When the HW is powered down, the register state and links are lost. This may be an issue in the firmware, or in the code expectations; whatever it is, it is expected behaviour now for Tigerlake; stop warning!
References: https://gitlab.freedesktop.org/drm/intel/-/issues/2411 Fixes: 239bef676d8e ("drm/i915/display: Implement new combo phy initialization step") Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk> Cc: Clinton A Taylor <clinton.a.tay...@intel.com> Cc: Lucas De Marchi <lucas.demar...@intel.com> Cc: Matt Roper <matthew.d.ro...@intel.com> Cc: José Roberto de Souza <jose.so...@intel.com> Cc: <sta...@vger.kernel.org> # v5.9+ --- drivers/gpu/drm/i915/display/intel_combo_phy.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_combo_phy.c b/drivers/gpu/drm/i915/display/intel_combo_phy.c index d5ad61e4083e..9a87df982af8 100644 --- a/drivers/gpu/drm/i915/display/intel_combo_phy.c +++ b/drivers/gpu/drm/i915/display/intel_combo_phy.c @@ -428,9 +428,9 @@ static void icl_combo_phys_uninit(struct drm_i915_private *dev_priv) if (phy == PHY_A && !icl_combo_phy_verify_state(dev_priv, phy)) - drm_warn(&dev_priv->drm, - "Combo PHY %c HW state changed unexpectedly\n", - phy_name(phy)); + drm_dbg_kms(&dev_priv->drm, + "Combo PHY %c HW state changed unexpectedly\n", + phy_name(phy)); if (!has_phy_misc(dev_priv, phy)) goto skip_phy_misc; -- 2.20.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx
