From 50a7efb280a8f13a4cfdfd5f921f53925a09a09a Mon Sep 17 00:00:00 2001 From: =?utf8?q?Jos=C3=A9=20Roberto=20de=20Souza?= Date: Mon, 2 Dec 2019 14:25:12 -0800 Subject: [PATCH] drm/i915/dp: Power down sink before disable pipe/transcoder clock MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Disabling pipe/transcoder clock before power down sink could cause sink lost signal, causing it to trigger a hotplug to notify source that link signal was lost. Cc: Lucas De Marchi Reviewed-by: Ville Syrjälä Signed-off-by: José Roberto de Souza Link: https://patchwork.freedesktop.org/patch/msgid/20191202222513.337777-2-jose.souza@intel.com --- drivers/gpu/drm/i915/display/intel_ddi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index a976606d21c79..0ce06a94a27ef 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -3802,12 +3802,12 @@ static void intel_ddi_post_disable_dp(struct intel_encoder *encoder, enum phy phy = intel_port_to_phy(dev_priv, encoder->port); if (!is_mst) { - intel_ddi_disable_pipe_clock(old_crtc_state); /* * Power down sink before disabling the port, otherwise we end * up getting interrupts from the sink on detecting link loss. */ intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_OFF); + intel_ddi_disable_pipe_clock(old_crtc_state); } intel_disable_ddi_buf(encoder, old_crtc_state); -- 2.30.2