/* * Copyright © 2018 Intel Corporation * * 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 AUTHORS OR COPYRIGHT HOLDERS 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 "gpu_cmds.h" void gen7_render_flush(struct intel_batchbuffer *batch, uint32_t batch_end) { int ret; ret = drm_intel_bo_subdata(batch->bo, 0, 4096, batch->buffer); if (ret == 0) ret = drm_intel_bo_mrb_exec(batch->bo, batch_end, NULL, 0, 0, 0); igt_assert(ret == 0); } void gen7_render_context_flush(struct intel_batchbuffer *batch, uint32_t batch_end) { int ret; ret = drm_intel_bo_subdata(batch->bo, 0, 4096, batch->buffer); if (ret == 0) ret = drm_intel_gem_bo_context_exec(batch->bo, batch->ctx, batch_end, 0); igt_assert(ret == 0); } uint32_t gen7_fill_curbe_buffer_data(struct intel_batchbuffer *batch, uint8_t color) { uint8_t *curbe_buffer; uint32_t offset; curbe_buffer = intel_batchbuffer_subdata_alloc(batch, sizeof(uint32_t) * 8, 64); offset = intel_batchbuffer_subdata_offset(batch, curbe_buffer); *curbe_buffer = color; return offset; } uint32_t gen11_fill_curbe_buffer_data(struct intel_batchbuffer *batch) { uint32_t *curbe_buffer; uint32_t offset; curbe_buffer = intel_batchbuffer_subdata_alloc(batch, sizeof(uint32_t) * 8, 64); offset = intel_batchbuffer_subdata_offset(batch, curbe_buffer); *curbe_buffer++ = 0; *curbe_buffer = 1; return offset; } uint32_t gen7_fill_surface_state(struct intel_batchbuffer *batch, const struct igt_buf *buf, uint32_t format, int is_dst) { struct gen7_surface_state *ss; uint32_t write_domain, read_domain, offset; int ret; if (is_dst) { write_domain = read_domain = I915_GEM_DOMAIN_RENDER; } else { write_domain = 0; read_domain = I915_GEM_DOMAIN_SAMPLER; } ss = intel_batchbuffer_subdata_alloc(batch, sizeof(*ss), 64); offset = intel_batchbuffer_subdata_offset(batch, ss); ss->ss0.surface_type = SURFACE_2D; ss->ss0.surface_format = format; ss->ss0.render_cache_read_write = 1; if (buf->tiling == I915_TILING_X) ss->ss0.tiled_mode = 2; else if (buf->tiling == I915_TILING_Y) ss->ss0.tiled_mode = 3; ss->ss1.base_addr = buf->bo->offset; ret = drm_intel_bo_emit_reloc(batch->bo, intel_batchbuffer_subdata_offset(batch, ss) + 4, buf->bo, 0, read_domain, write_domain); igt_assert(ret == 0); ss->ss2.height = igt_buf_height(buf) - 1; ss->ss2.width = igt_buf_width(buf) - 1; ss->ss3.pitch = buf->stride - 1; ss->ss7.shader_chanel_select_r = 4; ss->ss7.shader_chanel_select_g = 5; ss->ss7.shader_chanel_select_b = 6; ss->ss7.shader_chanel_select_a = 7; return offset; } uint32_t gen7_fill_binding_table(struct intel_batchbuffer *batch, const struct igt_buf *dst) { uint32_t *binding_table, offset; binding_table = intel_batchbuffer_subdata_alloc(batch, 32, 64); offset = intel_batchbuffer_subdata_offset(batch, binding_table); if (IS_GEN7(batch->devid)) binding_table[0] = gen7_fill_surface_state(batch, dst, SURFACEFORMAT_R8_UNORM, 1); else binding_table[0] = gen8_fill_surface_state(batch, dst, SURFACEFORMAT_R8_UNORM, 1); return offset; } uint32_t gen11_fill_binding_table(struct intel_batchbuffer *batch, const struct igt_buf *src,const struct igt_buf *dst) { uint32_t *binding_table, offset; binding_table = intel_batchbuffer_subdata_alloc(batch, 64, 64); offset = intel_batchbuffer_subdata_offset(batch, binding_table); binding_table[0] = gen11_fill_surface_state(batch, src, SURFACE_1D,SURFACEFORMAT_R32G32B32A32_FLOAT, 0,0, 0); binding_table[1] = gen11_fill_surface_state(batch, dst, SURFACE_BUFFER, SURFACEFORMAT_RAW, 1,1, 1); return offset; } uint32_t gen7_fill_kernel(struct intel_batchbuffer *batch, const uint32_t kernel[][4], size_t size) { uint32_t offset; offset = intel_batchbuffer_copy_data(batch, kernel, size, 64); return offset; } uint32_t gen7_fill_interface_descriptor(struct intel_batchbuffer *batch, const struct igt_buf *dst, const uint32_t kernel[][4], size_t size) { struct gen7_interface_descriptor_data *idd; uint32_t offset; uint32_t binding_table_offset, kernel_offset; binding_table_offset = gen7_fill_binding_table(batch, dst); kernel_offset = gen7_fill_kernel(batch, kernel, size); idd = intel_batchbuffer_subdata_alloc(batch, sizeof(*idd), 64); offset = intel_batchbuffer_subdata_offset(batch, idd); idd->desc0.kernel_start_pointer = (kernel_offset >> 6); idd->desc1.single_program_flow = 1; idd->desc1.floating_point_mode = GEN7_FLOATING_POINT_IEEE_754; idd->desc2.sampler_count = 0; /* 0 samplers used */ idd->desc2.sampler_state_pointer = 0; idd->desc3.binding_table_entry_count = 0; idd->desc3.binding_table_pointer = (binding_table_offset >> 5); idd->desc4.constant_urb_entry_read_offset = 0; idd->desc4.constant_urb_entry_read_length = 1; /* grf 1 */ return offset; } void gen7_emit_state_base_address(struct intel_batchbuffer *batch) { OUT_BATCH(GEN7_STATE_BASE_ADDRESS | (10 - 2)); /* general */ OUT_BATCH(0); /* surface */ OUT_RELOC(batch->bo, I915_GEM_DOMAIN_INSTRUCTION, 0, BASE_ADDRESS_MODIFY); /* dynamic */ OUT_RELOC(batch->bo, I915_GEM_DOMAIN_INSTRUCTION, 0, BASE_ADDRESS_MODIFY); /* indirect */ OUT_BATCH(0); /* instruction */ OUT_RELOC(batch->bo, I915_GEM_DOMAIN_INSTRUCTION, 0, BASE_ADDRESS_MODIFY); /* general/dynamic/indirect/instruction access Bound */ OUT_BATCH(0); OUT_BATCH(0 | BASE_ADDRESS_MODIFY); OUT_BATCH(0); OUT_BATCH(0 | BASE_ADDRESS_MODIFY); } void gen7_emit_vfe_state(struct intel_batchbuffer *batch, uint32_t threads, uint32_t urb_entries, uint32_t urb_size, uint32_t curbe_size, uint32_t mode) { OUT_BATCH(GEN7_MEDIA_VFE_STATE | (8 - 2)); /* scratch buffer */ OUT_BATCH(0); /* number of threads & urb entries */ OUT_BATCH(threads << 16 | urb_entries << 8 | mode << 2); /* GPGPU vs media mode */ OUT_BATCH(0); /* urb entry size & curbe size */ OUT_BATCH(urb_size << 16 | /* in 256 bits unit */ curbe_size); /* in 256 bits unit */ /* scoreboard */ OUT_BATCH(0); OUT_BATCH(0); OUT_BATCH(0); } void gen7_emit_curbe_load(struct intel_batchbuffer *batch, uint32_t curbe_buffer) { OUT_BATCH(GEN7_MEDIA_CURBE_LOAD | (4 - 2)); OUT_BATCH(0); /* curbe total data length */ OUT_BATCH(64); /* curbe data start address, is relative to the dynamics base address */ OUT_BATCH(curbe_buffer); } void gen7_emit_interface_descriptor_load(struct intel_batchbuffer *batch, uint32_t interface_descriptor) { OUT_BATCH(GEN7_MEDIA_INTERFACE_DESCRIPTOR_LOAD | (4 - 2)); OUT_BATCH(0); /* interface descriptor data length */ if (IS_GEN7(batch->devid)) OUT_BATCH(sizeof(struct gen7_interface_descriptor_data)); else OUT_BATCH(sizeof(struct gen8_interface_descriptor_data)); /* interface descriptor address, is relative to the dynamics base * address */ OUT_BATCH(interface_descriptor); } void gen7_emit_media_objects(struct intel_batchbuffer *batch, unsigned int x, unsigned int y, unsigned int width, unsigned int height) { int i, j; for (i = 0; i < width / 16; i++) { for (j = 0; j < height / 16; j++) { gen_emit_media_object(batch, x + i * 16, y + j * 16); } } } void gen7_emit_gpgpu_walk(struct intel_batchbuffer *batch, unsigned int x, unsigned int y, unsigned int width, unsigned int height) { uint32_t x_dim, y_dim, tmp, right_mask; /* * Simply do SIMD16 based dispatch, so every thread uses * SIMD16 channels. * * Define our own thread group size, e.g 16x1 for every group, then * will have 1 thread each group in SIMD16 dispatch. So thread * width/height/depth are all 1. * * Then thread group X = width / 16 (aligned to 16) * thread group Y = height; */ x_dim = (width + 15) / 16; y_dim = height; tmp = width & 15; if (tmp == 0) right_mask = (1 << 16) - 1; else right_mask = (1 << tmp) - 1; OUT_BATCH(GEN7_GPGPU_WALKER | 9); /* interface descriptor offset */ OUT_BATCH(0); /* SIMD size, thread w/h/d */ OUT_BATCH(1 << 30 | /* SIMD16 */ 0 << 16 | /* depth:1 */ 0 << 8 | /* height:1 */ 0); /* width:1 */ /* thread group X */ OUT_BATCH(0); OUT_BATCH(x_dim); /* thread group Y */ OUT_BATCH(0); OUT_BATCH(y_dim); /* thread group Z */ OUT_BATCH(0); OUT_BATCH(1); /* right mask */ OUT_BATCH(right_mask); /* bottom mask, height 1, always 0xffffffff */ OUT_BATCH(0xffffffff); } uint32_t gen8_spin_curbe_buffer_data(struct intel_batchbuffer *batch, uint32_t iters) { uint32_t *curbe_buffer; uint32_t offset; curbe_buffer = intel_batchbuffer_subdata_alloc(batch, 64, 64); offset = intel_batchbuffer_subdata_offset(batch, curbe_buffer); *curbe_buffer = iters; return offset; } uint32_t gen8_fill_surface_state(struct intel_batchbuffer *batch, const struct igt_buf *buf, uint32_t format, int is_dst) { struct gen8_surface_state *ss; uint32_t write_domain, read_domain, offset; int ret; if (is_dst) { write_domain = read_domain = I915_GEM_DOMAIN_RENDER; } else { write_domain = 0; read_domain = I915_GEM_DOMAIN_SAMPLER; } ss = intel_batchbuffer_subdata_alloc(batch, sizeof(*ss), 64); offset = intel_batchbuffer_subdata_offset(batch, ss); ss->ss0.surface_type = SURFACE_2D; ss->ss0.surface_format = format; ss->ss0.render_cache_read_write = 1; ss->ss0.vertical_alignment = 1; /* align 4 */ ss->ss0.horizontal_alignment = 1; /* align 4 */ if (buf->tiling == I915_TILING_X) ss->ss0.tiled_mode = 2; else if (buf->tiling == I915_TILING_Y) ss->ss0.tiled_mode = 3; ss->ss8.base_addr = buf->bo->offset; ret = drm_intel_bo_emit_reloc(batch->bo, intel_batchbuffer_subdata_offset(batch, ss) + 8 * 4, buf->bo, 0, read_domain, write_domain); igt_assert(ret == 0); ss->ss2.height = igt_buf_height(buf) - 1; ss->ss2.width = igt_buf_width(buf) - 1; ss->ss3.pitch = buf->stride - 1; ss->ss7.shader_chanel_select_r = 4; ss->ss7.shader_chanel_select_g = 5; ss->ss7.shader_chanel_select_b = 6; ss->ss7.shader_chanel_select_a = 7; return offset; } uint32_t gen11_fill_surface_state(struct intel_batchbuffer *batch, const struct igt_buf *buf, uint32_t surface_type, uint32_t format, uint32_t vertical_alignment, uint32_t horizontal_alignment, int is_dst) { struct gen8_surface_state *ss; uint32_t write_domain, read_domain, offset; int ret; if (is_dst) { write_domain = read_domain = I915_GEM_DOMAIN_RENDER; } else { write_domain = 0; read_domain = I915_GEM_DOMAIN_SAMPLER; } ss = intel_batchbuffer_subdata_alloc(batch, sizeof(*ss), 64); offset = intel_batchbuffer_subdata_offset(batch, ss); ss->ss0.surface_type = surface_type; ss->ss0.surface_format = format; ss->ss0.render_cache_read_write = 1; ss->ss0.vertical_alignment = vertical_alignment; /* align 4 */ ss->ss0.horizontal_alignment = horizontal_alignment; /* align 4 */ if (buf->tiling == I915_TILING_X) ss->ss0.tiled_mode = 2; else if (buf->tiling == I915_TILING_Y) ss->ss0.tiled_mode = 3; else ss->ss0.tiled_mode = 0; ss->ss8.base_addr = buf->bo->offset; ret = drm_intel_bo_emit_reloc(batch->bo, intel_batchbuffer_subdata_offset(batch, ss) + 8 * 4, buf->bo, 0, read_domain, write_domain); igt_assert(ret == 0); if (is_dst) { ss->ss1.memory_object_control = 2; ss->ss2.height = 1; ss->ss2.width = 95; ss->ss3.pitch = 0; ss->ss7.shader_chanel_select_r = 4; ss->ss7.shader_chanel_select_g = 5; ss->ss7.shader_chanel_select_b = 6; ss->ss7.shader_chanel_select_a = 7; } else { ss->ss1.qpitch = 4040; ss->ss1.base_mip_level = 31; ss->ss2.height = 9216; ss->ss2.width = 1019; ss->ss3.pitch = 64; ss->ss5.mip_count = 2; } return offset; } uint32_t gen8_fill_interface_descriptor(struct intel_batchbuffer *batch, const struct igt_buf *dst, const uint32_t kernel[][4], size_t size) { struct gen8_interface_descriptor_data *idd; uint32_t offset; uint32_t binding_table_offset, kernel_offset; binding_table_offset = gen7_fill_binding_table(batch, dst); kernel_offset = gen7_fill_kernel(batch, kernel, size); idd = intel_batchbuffer_subdata_alloc(batch, sizeof(*idd), 64); offset = intel_batchbuffer_subdata_offset(batch, idd); idd->desc0.kernel_start_pointer = (kernel_offset >> 6); idd->desc2.single_program_flow = 1; idd->desc2.floating_point_mode = GEN8_FLOATING_POINT_IEEE_754; idd->desc3.sampler_count = 0; /* 0 samplers used */ idd->desc3.sampler_state_pointer = 0; idd->desc4.binding_table_entry_count = 0; idd->desc4.binding_table_pointer = (binding_table_offset >> 5); idd->desc5.constant_urb_entry_read_offset = 0; idd->desc5.constant_urb_entry_read_length = 1; /* grf 1 */ idd->desc6.num_threads_in_tg = 1; return offset; } uint32_t gen11_fill_interface_descriptor(struct intel_batchbuffer *batch, const struct igt_buf *src,const struct igt_buf *dst, const uint32_t kernel[][4], size_t size) { struct gen8_interface_descriptor_data *idd; uint32_t offset; uint32_t binding_table_offset, kernel_offset; binding_table_offset = gen11_fill_binding_table(batch, src,dst); kernel_offset = gen7_fill_kernel(batch, kernel, size); idd = intel_batchbuffer_subdata_alloc(batch, sizeof(*idd), 64); offset = intel_batchbuffer_subdata_offset(batch, idd); idd->desc0.kernel_start_pointer = (kernel_offset >> 6); idd->desc2.single_program_flow = 1; idd->desc2.floating_point_mode = GEN8_FLOATING_POINT_IEEE_754; idd->desc3.sampler_count = 0; /* 0 samplers used */ idd->desc3.sampler_state_pointer = 0; idd->desc4.binding_table_entry_count = 0; idd->desc4.binding_table_pointer = (binding_table_offset >> 5); idd->desc5.constant_urb_entry_read_offset = 0; idd->desc5.constant_urb_entry_read_length = 1; /* grf 1 */ idd->desc6.num_threads_in_tg = 1; return offset; } void gen8_emit_state_base_address(struct intel_batchbuffer *batch) { OUT_BATCH(GEN8_STATE_BASE_ADDRESS | (16 - 2)); /* general */ OUT_BATCH(0 | BASE_ADDRESS_MODIFY); OUT_BATCH(0); /* stateless data port */ OUT_BATCH(0 | BASE_ADDRESS_MODIFY); /* surface */ OUT_RELOC(batch->bo, I915_GEM_DOMAIN_SAMPLER, 0, BASE_ADDRESS_MODIFY); /* dynamic */ OUT_RELOC(batch->bo, I915_GEM_DOMAIN_RENDER | I915_GEM_DOMAIN_INSTRUCTION, 0, BASE_ADDRESS_MODIFY); /* indirect */ OUT_BATCH(0); OUT_BATCH(0); /* instruction */ OUT_RELOC(batch->bo, I915_GEM_DOMAIN_INSTRUCTION, 0, BASE_ADDRESS_MODIFY); /* general state buffer size */ OUT_BATCH(0xfffff000 | 1); /* dynamic state buffer size */ OUT_BATCH(1 << 12 | 1); /* indirect object buffer size */ OUT_BATCH(0xfffff000 | 1); /* instruction buffer size, must set modify enable bit, otherwise it may * result in GPU hang */ OUT_BATCH(1 << 12 | 1); } void gen8_emit_media_state_flush(struct intel_batchbuffer *batch) { OUT_BATCH(GEN8_MEDIA_STATE_FLUSH | (2 - 2)); OUT_BATCH(0); } void gen8_emit_vfe_state(struct intel_batchbuffer *batch, uint32_t threads, uint32_t urb_entries, uint32_t urb_size, uint32_t curbe_size) { OUT_BATCH(GEN7_MEDIA_VFE_STATE | (9 - 2)); /* scratch buffer */ OUT_BATCH(0); OUT_BATCH(0); /* number of threads & urb entries */ OUT_BATCH(threads << 16 | urb_entries << 8); OUT_BATCH(0); /* urb entry size & curbe size */ OUT_BATCH(urb_size << 16 | curbe_size); /* scoreboard */ OUT_BATCH(0); OUT_BATCH(0); OUT_BATCH(0); } void gen8_emit_gpgpu_walk(struct intel_batchbuffer *batch, unsigned int x, unsigned int y, unsigned int width, unsigned int height) { uint32_t x_dim, y_dim, tmp, right_mask; /* * Simply do SIMD16 based dispatch, so every thread uses * SIMD16 channels. * * Define our own thread group size, e.g 16x1 for every group, then * will have 1 thread each group in SIMD16 dispatch. So thread * width/height/depth are all 1. * * Then thread group X = width / 16 (aligned to 16) * thread group Y = height; */ x_dim = (width + 15) / 16; y_dim = height; tmp = width & 15; if (tmp == 0) right_mask = (1 << 16) - 1; else right_mask = (1 << tmp) - 1; OUT_BATCH(GEN7_GPGPU_WALKER | 13); OUT_BATCH(0); /* kernel offset */ OUT_BATCH(0); /* indirect data length */ OUT_BATCH(0); /* indirect data offset */ /* SIMD size, thread w/h/d */ OUT_BATCH(1 << 30 | /* SIMD16 */ 0 << 16 | /* depth:1 */ 0 << 8 | /* height:1 */ 0); /* width:1 */ /* thread group X */ OUT_BATCH(0); OUT_BATCH(0); OUT_BATCH(x_dim); /* thread group Y */ OUT_BATCH(0); OUT_BATCH(0); OUT_BATCH(y_dim); /* thread group Z */ OUT_BATCH(0); OUT_BATCH(1); /* right mask */ OUT_BATCH(right_mask); /* bottom mask, height 1, always 0xffffffff */ OUT_BATCH(0xffffffff); } void gen_emit_media_object(struct intel_batchbuffer *batch, unsigned int xoffset, unsigned int yoffset) { OUT_BATCH(GEN7_MEDIA_OBJECT | (8 - 2)); /* interface descriptor offset */ OUT_BATCH(0); /* without indirect data */ OUT_BATCH(0); OUT_BATCH(0); /* scoreboard */ OUT_BATCH(0); OUT_BATCH(0); /* inline data (xoffset, yoffset) */ OUT_BATCH(xoffset); OUT_BATCH(yoffset); if (AT_LEAST_GEN(batch->devid, 8) && !IS_CHERRYVIEW(batch->devid)) gen8_emit_media_state_flush(batch); } void gen9_emit_state_base_address(struct intel_batchbuffer *batch) { OUT_BATCH(GEN8_STATE_BASE_ADDRESS | (19 - 2)); /* general */ OUT_BATCH(0 | BASE_ADDRESS_MODIFY); OUT_BATCH(0); /* stateless data port */ OUT_BATCH(0 | BASE_ADDRESS_MODIFY); /* surface */ OUT_RELOC(batch->bo, I915_GEM_DOMAIN_SAMPLER, 0, BASE_ADDRESS_MODIFY); /* dynamic */ OUT_RELOC(batch->bo, I915_GEM_DOMAIN_RENDER | I915_GEM_DOMAIN_INSTRUCTION, 0, BASE_ADDRESS_MODIFY); /* indirect */ OUT_BATCH(0); OUT_BATCH(0); /* instruction */ OUT_RELOC(batch->bo, I915_GEM_DOMAIN_INSTRUCTION, 0, BASE_ADDRESS_MODIFY); /* general state buffer size */ OUT_BATCH(0xfffff000 | 1); /* dynamic state buffer size */ OUT_BATCH(1 << 12 | 1); /* indirect object buffer size */ OUT_BATCH(0xfffff000 | 1); /* intruction buffer size, must set modify enable bit, otherwise it may * result in GPU hang */ OUT_BATCH(1 << 12 | 1); /* Bindless surface state base address */ OUT_BATCH(0 | BASE_ADDRESS_MODIFY); OUT_BATCH(0); OUT_BATCH(0xfffff000); }