drm/mediatek: Add AAL output size configuration

To avoid the output width and height is incorrect,
AAL_OUTPUT_SIZE configuration should be set.

Fixes: 0664d139 ("drm/mediatek: Add AAL engine basic function")
Signed-off-by: jason-jh.lin <jason-jh.lin@mediatek.com>
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>

drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c

@@ -34,6 +34,7 @@
 
 #define DISP_AAL_EN				0x0000
 #define DISP_AAL_SIZE				0x0030
+#define DISP_AAL_OUTPUT_SIZE			0x04d8
 
 #define DISP_DITHER_EN				0x0000
 #define DITHER_EN				BIT(0)
@@ -197,6 +198,7 @@ static void mtk_aal_config(struct device *dev, unsigned int w,
 	struct mtk_ddp_comp_dev *priv = dev_get_drvdata(dev);
 
 	mtk_ddp_write(cmdq_pkt, w << 16 | h, &priv->cmdq_reg, priv->regs, DISP_AAL_SIZE);
+	mtk_ddp_write(cmdq_pkt, w << 16 | h, &priv->cmdq_reg, priv->regs, DISP_AAL_OUTPUT_SIZE);
 }
 
 static void mtk_aal_gamma_set(struct device *dev, struct drm_crtc_state *state)