| /* |
| * 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 "drmP.h" |
| #include "drm.h" |
| #include "radeon_drm.h" |
| #include "radeon.h" |
| |
| #include "r600d.h" |
| #include "r600_blit_shaders.h" |
| |
| #define DI_PT_RECTLIST 0x11 |
| #define DI_INDEX_SIZE_16_BIT 0x0 |
| #define DI_SRC_SEL_AUTO_INDEX 0x2 |
| |
| #define FMT_8 0x1 |
| #define FMT_5_6_5 0x8 |
| #define FMT_8_8_8_8 0x1a |
| #define COLOR_8 0x1 |
| #define COLOR_5_6_5 0x8 |
| #define COLOR_8_8_8_8 0x1a |
| |
| #define RECT_UNIT_H 32 |
| #define RECT_UNIT_W (RADEON_GPU_PAGE_SIZE / 4 / RECT_UNIT_H) |
| #define MAX_RECT_DIM 8192 |
| |
| /* 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) |
| { |
| u32 cb_color_info; |
| int pitch, slice; |
| |
| h = ALIGN(h, 8); |
| if (h < 8) |
| h = 8; |
| |
| cb_color_info = ((format << 2) | (1 << 27) | (1 << 8)); |
| pitch = (w / 8) - 1; |
| slice = ((w * h) / 64) - 1; |
| |
| radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1)); |
| radeon_ring_write(rdev, (CB_COLOR0_BASE - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2); |
| radeon_ring_write(rdev, gpu_addr >> 8); |
| |
| if (rdev->family > CHIP_R600 && rdev->family < CHIP_RV770) { |
| radeon_ring_write(rdev, PACKET3(PACKET3_SURFACE_BASE_UPDATE, 0)); |
| radeon_ring_write(rdev, 2 << 0); |
| } |
| |
| radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1)); |
| radeon_ring_write(rdev, (CB_COLOR0_SIZE - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2); |
| radeon_ring_write(rdev, (pitch << 0) | (slice << 10)); |
| |
| radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1)); |
| radeon_ring_write(rdev, (CB_COLOR0_VIEW - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2); |
| radeon_ring_write(rdev, 0); |
| |
| radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1)); |
| radeon_ring_write(rdev, (CB_COLOR0_INFO - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2); |
| radeon_ring_write(rdev, cb_color_info); |
| |
| radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1)); |
| radeon_ring_write(rdev, (CB_COLOR0_TILE - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2); |
| radeon_ring_write(rdev, 0); |
| |
| radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1)); |
| radeon_ring_write(rdev, (CB_COLOR0_FRAG - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2); |
| radeon_ring_write(rdev, 0); |
| |
| radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1)); |
| radeon_ring_write(rdev, (CB_COLOR0_MASK - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2); |
| radeon_ring_write(rdev, 0); |
| } |
| |
| /* emits 5dw */ |
| static void |
| cp_set_surface_sync(struct radeon_device *rdev, |
| u32 sync_type, u32 size, |
| u64 mc_addr) |
| { |
| u32 cp_coher_size; |
| |
| if (size == 0xffffffff) |
| cp_coher_size = 0xffffffff; |
| else |
| cp_coher_size = ((size + 255) >> 8); |
| |
| radeon_ring_write(rdev, PACKET3(PACKET3_SURFACE_SYNC, 3)); |
| radeon_ring_write(rdev, sync_type); |
| radeon_ring_write(rdev, cp_coher_size); |
| radeon_ring_write(rdev, mc_addr >> 8); |
| radeon_ring_write(rdev, 10); /* poll interval */ |
| } |
| |
| /* emits 21dw + 1 surface sync = 26dw */ |
| static void |
| set_shaders(struct radeon_device *rdev) |
| { |
| 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(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1)); |
| radeon_ring_write(rdev, (SQ_PGM_START_VS - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2); |
| radeon_ring_write(rdev, gpu_addr >> 8); |
| |
| radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1)); |
| radeon_ring_write(rdev, (SQ_PGM_RESOURCES_VS - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2); |
| radeon_ring_write(rdev, sq_pgm_resources); |
| |
| radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1)); |
| radeon_ring_write(rdev, (SQ_PGM_CF_OFFSET_VS - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2); |
| radeon_ring_write(rdev, 0); |
| |
| /* PS */ |
| gpu_addr = rdev->r600_blit.shader_gpu_addr + rdev->r600_blit.ps_offset; |
| radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1)); |
| radeon_ring_write(rdev, (SQ_PGM_START_PS - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2); |
| radeon_ring_write(rdev, gpu_addr >> 8); |
| |
| radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1)); |
| radeon_ring_write(rdev, (SQ_PGM_RESOURCES_PS - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2); |
| radeon_ring_write(rdev, sq_pgm_resources | (1 << 28)); |
| |
| radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1)); |
| radeon_ring_write(rdev, (SQ_PGM_EXPORTS_PS - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2); |
| radeon_ring_write(rdev, 2); |
| |
| radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1)); |
| radeon_ring_write(rdev, (SQ_PGM_CF_OFFSET_PS - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2); |
| radeon_ring_write(rdev, 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) |
| { |
| u32 sq_vtx_constant_word2; |
| |
| sq_vtx_constant_word2 = ((upper_32_bits(gpu_addr) & 0xff) | (16 << 8)); |
| #ifdef __BIG_ENDIAN |
| sq_vtx_constant_word2 |= (2 << 30); |
| #endif |
| |
| radeon_ring_write(rdev, PACKET3(PACKET3_SET_RESOURCE, 7)); |
| radeon_ring_write(rdev, 0x460); |
| radeon_ring_write(rdev, gpu_addr & 0xffffffff); |
| radeon_ring_write(rdev, 48 - 1); |
| radeon_ring_write(rdev, sq_vtx_constant_word2); |
| radeon_ring_write(rdev, 1 << 0); |
| radeon_ring_write(rdev, 0); |
| radeon_ring_write(rdev, 0); |
| radeon_ring_write(rdev, 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) |
| { |
| uint32_t sq_tex_resource_word0, sq_tex_resource_word1, sq_tex_resource_word4; |
| |
| if (h < 1) |
| h = 1; |
| |
| sq_tex_resource_word0 = (1 << 0) | (1 << 3); |
| sq_tex_resource_word0 |= ((((pitch >> 3) - 1) << 8) | |
| ((w - 1) << 19)); |
| |
| sq_tex_resource_word1 = (format << 26); |
| sq_tex_resource_word1 |= ((h - 1) << 0); |
| |
| sq_tex_resource_word4 = ((1 << 14) | |
| (0 << 16) | |
| (1 << 19) | |
| (2 << 22) | |
| (3 << 25)); |
| |
| radeon_ring_write(rdev, PACKET3(PACKET3_SET_RESOURCE, 7)); |
| radeon_ring_write(rdev, 0); |
| radeon_ring_write(rdev, sq_tex_resource_word0); |
| radeon_ring_write(rdev, sq_tex_resource_word1); |
| radeon_ring_write(rdev, gpu_addr >> 8); |
| radeon_ring_write(rdev, gpu_addr >> 8); |
| radeon_ring_write(rdev, sq_tex_resource_word4); |
| radeon_ring_write(rdev, 0); |
| radeon_ring_write(rdev, SQ_TEX_VTX_VALID_TEXTURE << 30); |
| } |
| |
| /* emits 12 */ |
| static void |
| set_scissors(struct radeon_device *rdev, int x1, int y1, |
| int x2, int y2) |
| { |
| radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 2)); |
| radeon_ring_write(rdev, (PA_SC_SCREEN_SCISSOR_TL - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2); |
| radeon_ring_write(rdev, (x1 << 0) | (y1 << 16)); |
| radeon_ring_write(rdev, (x2 << 0) | (y2 << 16)); |
| |
| radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 2)); |
| radeon_ring_write(rdev, (PA_SC_GENERIC_SCISSOR_TL - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2); |
| radeon_ring_write(rdev, (x1 << 0) | (y1 << 16) | (1 << 31)); |
| radeon_ring_write(rdev, (x2 << 0) | (y2 << 16)); |
| |
| radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 2)); |
| radeon_ring_write(rdev, (PA_SC_WINDOW_SCISSOR_TL - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2); |
| radeon_ring_write(rdev, (x1 << 0) | (y1 << 16) | (1 << 31)); |
| radeon_ring_write(rdev, (x2 << 0) | (y2 << 16)); |
| } |
| |
| /* emits 10 */ |
| static void |
| draw_auto(struct radeon_device *rdev) |
| { |
| radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONFIG_REG, 1)); |
| radeon_ring_write(rdev, (VGT_PRIMITIVE_TYPE - PACKET3_SET_CONFIG_REG_OFFSET) >> 2); |
| radeon_ring_write(rdev, DI_PT_RECTLIST); |
| |
| radeon_ring_write(rdev, PACKET3(PACKET3_INDEX_TYPE, 0)); |
| radeon_ring_write(rdev, |
| #ifdef __BIG_ENDIAN |
| (2 << 2) | |
| #endif |
| DI_INDEX_SIZE_16_BIT); |
| |
| radeon_ring_write(rdev, PACKET3(PACKET3_NUM_INSTANCES, 0)); |
| radeon_ring_write(rdev, 1); |
| |
| radeon_ring_write(rdev, PACKET3(PACKET3_DRAW_INDEX_AUTO, 1)); |
| radeon_ring_write(rdev, 3); |
| radeon_ring_write(rdev, DI_SRC_SEL_AUTO_INDEX); |
| |
| } |
| |
| /* emits 14 */ |
| static void |
| set_default_state(struct radeon_device *rdev) |
| { |
| 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 = ALIGN(rdev->r600_blit.state_len, 0x10); |
| gpu_addr = rdev->r600_blit.shader_gpu_addr + rdev->r600_blit.state_offset; |
| radeon_ring_write(rdev, PACKET3(PACKET3_INDIRECT_BUFFER, 2)); |
| radeon_ring_write(rdev, |
| #ifdef __BIG_ENDIAN |
| (2 << 0) | |
| #endif |
| (gpu_addr & 0xFFFFFFFC)); |
| radeon_ring_write(rdev, upper_32_bits(gpu_addr) & 0xFF); |
| radeon_ring_write(rdev, dwords); |
| |
| /* SQ config */ |
| radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONFIG_REG, 6)); |
| radeon_ring_write(rdev, (SQ_CONFIG - PACKET3_SET_CONFIG_REG_OFFSET) >> 2); |
| radeon_ring_write(rdev, sq_config); |
| radeon_ring_write(rdev, sq_gpr_resource_mgmt_1); |
| radeon_ring_write(rdev, sq_gpr_resource_mgmt_2); |
| radeon_ring_write(rdev, sq_thread_resource_mgmt); |
| radeon_ring_write(rdev, sq_stack_resource_mgmt_1); |
| radeon_ring_write(rdev, sq_stack_resource_mgmt_2); |
| } |
| |
| static uint32_t i2f(uint32_t input) |
| { |
| u32 result, i, exponent, fraction; |
| |
| if ((input & 0x3fff) == 0) |
| result = 0; /* 0 is a special case */ |
| else { |
| exponent = 140; /* exponent biased by 127; */ |
| fraction = (input & 0x3fff) << 10; /* cheat and only |
| handle numbers below 2^^15 */ |
| for (i = 0; i < 14; i++) { |
| if (fraction & 0x800000) |
| break; |
| else { |
| fraction = fraction << 1; /* keep |
| shifting left until top bit = 1 */ |
| exponent = exponent - 1; |
| } |
| } |
| result = exponent << 23 | (fraction & 0x7fffff); /* mask |
| off top bit; assumed 1 */ |
| } |
| return result; |
| } |
| |
| int r600_blit_init(struct radeon_device *rdev) |
| { |
| u32 obj_size; |
| int i, r, dwords; |
| void *ptr; |
| u32 packet2s[16]; |
| int num_packet2s = 0; |
| |
| /* pin copy shader into vram if already initialized */ |
| if (rdev->r600_blit.shader_obj) |
| goto done; |
| |
| mutex_init(&rdev->r600_blit.mutex); |
| 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 = ALIGN(obj_size, 256); |
| |
| rdev->r600_blit.vs_offset = obj_size; |
| obj_size += r6xx_vs_size * 4; |
| obj_size = ALIGN(obj_size, 256); |
| |
| rdev->r600_blit.ps_offset = obj_size; |
| obj_size += r6xx_ps_size * 4; |
| obj_size = ALIGN(obj_size, 256); |
| |
| r = radeon_bo_create(rdev, obj_size, PAGE_SIZE, true, RADEON_GEM_DOMAIN_VRAM, |
| &rdev->r600_blit.shader_obj); |
| if (r) { |
| DRM_ERROR("r600 failed to allocate shader\n"); |
| 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_toio(ptr + rdev->r600_blit.state_offset, |
| r7xx_default_state, rdev->r600_blit.state_len * 4); |
| else |
| memcpy_toio(ptr + rdev->r600_blit.state_offset, |
| r6xx_default_state, rdev->r600_blit.state_len * 4); |
| if (num_packet2s) |
| memcpy_toio(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); |
| |
| done: |
| 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; |
| } |
| 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 int r600_vb_ib_get(struct radeon_device *rdev) |
| { |
| int r; |
| r = radeon_ib_get(rdev, &rdev->r600_blit.vb_ib); |
| if (r) { |
| DRM_ERROR("failed to get IB for vertex buffer\n"); |
| return r; |
| } |
| |
| rdev->r600_blit.vb_total = 64*1024; |
| rdev->r600_blit.vb_used = 0; |
| return 0; |
| } |
| |
| static void r600_vb_ib_put(struct radeon_device *rdev) |
| { |
| radeon_fence_emit(rdev, rdev->r600_blit.vb_ib->fence); |
| radeon_ib_free(rdev, &rdev->r600_blit.vb_ib); |
| } |
| |
| /* FIXME: the function is very similar to evergreen_blit_create_rect, except |
| that it different predefined constants; consider commonizing */ |
| static unsigned r600_blit_create_rect(unsigned num_pages, int *width, int *height) |
| { |
| unsigned max_pages; |
| unsigned pages = num_pages; |
| int w, h; |
| |
| if (num_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_pages / rect_order) { |
| h *= 2; |
| rect_order *= 4; |
| if (h >= MAX_RECT_DIM) { |
| h = MAX_RECT_DIM; |
| break; |
| } |
| } |
| max_pages = (MAX_RECT_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_pages) |
| { |
| int r; |
| int ring_size; |
| /* loops of emits 64 + fence emit possible */ |
| int dwords_per_loop = 76, num_loops = 0; |
| |
| r = r600_vb_ib_get(rdev); |
| if (r) |
| return r; |
| |
| /* set_render_target emits 2 extra dwords on rv6xx */ |
| if (rdev->family > CHIP_R600 && rdev->family < CHIP_RV770) |
| dwords_per_loop += 2; |
| |
| /* num loops */ |
| while (num_pages) { |
| num_pages -= r600_blit_create_rect(num_pages, NULL, NULL); |
| num_loops++; |
| } |
| |
| /* calculate number of loops correctly */ |
| ring_size = num_loops * dwords_per_loop; |
| /* set default + shaders */ |
| ring_size += 40; /* shaders + def state */ |
| ring_size += 10; /* fence emit for VB IB */ |
| ring_size += 5; /* done copy */ |
| ring_size += 10; /* fence emit for done copy */ |
| r = radeon_ring_lock(rdev, ring_size); |
| if (r) |
| return r; |
| |
| set_default_state(rdev); /* 14 */ |
| set_shaders(rdev); /* 26 */ |
| return 0; |
| } |
| |
| void r600_blit_done_copy(struct radeon_device *rdev, struct radeon_fence *fence) |
| { |
| int r; |
| |
| if (rdev->r600_blit.vb_ib) |
| r600_vb_ib_put(rdev); |
| |
| if (fence) |
| r = radeon_fence_emit(rdev, fence); |
| |
| radeon_ring_unlock_commit(rdev); |
| } |
| |
| void r600_kms_blit_copy(struct radeon_device *rdev, |
| u64 src_gpu_addr, u64 dst_gpu_addr, |
| unsigned num_pages) |
| { |
| u64 vb_gpu_addr; |
| u32 *vb; |
| |
| DRM_DEBUG("emitting copy %16llx %16llx %d %d\n", src_gpu_addr, dst_gpu_addr, |
| num_pages, rdev->r600_blit.vb_used); |
| vb = (u32 *)(rdev->r600_blit.vb_ib->ptr + rdev->r600_blit.vb_used); |
| |
| while (num_pages) { |
| int w, h; |
| unsigned size_in_bytes; |
| unsigned pages_per_loop = r600_blit_create_rect(num_pages, &w, &h); |
| |
| size_in_bytes = pages_per_loop * RADEON_GPU_PAGE_SIZE; |
| DRM_DEBUG("rectangle w=%d h=%d\n", w, h); |
| |
| if ((rdev->r600_blit.vb_used + 48) > rdev->r600_blit.vb_total) { |
| WARN_ON(1); |
| } |
| |
| vb[0] = 0; |
| vb[1] = 0; |
| vb[2] = 0; |
| vb[3] = 0; |
| |
| vb[4] = 0; |
| vb[5] = i2f(h); |
| vb[6] = 0; |
| vb[7] = i2f(h); |
| |
| vb[8] = i2f(w); |
| vb[9] = i2f(h); |
| vb[10] = i2f(w); |
| vb[11] = i2f(h); |
| |
| /* src 9 */ |
| set_tex_resource(rdev, FMT_8_8_8_8, w, h, w, src_gpu_addr); |
| |
| /* 5 */ |
| cp_set_surface_sync(rdev, |
| PACKET3_TC_ACTION_ENA, size_in_bytes, src_gpu_addr); |
| |
| /* dst 23 */ |
| set_render_target(rdev, COLOR_8_8_8_8, w, h, dst_gpu_addr); |
| |
| /* scissors 12 */ |
| set_scissors(rdev, 0, 0, w, h); |
| |
| /* Vertex buffer setup 14 */ |
| vb_gpu_addr = rdev->r600_blit.vb_ib->gpu_addr + rdev->r600_blit.vb_used; |
| set_vtx_resource(rdev, vb_gpu_addr); |
| |
| /* draw 10 */ |
| draw_auto(rdev); |
| |
| /* 5 */ |
| cp_set_surface_sync(rdev, |
| PACKET3_CB_ACTION_ENA | PACKET3_CB0_DEST_BASE_ENA, |
| size_in_bytes, dst_gpu_addr); |
| |
| /* 78 ring dwords per loop */ |
| vb += 12; |
| rdev->r600_blit.vb_used += 4*12; |
| src_gpu_addr += size_in_bytes; |
| dst_gpu_addr += size_in_bytes; |
| num_pages -= pages_per_loop; |
| } |
| } |