diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_ddi.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_ddi.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index ebcc7302706b..3cacb1e279c1 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -3807,11 +3807,19 @@ static void intel_ddi_post_disable_dp(struct intel_encoder *encoder, */ intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_OFF); - if (!is_mst) + if (INTEL_GEN(dev_priv) < 12 && !is_mst) intel_ddi_disable_pipe_clock(old_crtc_state); intel_disable_ddi_buf(encoder, old_crtc_state); + /* + * From TGL spec: "If single stream or multi-stream master transcoder: + * Configure Transcoder Clock select to direct no clock to the + * transcoder" + */ + if (INTEL_GEN(dev_priv) >= 12) + intel_ddi_disable_pipe_clock(old_crtc_state); + intel_edp_panel_vdd_on(intel_dp); intel_edp_panel_off(intel_dp); |