From: Ville Syrjälä <ville.syrj...@linux.intel.com>
Extract the code to disable the DDI_BUF_CTL into small helper. This
will allows us to detangle the encoder type mess in
intel_ddi_post_disable().
Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
---
drivers/gpu/drm/i915/intel_ddi.c | 41 +++++++++++++++++++++++-----------------
1 file changed, 24 insertions(+), 17 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index 2b4de7d03ff0..2dbbd47665de 100644
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -2238,25 +2238,12 @@ static void intel_ddi_pre_enable(struct intel_encoder
*encoder,
}
}
-static void intel_ddi_post_disable(struct intel_encoder *intel_encoder,
- const struct intel_crtc_state
*old_crtc_state,
- const struct drm_connector_state
*old_conn_state)
+static void intel_disable_ddi_buf(struct intel_encoder *encoder)
{
- struct drm_encoder *encoder = &intel_encoder->base;
- struct drm_i915_private *dev_priv = to_i915(encoder->dev);
- enum port port = intel_ddi_get_encoder_port(intel_encoder);
- struct intel_digital_port *dig_port = enc_to_dig_port(encoder);
- int type = intel_encoder->type;
- uint32_t val;
+ struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+ enum port port = encoder->port;
bool wait = false;
-
- /* old_crtc_state and old_conn_state are NULL when called from DP_MST */
-
- if (type == INTEL_OUTPUT_DP || type == INTEL_OUTPUT_EDP) {
- struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
-
- intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_OFF);
- }
+ u32 val;
val = I915_READ(DDI_BUF_CTL(port));
if (val & DDI_BUF_CTL_ENABLE) {
@@ -2272,6 +2259,26 @@ static void intel_ddi_post_disable(struct intel_encoder
*intel_encoder,
if (wait)
intel_wait_ddi_buf_idle(dev_priv, port);
+}
+
+static void intel_ddi_post_disable(struct intel_encoder *intel_encoder,
+ const struct intel_crtc_state
*old_crtc_state,
+ const struct drm_connector_state
*old_conn_state)
+{
+ struct drm_encoder *encoder = &intel_encoder->base;
+ struct drm_i915_private *dev_priv = to_i915(encoder->dev);
+ struct intel_digital_port *dig_port = enc_to_dig_port(encoder);
+ int type = intel_encoder->type;
+
+ /* old_crtc_state and old_conn_state are NULL when called from DP_MST */
+
+ if (type == INTEL_OUTPUT_DP || type == INTEL_OUTPUT_EDP) {
+ struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
+
+ intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_OFF);
+ }
+
+ intel_disable_ddi_buf(intel_encoder);
if (type == INTEL_OUTPUT_HDMI) {
dig_port->set_infoframes(encoder, false,
--
2.13.5
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