r600/fp64: Fix build.
[mesa.git] / src / gallium / drivers / r600 / r600_hw_context.c
index c5403252d362a078f0548b0914437c348ea088a6..4b6d951af6b7eb6db608ba9d84938f43e6f898e0 100644 (file)
 void r600_need_cs_space(struct r600_context *ctx, unsigned num_dw,
                        boolean count_draw_in)
 {
+       /* Flush the DMA IB if it's not empty. */
+       if (radeon_emitted(ctx->b.dma.cs, 0))
+               ctx->b.dma.flush(ctx, PIPE_FLUSH_ASYNC, NULL);
 
-       if (!ctx->b.ws->cs_memory_below_limit(ctx->b.rings.gfx.cs, ctx->b.vram, ctx->b.gtt)) {
+       if (!radeon_cs_memory_below_limit(ctx->b.screen, ctx->b.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, NULL);
+               ctx->b.gfx.flush(ctx, PIPE_FLUSH_ASYNC, NULL);
                return;
        }
        /* all will be accounted once relocation are emited */
        ctx->b.gtt = 0;
        ctx->b.vram = 0;
 
-       /* The number of dwords we already used in the CS so far. */
-       num_dw += ctx->b.rings.gfx.cs->cdw;
-
+       /* Check available space in CS. */
        if (count_draw_in) {
-               unsigned i;
+               uint64_t mask;
 
                /* The number of dwords all the dirty states would take. */
-               i = r600_next_dirty_atom(ctx, 0);
-               while (i < R600_NUM_ATOMS) {
-                       num_dw += ctx->atoms[i]->num_dw;
-                       if (ctx->screen->b.trace_bo) {
-                               num_dw += R600_TRACE_CS_DWORDS;
-                       }
-                       i = r600_next_dirty_atom(ctx, i + 1);
-               }
+               mask = ctx->dirty_atoms;
+               while (mask != 0)
+                       num_dw += ctx->atoms[u_bit_scan64(&mask)]->num_dw;
 
                /* 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->b.trace_bo) {
-                       num_dw += R600_TRACE_CS_DWORDS;
-               }
        }
 
-       /* Count in queries_suspend. */
-       num_dw += ctx->b.num_cs_dw_nontimer_queries_suspend +
-                 ctx->b.num_cs_dw_timer_queries_suspend;
+       /* Count in r600_suspend_queries. */
+       num_dw += ctx->b.num_cs_dw_queries_suspend;
 
        /* Count in streamout_end at the end of CS. */
        if (ctx->b.streamout.begin_emitted) {
                num_dw += ctx->b.streamout.num_dw_for_end;
        }
 
-       /* Count in render_condition(NULL) at the end of CS. */
-       if (ctx->b.predicate_drawing) {
-               num_dw += 3;
-       }
-
        /* SX_MISC */
        if (ctx->b.chip_class == R600) {
                num_dw += 3;
@@ -93,14 +81,14 @@ 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 > ctx->b.rings.gfx.cs->max_dw) {
-               ctx->b.rings.gfx.flush(ctx, RADEON_FLUSH_ASYNC, NULL);
+       if (!ctx->b.ws->cs_check_space(ctx->b.gfx.cs, num_dw)) {
+               ctx->b.gfx.flush(ctx, PIPE_FLUSH_ASYNC, NULL);
        }
 }
 
 void r600_flush_emit(struct r600_context *rctx)
 {
-       struct radeon_winsys_cs *cs = rctx->b.rings.gfx.cs;
+       struct radeon_winsys_cs *cs = rctx->b.gfx.cs;
        unsigned cp_coher_cntl = 0;
        unsigned wait_until = 0;
 
@@ -108,6 +96,10 @@ void r600_flush_emit(struct r600_context *rctx)
                return;
        }
 
+       /* Ensure coherency between streamout and shaders. */
+       if (rctx->b.flags & R600_CONTEXT_STREAMOUT_FLUSH)
+               rctx->b.flags |= r600_get_flush_flags(R600_COHERENCY_SHADER);
+
        if (rctx->b.flags & R600_CONTEXT_WAIT_3D_IDLE) {
                wait_until |= S_008040_WAIT_3D_IDLE(1);
        }
@@ -123,21 +115,37 @@ void r600_flush_emit(struct r600_context *rctx)
                }
        }
 
+       /* Wait packets must be executed first, because SURFACE_SYNC doesn't
+        * wait for shaders if it's not flushing CB or DB.
+        */
        if (rctx->b.flags & R600_CONTEXT_PS_PARTIAL_FLUSH) {
-               cs->buf[cs->cdw++] = PKT3(PKT3_EVENT_WRITE, 0, 0);
-               cs->buf[cs->cdw++] = EVENT_TYPE(EVENT_TYPE_PS_PARTIAL_FLUSH) | EVENT_INDEX(4);
+               radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 0, 0));
+               radeon_emit(cs, EVENT_TYPE(EVENT_TYPE_PS_PARTIAL_FLUSH) | EVENT_INDEX(4));
+       }
+
+       if (rctx->b.flags & R600_CONTEXT_CS_PARTIAL_FLUSH) {
+               radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 0, 0));
+               radeon_emit(cs, EVENT_TYPE(EVENT_TYPE_CS_PARTIAL_FLUSH) | EVENT_INDEX(4));
+       }
+
+       if (wait_until) {
+               /* Use of WAIT_UNTIL is deprecated on Cayman+ */
+               if (rctx->b.family < CHIP_CAYMAN) {
+                       /* wait for things to settle */
+                       radeon_set_config_reg(cs, R_008040_WAIT_UNTIL, wait_until);
+               }
        }
 
        if (rctx->b.chip_class >= R700 &&
            (rctx->b.flags & R600_CONTEXT_FLUSH_AND_INV_CB_META)) {
-               cs->buf[cs->cdw++] = PKT3(PKT3_EVENT_WRITE, 0, 0);
-               cs->buf[cs->cdw++] = EVENT_TYPE(EVENT_TYPE_FLUSH_AND_INV_CB_META) | EVENT_INDEX(0);
+               radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 0, 0));
+               radeon_emit(cs, EVENT_TYPE(EVENT_TYPE_FLUSH_AND_INV_CB_META) | EVENT_INDEX(0));
        }
 
        if (rctx->b.chip_class >= R700 &&
            (rctx->b.flags & R600_CONTEXT_FLUSH_AND_INV_DB_META)) {
-               cs->buf[cs->cdw++] = PKT3(PKT3_EVENT_WRITE, 0, 0);
-               cs->buf[cs->cdw++] = EVENT_TYPE(EVENT_TYPE_FLUSH_AND_INV_DB_META) | EVENT_INDEX(0);
+               radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 0, 0));
+               radeon_emit(cs, EVENT_TYPE(EVENT_TYPE_FLUSH_AND_INV_DB_META) | EVENT_INDEX(0));
 
                /* Set FULL_CACHE_ENA for DB META flushes on r7xx and later.
                 *
@@ -150,8 +158,8 @@ void r600_flush_emit(struct r600_context *rctx)
 
        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);
+               radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 0, 0));
+               radeon_emit(cs, EVENT_TYPE(EVENT_TYPE_CACHE_FLUSH_AND_INV_EVENT) | EVENT_INDEX(0));
        }
 
        if (rctx->b.flags & R600_CONTEXT_INV_CONST_CACHE) {
@@ -224,19 +232,21 @@ void r600_flush_emit(struct r600_context *rctx)
        }
 
        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 */
-               cs->buf[cs->cdw++] = 0;               /* CP_COHER_BASE */
-               cs->buf[cs->cdw++] = 0x0000000A;      /* POLL_INTERVAL */
+               radeon_emit(cs, PKT3(PKT3_SURFACE_SYNC, 3, 0));
+               radeon_emit(cs, cp_coher_cntl);   /* CP_COHER_CNTL */
+               radeon_emit(cs, 0xffffffff);      /* CP_COHER_SIZE */
+               radeon_emit(cs, 0);               /* CP_COHER_BASE */
+               radeon_emit(cs, 0x0000000A);      /* POLL_INTERVAL */
        }
 
-       if (wait_until) {
-               /* Use of WAIT_UNTIL is deprecated on Cayman+ */
-               if (rctx->b.family < CHIP_CAYMAN) {
-                       /* wait for things to settle */
-                       radeon_set_config_reg(cs, R_008040_WAIT_UNTIL, wait_until);
-               }
+       if (rctx->b.flags & R600_CONTEXT_START_PIPELINE_STATS) {
+               radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 0, 0));
+               radeon_emit(cs, EVENT_TYPE(EVENT_TYPE_PIPELINESTAT_START) |
+                               EVENT_INDEX(0));
+       } else if (rctx->b.flags & R600_CONTEXT_STOP_PIPELINE_STATS) {
+               radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 0, 0));
+               radeon_emit(cs, EVENT_TYPE(EVENT_TYPE_PIPELINESTAT_STOP) |
+                               EVENT_INDEX(0));
        }
 
        /* everything is properly flushed */
@@ -247,12 +257,14 @@ 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;
+       struct radeon_winsys_cs *cs = ctx->b.gfx.cs;
+       struct radeon_winsys *ws = ctx->b.ws;
 
-       if (cs->cdw == ctx->b.initial_gfx_cs_size && !fence)
+       if (!radeon_emitted(cs, ctx->b.initial_gfx_cs_size))
                return;
 
-       ctx->b.rings.gfx.flushing = true;
+       if (r600_check_device_reset(&ctx->b))
+               return;
 
        r600_preflush_suspend_features(&ctx->b);
 
@@ -267,33 +279,70 @@ void r600_context_gfx_flush(void *context, unsigned flags,
 
        r600_flush_emit(ctx);
 
+       if (ctx->trace_buf)
+               eg_trace_emit(ctx);
        /* old kernels and userspace don't set SX_MISC, so we must reset it to 0 here */
        if (ctx->b.chip_class == R600) {
                radeon_set_context_reg(cs, R_028350_SX_MISC, 0);
        }
 
-       /* force to keep tiling flags */
-       if (ctx->keep_tiling_flags) {
-               flags |= RADEON_FLUSH_KEEP_TILING_FLAGS;
+       if (ctx->is_debug) {
+               /* Save the IB for debug contexts. */
+               radeon_clear_saved_cs(&ctx->last_gfx);
+               radeon_save_cs(ws, cs, &ctx->last_gfx, true);
+               r600_resource_reference(&ctx->last_trace_buf, ctx->trace_buf);
+               r600_resource_reference(&ctx->trace_buf, NULL);
        }
-
        /* Flush the CS. */
-       ctx->b.ws->cs_flush(cs, flags, fence, ctx->screen->b.cs_count++);
-       ctx->b.rings.gfx.flushing = false;
-
+       ws->cs_flush(cs, flags, &ctx->b.last_gfx_fence);
+       if (fence)
+               ws->fence_reference(fence, ctx->b.last_gfx_fence);
+       ctx->b.num_gfx_cs_flushes++;
+
+       if (ctx->is_debug) {
+               if (!ws->fence_wait(ws, ctx->b.last_gfx_fence, 10000000)) {
+                       const char *fname = getenv("R600_TRACE");
+                       if (!fname)
+                               exit(-1);
+                       FILE *fl = fopen(fname, "w+");
+                       if (fl) {
+                               eg_dump_debug_state(&ctx->b.b, fl, 0);
+                               fclose(fl);
+                       } else
+                               perror(fname);
+                       exit(-1);
+               }
+       }
        r600_begin_new_cs(ctx);
 }
 
 void r600_begin_new_cs(struct r600_context *ctx)
 {
        unsigned shader;
-       int i;
+
+       if (ctx->is_debug) {
+               uint32_t zero = 0;
+
+               /* Create a buffer used for writing trace IDs and initialize it to 0. */
+               assert(!ctx->trace_buf);
+               ctx->trace_buf = (struct r600_resource*)
+                       pipe_buffer_create(ctx->b.b.screen, 0,
+                                          PIPE_USAGE_STAGING, 4);
+               if (ctx->trace_buf)
+                       pipe_buffer_write_nooverlap(&ctx->b.b, &ctx->trace_buf->b.b,
+                                                   0, sizeof(zero), &zero);
+               ctx->trace_id = 0;
+       }
+
+       if (ctx->trace_buf)
+               eg_trace_emit(ctx);
+
        ctx->b.flags = 0;
        ctx->b.gtt = 0;
        ctx->b.vram = 0;
 
        /* Begin a new CS. */
-       r600_emit_command_buffer(ctx->b.rings.gfx.cs, &ctx->start_cs_cmd);
+       r600_emit_command_buffer(ctx->b.gfx.cs, &ctx->start_cs_cmd);
 
        /* Re-emit states. */
        r600_mark_atom_dirty(ctx, &ctx->alphatest_state.atom);
@@ -304,29 +353,39 @@ void r600_begin_new_cs(struct r600_context *ctx)
        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);
+       if (ctx->b.chip_class >= EVERGREEN) {
+               r600_mark_atom_dirty(ctx, &ctx->fragment_images.atom);
+               r600_mark_atom_dirty(ctx, &ctx->fragment_buffers.atom);
+               r600_mark_atom_dirty(ctx, &ctx->compute_images.atom);
+               r600_mark_atom_dirty(ctx, &ctx->compute_buffers.atom);
+       }
+       r600_mark_atom_dirty(ctx, &ctx->hw_shader_stages[R600_HW_STAGE_PS].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);
-       for (i = 0; i < R600_MAX_VIEWPORTS; i++) {
-               r600_mark_atom_dirty(ctx, &ctx->viewport[i].atom);
-       }
-       if (ctx->b.chip_class < EVERGREEN) {
+       ctx->b.scissors.dirty_mask = (1 << R600_MAX_VIEWPORTS) - 1;
+       r600_mark_atom_dirty(ctx, &ctx->b.scissors.atom);
+       ctx->b.viewports.dirty_mask = (1 << R600_MAX_VIEWPORTS) - 1;
+       ctx->b.viewports.depth_range_dirty_mask = (1 << R600_MAX_VIEWPORTS) - 1;
+       r600_mark_atom_dirty(ctx, &ctx->b.viewports.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->hw_shader_stages[R600_HW_STAGE_ES].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->hw_shader_stages[R600_HW_STAGE_GS].atom);
                r600_mark_atom_dirty(ctx, &ctx->gs_rings.atom);
        }
-       r600_mark_atom_dirty(ctx, &ctx->vertex_shader.atom);
+       if (ctx->tes_shader) {
+               r600_mark_atom_dirty(ctx, &ctx->hw_shader_stages[EG_HW_STAGE_HS].atom);
+               r600_mark_atom_dirty(ctx, &ctx->hw_shader_stages[EG_HW_STAGE_LS].atom);
+       }
+       r600_mark_atom_dirty(ctx, &ctx->hw_shader_stages[R600_HW_STAGE_VS].atom);
        r600_mark_atom_dirty(ctx, &ctx->b.streamout.enable_atom);
+       r600_mark_atom_dirty(ctx, &ctx->b.render_cond_atom);
 
        if (ctx->blend_state.cso)
                r600_mark_atom_dirty(ctx, &ctx->blend_state.atom);
@@ -361,8 +420,71 @@ void r600_begin_new_cs(struct r600_context *ctx)
        /* Re-emit the draw state. */
        ctx->last_primitive_type = -1;
        ctx->last_start_instance = -1;
+       ctx->last_rast_prim      = -1;
+       ctx->current_rast_prim   = -1;
+
+       assert(!ctx->b.gfx.cs->prev_dw);
+       ctx->b.initial_gfx_cs_size = ctx->b.gfx.cs->current.cdw;
+}
+
+void r600_emit_pfp_sync_me(struct r600_context *rctx)
+{
+       struct radeon_winsys_cs *cs = rctx->b.gfx.cs;
+
+       if (rctx->b.chip_class >= EVERGREEN &&
+           rctx->b.screen->info.drm_minor >= 46) {
+               radeon_emit(cs, PKT3(PKT3_PFP_SYNC_ME, 0, 0));
+               radeon_emit(cs, 0);
+       } else {
+               /* Emulate PFP_SYNC_ME by writing a value to memory in ME and
+                * waiting for it in PFP.
+                */
+               struct r600_resource *buf = NULL;
+               unsigned offset, reloc;
+               uint64_t va;
+
+               /* 16-byte address alignment is required by WAIT_REG_MEM. */
+               u_suballocator_alloc(rctx->b.allocator_zeroed_memory, 4, 16,
+                                    &offset, (struct pipe_resource**)&buf);
+               if (!buf) {
+                       /* This is too heavyweight, but will work. */
+                       rctx->b.gfx.flush(rctx, PIPE_FLUSH_ASYNC, NULL);
+                       return;
+               }
+
+               reloc = radeon_add_to_buffer_list(&rctx->b, &rctx->b.gfx, buf,
+                                                 RADEON_USAGE_READWRITE,
+                                                 RADEON_PRIO_FENCE);
 
-       ctx->b.initial_gfx_cs_size = ctx->b.rings.gfx.cs->cdw;
+               va = buf->gpu_address + offset;
+               assert(va % 16 == 0);
+
+               /* Write 1 to memory in ME. */
+               radeon_emit(cs, PKT3(PKT3_MEM_WRITE, 3, 0));
+               radeon_emit(cs, va);
+               radeon_emit(cs, ((va >> 32) & 0xff) | MEM_WRITE_32_BITS);
+               radeon_emit(cs, 1);
+               radeon_emit(cs, 0);
+
+               radeon_emit(cs, PKT3(PKT3_NOP, 0, 0));
+               radeon_emit(cs, reloc);
+
+               /* Wait in PFP (PFP can only do GEQUAL against memory). */
+               radeon_emit(cs, PKT3(PKT3_WAIT_REG_MEM, 5, 0));
+               radeon_emit(cs, WAIT_REG_MEM_GEQUAL |
+                               WAIT_REG_MEM_MEMORY |
+                               WAIT_REG_MEM_PFP);
+               radeon_emit(cs, va);
+               radeon_emit(cs, va >> 32);
+               radeon_emit(cs, 1); /* reference value */
+               radeon_emit(cs, 0xffffffff); /* mask */
+               radeon_emit(cs, 4); /* poll interval */
+
+               radeon_emit(cs, PKT3(PKT3_NOP, 0, 0));
+               radeon_emit(cs, reloc);
+
+               r600_resource_reference(&buf, NULL);
+       }
 }
 
 /* The max number of bytes to copy per packet. */
@@ -373,7 +495,7 @@ void r600_cp_dma_copy_buffer(struct r600_context *rctx,
                             struct pipe_resource *src, uint64_t src_offset,
                             unsigned size)
 {
-       struct radeon_winsys_cs *cs = rctx->b.rings.gfx.cs;
+       struct radeon_winsys_cs *cs = rctx->b.gfx.cs;
 
        assert(size);
        assert(rctx->screen->b.has_cp_dma);
@@ -388,15 +510,7 @@ void r600_cp_dma_copy_buffer(struct r600_context *rctx,
        src_offset += r600_resource(src)->gpu_address;
 
        /* Flush the caches where the resources are bound. */
-       rctx->b.flags |= R600_CONTEXT_INV_CONST_CACHE |
-                        R600_CONTEXT_INV_VERTEX_CACHE |
-                        R600_CONTEXT_INV_TEX_CACHE |
-                        R600_CONTEXT_FLUSH_AND_INV |
-                        R600_CONTEXT_FLUSH_AND_INV_CB |
-                        R600_CONTEXT_FLUSH_AND_INV_DB |
-                        R600_CONTEXT_FLUSH_AND_INV_CB_META |
-                        R600_CONTEXT_FLUSH_AND_INV_DB_META |
-                        R600_CONTEXT_STREAMOUT_FLUSH |
+       rctx->b.flags |= r600_get_flush_flags(R600_COHERENCY_SHADER) |
                         R600_CONTEXT_WAIT_3D_IDLE;
 
        /* There are differences between R700 and EG in CP DMA,
@@ -406,7 +520,9 @@ void r600_cp_dma_copy_buffer(struct r600_context *rctx,
                unsigned byte_count = MIN2(size, CP_DMA_MAX_BYTE_COUNT);
                unsigned src_reloc, dst_reloc;
 
-               r600_need_cs_space(rctx, 10 + (rctx->b.flags ? R600_MAX_FLUSH_CS_DWORDS : 0), FALSE);
+               r600_need_cs_space(rctx,
+                                  10 + (rctx->b.flags ? R600_MAX_FLUSH_CS_DWORDS : 0) +
+                                  3 + R600_MAX_PFP_SYNC_ME_DWORDS, FALSE);
 
                /* Flush the caches for the first copy only. */
                if (rctx->b.flags) {
@@ -419,10 +535,10 @@ void r600_cp_dma_copy_buffer(struct r600_context *rctx,
                }
 
                /* This must be done after r600_need_cs_space. */
-               src_reloc = radeon_add_to_buffer_list(&rctx->b, &rctx->b.rings.gfx, (struct r600_resource*)src,
-                                                 RADEON_USAGE_READ, RADEON_PRIO_MIN);
-               dst_reloc = radeon_add_to_buffer_list(&rctx->b, &rctx->b.rings.gfx, (struct r600_resource*)dst,
-                                                 RADEON_USAGE_WRITE, RADEON_PRIO_MIN);
+               src_reloc = radeon_add_to_buffer_list(&rctx->b, &rctx->b.gfx, (struct r600_resource*)src,
+                                                 RADEON_USAGE_READ, RADEON_PRIO_CP_DMA);
+               dst_reloc = radeon_add_to_buffer_list(&rctx->b, &rctx->b.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] */
@@ -441,10 +557,17 @@ void r600_cp_dma_copy_buffer(struct r600_context *rctx,
                dst_offset += byte_count;
        }
 
-       /* Invalidate the read caches. */
-       rctx->b.flags |= R600_CONTEXT_INV_CONST_CACHE |
-                        R600_CONTEXT_INV_VERTEX_CACHE |
-                        R600_CONTEXT_INV_TEX_CACHE;
+       /* CP_DMA_CP_SYNC doesn't wait for idle on R6xx, but this does. */
+       if (rctx->b.chip_class == R600)
+               radeon_set_config_reg(cs, R_008040_WAIT_UNTIL,
+                                     S_008040_WAIT_CP_DMA_IDLE(1));
+
+       /* CP DMA is executed in ME, but index buffers are read by PFP.
+        * This ensures that ME (CP DMA) is idle before PFP starts fetching
+        * indices. If we wanted to execute CP DMA in PFP, this packet
+        * should precede it.
+        */
+       r600_emit_pfp_sync_me(rctx);
 }
 
 void r600_dma_copy_buffer(struct r600_context *rctx,
@@ -454,7 +577,7 @@ void r600_dma_copy_buffer(struct r600_context *rctx,
                          uint64_t src_offset,
                          uint64_t size)
 {
-       struct radeon_winsys_cs *cs = rctx->b.rings.dma.cs;
+       struct radeon_winsys_cs *cs = rctx->b.dma.cs;
        unsigned i, ncopy, csize;
        struct r600_resource *rdst = (struct r600_resource*)dst;
        struct r600_resource *rsrc = (struct r600_resource*)src;
@@ -468,19 +591,19 @@ void r600_dma_copy_buffer(struct r600_context *rctx,
        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->b, ncopy * 5);
+       r600_need_dma_space(&rctx->b, ncopy * 5, rdst, rsrc);
        for (i = 0; i < ncopy; i++) {
                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_MIN);
-               radeon_add_to_buffer_list(&rctx->b, &rctx->b.rings.dma, rdst, RADEON_USAGE_WRITE,
-                                     RADEON_PRIO_MIN);
-               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;
+               radeon_add_to_buffer_list(&rctx->b, &rctx->b.dma, rsrc, RADEON_USAGE_READ,
+                                     RADEON_PRIO_SDMA_BUFFER);
+               radeon_add_to_buffer_list(&rctx->b, &rctx->b.dma, rdst, RADEON_USAGE_WRITE,
+                                     RADEON_PRIO_SDMA_BUFFER);
+               radeon_emit(cs, DMA_PACKET(DMA_PACKET_COPY, 0, 0, csize));
+               radeon_emit(cs, dst_offset & 0xfffffffc);
+               radeon_emit(cs, src_offset & 0xfffffffc);
+               radeon_emit(cs, (dst_offset >> 32UL) & 0xff);
+               radeon_emit(cs, (src_offset >> 32UL) & 0xff);
                dst_offset += csize << 2;
                src_offset += csize << 2;
                size -= csize;