diff options
| author | Imre Deak <imre.deak@intel.com> | 2019-06-28 17:36:22 +0300 |
|---|---|---|
| committer | Imre Deak <imre.deak@intel.com> | 2019-07-01 14:50:16 +0300 |
| commit | ddec362724f98a6725aeafda7701a40635c15909 (patch) | |
| tree | 442edbbaf78df9cbdc672a7c2682c2c5b526777d /drivers/gpu/drm/i915/display/intel_tc.c | |
| parent | c905eb28bd3f43e96ef9180971f7809738caaa27 (diff) | |
drm/i915: Wait for TypeC PHY complete flag to clear in safe mode
The PHY status complete flag normally clears when disconnecting the PHY
in DP-alt mode (achieved by switching to safe mode), so wait for the
flag to clear.
v2:
- Use DRM_DEBUG_KMS instead of DRM_DEBUG_DRIVER. (José)
Cc: José Roberto de Souza <jose.souza@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190628143635.22066-11-imre.deak@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_tc.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_tc.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_tc.c b/drivers/gpu/drm/i915/display/intel_tc.c index f0688c7450c7..4243db6d25a7 100644 --- a/drivers/gpu/drm/i915/display/intel_tc.c +++ b/drivers/gpu/drm/i915/display/intel_tc.c @@ -130,6 +130,10 @@ static void icl_tc_phy_set_safe_mode(struct intel_digital_port *dig_port, val |= DP_PHY_MODE_STATUS_NOT_SAFE(tc_port); I915_WRITE(PORT_TX_DFLEXDPCSSS, val); + + if (enable && wait_for(!icl_tc_phy_status_complete(dig_port), 10)) + DRM_DEBUG_KMS("Port %s: PHY complete clear timed out\n", + dig_port->tc_port_name); } /* |