diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c index 9ddbf1494326..e544b823abf6 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c @@ -98,6 +98,26 @@ static int amdgpu_mes_doorbell_init(struct amdgpu_device *adev) return 0; } +static int amdgpu_mes_event_log_init(struct amdgpu_device *adev) +{ + int r; + + r = amdgpu_bo_create_kernel(adev, PAGE_SIZE, PAGE_SIZE, + AMDGPU_GEM_DOMAIN_GTT, + &adev->mes.event_log_gpu_obj, + &adev->mes.event_log_gpu_addr, + &adev->mes.event_log_cpu_addr); + if (r) { + dev_warn(adev->dev, "failed to create MES event log buffer (%d)", r); + return r; + } + + memset(adev->mes.event_log_cpu_addr, 0, PAGE_SIZE); + + return 0; + +} + static void amdgpu_mes_doorbell_free(struct amdgpu_device *adev) { bitmap_free(adev->mes.doorbell_bitmap); @@ -182,8 +202,14 @@ int amdgpu_mes_init(struct amdgpu_device *adev) if (r) goto error; + r = amdgpu_mes_event_log_init(adev); + if (r) + goto error_doorbell; + return 0; +error_doorbell: + amdgpu_mes_doorbell_free(adev); error: amdgpu_device_wb_free(adev, adev->mes.sch_ctx_offs); amdgpu_device_wb_free(adev, adev->mes.query_status_fence_offs); @@ -199,6 +225,10 @@ error_ids: void amdgpu_mes_fini(struct amdgpu_device *adev) { + amdgpu_bo_free_kernel(&adev->mes.event_log_gpu_obj, + &adev->mes.event_log_gpu_addr, + &adev->mes.event_log_cpu_addr); + amdgpu_device_wb_free(adev, adev->mes.sch_ctx_offs); amdgpu_device_wb_free(adev, adev->mes.query_status_fence_offs); amdgpu_device_wb_free(adev, adev->mes.read_val_offs); @@ -1479,3 +1509,34 @@ out: amdgpu_ucode_release(&adev->mes.fw[pipe]); return r; } + +#if defined(CONFIG_DEBUG_FS) + +static int amdgpu_debugfs_mes_event_log_show(struct seq_file *m, void *unused) +{ + struct amdgpu_device *adev = m->private; + uint32_t *mem = (uint32_t *)(adev->mes.event_log_cpu_addr); + + seq_hex_dump(m, "", DUMP_PREFIX_OFFSET, 32, 4, + mem, PAGE_SIZE, false); + + return 0; +} + + +DEFINE_SHOW_ATTRIBUTE(amdgpu_debugfs_mes_event_log); + +#endif + +void amdgpu_debugfs_mes_event_log_init(struct amdgpu_device *adev) +{ + +#if defined(CONFIG_DEBUG_FS) + struct drm_minor *minor = adev_to_drm(adev)->primary; + struct dentry *root = minor->debugfs_root; + + debugfs_create_file("amdgpu_mes_event_log", 0444, root, + adev, &amdgpu_debugfs_mes_event_log_fops); + +#endif +} |