115 	 * Once NV12 is enabled, handle it here while allocating scaler  in skl_update_scaler()
126 	 * if plane is being disabled or scaler is no more required or force detach  in skl_update_scaler()
127 	 *  - free scaler binded to this plane/crtc  in skl_update_scaler()
130 	 * Here scaler state in crtc_state is set free so that  in skl_update_scaler()
131 	 * scaler can be assigned to other user. Actual register  in skl_update_scaler()
132 	 * update to free the scaler is done in plane/panel-fit programming.  in skl_update_scaler()
142 				    "Staged freeing scaler id %d scaler_users = 0x%x\n",  in skl_update_scaler()
168 			    "size is out of scaler range\n",  in skl_update_scaler()
174 	/* mark this plane as a scaler user in crtc_state */  in skl_update_scaler()
205  * skl_update_scaler_plane - Stages update to scaler state for a given plane.
206  * @crtc_state: crtc's scaler state
224 	/* Pre-gen11 and SDR planes always need a scaler for planar formats. */  in skl_update_scaler_plane()
338  *  To enable nearest-neighbor scaling:  program scaler coefficents with
464 	const struct intel_scaler *scaler =  in skl_program_plane_scaler()  local
501 	ps_ctrl |= PS_SCALER_EN | PS_PLANE_SEL(plane->id) | scaler->mode;  in skl_program_plane_scaler()