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Diffstat (limited to 'src/gallium/drivers/radeonsi/si_compute.c')
-rw-r--r--src/gallium/drivers/radeonsi/si_compute.c239
1 files changed, 222 insertions, 17 deletions
diff --git a/src/gallium/drivers/radeonsi/si_compute.c b/src/gallium/drivers/radeonsi/si_compute.c
index 56b511848c9..ad9cb7ac1fc 100644
--- a/src/gallium/drivers/radeonsi/si_compute.c
+++ b/src/gallium/drivers/radeonsi/si_compute.c
@@ -28,6 +28,7 @@
#include "radeon/r600_pipe_common.h"
#include "radeon/radeon_elf_util.h"
+#include "amd_kernel_code_t.h"
#include "radeon/r600_cs.h"
#include "si_pipe.h"
#include "si_shader.h"
@@ -43,8 +44,52 @@ struct si_compute {
struct si_shader shader;
struct pipe_resource *global_buffers[MAX_GLOBAL_BUFFERS];
+ bool use_code_object_v2;
};
+struct dispatch_packet {
+ uint16_t header;
+ uint16_t setup;
+ uint16_t workgroup_size_x;
+ uint16_t workgroup_size_y;
+ uint16_t workgroup_size_z;
+ uint16_t reserved0;
+ uint32_t grid_size_x;
+ uint32_t grid_size_y;
+ uint32_t grid_size_z;
+ uint32_t private_segment_size;
+ uint32_t group_segment_size;
+ uint64_t kernel_object;
+ uint64_t kernarg_address;
+ uint64_t reserved2;
+};
+
+static const amd_kernel_code_t *si_compute_get_code_object(
+ const struct si_compute *program,
+ uint64_t symbol_offset)
+{
+ if (!program->use_code_object_v2) {
+ return NULL;
+ }
+ return (const amd_kernel_code_t*)
+ (program->shader.binary.code + symbol_offset);
+}
+
+static void code_object_to_config(const amd_kernel_code_t *code_object,
+ struct si_shader_config *out_config) {
+
+ uint32_t rsrc1 = code_object->compute_pgm_resource_registers;
+ uint32_t rsrc2 = code_object->compute_pgm_resource_registers >> 32;
+ out_config->num_sgprs = code_object->wavefront_sgpr_count;
+ out_config->num_vgprs = code_object->workitem_vgpr_count;
+ out_config->float_mode = G_00B028_FLOAT_MODE(rsrc1);
+ out_config->rsrc1 = rsrc1;
+ out_config->lds_size = MAX2(out_config->lds_size, G_00B84C_LDS_SIZE(rsrc2));
+ out_config->rsrc2 = rsrc2;
+ out_config->scratch_bytes_per_wave =
+ align(code_object->workitem_private_segment_byte_size * 64, 1024);
+}
+
static void *si_create_compute_state(
struct pipe_context *ctx,
const struct pipe_compute_state *cso)
@@ -59,6 +104,8 @@ static void *si_create_compute_state(
program->local_size = cso->req_local_mem;
program->private_size = cso->req_private_mem;
program->input_size = cso->req_input_mem;
+ program->use_code_object_v2 = HAVE_LLVM >= 0x0400 &&
+ cso->ir_type == PIPE_SHADER_IR_NATIVE;
if (cso->ir_type == PIPE_SHADER_IR_TGSI) {
@@ -110,8 +157,14 @@ static void *si_create_compute_state(
code = cso->prog + sizeof(struct pipe_llvm_program_header);
radeon_elf_read(code, header->num_bytes, &program->shader.binary);
- si_shader_binary_read_config(&program->shader.binary,
- &program->shader.config, 0);
+ if (program->use_code_object_v2) {
+ const amd_kernel_code_t *code_object =
+ si_compute_get_code_object(program, 0);
+ code_object_to_config(code_object, &program->shader.config);
+ } else {
+ si_shader_binary_read_config(&program->shader.binary,
+ &program->shader.config, 0);
+ }
si_shader_dump(sctx->screen, &program->shader, &sctx->b.debug,
PIPE_SHADER_COMPUTE, stderr);
si_shader_binary_upload(sctx->screen, &program->shader);
@@ -233,7 +286,9 @@ static bool si_setup_compute_scratch_buffer(struct si_context *sctx,
static bool si_switch_compute_shader(struct si_context *sctx,
struct si_compute *program,
- struct si_shader *shader, unsigned offset)
+ struct si_shader *shader,
+ const amd_kernel_code_t *code_object,
+ unsigned offset)
{
struct radeon_winsys_cs *cs = sctx->b.gfx.cs;
struct si_shader_config inline_config = {0};
@@ -250,7 +305,11 @@ static bool si_switch_compute_shader(struct si_context *sctx,
unsigned lds_blocks;
config = &inline_config;
- si_shader_binary_read_config(&shader->binary, config, offset);
+ if (code_object) {
+ code_object_to_config(code_object, config);
+ } else {
+ si_shader_binary_read_config(&shader->binary, config, offset);
+ }
lds_blocks = config->lds_size;
/* XXX: We are over allocating LDS. For SI, the shader reports
@@ -286,6 +345,11 @@ static bool si_switch_compute_shader(struct si_context *sctx,
}
shader_va = shader->bo->gpu_address + offset;
+ if (program->use_code_object_v2) {
+ /* Shader code is placed after the amd_kernel_code_t
+ * struct. */
+ shader_va += sizeof(amd_kernel_code_t);
+ }
radeon_add_to_buffer_list(&sctx->b, &sctx->b.gfx, shader->bo,
RADEON_USAGE_READ, RADEON_PRIO_SHADER_BINARY);
@@ -313,14 +377,145 @@ static bool si_switch_compute_shader(struct si_context *sctx,
return true;
}
+static void setup_scratch_rsrc_user_sgprs(struct si_context *sctx,
+ const amd_kernel_code_t *code_object,
+ unsigned user_sgpr)
+{
+ struct radeon_winsys_cs *cs = sctx->b.gfx.cs;
+ uint64_t scratch_va = sctx->compute_scratch_buffer->gpu_address;
+
+ unsigned max_private_element_size = AMD_HSA_BITS_GET(
+ code_object->code_properties,
+ AMD_CODE_PROPERTY_PRIVATE_ELEMENT_SIZE);
+
+ uint32_t scratch_dword0 = scratch_va & 0xffffffff;
+ uint32_t scratch_dword1 =
+ S_008F04_BASE_ADDRESS_HI(scratch_va >> 32) |
+ S_008F04_SWIZZLE_ENABLE(1);
+
+ /* Disable address clamping */
+ uint32_t scratch_dword2 = 0xffffffff;
+ uint32_t scratch_dword3 =
+ S_008F0C_ELEMENT_SIZE(max_private_element_size) |
+ S_008F0C_INDEX_STRIDE(3) |
+ S_008F0C_ADD_TID_ENABLE(1);
+
+
+ if (sctx->screen->b.chip_class < VI) {
+ /* BUF_DATA_FORMAT is ignored, but it cannot be
+ BUF_DATA_FORMAT_INVALID. */
+ scratch_dword3 |=
+ S_008F0C_DATA_FORMAT(V_008F0C_BUF_DATA_FORMAT_8);
+ }
+
+ radeon_set_sh_reg_seq(cs, R_00B900_COMPUTE_USER_DATA_0 +
+ (user_sgpr * 4), 4);
+ radeon_emit(cs, scratch_dword0);
+ radeon_emit(cs, scratch_dword1);
+ radeon_emit(cs, scratch_dword2);
+ radeon_emit(cs, scratch_dword3);
+}
+
+static void si_setup_user_sgprs_co_v2(struct si_context *sctx,
+ const amd_kernel_code_t *code_object,
+ const struct pipe_grid_info *info,
+ uint64_t kernel_args_va)
+{
+ struct si_compute *program = sctx->cs_shader_state.program;
+ struct radeon_winsys_cs *cs = sctx->b.gfx.cs;
+
+ static const enum amd_code_property_mask_t workgroup_count_masks [] = {
+ AMD_CODE_PROPERTY_ENABLE_SGPR_GRID_WORKGROUP_COUNT_X,
+ AMD_CODE_PROPERTY_ENABLE_SGPR_GRID_WORKGROUP_COUNT_Y,
+ AMD_CODE_PROPERTY_ENABLE_SGPR_GRID_WORKGROUP_COUNT_Z
+ };
+
+ unsigned i, user_sgpr = 0;
+ if (AMD_HSA_BITS_GET(code_object->code_properties,
+ AMD_CODE_PROPERTY_ENABLE_SGPR_PRIVATE_SEGMENT_BUFFER)) {
+ if (code_object->workitem_private_segment_byte_size > 0) {
+ setup_scratch_rsrc_user_sgprs(sctx, code_object,
+ user_sgpr);
+ }
+ user_sgpr += 4;
+ }
+
+ if (AMD_HSA_BITS_GET(code_object->code_properties,
+ AMD_CODE_PROPERTY_ENABLE_SGPR_DISPATCH_PTR)) {
+ struct dispatch_packet dispatch;
+ unsigned dispatch_offset;
+ struct r600_resource *dispatch_buf = NULL;
+ uint64_t dispatch_va;
+
+ /* Upload dispatch ptr */
+ memset(&dispatch, 0, sizeof(dispatch));
+
+ dispatch.workgroup_size_x = info->block[0];
+ dispatch.workgroup_size_y = info->block[1];
+ dispatch.workgroup_size_z = info->block[2];
+
+ dispatch.grid_size_x = info->grid[0] * info->block[0];
+ dispatch.grid_size_y = info->grid[1] * info->block[1];
+ dispatch.grid_size_z = info->grid[2] * info->block[2];
+
+ dispatch.private_segment_size = program->private_size;
+ dispatch.group_segment_size = program->local_size;
+
+ dispatch.kernarg_address = kernel_args_va;
+
+ u_upload_data(sctx->b.uploader, 0, sizeof(dispatch), 256,
+ &dispatch, &dispatch_offset,
+ (struct pipe_resource**)&dispatch_buf);
+
+ if (!dispatch_buf) {
+ fprintf(stderr, "Error: Failed to allocate dispatch "
+ "packet.");
+ }
+ radeon_add_to_buffer_list(&sctx->b, &sctx->b.gfx, dispatch_buf,
+ RADEON_USAGE_READ, RADEON_PRIO_CONST_BUFFER);
+
+ dispatch_va = dispatch_buf->gpu_address + dispatch_offset;
+
+ radeon_set_sh_reg_seq(cs, R_00B900_COMPUTE_USER_DATA_0 +
+ (user_sgpr * 4), 2);
+ radeon_emit(cs, dispatch_va);
+ radeon_emit(cs, S_008F04_BASE_ADDRESS_HI(dispatch_va >> 32) |
+ S_008F04_STRIDE(0));
+
+ r600_resource_reference(&dispatch_buf, NULL);
+ user_sgpr += 2;
+ }
+
+ if (AMD_HSA_BITS_GET(code_object->code_properties,
+ AMD_CODE_PROPERTY_ENABLE_SGPR_KERNARG_SEGMENT_PTR)) {
+ radeon_set_sh_reg_seq(cs, R_00B900_COMPUTE_USER_DATA_0 +
+ (user_sgpr * 4), 2);
+ radeon_emit(cs, kernel_args_va);
+ radeon_emit(cs, S_008F04_BASE_ADDRESS_HI (kernel_args_va >> 32) |
+ S_008F04_STRIDE(0));
+ user_sgpr += 2;
+ }
+
+ for (i = 0; i < 3 && user_sgpr < 16; i++) {
+ if (code_object->code_properties & workgroup_count_masks[i]) {
+ radeon_set_sh_reg_seq(cs,
+ R_00B900_COMPUTE_USER_DATA_0 +
+ (user_sgpr * 4), 1);
+ radeon_emit(cs, info->grid[i]);
+ user_sgpr += 1;
+ }
+ }
+}
+
static void si_upload_compute_input(struct si_context *sctx,
- const struct pipe_grid_info *info)
+ const amd_kernel_code_t *code_object,
+ const struct pipe_grid_info *info)
{
struct radeon_winsys_cs *cs = sctx->b.gfx.cs;
struct si_compute *program = sctx->cs_shader_state.program;
struct r600_resource *input_buffer = NULL;
unsigned kernel_args_size;
- unsigned num_work_size_bytes = 36;
+ unsigned num_work_size_bytes = program->use_code_object_v2 ? 0 : 36;
uint32_t kernel_args_offset = 0;
uint32_t *kernel_args;
void *kernel_args_ptr;
@@ -335,10 +530,14 @@ static void si_upload_compute_input(struct si_context *sctx,
(struct pipe_resource**)&input_buffer, &kernel_args_ptr);
kernel_args = (uint32_t*)kernel_args_ptr;
- for (i = 0; i < 3; i++) {
- kernel_args[i] = info->grid[i];
- kernel_args[i + 3] = info->grid[i] * info->block[i];
- kernel_args[i + 6] = info->block[i];
+ kernel_args_va = input_buffer->gpu_address + kernel_args_offset;
+
+ if (!code_object) {
+ for (i = 0; i < 3; i++) {
+ kernel_args[i] = info->grid[i];
+ kernel_args[i + 3] = info->grid[i] * info->block[i];
+ kernel_args[i + 6] = info->block[i];
+ }
}
memcpy(kernel_args + (num_work_size_bytes / 4), info->input,
@@ -350,15 +549,18 @@ static void si_upload_compute_input(struct si_context *sctx,
kernel_args[i]);
}
- kernel_args_va = input_buffer->gpu_address + kernel_args_offset;
radeon_add_to_buffer_list(&sctx->b, &sctx->b.gfx, input_buffer,
RADEON_USAGE_READ, RADEON_PRIO_CONST_BUFFER);
- radeon_set_sh_reg_seq(cs, R_00B900_COMPUTE_USER_DATA_0, 2);
- radeon_emit(cs, kernel_args_va);
- radeon_emit(cs, S_008F04_BASE_ADDRESS_HI (kernel_args_va >> 32) |
- S_008F04_STRIDE(0));
+ if (code_object) {
+ si_setup_user_sgprs_co_v2(sctx, code_object, info, kernel_args_va);
+ } else {
+ radeon_set_sh_reg_seq(cs, R_00B900_COMPUTE_USER_DATA_0, 2);
+ radeon_emit(cs, kernel_args_va);
+ radeon_emit(cs, S_008F04_BASE_ADDRESS_HI (kernel_args_va >> 32) |
+ S_008F04_STRIDE(0));
+ }
r600_resource_reference(&input_buffer, NULL);
}
@@ -446,6 +648,8 @@ static void si_launch_grid(
{
struct si_context *sctx = (struct si_context*)ctx;
struct si_compute *program = sctx->cs_shader_state.program;
+ const amd_kernel_code_t *code_object =
+ si_compute_get_code_object(program, info->pc);
int i;
/* HW bug workaround when CS threadgroups > 256 threads and async
* compute isn't used, i.e. only one compute job can run at a time.
@@ -487,7 +691,8 @@ static void si_launch_grid(
if (sctx->b.flags)
si_emit_cache_flush(sctx);
- if (!si_switch_compute_shader(sctx, program, &program->shader, info->pc))
+ if (!si_switch_compute_shader(sctx, program, &program->shader,
+ code_object, info->pc))
return;
si_upload_compute_shader_descriptors(sctx);
@@ -500,7 +705,7 @@ static void si_launch_grid(
}
if (program->input_size || program->ir_type == PIPE_SHADER_IR_NATIVE)
- si_upload_compute_input(sctx, info);
+ si_upload_compute_input(sctx, code_object, info);
/* Global buffers */
for (i = 0; i < MAX_GLOBAL_BUFFERS; i++) {
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-21 05:16:00 +0000