diff options
Diffstat (limited to 'drivers/gpu/drm/xe/xe_gt_debugfs.c')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_gt_debugfs.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_gt_debugfs.c b/drivers/gpu/drm/xe/xe_gt_debugfs.c index 4363bc9c3606..f45306308cd6 100644 --- a/drivers/gpu/drm/xe/xe_gt_debugfs.c +++ b/drivers/gpu/drm/xe/xe_gt_debugfs.c @@ -155,6 +155,30 @@ static int register_save_restore(struct xe_gt *gt, struct drm_printer *p) return 0; } +/* + * Check the registers referenced on a save-restore list and report any + * save-restore entries that did not get applied. + */ +static int register_save_restore_check(struct xe_gt *gt, struct drm_printer *p) +{ + struct xe_hw_engine *hwe; + enum xe_hw_engine_id id; + + CLASS(xe_force_wake, fw_ref)(gt_to_fw(gt), XE_FORCEWAKE_ALL); + if (!xe_force_wake_ref_has_domain(fw_ref.domains, XE_FORCEWAKE_ALL)) { + drm_printf(p, "ERROR: Could not acquire forcewake\n"); + return -ETIMEDOUT; + } + + xe_reg_sr_readback_check(>->reg_sr, gt, p); + for_each_hw_engine(hwe, gt, id) + xe_reg_sr_readback_check(&hwe->reg_sr, gt, p); + for_each_hw_engine(hwe, gt, id) + xe_reg_sr_lrc_check(&hwe->reg_lrc, gt, hwe, p); + + return 0; +} + static int rcs_default_lrc(struct xe_gt *gt, struct drm_printer *p) { xe_lrc_dump_default(p, gt, XE_ENGINE_CLASS_RENDER); @@ -209,6 +233,8 @@ static const struct drm_info_list vf_safe_debugfs_list[] = { { "default_lrc_vecs", .show = xe_gt_debugfs_show_with_rpm, .data = vecs_default_lrc }, { "hwconfig", .show = xe_gt_debugfs_show_with_rpm, .data = hwconfig }, { "pat_sw_config", .show = xe_gt_debugfs_simple_show, .data = xe_pat_dump_sw_config }, + { "register-save-restore-check", + .show = xe_gt_debugfs_show_with_rpm, .data = register_save_restore_check }, }; /* everything else should be added here */ |