drm/msm/dp: stop calling set_encoder_mode callback

None of the display drivers now implement set_encoder_mode callback.
Stop calling it from the modeset init code.
Signed-off-by: NDmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: NAbhinav Kumar <abhinavk@codeaurora.org>
Link: https://lore.kernel.org/r/20210717124016.316020-6-dmitry.baryshkov@linaro.orgReviewed-by: NBjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: NDmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: NRob Clark <robdclark@chromium.org>

drivers/gpu/drm/msm/dp/dp_display.c

@@ -102,8 +102,6 @@ struct dp_display_private {
 	struct dp_display_mode dp_mode;
 	struct msm_dp dp_display;
 
-	bool encoder_mode_set;
-
 	/* wait for audio signaling */
 	struct completion audio_comp;
 
@@ -283,20 +281,6 @@ static void dp_display_send_hpd_event(struct msm_dp *dp_display)
 }
 
 
-static void dp_display_set_encoder_mode(struct dp_display_private *dp)
-{
-	struct msm_drm_private *priv = dp->dp_display.drm_dev->dev_private;
-	struct msm_kms *kms = priv->kms;
-
-	if (!dp->encoder_mode_set && dp->dp_display.encoder &&
-				kms->funcs->set_encoder_mode) {
-		kms->funcs->set_encoder_mode(kms,
-				dp->dp_display.encoder, false);
-
-		dp->encoder_mode_set = true;
-	}
-}
-
 static int dp_display_send_hpd_notification(struct dp_display_private *dp,
 					    bool hpd)
 {
@@ -369,8 +353,6 @@ static void dp_display_host_init(struct dp_display_private *dp, int reset)
 	if (dp->usbpd->orientation == ORIENTATION_CC2)
 		flip = true;
 
-	dp_display_set_encoder_mode(dp);
-
 	dp_power_init(dp->power, flip);
 	dp_ctrl_host_init(dp->ctrl, flip, reset);
 	dp_aux_init(dp->aux);