Not actively used. Clean up the crtc mixer struct.
changes in v2:
	- none
Signed-off-by: Jeykumar Sankaran <jsanka@codeaurora.org>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
                        return;
                }
 
-               mixer->encoder = enc;
-
                cstate->num_mixers++;
                DPU_DEBUG("setup mixer %d: lm %d\n",
                                i, mixer->hw_lm->idx - LM_0);
 
  * struct dpu_crtc_mixer: stores the map for each virtual pipeline in the CRTC
  * @hw_lm:     LM HW Driver context
  * @lm_ctl:    CTL Path HW driver context
- * @encoder:   Encoder attached to this lm & ctl
  * @mixer_op_mode:     mixer blending operation mode
  * @flush_mask:        mixer flush mask for ctl, mixer and pipe
  */
 struct dpu_crtc_mixer {
        struct dpu_hw_mixer *hw_lm;
        struct dpu_hw_ctl *lm_ctl;
-       struct drm_encoder *encoder;
        u32 mixer_op_mode;
        u32 flush_mask;
 };