Commit 67856d4d authored by Imre Deak's avatar Imre Deak

drm/i915/bxt: Use PHY0 GRC value for HW state verification

It's possible that BIOS enables PHY1 only to read out the GRC value from
it to be used in PHY0 and then disables PHY1. In this case we can't use
the PHY1 GRC value for state verification, so use instead the one in PHY0
always.
Signed-off-by: default avatarImre Deak <imre.deak@intel.com>
Reviewed-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1461174366-16758-2-git-send-email-imre.deak@intel.com
parent df28564d
...@@ -1778,7 +1778,7 @@ static void broxton_phy_init(struct drm_i915_private *dev_priv, ...@@ -1778,7 +1778,7 @@ static void broxton_phy_init(struct drm_i915_private *dev_priv,
DRM_DEBUG_DRIVER("DDI PHY %d already enabled, " DRM_DEBUG_DRIVER("DDI PHY %d already enabled, "
"won't reprogram it\n", phy); "won't reprogram it\n", phy);
/* Still read out the GRC value for state verification */ /* Still read out the GRC value for state verification */
if (phy == DPIO_PHY1) if (phy == DPIO_PHY0)
dev_priv->bxt_phy_grc = broxton_get_grc(dev_priv, phy); dev_priv->bxt_phy_grc = broxton_get_grc(dev_priv, phy);
return; return;
......
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