[cs->cdw++] = (va >> 32UL) & 0xFF;
-
-               cs->buf[cs->cdw++] = PKT3(PKT3_NOP, 0, 0);
-               cs->buf[cs->cdw++] = r600_context_bo_reloc(&ctx->b, &ctx->b.rings.gfx, buffer, RADEON_USAGE_WRITE);
-
-               /* analyze results */
-               results = r600_buffer_map_sync_with_rings(&ctx->b, buffer, PIPE_TRANSFER_READ);
-               if (results) {
-                       for(i = 0; i < ctx->max_db; i++) {
-                               /* at least highest bit will be set if backend is used */
-                               if (results[i*4 + 1])
-                                       mask |= (1<<i);
-                       }
-                       ctx->b.ws->buffer_unmap(buffer->cs_buf);
-               }
-       }
-
-       pipe_resource_reference((struct pipe_resource**)&buffer, NULL);
-
-       if (mask != 0) {
-               ctx->backend_mask = mask;
-               return;
-       }
-
-err:
-       /* fallback to old method - set num_backends lower bits to 1 */
-       ctx->backend_mask = (~((uint32_t)0))>>(32-num_backends);
-       return;
-}
 
 void r600_need_cs_space(struct r600_context *ctx, unsigned num_dw,
                        boolean count_draw_in)
 {
+       struct radeon_winsys_cs *dma = ctx->b.rings.dma.cs;
+
+       /* Flush the DMA IB if it's not empty. */
+       if (dma && dma->cdw)
+               ctx->b.rings.dma.flush(ctx, RADEON_FLUSH_ASYNC, NULL);
+
        if (!ctx->b.ws->cs_memory_below_limit(ctx->b.rings.gfx.cs, ctx->b.vram, ctx->b.gtt)) {
                ctx->b.gtt = 0;
                ctx->b.vram = 0;
-               ctx->b.rings.gfx.flush(ctx, RADEON_FLUSH_ASYNC);
+               ctx->b.rings.gfx.flush(ctx, RADEON_FLUSH_ASYNC, NULL);
                return;
        }
        /* all will be accounted once relocation are emited */
@@ -131,27 +53,27 @@ void r600_need_cs_space(struct r600_context *ctx, unsigned num_dw,
        num_dw += ctx->b.rings.gfx.cs->cdw;
 
        if (count_draw_in) {
-               unsigned i;
+               uint64_t mask;
 
                /* The number of dwords all the dirty states would take. */
-               for (i = 0; i < R600_NUM_ATOMS; i++) {
-                       if (ctx->atoms[i] && ctx->atoms[i]->dirty) {
-                               num_dw += ctx->atoms[i]->num_dw;
-                               if (ctx->screen->trace_bo) {
-                                       num_dw += R600_TRACE_CS_DWORDS;
-                               }
+               mask = ctx->dirty_atoms;
+               while (mask != 0) {
+                       num_dw += ctx->atoms[u_bit_scan64(&mask)]->num_dw;
+                       if (ctx->screen->b.trace_bo) {
+                               num_dw += R600_TRACE_CS_DWORDS;
                        }
                }
 
                /* The upper-bound of how much space a draw command would take. */
                num_dw += R600_MAX_FLUSH_CS_DWORDS + R600_MAX_DRAW_CS_DWORDS;
-               if (ctx->screen->trace_bo) {
+               if (ctx->screen->b.trace_bo) {
                        num_dw += R600_TRACE_CS_DWORDS;
                }
        }
 
        /* Count in queries_suspend. */
-       num_dw += ctx->num_cs_dw_nontimer_queries_suspend;
+       num_dw += ctx->b.num_cs_dw_nontimer_queries_suspend +
+                 ctx->b.num_cs_dw_timer_queries_suspend;
 
        /* Count in streamout_end at the end of CS. */
        if (ctx->b.streamout.begin_emitted) {
@@ -159,12 +81,12 @@ void r600_need_cs_space(struct r600_context *ctx, unsigned num_dw,
        }
 
        /* Count in render_condition(NULL) at the end of CS. */
-       if (ctx->predicate_drawing) {
+       if (ctx->b.predicate_drawing) {
                num_dw += 3;
        }
 
        /* SX_MISC */
-       if (ctx->b.chip_class <= R700) {
+       if (ctx->b.chip_class == R600) {
                num_dw += 3;
        }
 
@@ -175,8 +97,8 @@ void r600_need_cs_space(struct r600_context *ctx, unsigned num_dw,
        num_dw += 10;
 
        /* Flush if there's not enough space. */
-       if (num_dw > RADEON_MAX_CMDBUF_DWORDS) {
-               ctx->b.rings.gfx.flush(ctx, RADEON_FLUSH_ASYNC);
+       if (num_dw > ctx->b.rings.gfx.cs->max_dw) {
+               ctx->b.rings.gfx.flush(ctx, RADEON_FLUSH_ASYNC, NULL);
        }
 }
 
@@ -230,7 +152,8 @@ void r600_flush_emit(struct r600_context *rctx)
                cp_coher_cntl |= S_0085F0_FULL_CACHE_ENA(1);
        }
 
-       if (rctx->b.flags & R600_CONTEXT_FLUSH_AND_INV) {
+       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);
        }
@@ -285,7 +208,8 @@ void r600_flush_emit(struct r600_context *rctx)
                                        S_0085F0_CB11_DEST_BASE_ENA(1);
        }
 
-       if (rctx->b.flags & R600_CONTEXT_STREAMOUT_FLUSH) {
+       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) |
@@ -293,7 +217,17 @@ void r600_flush_emit(struct r600_context *rctx)
                                S_0085F0_SMX_ACTION_ENA(1);
        }
 
-       if (cp_coher_cntl && !rctx->skip_surface_sync_on_next_cs_flush) {
+       /* 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 */
@@ -305,7 +239,7 @@ void r600_flush_emit(struct r600_context *rctx)
                /* Use of WAIT_UNTIL is deprecated on Cayman+ */
                if (rctx->b.family < CHIP_CAYMAN) {
                        /* wait for things to settle */
-                       r600_write_config_reg(cs, R_008040_WAIT_UNTIL, wait_until);
+                       radeon_set_config_reg(cs, R_008040_WAIT_UNTIL, wait_until);
                }
        }
 
@@ -313,23 +247,16 @@ void r600_flush_emit(struct r600_context *rctx)
        rctx->b.flags = 0;
 }
 
-void r600_context_flush(struct r600_context *ctx, unsigned flags)
+void r600_context_gfx_flush(void *context, unsigned flags,
+                           struct pipe_fence_handle **fence)
 {
+       struct r600_context *ctx = context;
        struct radeon_winsys_cs *cs = ctx->b.rings.gfx.cs;
 
-       ctx->nontimer_queries_suspended = false;
-       ctx->b.streamout.suspended = false;
-
-       /* suspend queries */
-       if (ctx->num_cs_dw_nontimer_queries_suspend) {
-               r600_suspend_nontimer_queries(ctx);
-               ctx->nontimer_queries_suspended = true;
-       }
+       if (cs->cdw == ctx->b.initial_gfx_cs_size && !fence)
+               return;
 
-       if (ctx->b.streamout.begin_emitted) {
-               r600_emit_streamout_end(&ctx->b);
-               ctx->b.streamout.suspended = true;
-       }
+       r600_preflush_suspend_features(&ctx->b);
 
        /* flush the framebuffer cache */
        ctx->b.flags |= R600_CONTEXT_FLUSH_AND_INV |
@@ -343,8 +270,8 @@ void r600_context_flush(struct r600_context *ctx, unsigned flags)
        r600_flush_emit(ctx);
 
        /* old kernels and userspace don't set SX_MISC, so we must reset it to 0 here */
-       if (ctx->b.chip_class <= R700) {
-               r600_write_context_reg(cs, R_028350_SX_MISC, 0);
+       if (ctx->b.chip_class == R600) {
+               radeon_set_context_reg(cs, R_028350_SX_MISC, 0);
        }
 
        /* force to keep tiling flags */
@@ -353,9 +280,9 @@ void r600_context_flush(struct r600_context *ctx, unsigned flags)
        }
 
        /* Flush the CS. */
-       ctx->b.ws->cs_flush(ctx->b.rings.gfx.cs, flags, ctx->screen->cs_count++);
+       ctx->b.ws->cs_flush(cs, flags, fence, ctx->screen->b.cs_count++);
 
-       ctx->skip_surface_sync_on_next_cs_flush = false;
+       r600_begin_new_cs(ctx);
 }
 
 void r600_begin_new_cs(struct r600_context *ctx)
@@ -370,34 +297,47 @@ void r600_begin_new_cs(struct r600_context *ctx)
        r600_emit_command_buffer(ctx->b.rings.gfx.cs, &ctx->start_cs_cmd);
 
        /* Re-emit states. */
-       ctx->alphatest_state.atom.dirty = true;
-       ctx->blend_color.atom.dirty = true;
-       ctx->cb_misc_state.atom.dirty = true;
-       ctx->clip_misc_state.atom.dirty = true;
-       ctx->clip_state.atom.dirty = true;
-       ctx->db_misc_state.atom.dirty = true;
-       ctx->db_state.atom.dirty = true;
-       ctx->framebuffer.atom.dirty = true;
-       ctx->pixel_shader.atom.dirty = true;
-       ctx->poly_offset_state.atom.dirty = true;
-       ctx->vgt_state.atom.dirty = true;
-       ctx->sample_mask.atom.dirty = true;
-       ctx->scissor.atom.dirty = true;
-       ctx->config_state.atom.dirty = true;
-       ctx->stencil_ref.atom.dirty = true;
-       ctx->vertex_fetch_shader.atom.dirty = true;
-       ctx->vertex_shader.atom.dirty = true;
-       ctx->viewport.atom.dirty = true;
+       r600_mark_atom_dirty(ctx, &ctx->alphatest_state.atom);
+       r600_mark_atom_dirty(ctx, &ctx->blend_color.atom);
+       r600_mark_atom_dirty(ctx, &ctx->cb_misc_state.atom);
+       r600_mark_atom_dirty(ctx, &ctx->clip_misc_state.atom);
+       r600_mark_atom_dirty(ctx, &ctx->clip_state.atom);
+       r600_mark_atom_dirty(ctx, &ctx->db_misc_state.atom);
+       r600_mark_atom_dirty(ctx, &ctx->db_state.atom);
+       r600_mark_atom_dirty(ctx, &ctx->framebuffer.atom);
+       r600_mark_atom_dirty(ctx, &ctx->pixel_shader.atom);
+       r600_mark_atom_dirty(ctx, &ctx->poly_offset_state.atom);
+       r600_mark_atom_dirty(ctx, &ctx->vgt_state.atom);
+       r600_mark_atom_dirty(ctx, &ctx->sample_mask.atom);
+       ctx->scissor.dirty_mask = (1 << R600_MAX_VIEWPORTS) - 1;
+       ctx->scissor.atom.num_dw = R600_MAX_VIEWPORTS * 4;
+       r600_mark_atom_dirty(ctx, &ctx->scissor.atom);
+       ctx->viewport.dirty_mask = (1 << R600_MAX_VIEWPORTS) - 1;
+       ctx->viewport.atom.num_dw = R600_MAX_VIEWPORTS * 8;
+       r600_mark_atom_dirty(ctx, &ctx->viewport.atom);
+       if (ctx->b.chip_class < EVERGREEN) {
+               r600_mark_atom_dirty(ctx, &ctx->config_state.atom);
+       }
+       r600_mark_atom_dirty(ctx, &ctx->stencil_ref.atom);
+       r600_mark_atom_dirty(ctx, &ctx->vertex_fetch_shader.atom);
+       r600_mark_atom_dirty(ctx, &ctx->export_shader.atom);
+       r600_mark_atom_dirty(ctx, &ctx->shader_stages.atom);
+       if (ctx->gs_shader) {
+               r600_mark_atom_dirty(ctx, &ctx->geometry_shader.atom);
+               r600_mark_atom_dirty(ctx, &ctx->gs_rings.atom);
+       }
+       r600_mark_atom_dirty(ctx, &ctx->vertex_shader.atom);
+       r600_mark_atom_dirty(ctx, &ctx->b.streamout.enable_atom);
 
        if (ctx->blend_state.cso)
-               ctx->blend_state.atom.dirty = true;
+               r600_mark_atom_dirty(ctx, &ctx->blend_state.atom);
        if (ctx->dsa_state.cso)
-               ctx->dsa_state.atom.dirty = true;
+               r600_mark_atom_dirty(ctx, &ctx->dsa_state.atom);
        if (ctx->rasterizer_state.cso)
-               ctx->rasterizer_state.atom.dirty = true;
+               r600_mark_atom_dirty(ctx, &ctx->rasterizer_state.atom);
 
        if (ctx->b.chip_class <= R700) {
-               ctx->seamless_cube_map.atom.dirty = true;
+               r600_mark_atom_dirty(ctx, &ctx->seamless_cube_map.atom);
        }
 
        ctx->vertex_buffer_state.dirty_mask = ctx->vertex_buffer_state.enabled_mask;
@@ -417,21 +357,13 @@ void r600_begin_new_cs(struct r600_context *ctx)
                r600_sampler_states_dirty(ctx, &samplers->states);
        }
 
-       if (ctx->b.streamout.suspended) {
-               ctx->b.streamout.append_bitmask = ctx->b.streamout.enabled_mask;
-               r600_streamout_buffers_dirty(&ctx->b);
-       }
-
-       /* resume queries */
-       if (ctx->nontimer_queries_suspended) {
-               r600_resume_nontimer_queries(ctx);
-       }
+       r600_postflush_resume_features(&ctx->b);
 
        /* Re-emit the draw state. */
        ctx->last_primitive_type = -1;
        ctx->last_start_instance = -1;
 
-       ctx->initial_gfx_cs_size = ctx->b.rings.gfx.cs->cdw;
+       ctx->b.initial_gfx_cs_size = ctx->b.rings.gfx.cs->cdw;
 }
 
 /* The max number of bytes to copy per packet. */
@@ -447,8 +379,14 @@ void r600_cp_dma_copy_buffer(struct r600_context *rctx,
        assert(size);
        assert(rctx->screen->b.has_cp_dma);
 
-       dst_offset += r600_resource_va(&rctx->screen->b.b, dst);
-       src_offset += r600_resource_va(&rctx->screen->b.b, src);
+       /* Mark the buffer range of destination as valid (initialized),
+        * so that transfer_map knows it should wait for the GPU when mapping
+        * that range. */
+       util_range_add(&r600_resource(dst)->valid_buffer_range, dst_offset,
+                      dst_offset + size);
+
+       dst_offset += r600_resource(dst)->gpu_address;
+       src_offset += r600_resource(src)->gpu_address;
 
        /* Flush the caches where the resources are bound. */
        rctx->b.flags |= R600_CONTEXT_INV_CONST_CACHE |
@@ -482,8 +420,10 @@ void r600_cp_dma_copy_buffer(struct r600_context *rctx,
                }
 
                /* This must be done after r600_need_cs_space. */
-               src_reloc = r600_context_bo_reloc(&rctx->b, &rctx->b.rings.gfx, (struct r600_resource*)src, RADEON_USAGE_READ);
-               dst_reloc = r600_context_bo_reloc(&rctx->b, &rctx->b.rings.gfx, (struct r600_resource*)dst, RADEON_USAGE_WRITE);
+               src_reloc = radeon_add_to_buffer_list(&rctx->b, &rctx->b.rings.gfx, (struct r600_resource*)src,
+                                                 RADEON_USAGE_READ, RADEON_PRIO_CP_DMA);
+               dst_reloc = radeon_add_to_buffer_list(&rctx->b, &rctx->b.rings.gfx, (struct r600_resource*)dst,
+                                                 RADEON_USAGE_WRITE, RADEON_PRIO_CP_DMA);
 
                radeon_emit(cs, PKT3(PKT3_CP_DMA, 4, 0));
                radeon_emit(cs, src_offset);    /* SRC_ADDR_LO [31:0] */
@@ -506,56 +446,44 @@ void r600_cp_dma_copy_buffer(struct r600_context *rctx,
        rctx->b.flags |= R600_CONTEXT_INV_CONST_CACHE |
                         R600_CONTEXT_INV_VERTEX_CACHE |
                         R600_CONTEXT_INV_TEX_CACHE;
-
-       util_range_add(&r600_resource(dst)->valid_buffer_range, dst_offset,
-                      dst_offset + size);
-}
-
-void r600_need_dma_space(struct r600_context *ctx, unsigned num_dw)
-{
-       /* The number of dwords we already used in the DMA so far. */
-       num_dw += ctx->b.rings.dma.cs->cdw;
-       /* Flush if there's not enough space. */
-       if (num_dw > RADEON_MAX_CMDBUF_DWORDS) {
-               ctx->b.rings.dma.flush(ctx, RADEON_FLUSH_ASYNC);
-       }
 }
 
-void r600_dma_copy(struct r600_context *rctx,
-               struct pipe_resource *dst,
-               struct pipe_resource *src,
-               uint64_t dst_offset,
-               uint64_t src_offset,
-               uint64_t size)
+void r600_dma_copy_buffer(struct r600_context *rctx,
+                         struct pipe_resource *dst,
+                         struct pipe_resource *src,
+                         uint64_t dst_offset,
+                         uint64_t src_offset,
+                         uint64_t size)
 {
        struct radeon_winsys_cs *cs = rctx->b.rings.dma.cs;
-       unsigned i, ncopy, csize, shift;
+       unsigned i, ncopy, csize;
        struct r600_resource *rdst = (struct r600_resource*)dst;
        struct r600_resource *rsrc = (struct r600_resource*)src;
 
-       /* make sure that the dma ring is only one active */
-       rctx->b.rings.gfx.flush(rctx, RADEON_FLUSH_ASYNC);
+       /* Mark the buffer range of destination as valid (initialized),
+        * so that transfer_map knows it should wait for the GPU when mapping
+        * that range. */
+       util_range_add(&rdst->valid_buffer_range, dst_offset,
+                      dst_offset + size);
 
-       size >>= 2;
-       shift = 2;
-       ncopy = (size / 0xffff) + !!(size % 0xffff);
+       size >>= 2; /* convert to dwords */
+       ncopy = (size / R600_DMA_COPY_MAX_SIZE_DW) + !!(size % R600_DMA_COPY_MAX_SIZE_DW);
 
-       r600_need_dma_space(rctx, ncopy * 5);
+       r600_need_dma_space(&rctx->b, ncopy * 5);
        for (i = 0; i < ncopy; i++) {
-               csize = size < 0xffff ? size : 0xffff;
-               /* emit reloc before writting cs so that cs is always in consistent state */
-               r600_context_bo_reloc(&rctx->b, &rctx->b.rings.dma, rsrc, RADEON_USAGE_READ);
-               r600_context_bo_reloc(&rctx->b, &rctx->b.rings.dma, rdst, RADEON_USAGE_WRITE);
+               csize = size < R600_DMA_COPY_MAX_SIZE_DW ? size : R600_DMA_COPY_MAX_SIZE_DW;
+               /* emit reloc before writing cs so that cs is always in consistent state */
+               radeon_add_to_buffer_list(&rctx->b, &rctx->b.rings.dma, rsrc, RADEON_USAGE_READ,
+                                     RADEON_PRIO_SDMA_BUFFER);
+               radeon_add_to_buffer_list(&rctx->b, &rctx->b.rings.dma, rdst, RADEON_USAGE_WRITE,
+                                     RADEON_PRIO_SDMA_BUFFER);
                cs->buf[cs->cdw++] = DMA_PACKET(DMA_PACKET_COPY, 0, 0, csize);
                cs->buf[cs->cdw++] = dst_offset & 0xfffffffc;
                cs->buf[cs->cdw++] = src_offset & 0xfffffffc;
                cs->buf[cs->cdw++] = (dst_offset >> 32UL) & 0xff;
                cs->buf[cs->cdw++] = (src_offset >> 32UL) & 0xff;
-               dst_offset += csize << shift;
-               src_offset += csize << shift;
+               dst_offset += csize << 2;
+               src_offset += csize << 2;
                size -= csize;
        }
-
-       util_range_add(&rdst->valid_buffer_range, dst_offset,
-                      dst_offset + size);
 }