blob: ccb2fa2334c818f8d3a324fad86ae020af8c8c2a [file] [log] [blame]
/*
* Copyright © 2021 Valve Corporation
*
* SPDX-License-Identifier: MIT
*/
#include <inttypes.h>
#include "radv_buffer.h"
#include "radv_cs.h"
#include "radv_spm.h"
#include "sid.h"
#define SPM_RING_BASE_ALIGN 32
static bool
radv_spm_init_bo(struct radv_device *device)
{
struct radeon_winsys *ws = device->ws;
VkResult result;
struct radeon_winsys_bo *bo = NULL;
result = radv_bo_create(device, NULL, device->spm.buffer_size, 4096, RADEON_DOMAIN_GTT,
RADEON_FLAG_CPU_ACCESS | RADEON_FLAG_NO_INTERPROCESS_SHARING | RADEON_FLAG_ZERO_VRAM,
RADV_BO_PRIORITY_SCRATCH, 0, true, &bo);
device->spm.bo = bo;
if (result != VK_SUCCESS)
return false;
result = ws->buffer_make_resident(ws, device->spm.bo, true);
if (result != VK_SUCCESS)
return false;
device->spm.ptr = radv_buffer_map(ws, device->spm.bo);
if (!device->spm.ptr)
return false;
return true;
}
static void
radv_spm_finish_bo(struct radv_device *device)
{
struct radeon_winsys *ws = device->ws;
if (device->spm.bo) {
ws->buffer_make_resident(ws, device->spm.bo, false);
radv_bo_destroy(device, NULL, device->spm.bo);
}
}
static bool
radv_spm_resize_bo(struct radv_device *device)
{
/* Destroy the previous SPM bo. */
radv_spm_finish_bo(device);
/* Double the size of the SPM bo. */
device->spm.buffer_size *= 2;
fprintf(stderr,
"Failed to get the SPM trace because the buffer "
"was too small, resizing to %d KB\n",
device->spm.buffer_size / 1024);
/* Re-create the SPM bo. */
return radv_spm_init_bo(device);
}
static void
radv_emit_spm_counters(struct radv_device *device, struct radeon_cmdbuf *cs, enum radv_queue_family qf)
{
const struct radv_physical_device *pdev = radv_device_physical(device);
const enum amd_ip_type ring = radv_queue_family_to_ring(pdev, qf);
const enum amd_gfx_level gfx_level = pdev->info.gfx_level;
struct ac_spm *spm = &device->spm;
if (gfx_level >= GFX11) {
for (uint32_t instance = 0; instance < ARRAY_SIZE(spm->sq_wgp); instance++) {
uint32_t num_counters = spm->sq_wgp[instance].num_counters;
if (!num_counters)
continue;
radeon_check_space(device->ws, cs, 3 + num_counters * 3);
radeon_begin(cs);
radeon_set_uconfig_reg(R_030800_GRBM_GFX_INDEX, spm->sq_wgp[instance].grbm_gfx_index);
for (uint32_t b = 0; b < num_counters; b++) {
const struct ac_spm_counter_select *cntr_sel = &spm->sq_wgp[instance].counters[b];
uint32_t reg_base = R_036700_SQ_PERFCOUNTER0_SELECT;
radeon_set_uconfig_perfctr_reg_seq(gfx_level, ring, reg_base + b * 4, 1);
radeon_emit(cntr_sel->sel0);
}
radeon_end();
}
}
for (uint32_t instance = 0; instance < ARRAY_SIZE(spm->sqg); instance++) {
uint32_t num_counters = spm->sqg[instance].num_counters;
if (!num_counters)
continue;
radeon_check_space(device->ws, cs, 3 + num_counters * 3);
radeon_begin(cs);
radeon_set_uconfig_reg(R_030800_GRBM_GFX_INDEX, S_030800_SH_BROADCAST_WRITES(1) |
S_030800_INSTANCE_BROADCAST_WRITES(1) |
S_030800_SE_INDEX(instance));
for (uint32_t b = 0; b < num_counters; b++) {
const struct ac_spm_counter_select *cntr_sel = &spm->sqg[instance].counters[b];
uint32_t reg_base = R_036700_SQ_PERFCOUNTER0_SELECT;
radeon_set_uconfig_perfctr_reg_seq(gfx_level, ring, reg_base + b * 4, 1);
radeon_emit(cntr_sel->sel0 | S_036700_SQC_BANK_MASK(0xf)); /* SQC_BANK_MASK only gfx10 */
}
radeon_end();
}
for (uint32_t b = 0; b < spm->num_block_sel; b++) {
struct ac_spm_block_select *block_sel = &spm->block_sel[b];
struct ac_pc_block_base *regs = block_sel->b->b->b;
for (unsigned i = 0; i < block_sel->num_instances; i++) {
struct ac_spm_block_instance *block_instance = &block_sel->instances[i];
radeon_check_space(device->ws, cs, 3 + (AC_SPM_MAX_COUNTER_PER_BLOCK * 6));
radeon_begin(cs);
radeon_set_uconfig_reg(R_030800_GRBM_GFX_INDEX, block_instance->grbm_gfx_index);
for (unsigned c = 0; c < block_instance->num_counters; c++) {
const struct ac_spm_counter_select *cntr_sel = &block_instance->counters[c];
if (!cntr_sel->active)
continue;
radeon_set_uconfig_perfctr_reg_seq(gfx_level, ring, regs->select0[c], 1);
radeon_emit(cntr_sel->sel0);
radeon_set_uconfig_perfctr_reg_seq(gfx_level, ring, regs->select1[c], 1);
radeon_emit(cntr_sel->sel1);
}
radeon_end();
}
}
/* Restore global broadcasting. */
radeon_begin(cs);
radeon_set_uconfig_reg(R_030800_GRBM_GFX_INDEX, S_030800_SE_BROADCAST_WRITES(1) | S_030800_SH_BROADCAST_WRITES(1) |
S_030800_INSTANCE_BROADCAST_WRITES(1));
radeon_end();
}
static void
radv_emit_spm_muxsel(struct radv_device *device, struct radeon_cmdbuf *cs, enum radv_queue_family qf)
{
const struct radv_physical_device *pdev = radv_device_physical(device);
const enum amd_ip_type ring = radv_queue_family_to_ring(pdev, qf);
const struct ac_spm *spm = &device->spm;
/* Upload each muxsel ram to the RLC. */
for (unsigned s = 0; s < AC_SPM_SEGMENT_TYPE_COUNT; s++) {
unsigned rlc_muxsel_addr, rlc_muxsel_data;
unsigned grbm_gfx_index = S_030800_SH_BROADCAST_WRITES(1) | S_030800_INSTANCE_BROADCAST_WRITES(1);
if (!spm->num_muxsel_lines[s])
continue;
if (s == AC_SPM_SEGMENT_TYPE_GLOBAL) {
grbm_gfx_index |= S_030800_SE_BROADCAST_WRITES(1);
rlc_muxsel_addr =
pdev->info.gfx_level >= GFX11 ? R_037220_RLC_SPM_GLOBAL_MUXSEL_ADDR : R_037224_RLC_SPM_GLOBAL_MUXSEL_ADDR;
rlc_muxsel_data =
pdev->info.gfx_level >= GFX11 ? R_037224_RLC_SPM_GLOBAL_MUXSEL_DATA : R_037228_RLC_SPM_GLOBAL_MUXSEL_DATA;
} else {
grbm_gfx_index |= S_030800_SE_INDEX(s);
rlc_muxsel_addr =
pdev->info.gfx_level >= GFX11 ? R_037228_RLC_SPM_SE_MUXSEL_ADDR : R_03721C_RLC_SPM_SE_MUXSEL_ADDR;
rlc_muxsel_data =
pdev->info.gfx_level >= GFX11 ? R_03722C_RLC_SPM_SE_MUXSEL_DATA : R_037220_RLC_SPM_SE_MUXSEL_DATA;
}
radeon_check_space(device->ws, cs, 3 + spm->num_muxsel_lines[s] * (7 + AC_SPM_MUXSEL_LINE_SIZE));
radeon_begin(cs);
radeon_set_uconfig_reg(R_030800_GRBM_GFX_INDEX, grbm_gfx_index);
for (unsigned l = 0; l < spm->num_muxsel_lines[s]; l++) {
uint32_t *data = (uint32_t *)spm->muxsel_lines[s][l].muxsel;
/* Select MUXSEL_ADDR to point to the next muxsel. */
radeon_set_uconfig_perfctr_reg(pdev->info.gfx_level, ring, rlc_muxsel_addr, l * AC_SPM_MUXSEL_LINE_SIZE);
/* Write the muxsel line configuration with MUXSEL_DATA. */
radeon_emit(PKT3(PKT3_WRITE_DATA, 2 + AC_SPM_MUXSEL_LINE_SIZE, 0));
radeon_emit(S_370_DST_SEL(V_370_MEM_MAPPED_REGISTER) | S_370_WR_CONFIRM(1) | S_370_ENGINE_SEL(V_370_ME) |
S_370_WR_ONE_ADDR(1));
radeon_emit(rlc_muxsel_data >> 2);
radeon_emit(0);
radeon_emit_array(data, AC_SPM_MUXSEL_LINE_SIZE);
}
radeon_end();
}
}
void
radv_emit_spm_setup(struct radv_device *device, struct radeon_cmdbuf *cs, enum radv_queue_family qf)
{
const struct radv_physical_device *pdev = radv_device_physical(device);
struct ac_spm *spm = &device->spm;
uint64_t va = radv_buffer_get_va(spm->bo);
uint64_t ring_size = spm->buffer_size;
/* It's required that the ring VA and the size are correctly aligned. */
assert(!(va & (SPM_RING_BASE_ALIGN - 1)));
assert(!(ring_size & (SPM_RING_BASE_ALIGN - 1)));
assert(spm->sample_interval >= 32);
radeon_check_space(device->ws, cs, 27);
radeon_begin(cs);
/* Configure the SPM ring buffer. */
radeon_set_uconfig_reg(R_037200_RLC_SPM_PERFMON_CNTL,
S_037200_PERFMON_RING_MODE(0) | /* no stall and no interrupt on overflow */
S_037200_PERFMON_SAMPLE_INTERVAL(spm->sample_interval)); /* in sclk */
radeon_set_uconfig_reg(R_037204_RLC_SPM_PERFMON_RING_BASE_LO, va);
radeon_set_uconfig_reg(R_037208_RLC_SPM_PERFMON_RING_BASE_HI, S_037208_RING_BASE_HI(va >> 32));
radeon_set_uconfig_reg(R_03720C_RLC_SPM_PERFMON_RING_SIZE, ring_size);
/* Configure the muxsel. */
uint32_t total_muxsel_lines = 0;
for (unsigned s = 0; s < AC_SPM_SEGMENT_TYPE_COUNT; s++) {
total_muxsel_lines += spm->num_muxsel_lines[s];
}
radeon_set_uconfig_reg(R_03726C_RLC_SPM_ACCUM_MODE, 0);
if (pdev->info.gfx_level >= GFX11) {
radeon_set_uconfig_reg(R_03721C_RLC_SPM_PERFMON_SEGMENT_SIZE,
S_03721C_TOTAL_NUM_SEGMENT(total_muxsel_lines) |
S_03721C_GLOBAL_NUM_SEGMENT(spm->num_muxsel_lines[AC_SPM_SEGMENT_TYPE_GLOBAL]) |
S_03721C_SE_NUM_SEGMENT(spm->max_se_muxsel_lines));
radeon_set_uconfig_reg(R_037210_RLC_SPM_RING_WRPTR, 0);
} else {
radeon_set_uconfig_reg(R_037210_RLC_SPM_PERFMON_SEGMENT_SIZE, 0);
radeon_set_uconfig_reg(R_03727C_RLC_SPM_PERFMON_SE3TO0_SEGMENT_SIZE,
S_03727C_SE0_NUM_LINE(spm->num_muxsel_lines[AC_SPM_SEGMENT_TYPE_SE0]) |
S_03727C_SE1_NUM_LINE(spm->num_muxsel_lines[AC_SPM_SEGMENT_TYPE_SE1]) |
S_03727C_SE2_NUM_LINE(spm->num_muxsel_lines[AC_SPM_SEGMENT_TYPE_SE2]) |
S_03727C_SE3_NUM_LINE(spm->num_muxsel_lines[AC_SPM_SEGMENT_TYPE_SE3]));
radeon_set_uconfig_reg(R_037280_RLC_SPM_PERFMON_GLB_SEGMENT_SIZE,
S_037280_PERFMON_SEGMENT_SIZE(total_muxsel_lines) |
S_037280_GLOBAL_NUM_LINE(spm->num_muxsel_lines[AC_SPM_SEGMENT_TYPE_GLOBAL]));
}
radeon_end();
/* Upload each muxsel ram to the RLC. */
radv_emit_spm_muxsel(device, cs, qf);
/* Select SPM counters. */
radv_emit_spm_counters(device, cs, qf);
}
bool
radv_spm_init(struct radv_device *device)
{
struct radv_physical_device *pdev = radv_device_physical(device);
const struct radeon_info *gpu_info = &pdev->info;
struct ac_perfcounters *pc = &pdev->ac_perfcounters;
/* We failed to initialize the performance counters. */
if (!pc->blocks) {
fprintf(stderr, "radv: Failed to initialize SPM because perf counters aren't implemented.\n");
return false;
}
if (!ac_init_spm(gpu_info, pc, &device->spm))
return false;
device->spm.buffer_size = 32 * 1024 * 1024; /* Default to 32MB. */
device->spm.sample_interval = 4096; /* Default to 4096 clk. */
if (!radv_spm_init_bo(device))
return false;
return true;
}
void
radv_spm_finish(struct radv_device *device)
{
radv_spm_finish_bo(device);
ac_destroy_spm(&device->spm);
}
bool
radv_get_spm_trace(struct radv_queue *queue, struct ac_spm_trace *spm_trace)
{
struct radv_device *device = radv_queue_device(queue);
if (!ac_spm_get_trace(&device->spm, spm_trace)) {
if (!radv_spm_resize_bo(device))
fprintf(stderr, "radv: Failed to resize the SPM buffer.\n");
return false;
}
return true;
}