<7> [523.258227] i915 0000:00:02.0: [drm:skl_compute_wm [i915]] [PLANE:178:plane 2C] min_ddb 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 -> 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
<7> [523.260056] i915 0000:00:02.0: [drm:skl_compute_wm [i915]] [PLANE:187:plane 3C] level wm0, wm1, wm2, wm3, wm4, wm5, wm6, wm7, twm, swm, stwm -> wm0, wm1, wm2, wm3, wm4, wm5, wm6, wm7, twm, swm, stwm
<7> [523.261564] i915 0000:00:02.0: [drm:skl_compute_wm [i915]] [PLANE:187:plane 3C] lines 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 -> 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
<7> [523.263108] i915 0000:00:02.0: [drm:skl_compute_wm [i915]] [PLANE:187:plane 3C] blocks 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7 -> 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
<7> [523.264572] i915 0000:00:02.0: [drm:skl_compute_wm [i915]] [PLANE:187:plane 3C] min_ddb 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 -> 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
<3> [523.265883] rcs0: heartbeat 0 did not start
<3> [523.266611] i915/intel_heartbeat_live_selftests: live_heartbeat_fast failed with error -22
<7> [523.266157] i915 0000:00:02.0: [drm:skl_compute_wm [i915]] [PLANE:196:plane 4C] level wm0, wm1, wm2, wm3, wm4, wm5, wm6, wm7, twm, swm, stwm -> wm0, wm1, wm2, wm3, wm4, wm5, wm6, wm7, twm, swm, stwm
<7> [523.266733] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling DC_off
<7> [523.267370] i915 0000:00:02.0: [drm:skl_compute_wm [i915]] [PLANE:196:plane 4C] lines 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 -> 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
<7> [523.269226] i915 0000:00:02.0: [drm:skl_compute_wm [i915]] [PLANE:196:plane 4C] blocks 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7 -> 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
<7> [523.269735] i915 0000:00:02.0: [drm:gen9_set_dc_state.part.15 [i915]] Setting DC state from 02 to 00
<7> [523.270555] i915 0000:00:02.0: [drm:skl_compute_wm [i915]] [PLANE:196:plane 4C] min_ddb 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 -> 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
<7> [523.272033] i915 0000:00:02.0: [drm:skl_compute_wm [i915]] [PLANE:205:plane 5C] level wm0, wm1, wm2, wm3, wm4, wm5, wm6, wm7, twm, swm, stwm -> wm0, wm1, wm2, wm3, wm4, wm5, wm6, wm7, twm, swm, stwm
<7> [523.272298] i915 0000:00:02.0: [drm:check_phy_reg [i915]] Combo PHY A reg 001628a0 state mismatch: current 9003573c mask e0000000 expected a0000000
<7> [523.273169] i915 0000:00:02.0: [drm:skl_compute_wm [i915]] [PLANE:205:plane 5C] lines 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 -> 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
<7> [523.274200] i915 0000:00:02.0: [drm:icl_verify_procmon_ref_values [i915]] Combo PHY A Voltage/Process Info : 0.85V dot0 (low-voltage)
<7> [523.274540] i915 0000:00:02.0: [drm:skl_compute_wm [i915]] [PLANE:205:plane 5C] blocks 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7 -> 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
<7> [523.276057] i915 0000:00:02.0: [drm:skl_compute_wm [i915]] [PLANE:205:plane 5C] min_ddb 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 -> 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
<7> [523.276710] i915 0000:00:02.0: [drm:check_phy_reg [i915]] Combo PHY B reg 0006c8a0 state mismatch: current 9003501c mask e0000000 expected a0000000