[Intel-gfx] [PATCH v2 2/2] drm/i915/intel_combo_phy: Print procmon ref values

Ankit Nautiyal ankit.k.nautiyal at intel.com
Tue Oct 26 12:19:32 UTC 2021


Add debug print for Procmon Ref values, to help get the
voltage configurations of combo PHYs.

v2: Corrected drm_dbg to drm_dbg_kms (Jani)

Suggested-by: Imre Deak <imre.deak at intel.com>
Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal at intel.com>
---
 drivers/gpu/drm/i915/display/intel_combo_phy.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_combo_phy.c b/drivers/gpu/drm/i915/display/intel_combo_phy.c
index 634e8d449457..72985cd5a263 100644
--- a/drivers/gpu/drm/i915/display/intel_combo_phy.c
+++ b/drivers/gpu/drm/i915/display/intel_combo_phy.c
@@ -112,6 +112,10 @@ static bool icl_verify_procmon_ref_values(struct drm_i915_private *dev_priv,
 
 	procmon = icl_get_procmon_ref_values(dev_priv, phy);
 
+	drm_dbg_kms(&dev_priv->drm,
+		    "Combo PHY %c PROCMON values : 0x%x, 0x%x, 0x%x\n",
+		    phy_name(phy), procmon->dw1, procmon->dw9, procmon->dw10);
+
 	ret = check_phy_reg(dev_priv, phy, ICL_PORT_COMP_DW1(phy),
 			    (0xff << 16) | 0xff, procmon->dw1);
 	ret &= check_phy_reg(dev_priv, phy, ICL_PORT_COMP_DW9(phy),
-- 
2.25.1



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