If the DDI encoder output is enabled in HDMI mode there is no point in calling intel_dp_sync_state(), as in that case the DPCD initialization will fail - as expected - with AUX timeouts. Prevent calling the hook in this case.
Signed-off-by: Imre Deak <[email protected]> --- drivers/gpu/drm/i915/display/intel_ddi.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index a07aca96e5517..11ee4406dce8f 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -4172,7 +4172,8 @@ static void intel_ddi_sync_state(struct intel_encoder *encoder, intel_tc_port_sanitize_mode(enc_to_dig_port(encoder), crtc_state); - if (intel_encoder_is_dp(encoder)) + if ((crtc_state && intel_crtc_has_dp_encoder(crtc_state)) || + (!crtc_state && intel_encoder_is_dp(encoder))) intel_dp_sync_state(encoder, crtc_state); } -- 2.44.2
