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 <lucas.demarchi@xxxxxxxxx>
Reviewed-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Signed-off-by: José Roberto de Souza <jose.souza@xxxxxxxxx>
---
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 a976606d21c7..0ce06a94a27e 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);
--
2.24.0
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