Re: [PATCH v2 3/3] drm/i915: DDI: call intel_psr_ and _edp_drrs_enable() on pipe updates (v2)

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Hi,

On 20-12-18 18:10, Rodrigo Vivi wrote:
On Thu, Dec 20, 2018 at 02:21:20PM +0100, Hans de Goede wrote:
Call intel_psr_enable() and intel_edp_drrs_enable() on pipe updates to make
sure that we enable PSR / DRRS (when applicable) on fastsets.

Note calling these functions when PSR / DRRS has already been enabled is a
no-op, so it is safe to do this on every encoder->update_pipe callback.

Changes in v2:
-Merge the patches adding the intel_psr_enable() and intel_edp_drrs_enable()
  calls into a single patch

Reviewed-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>

Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@xxxxxxxxx>
Cc: José Roberto de Souza <jose.souza@xxxxxxxxx>

Acked-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>

After restoring my dinq mistake from yesterday I now have pushed this
properly.

Maarten, Rodrigo, thank you for the Review/Ack.

And with this wrapped up I'm to celebrate christmas with my family.

Merry christmas everyone.

Regards,

Hans





---
  drivers/gpu/drm/i915/intel_ddi.c | 19 +++++++++++++++++++
  1 file changed, 19 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index e3cc19e19199..fdf57f451b72 100644
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -3537,6 +3537,24 @@ static void intel_disable_ddi(struct intel_encoder *encoder,
  		intel_disable_ddi_dp(encoder, old_crtc_state, old_conn_state);
  }
+static void intel_ddi_update_pipe_dp(struct intel_encoder *encoder,
+				     const struct intel_crtc_state *crtc_state,
+				     const struct drm_connector_state *conn_state)
+{
+	struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
+
+	intel_psr_enable(intel_dp, crtc_state);
+	intel_edp_drrs_enable(intel_dp, crtc_state);
+}
+
+static void intel_ddi_update_pipe(struct intel_encoder *encoder,
+				  const struct intel_crtc_state *crtc_state,
+				  const struct drm_connector_state *conn_state)
+{
+	if (!intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI))
+		intel_ddi_update_pipe_dp(encoder, crtc_state, conn_state);
+}
+
  static void intel_ddi_set_fia_lane_count(struct intel_encoder *encoder,
  					 const struct intel_crtc_state *pipe_config,
  					 enum port port)
@@ -4169,6 +4187,7 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
  	intel_encoder->pre_enable = intel_ddi_pre_enable;
  	intel_encoder->disable = intel_disable_ddi;
  	intel_encoder->post_disable = intel_ddi_post_disable;
+	intel_encoder->update_pipe = intel_ddi_update_pipe;
  	intel_encoder->get_hw_state = intel_ddi_get_hw_state;
  	intel_encoder->get_config = intel_ddi_get_config;
  	intel_encoder->suspend = intel_ddi_encoder_suspend;
--
2.20.1

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