From: Matt Roper <matthew.d.roper@xxxxxxxxx> commit 28adef861233c6fce47372ebd2070b55eaa8e899 upstream. We need to use phy_name() to convert the PHY value into a human-readable character in the error message. Fixes: a6a128116e55 ("drm/i915/dg2: Wait for SNPS PHY calibration during display init") Signed-off-by: Matt Roper <matthew.d.roper@xxxxxxxxx> Reviewed-by: Swathi Dhanavanthri <swathi.dhanavanthri@xxxxxxxxx> Link: https://patchwork.freedesktop.org/patch/msgid/20220215163545.2175730-1-matthew.d.roper@xxxxxxxxx (cherry picked from commit 84073e568eec7b586b2f6fd5fb2fb08f59edec54) Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/gpu/drm/i915/display/intel_snps_phy.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/gpu/drm/i915/display/intel_snps_phy.c +++ b/drivers/gpu/drm/i915/display/intel_snps_phy.c @@ -32,7 +32,7 @@ void intel_snps_phy_wait_for_calibration if (intel_de_wait_for_clear(dev_priv, ICL_PHY_MISC(phy), DG2_PHY_DP_TX_ACK_MASK, 25)) DRM_ERROR("SNPS PHY %c failed to calibrate after 25ms.\n", - phy); + phy_name(phy)); } } Patches currently in stable-queue which might be from matthew.d.roper@xxxxxxxxx are queue-5.15/drm-i915-dg2-print-phy-name-properly-on-calibration-error.patch