diff options
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dsi.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c index e7e823d..c26fe4f 100644 --- a/drivers/gpu/drm/i915/intel_dsi.c +++ b/drivers/gpu/drm/i915/intel_dsi.c @@ -612,6 +612,8 @@ static void intel_dsi_pre_disable(struct intel_encoder *encoder, struct intel_crtc_state *old_crtc_state, struct drm_connector_state *old_conn_state) { + struct drm_device *dev = encoder->base.dev; + struct drm_i915_private *dev_priv = dev->dev_private; struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base); enum port port; @@ -619,6 +621,15 @@ static void intel_dsi_pre_disable(struct intel_encoder *encoder, intel_panel_disable_backlight(intel_dsi->attached_connector); + /* + * Disable Device ready before the port shutdown in order + * to avoid split screen + */ + if (IS_BROXTON(dev_priv)) { + for_each_dsi_port(port, intel_dsi->ports) + I915_WRITE(MIPI_DEVICE_READY(port), 0); + } + if (is_vid_mode(intel_dsi)) { /* Send Shutdown command to the panel in LP mode */ for_each_dsi_port(port, intel_dsi->ports) |
