drm/imx/ipuv3: ipuv3-plane: reuse local variable height in atomic_update

Use the already existing local variable height = drm_rect_height() >> 16
to replace other occurrences of the same value.
Suggested-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Link: https://lore.kernel.org/r/20221220094430.3469811-1-p.zabel@pengutronix.deSigned-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20221220094430.3469811-1-p.zabel@pengutronix.de

drivers/gpu/drm/imx/ipuv3/ipuv3-plane.c

@@ -618,6 +618,7 @@ static void ipu_plane_atomic_update(struct drm_plane *plane,
 		width = ipu_src_rect_width(new_state);
 	else
 		width = drm_rect_width(&new_state->src) >> 16;
+	height = drm_rect_height(&new_state->src) >> 16;
 
 	eba = drm_plane_state_to_eba(new_state, 0);
 
@@ -628,9 +629,9 @@ static void ipu_plane_atomic_update(struct drm_plane *plane,
 	if (ipu_state->use_pre) {
 		axi_id = ipu_chan_assign_axi_id(ipu_plane->dma);
 		ipu_prg_channel_configure(ipu_plane->ipu_ch, axi_id, width,
-					  drm_rect_height(&new_state->src) >> 16,
-					  fb->pitches[0], fb->format->format,
-					  fb->modifier, &eba);
+					  height, fb->pitches[0],
+					  fb->format->format, fb->modifier,
+					  &eba);
 	}
 
 	if (!old_state->fb ||
@@ -684,7 +685,6 @@ static void ipu_plane_atomic_update(struct drm_plane *plane,
 
 	ipu_dmfc_config_wait4eot(ipu_plane->dmfc, width);
 
-	height = drm_rect_height(&new_state->src) >> 16;
 	info = drm_format_info(fb->format->format);
 	ipu_calculate_bursts(width, info->cpp[0], fb->pitches[0],
 			     &burstsize, &num_bursts);
@@ -747,8 +747,7 @@ static void ipu_plane_atomic_update(struct drm_plane *plane,
 		ipu_cpmem_set_burstsize(ipu_plane->ipu_ch, 16);
 
 		ipu_cpmem_zero(ipu_plane->alpha_ch);
-		ipu_cpmem_set_resolution(ipu_plane->alpha_ch, width,
-					 drm_rect_height(&new_state->src) >> 16);
+		ipu_cpmem_set_resolution(ipu_plane->alpha_ch, width, height);
 		ipu_cpmem_set_format_passthrough(ipu_plane->alpha_ch, 8);
 		ipu_cpmem_set_high_priority(ipu_plane->alpha_ch);
 		ipu_idmac_set_double_buffer(ipu_plane->alpha_ch, 1);