/* $OpenBSD: r600_blit_kms.c,v 1.1 2013/08/12 04:11:53 jsg Exp $ */ /* * Copyright 2009 Advanced Micro Devices, Inc. * Copyright 2009 Red Hat Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDER(S) AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. * */ #include #include #include "radeon.h" #include "r600d.h" #include "r600_blit_shaders.h" #include "radeon_blit_common.h" int r600_blit_init(struct radeon_device *rdev); void r600_blit_fini(struct radeon_device *rdev); int r600_blit_prepare_copy(struct radeon_device *rdev, unsigned num_gpu_pages, struct radeon_fence **fence, struct radeon_sa_bo **vb, struct radeon_semaphore **sem); void r600_blit_done_copy(struct radeon_device *rdev, struct radeon_fence **fence, struct radeon_sa_bo *vb, struct radeon_semaphore *sem); void r600_kms_blit_copy(struct radeon_device *rdev, u64 src_gpu_addr, u64 dst_gpu_addr, unsigned num_gpu_pages, struct radeon_sa_bo *vb); /* emits 21 on rv770+, 23 on r600 */ static void set_render_target(struct radeon_device *rdev, int format, int w, int h, u64 gpu_addr) { struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; u32 cb_color_info; int pitch, slice; h = roundup2(h, 8); if (h < 8) h = 8; cb_color_info = CB_FORMAT(format) | CB_SOURCE_FORMAT(CB_SF_EXPORT_NORM) | CB_ARRAY_MODE(ARRAY_1D_TILED_THIN1); pitch = (w / 8) - 1; slice = ((w * h) / 64) - 1; radeon_ring_write(ring, PACKET3(PACKET3_SET_CONTEXT_REG, 1)); radeon_ring_write(ring, (CB_COLOR0_BASE - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2); radeon_ring_write(ring, gpu_addr >> 8); if (rdev->family > CHIP_R600 && rdev->family < CHIP_RV770) { radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_BASE_UPDATE, 0)); radeon_ring_write(ring, 2 << 0); } radeon_ring_write(ring, PACKET3(PACKET3_SET_CONTEXT_REG, 1)); radeon_ring_write(ring, (CB_COLOR0_SIZE - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2); radeon_ring_write(ring, (pitch << 0) | (slice << 10)); radeon_ring_write(ring, PACKET3(PACKET3_SET_CONTEXT_REG, 1)); radeon_ring_write(ring, (CB_COLOR0_VIEW - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2); radeon_ring_write(ring, 0); radeon_ring_write(ring, PACKET3(PACKET3_SET_CONTEXT_REG, 1)); radeon_ring_write(ring, (CB_COLOR0_INFO - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2); radeon_ring_write(ring, cb_color_info); radeon_ring_write(ring, PACKET3(PACKET3_SET_CONTEXT_REG, 1)); radeon_ring_write(ring, (CB_COLOR0_TILE - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2); radeon_ring_write(ring, 0); radeon_ring_write(ring, PACKET3(PACKET3_SET_CONTEXT_REG, 1)); radeon_ring_write(ring, (CB_COLOR0_FRAG - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2); radeon_ring_write(ring, 0); radeon_ring_write(ring, PACKET3(PACKET3_SET_CONTEXT_REG, 1)); radeon_ring_write(ring, (CB_COLOR0_MASK - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2); radeon_ring_write(ring, 0); } /* emits 5dw */ static void cp_set_surface_sync(struct radeon_device *rdev, u32 sync_type, u32 size, u64 mc_addr) { struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; u32 cp_coher_size; if (size == 0xffffffff) cp_coher_size = 0xffffffff; else cp_coher_size = ((size + 255) >> 8); radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3)); radeon_ring_write(ring, sync_type); radeon_ring_write(ring, cp_coher_size); radeon_ring_write(ring, mc_addr >> 8); radeon_ring_write(ring, 10); /* poll interval */ } /* emits 21dw + 1 surface sync = 26dw */ static void set_shaders(struct radeon_device *rdev) { struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; u64 gpu_addr; u32 sq_pgm_resources; /* setup shader regs */ sq_pgm_resources = (1 << 0); /* VS */ gpu_addr = rdev->r600_blit.shader_gpu_addr + rdev->r600_blit.vs_offset; radeon_ring_write(ring, PACKET3(PACKET3_SET_CONTEXT_REG, 1)); radeon_ring_write(ring, (SQ_PGM_START_VS - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2); radeon_ring_write(ring, gpu_addr >> 8); radeon_ring_write(ring, PACKET3(PACKET3_SET_CONTEXT_REG, 1)); radeon_ring_write(ring, (SQ_PGM_RESOURCES_VS - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2); radeon_ring_write(ring, sq_pgm_resources); radeon_ring_write(ring, PACKET3(PACKET3_SET_CONTEXT_REG, 1)); radeon_ring_write(ring, (SQ_PGM_CF_OFFSET_VS - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2); radeon_ring_write(ring, 0); /* PS */ gpu_addr = rdev->r600_blit.shader_gpu_addr + rdev->r600_blit.ps_offset; radeon_ring_write(ring, PACKET3(PACKET3_SET_CONTEXT_REG, 1)); radeon_ring_write(ring, (SQ_PGM_START_PS - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2); radeon_ring_write(ring, gpu_addr >> 8); radeon_ring_write(ring, PACKET3(PACKET3_SET_CONTEXT_REG, 1)); radeon_ring_write(ring, (SQ_PGM_RESOURCES_PS - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2); radeon_ring_write(ring, sq_pgm_resources | (1 << 28)); radeon_ring_write(ring, PACKET3(PACKET3_SET_CONTEXT_REG, 1)); radeon_ring_write(ring, (SQ_PGM_EXPORTS_PS - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2); radeon_ring_write(ring, 2); radeon_ring_write(ring, PACKET3(PACKET3_SET_CONTEXT_REG, 1)); radeon_ring_write(ring, (SQ_PGM_CF_OFFSET_PS - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2); radeon_ring_write(ring, 0); gpu_addr = rdev->r600_blit.shader_gpu_addr + rdev->r600_blit.vs_offset; cp_set_surface_sync(rdev, PACKET3_SH_ACTION_ENA, 512, gpu_addr); } /* emits 9 + 1 sync (5) = 14*/ static void set_vtx_resource(struct radeon_device *rdev, u64 gpu_addr) { struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; u32 sq_vtx_constant_word2; sq_vtx_constant_word2 = SQ_VTXC_BASE_ADDR_HI(upper_32_bits(gpu_addr) & 0xff) | SQ_VTXC_STRIDE(16); #ifdef __BIG_ENDIAN sq_vtx_constant_word2 |= SQ_VTXC_ENDIAN_SWAP(SQ_ENDIAN_8IN32); #endif radeon_ring_write(ring, PACKET3(PACKET3_SET_RESOURCE, 7)); radeon_ring_write(ring, 0x460); radeon_ring_write(ring, gpu_addr & 0xffffffff); radeon_ring_write(ring, 48 - 1); radeon_ring_write(ring, sq_vtx_constant_word2); radeon_ring_write(ring, 1 << 0); radeon_ring_write(ring, 0); radeon_ring_write(ring, 0); radeon_ring_write(ring, SQ_TEX_VTX_VALID_BUFFER << 30); if ((rdev->family == CHIP_RV610) || (rdev->family == CHIP_RV620) || (rdev->family == CHIP_RS780) || (rdev->family == CHIP_RS880) || (rdev->family == CHIP_RV710)) cp_set_surface_sync(rdev, PACKET3_TC_ACTION_ENA, 48, gpu_addr); else cp_set_surface_sync(rdev, PACKET3_VC_ACTION_ENA, 48, gpu_addr); } /* emits 9 */ static void set_tex_resource(struct radeon_device *rdev, int format, int w, int h, int pitch, u64 gpu_addr, u32 size) { struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; uint32_t sq_tex_resource_word0, sq_tex_resource_word1, sq_tex_resource_word4; if (h < 1) h = 1; sq_tex_resource_word0 = S_038000_DIM(V_038000_SQ_TEX_DIM_2D) | S_038000_TILE_MODE(V_038000_ARRAY_1D_TILED_THIN1); sq_tex_resource_word0 |= S_038000_PITCH((pitch >> 3) - 1) | S_038000_TEX_WIDTH(w - 1); sq_tex_resource_word1 = S_038004_DATA_FORMAT(format); sq_tex_resource_word1 |= S_038004_TEX_HEIGHT(h - 1); sq_tex_resource_word4 = S_038010_REQUEST_SIZE(1) | S_038010_DST_SEL_X(SQ_SEL_X) | S_038010_DST_SEL_Y(SQ_SEL_Y) | S_038010_DST_SEL_Z(SQ_SEL_Z) | S_038010_DST_SEL_W(SQ_SEL_W); cp_set_surface_sync(rdev, PACKET3_TC_ACTION_ENA, size, gpu_addr); radeon_ring_write(ring, PACKET3(PACKET3_SET_RESOURCE, 7)); radeon_ring_write(ring, 0); radeon_ring_write(ring, sq_tex_resource_word0); radeon_ring_write(ring, sq_tex_resource_word1); radeon_ring_write(ring, gpu_addr >> 8); radeon_ring_write(ring, gpu_addr >> 8); radeon_ring_write(ring, sq_tex_resource_word4); radeon_ring_write(ring, 0); radeon_ring_write(ring, SQ_TEX_VTX_VALID_TEXTURE << 30); } /* emits 12 */ static void set_scissors(struct radeon_device *rdev, int x1, int y1, int x2, int y2) { struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; radeon_ring_write(ring, PACKET3(PACKET3_SET_CONTEXT_REG, 2)); radeon_ring_write(ring, (PA_SC_SCREEN_SCISSOR_TL - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2); radeon_ring_write(ring, (x1 << 0) | (y1 << 16)); radeon_ring_write(ring, (x2 << 0) | (y2 << 16)); radeon_ring_write(ring, PACKET3(PACKET3_SET_CONTEXT_REG, 2)); radeon_ring_write(ring, (PA_SC_GENERIC_SCISSOR_TL - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2); radeon_ring_write(ring, (x1 << 0) | (y1 << 16) | (1 << 31)); radeon_ring_write(ring, (x2 << 0) | (y2 << 16)); radeon_ring_write(ring, PACKET3(PACKET3_SET_CONTEXT_REG, 2)); radeon_ring_write(ring, (PA_SC_WINDOW_SCISSOR_TL - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2); radeon_ring_write(ring, (x1 << 0) | (y1 << 16) | (1 << 31)); radeon_ring_write(ring, (x2 << 0) | (y2 << 16)); } /* emits 10 */ static void draw_auto(struct radeon_device *rdev) { struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1)); radeon_ring_write(ring, (VGT_PRIMITIVE_TYPE - PACKET3_SET_CONFIG_REG_OFFSET) >> 2); radeon_ring_write(ring, DI_PT_RECTLIST); radeon_ring_write(ring, PACKET3(PACKET3_INDEX_TYPE, 0)); radeon_ring_write(ring, #ifdef __BIG_ENDIAN (2 << 2) | #endif DI_INDEX_SIZE_16_BIT); radeon_ring_write(ring, PACKET3(PACKET3_NUM_INSTANCES, 0)); radeon_ring_write(ring, 1); radeon_ring_write(ring, PACKET3(PACKET3_DRAW_INDEX_AUTO, 1)); radeon_ring_write(ring, 3); radeon_ring_write(ring, DI_SRC_SEL_AUTO_INDEX); } /* emits 14 */ static void set_default_state(struct radeon_device *rdev) { struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; u32 sq_config, sq_gpr_resource_mgmt_1, sq_gpr_resource_mgmt_2; u32 sq_thread_resource_mgmt, sq_stack_resource_mgmt_1, sq_stack_resource_mgmt_2; int num_ps_gprs, num_vs_gprs, num_temp_gprs, num_gs_gprs, num_es_gprs; int num_ps_threads, num_vs_threads, num_gs_threads, num_es_threads; int num_ps_stack_entries, num_vs_stack_entries, num_gs_stack_entries, num_es_stack_entries; u64 gpu_addr; int dwords; switch (rdev->family) { case CHIP_R600: num_ps_gprs = 192; num_vs_gprs = 56; num_temp_gprs = 4; num_gs_gprs = 0; num_es_gprs = 0; num_ps_threads = 136; num_vs_threads = 48; num_gs_threads = 4; num_es_threads = 4; num_ps_stack_entries = 128; num_vs_stack_entries = 128; num_gs_stack_entries = 0; num_es_stack_entries = 0; break; case CHIP_RV630: case CHIP_RV635: num_ps_gprs = 84; num_vs_gprs = 36; num_temp_gprs = 4; num_gs_gprs = 0; num_es_gprs = 0; num_ps_threads = 144; num_vs_threads = 40; num_gs_threads = 4; num_es_threads = 4; num_ps_stack_entries = 40; num_vs_stack_entries = 40; num_gs_stack_entries = 32; num_es_stack_entries = 16; break; case CHIP_RV610: case CHIP_RV620: case CHIP_RS780: case CHIP_RS880: default: num_ps_gprs = 84; num_vs_gprs = 36; num_temp_gprs = 4; num_gs_gprs = 0; num_es_gprs = 0; num_ps_threads = 136; num_vs_threads = 48; num_gs_threads = 4; num_es_threads = 4; num_ps_stack_entries = 40; num_vs_stack_entries = 40; num_gs_stack_entries = 32; num_es_stack_entries = 16; break; case CHIP_RV670: num_ps_gprs = 144; num_vs_gprs = 40; num_temp_gprs = 4; num_gs_gprs = 0; num_es_gprs = 0; num_ps_threads = 136; num_vs_threads = 48; num_gs_threads = 4; num_es_threads = 4; num_ps_stack_entries = 40; num_vs_stack_entries = 40; num_gs_stack_entries = 32; num_es_stack_entries = 16; break; case CHIP_RV770: num_ps_gprs = 192; num_vs_gprs = 56; num_temp_gprs = 4; num_gs_gprs = 0; num_es_gprs = 0; num_ps_threads = 188; num_vs_threads = 60; num_gs_threads = 0; num_es_threads = 0; num_ps_stack_entries = 256; num_vs_stack_entries = 256; num_gs_stack_entries = 0; num_es_stack_entries = 0; break; case CHIP_RV730: case CHIP_RV740: num_ps_gprs = 84; num_vs_gprs = 36; num_temp_gprs = 4; num_gs_gprs = 0; num_es_gprs = 0; num_ps_threads = 188; num_vs_threads = 60; num_gs_threads = 0; num_es_threads = 0; num_ps_stack_entries = 128; num_vs_stack_entries = 128; num_gs_stack_entries = 0; num_es_stack_entries = 0; break; case CHIP_RV710: num_ps_gprs = 192; num_vs_gprs = 56; num_temp_gprs = 4; num_gs_gprs = 0; num_es_gprs = 0; num_ps_threads = 144; num_vs_threads = 48; num_gs_threads = 0; num_es_threads = 0; num_ps_stack_entries = 128; num_vs_stack_entries = 128; num_gs_stack_entries = 0; num_es_stack_entries = 0; break; } if ((rdev->family == CHIP_RV610) || (rdev->family == CHIP_RV620) || (rdev->family == CHIP_RS780) || (rdev->family == CHIP_RS880) || (rdev->family == CHIP_RV710)) sq_config = 0; else sq_config = VC_ENABLE; sq_config |= (DX9_CONSTS | ALU_INST_PREFER_VECTOR | PS_PRIO(0) | VS_PRIO(1) | GS_PRIO(2) | ES_PRIO(3)); sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(num_ps_gprs) | NUM_VS_GPRS(num_vs_gprs) | NUM_CLAUSE_TEMP_GPRS(num_temp_gprs)); sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(num_gs_gprs) | NUM_ES_GPRS(num_es_gprs)); sq_thread_resource_mgmt = (NUM_PS_THREADS(num_ps_threads) | NUM_VS_THREADS(num_vs_threads) | NUM_GS_THREADS(num_gs_threads) | NUM_ES_THREADS(num_es_threads)); sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(num_ps_stack_entries) | NUM_VS_STACK_ENTRIES(num_vs_stack_entries)); sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(num_gs_stack_entries) | NUM_ES_STACK_ENTRIES(num_es_stack_entries)); /* emit an IB pointing at default state */ dwords = roundup2(rdev->r600_blit.state_len, 0x10); gpu_addr = rdev->r600_blit.shader_gpu_addr + rdev->r600_blit.state_offset; radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2)); radeon_ring_write(ring, #ifdef __BIG_ENDIAN (2 << 0) | #endif (gpu_addr & 0xFFFFFFFC)); radeon_ring_write(ring, upper_32_bits(gpu_addr) & 0xFF); radeon_ring_write(ring, dwords); /* SQ config */ radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 6)); radeon_ring_write(ring, (SQ_CONFIG - PACKET3_SET_CONFIG_REG_OFFSET) >> 2); radeon_ring_write(ring, sq_config); radeon_ring_write(ring, sq_gpr_resource_mgmt_1); radeon_ring_write(ring, sq_gpr_resource_mgmt_2); radeon_ring_write(ring, sq_thread_resource_mgmt); radeon_ring_write(ring, sq_stack_resource_mgmt_1); radeon_ring_write(ring, sq_stack_resource_mgmt_2); } int r600_blit_init(struct radeon_device *rdev) { u32 obj_size; int i, r, dwords; void *ptr; u32 packet2s[16]; int num_packet2s = 0; rdev->r600_blit.primitives.set_render_target = set_render_target; rdev->r600_blit.primitives.cp_set_surface_sync = cp_set_surface_sync; rdev->r600_blit.primitives.set_shaders = set_shaders; rdev->r600_blit.primitives.set_vtx_resource = set_vtx_resource; rdev->r600_blit.primitives.set_tex_resource = set_tex_resource; rdev->r600_blit.primitives.set_scissors = set_scissors; rdev->r600_blit.primitives.draw_auto = draw_auto; rdev->r600_blit.primitives.set_default_state = set_default_state; rdev->r600_blit.ring_size_common = 8; /* sync semaphore */ rdev->r600_blit.ring_size_common += 40; /* shaders + def state */ rdev->r600_blit.ring_size_common += 5; /* done copy */ rdev->r600_blit.ring_size_common += 16; /* fence emit for done copy */ rdev->r600_blit.ring_size_per_loop = 76; /* set_render_target emits 2 extra dwords on rv6xx */ if (rdev->family > CHIP_R600 && rdev->family < CHIP_RV770) rdev->r600_blit.ring_size_per_loop += 2; rdev->r600_blit.max_dim = 8192; rdev->r600_blit.state_offset = 0; if (rdev->family >= CHIP_RV770) rdev->r600_blit.state_len = r7xx_default_size; else rdev->r600_blit.state_len = r6xx_default_size; dwords = rdev->r600_blit.state_len; while (dwords & 0xf) { packet2s[num_packet2s++] = cpu_to_le32(PACKET2(0)); dwords++; } obj_size = dwords * 4; obj_size = roundup2(obj_size, 256); rdev->r600_blit.vs_offset = obj_size; obj_size += r6xx_vs_size * 4; obj_size = roundup2(obj_size, 256); rdev->r600_blit.ps_offset = obj_size; obj_size += r6xx_ps_size * 4; obj_size = roundup2(obj_size, 256); /* pin copy shader into vram if not already initialized */ if (rdev->r600_blit.shader_obj == NULL) { r = radeon_bo_create(rdev, obj_size, PAGE_SIZE, true, RADEON_GEM_DOMAIN_VRAM, NULL, &rdev->r600_blit.shader_obj); if (r) { DRM_ERROR("r600 failed to allocate shader\n"); return r; } r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false); if (unlikely(r != 0)) return r; r = radeon_bo_pin(rdev->r600_blit.shader_obj, RADEON_GEM_DOMAIN_VRAM, &rdev->r600_blit.shader_gpu_addr); radeon_bo_unreserve(rdev->r600_blit.shader_obj); if (r) { dev_err(rdev->dev, "(%d) pin blit object failed\n", r); return r; } } DRM_DEBUG("r6xx blit allocated bo %08x vs %08x ps %08x\n", obj_size, rdev->r600_blit.vs_offset, rdev->r600_blit.ps_offset); r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false); if (unlikely(r != 0)) return r; r = radeon_bo_kmap(rdev->r600_blit.shader_obj, &ptr); if (r) { DRM_ERROR("failed to map blit object %d\n", r); return r; } if (rdev->family >= CHIP_RV770) memcpy(ptr + rdev->r600_blit.state_offset, r7xx_default_state, rdev->r600_blit.state_len * 4); else memcpy(ptr + rdev->r600_blit.state_offset, r6xx_default_state, rdev->r600_blit.state_len * 4); if (num_packet2s) memcpy(ptr + rdev->r600_blit.state_offset + (rdev->r600_blit.state_len * 4), packet2s, num_packet2s * 4); for (i = 0; i < r6xx_vs_size; i++) *(u32 *)((unsigned long)ptr + rdev->r600_blit.vs_offset + i * 4) = cpu_to_le32(r6xx_vs[i]); for (i = 0; i < r6xx_ps_size; i++) *(u32 *)((unsigned long)ptr + rdev->r600_blit.ps_offset + i * 4) = cpu_to_le32(r6xx_ps[i]); radeon_bo_kunmap(rdev->r600_blit.shader_obj); radeon_bo_unreserve(rdev->r600_blit.shader_obj); radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size); return 0; } void r600_blit_fini(struct radeon_device *rdev) { int r; radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size); if (rdev->r600_blit.shader_obj == NULL) return; /* If we can't reserve the bo, unref should be enough to destroy * it when it becomes idle. */ r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false); if (!r) { radeon_bo_unpin(rdev->r600_blit.shader_obj); radeon_bo_unreserve(rdev->r600_blit.shader_obj); } radeon_bo_unref(&rdev->r600_blit.shader_obj); } static unsigned r600_blit_create_rect(unsigned num_gpu_pages, int *width, int *height, int max_dim) { unsigned max_pages; unsigned pages = num_gpu_pages; int w, h; if (num_gpu_pages == 0) { /* not supposed to be called with no pages, but just in case */ h = 0; w = 0; pages = 0; WARN_ON(1); } else { int rect_order = 2; h = RECT_UNIT_H; while (num_gpu_pages / rect_order) { h *= 2; rect_order *= 4; if (h >= max_dim) { h = max_dim; break; } } max_pages = (max_dim * h) / (RECT_UNIT_W * RECT_UNIT_H); if (pages > max_pages) pages = max_pages; w = (pages * RECT_UNIT_W * RECT_UNIT_H) / h; w = (w / RECT_UNIT_W) * RECT_UNIT_W; pages = (w * h) / (RECT_UNIT_W * RECT_UNIT_H); BUG_ON(pages == 0); } DRM_DEBUG("blit_rectangle: h=%d, w=%d, pages=%d\n", h, w, pages); /* return width and height only of the caller wants it */ if (height) *height = h; if (width) *width = w; return pages; } int r600_blit_prepare_copy(struct radeon_device *rdev, unsigned num_gpu_pages, struct radeon_fence **fence, struct radeon_sa_bo **vb, struct radeon_semaphore **sem) { struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; int r; int ring_size; int num_loops = 0; int dwords_per_loop = rdev->r600_blit.ring_size_per_loop; /* num loops */ while (num_gpu_pages) { num_gpu_pages -= r600_blit_create_rect(num_gpu_pages, NULL, NULL, rdev->r600_blit.max_dim); num_loops++; } /* 48 bytes for vertex per loop */ r = radeon_sa_bo_new(rdev, &rdev->ring_tmp_bo, vb, (num_loops*48)+256, 256, true); if (r) { return r; } r = radeon_semaphore_create(rdev, sem); if (r) { radeon_sa_bo_free(rdev, vb, NULL); return r; } /* calculate number of loops correctly */ ring_size = num_loops * dwords_per_loop; ring_size += rdev->r600_blit.ring_size_common; r = radeon_ring_lock(rdev, ring, ring_size); if (r) { radeon_sa_bo_free(rdev, vb, NULL); radeon_semaphore_free(rdev, sem, NULL); return r; } if (radeon_fence_need_sync(*fence, RADEON_RING_TYPE_GFX_INDEX)) { radeon_semaphore_sync_rings(rdev, *sem, (*fence)->ring, RADEON_RING_TYPE_GFX_INDEX); radeon_fence_note_sync(*fence, RADEON_RING_TYPE_GFX_INDEX); } else { radeon_semaphore_free(rdev, sem, NULL); } rdev->r600_blit.primitives.set_default_state(rdev); rdev->r600_blit.primitives.set_shaders(rdev); return 0; } void r600_blit_done_copy(struct radeon_device *rdev, struct radeon_fence **fence, struct radeon_sa_bo *vb, struct radeon_semaphore *sem) { struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; int r; r = radeon_fence_emit(rdev, fence, RADEON_RING_TYPE_GFX_INDEX); if (r) { radeon_ring_unlock_undo(rdev, ring); return; } radeon_ring_unlock_commit(rdev, ring); radeon_sa_bo_free(rdev, &vb, *fence); radeon_semaphore_free(rdev, &sem, *fence); } void r600_kms_blit_copy(struct radeon_device *rdev, u64 src_gpu_addr, u64 dst_gpu_addr, unsigned num_gpu_pages, struct radeon_sa_bo *vb) { u64 vb_gpu_addr; u32 *vb_cpu_addr; DRM_DEBUG("emitting copy %16llx %16llx %d\n", src_gpu_addr, dst_gpu_addr, num_gpu_pages); vb_cpu_addr = (u32 *)radeon_sa_bo_cpu_addr(vb); vb_gpu_addr = radeon_sa_bo_gpu_addr(vb); while (num_gpu_pages) { int w, h; unsigned size_in_bytes; unsigned pages_per_loop = r600_blit_create_rect(num_gpu_pages, &w, &h, rdev->r600_blit.max_dim); size_in_bytes = pages_per_loop * RADEON_GPU_PAGE_SIZE; DRM_DEBUG("rectangle w=%d h=%d\n", w, h); vb_cpu_addr[0] = 0; vb_cpu_addr[1] = 0; vb_cpu_addr[2] = 0; vb_cpu_addr[3] = 0; vb_cpu_addr[4] = 0; vb_cpu_addr[5] = int2float(h); vb_cpu_addr[6] = 0; vb_cpu_addr[7] = int2float(h); vb_cpu_addr[8] = int2float(w); vb_cpu_addr[9] = int2float(h); vb_cpu_addr[10] = int2float(w); vb_cpu_addr[11] = int2float(h); rdev->r600_blit.primitives.set_tex_resource(rdev, FMT_8_8_8_8, w, h, w, src_gpu_addr, size_in_bytes); rdev->r600_blit.primitives.set_render_target(rdev, COLOR_8_8_8_8, w, h, dst_gpu_addr); rdev->r600_blit.primitives.set_scissors(rdev, 0, 0, w, h); rdev->r600_blit.primitives.set_vtx_resource(rdev, vb_gpu_addr); rdev->r600_blit.primitives.draw_auto(rdev); rdev->r600_blit.primitives.cp_set_surface_sync(rdev, PACKET3_CB_ACTION_ENA | PACKET3_CB0_DEST_BASE_ENA, size_in_bytes, dst_gpu_addr); vb_cpu_addr += 12; vb_gpu_addr += 4*12; src_gpu_addr += size_in_bytes; dst_gpu_addr += size_in_bytes; num_gpu_pages -= pages_per_loop; } } /* 23 bits of float fractional data */ #define I2F_FRAC_BITS 23 #define I2F_MASK ((1 << I2F_FRAC_BITS) - 1) /* * Converts unsigned integer into 32-bit IEEE floating point representation. * Will be exact from 0 to 2^24. Above that, we round towards zero * as the fractional bits will not fit in a float. (It would be better to * round towards even as the fpu does, but that is slower.) */ __pure uint32_t int2float(uint32_t x) { uint32_t msb, exponent, fraction; /* Zero is special */ if (!x) return 0; /* Get location of the most significant bit */ msb = fls(x); /* * Use a rotate instead of a shift because that works both leftwards * and rightwards due to the mod(32) behaviour. This means we don't * need to check to see if we are above 2^24 or not. */ fraction = ror32(x, (msb - I2F_FRAC_BITS) & 0x1f) & I2F_MASK; exponent = (127 + msb) << I2F_FRAC_BITS; return fraction + exponent; }