diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c | 55 |
1 files changed, 37 insertions, 18 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c index b10383f83d73d..59ec20b07a6af 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c @@ -104,7 +104,7 @@ static int amdgpu_mes_event_log_init(struct amdgpu_device *adev) return 0; r = amdgpu_bo_create_kernel(adev, adev->mes.event_log_size, PAGE_SIZE, - AMDGPU_GEM_DOMAIN_GTT, + AMDGPU_GEM_DOMAIN_VRAM, &adev->mes.event_log_gpu_obj, &adev->mes.event_log_gpu_addr, &adev->mes.event_log_cpu_addr); @@ -192,17 +192,6 @@ int amdgpu_mes_init(struct amdgpu_device *adev) (uint64_t *)&adev->wb.wb[adev->mes.query_status_fence_offs[i]]; } - r = amdgpu_device_wb_get(adev, &adev->mes.read_val_offs); - if (r) { - dev_err(adev->dev, - "(%d) read_val_offs alloc failed\n", r); - goto error; - } - adev->mes.read_val_gpu_addr = - adev->wb.gpu_addr + (adev->mes.read_val_offs * 4); - adev->mes.read_val_ptr = - (uint32_t *)&adev->wb.wb[adev->mes.read_val_offs]; - r = amdgpu_mes_doorbell_init(adev); if (r) goto error; @@ -223,8 +212,6 @@ error: amdgpu_device_wb_free(adev, adev->mes.query_status_fence_offs[i]); } - if (adev->mes.read_val_ptr) - amdgpu_device_wb_free(adev, adev->mes.read_val_offs); idr_destroy(&adev->mes.pasid_idr); idr_destroy(&adev->mes.gang_id_idr); @@ -249,8 +236,6 @@ void amdgpu_mes_fini(struct amdgpu_device *adev) amdgpu_device_wb_free(adev, adev->mes.query_status_fence_offs[i]); } - if (adev->mes.read_val_ptr) - amdgpu_device_wb_free(adev, adev->mes.read_val_offs); amdgpu_mes_doorbell_free(adev); @@ -921,10 +906,19 @@ uint32_t amdgpu_mes_rreg(struct amdgpu_device *adev, uint32_t reg) { struct mes_misc_op_input op_input; int r, val = 0; + uint32_t addr_offset = 0; + uint64_t read_val_gpu_addr; + uint32_t *read_val_ptr; + if (amdgpu_device_wb_get(adev, &addr_offset)) { + DRM_ERROR("critical bug! too many mes readers\n"); + goto error; + } + read_val_gpu_addr = adev->wb.gpu_addr + (addr_offset * 4); + read_val_ptr = (uint32_t *)&adev->wb.wb[addr_offset]; op_input.op = MES_MISC_OP_READ_REG; op_input.read_reg.reg_offset = reg; - op_input.read_reg.buffer_addr = adev->mes.read_val_gpu_addr; + op_input.read_reg.buffer_addr = read_val_gpu_addr; if (!adev->mes.funcs->misc_op) { DRM_ERROR("mes rreg is not supported!\n"); @@ -935,9 +929,11 @@ uint32_t amdgpu_mes_rreg(struct amdgpu_device *adev, uint32_t reg) if (r) DRM_ERROR("failed to read reg (0x%x)\n", reg); else - val = *(adev->mes.read_val_ptr); + val = *(read_val_ptr); error: + if (addr_offset) + amdgpu_device_wb_free(adev, addr_offset); return val; } @@ -1682,6 +1678,29 @@ bool amdgpu_mes_suspend_resume_all_supported(struct amdgpu_device *adev) return is_supported; } +/* Fix me -- node_id is used to identify the correct MES instances in the future */ +int amdgpu_mes_set_enforce_isolation(struct amdgpu_device *adev, uint32_t node_id, bool enable) +{ + struct mes_misc_op_input op_input = {0}; + int r; + + op_input.op = MES_MISC_OP_CHANGE_CONFIG; + op_input.change_config.option.limit_single_process = enable ? 1 : 0; + + if (!adev->mes.funcs->misc_op) { + dev_err(adev->dev, "mes change config is not supported!\n"); + r = -EINVAL; + goto error; + } + + r = adev->mes.funcs->misc_op(&adev->mes, &op_input); + if (r) + dev_err(adev->dev, "failed to change_config.\n"); + +error: + return r; +} + #if defined(CONFIG_DEBUG_FS) static int amdgpu_debugfs_mes_event_log_show(struct seq_file *m, void *unused) |