186 	if (!IS_ERR_OR_NULL(ipu_plane->alpha_ch))  in ipu_plane_put_resources()
187 		ipu_idmac_put(ipu_plane->alpha_ch);  in ipu_plane_put_resources()
194 	int alpha_ch;  in ipu_plane_get_resources()  local
207 	alpha_ch = ipu_channel_alpha_channel(ipu_plane->dma);  in ipu_plane_get_resources()
208 	if (alpha_ch >= 0) {  in ipu_plane_get_resources()
209 		ipu_plane->alpha_ch = ipu_idmac_get(ipu_plane->ipu, alpha_ch);  in ipu_plane_get_resources()
210 		if (IS_ERR(ipu_plane->alpha_ch)) {  in ipu_plane_get_resources()
211 			ret = PTR_ERR(ipu_plane->alpha_ch);  in ipu_plane_get_resources()
213 				  alpha_ch, ret);  in ipu_plane_get_resources()
259 		ipu_idmac_enable_channel(ipu_plane->alpha_ch);  in ipu_plane_enable()
279 	if (ipu_plane->alpha_ch)  in ipu_plane_disable()
280 		ipu_idmac_disable_channel(ipu_plane->alpha_ch);  in ipu_plane_disable()
668 			active = ipu_idmac_get_current_buffer(ipu_plane->alpha_ch);  in ipu_plane_atomic_update()
669 			ipu_cpmem_set_buffer(ipu_plane->alpha_ch, !active,  in ipu_plane_atomic_update()
671 			ipu_idmac_select_buffer(ipu_plane->alpha_ch, !active);  in ipu_plane_atomic_update()
754 		ipu_cpmem_zero(ipu_plane->alpha_ch);  in ipu_plane_atomic_update()
755 		ipu_cpmem_set_resolution(ipu_plane->alpha_ch, width,  in ipu_plane_atomic_update()
757 		ipu_cpmem_set_format_passthrough(ipu_plane->alpha_ch, 8);  in ipu_plane_atomic_update()
758 		ipu_cpmem_set_high_priority(ipu_plane->alpha_ch);  in ipu_plane_atomic_update()
759 		ipu_idmac_set_double_buffer(ipu_plane->alpha_ch, 1);  in ipu_plane_atomic_update()
760 		ipu_cpmem_set_stride(ipu_plane->alpha_ch, fb->pitches[1]);  in ipu_plane_atomic_update()
761 		ipu_cpmem_set_burstsize(ipu_plane->alpha_ch, 16);  in ipu_plane_atomic_update()
762 		ipu_cpmem_set_buffer(ipu_plane->alpha_ch, 0, alpha_eba);  in ipu_plane_atomic_update()
763 		ipu_cpmem_set_buffer(ipu_plane->alpha_ch, 1, alpha_eba);  in ipu_plane_atomic_update()