On Mon, 18 Sep 2017, Ville Syrjala <ville.syrjala@xxxxxxxxxxxxxxx> wrote:
> From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
>
> 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.syrjala@xxxxxxxxxxxxxxx>
Reviewed-by: Jani Nikula <jani.nikula@xxxxxxxxx>
> ---
> 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,
--
Jani Nikula, Intel Open Source Technology Center
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