few tests - dmesg-warn - *ERROR* GT0: discarding save-restore reg *
<7> [309.736229] xe 0000:00:02.0: [drm:guc_print_params [xe]] GT0: GuC param[13] = 0x00000000
<6> [309.736282] xe 0000:00:02.0: [drm] GT0: using 65535 GUC IDs
<7> [309.745996] xe 0000:00:02.0: [drm:xe_guc_db_mgr_init [xe]] GT0: using 256 doorbells
<7> [309.748425] xe 0000:00:02.0: [drm:__xe_guc_upload [xe]] GT0: load still in progress, timeouts = 0, freq = 1850MHz (req 1850MHz), status = 0x00000064 [0x32/00]
<7> [309.748504] xe 0000:00:02.0: [drm:__xe_guc_upload [xe]] GT0: load still in progress, timeouts = 0, freq = 1850MHz (req 1850MHz), status = 0x00000072 [0x39/00]
<7> [309.754142] xe 0000:00:02.0: [drm:__xe_guc_upload [xe]] GT0: load still in progress, timeouts = 0, freq = 1850MHz (req 1850MHz), status = 0x80000534 [0x1A/05]
<7> [309.755879] xe 0000:00:02.0: [drm:__xe_guc_upload [xe]] GT0: init took 7ms, freq = 1850MHz (req = 1850MHz), before = 1850MHz, status = 0x8002F034, timeouts = 0
<7> [309.756328] xe 0000:00:02.0: [drm:xe_guc_ct_enable [xe]] GT0: GuC CT communication channel enabled
<3> [309.756612] xe 0000:00:02.0: [drm] *ERROR* GT0: discarding save-restore reg 5588 (clear: 00000400, set: 00000400, masked: yes, mcr: yes): ret=-22
<7> [309.757442] xe 0000:00:02.0: [drm:xe_gt_record_default_lrcs [xe]] GT0: LRC WA rcs0 save-restore batch
<7> [309.757598] xe 0000:00:02.0: [drm:xe_gt_record_default_lrcs [xe]] GT0: REG[0x5588] = 0x04000400
<7> [309.757735] xe 0000:00:02.0: [drm:xe_gt_record_default_lrcs [xe]] GT0: REG[0x6208] = 0x00200020
<7> [309.757856] xe 0000:00:02.0: [drm:xe_gt_record_default_lrcs [xe]] GT0: REG[0x7010] = 0x40004000
<7> [309.757961] xe 0000:00:02.0: [drm:xe_gt_record_default_lrcs [xe]] GT0: REG[0x7044] = 0x04200420
<7> [309.758069] xe 0000:00:02.0: [drm:xe_gt_record_default_lrcs [xe]] GT0: REG[0x83a8] = 0x20002000
<7> [309.760204] xe 0000:00:02.0: [drm:xe_gt_record_default_lrcs [xe]] GT0: LRC WA bcs0 save-restore batch
<7> [309.760309] xe 0000:00:02.0: [drm:xe_gt_record_default_lrcs [xe]] GT0: REG[0x22204] = 0x00000606
<6> [309.766309] xe 0000:00:02.0: [drm] vcs1 fused off
<6> [309.766314] xe 0000:00:02.0: [drm] vcs2 fused off
<6> [309.766315] xe 0000:00:02.0: [drm] vcs3 fused off
<6> [309.766316] xe 0000:00:02.0: [drm] vcs4 fused off
<6> [309.766317] xe 0000:00:02.0: [drm] vcs5 fused off
<6> [309.766318] xe 0000:00:02.0: [drm] vcs6 fused off
<6> [309.766319] xe 0000:00:02.0: [drm] vcs7 fused off