diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_combo_phy.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_combo_phy.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_combo_phy.c b/drivers/gpu/drm/i915/intel_combo_phy.c index de3c4954a773..f7c16f6724f0 100644 --- a/drivers/gpu/drm/i915/intel_combo_phy.c +++ b/drivers/gpu/drm/i915/intel_combo_phy.c @@ -202,6 +202,12 @@ void icl_combo_phys_init(struct drm_i915_private *dev_priv) for (port = PORT_A; port <= PORT_B; port++) { u32 val; + if (icl_combo_phy_verify_state(dev_priv, port)) { + DRM_DEBUG_DRIVER("Port %c combo PHY already enabled, won't reprogram it.\n", + port_name(port)); + continue; + } + val = I915_READ(ICL_PHY_MISC(port)); val &= ~ICL_PHY_MISC_DE_IO_COMP_PWR_DOWN; I915_WRITE(ICL_PHY_MISC(port), val); |