From: "stu.hsieh@mediatek.com" <stu.hsieh@mediatek.com>
Date: Wed, 20 Jun 2018 16:19:27 +0800
Subject: drm/mediatek: add DPI1 support for mutex
Git-commit: f4f3ec480e82fa0c8c93a02b01e46719e4985752
Patch-mainline: v4.19-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166

This patch add the DPI1 support for mutex

Signed-off-by: Stu Hsieh <stu.hsieh@mediatek.com>
Signed-off-by: CK Hu <ck.hu@mediatek.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 drivers/gpu/drm/mediatek/mtk_drm_ddp.c |    5 +++++
 1 file changed, 5 insertions(+)

--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
@@ -76,6 +76,7 @@
 #define MUTEX_SOF_DSI0			1
 #define MUTEX_SOF_DSI1			2
 #define MUTEX_SOF_DPI0			3
+#define MUTEX_SOF_DPI1			4
 
 #define OVL0_MOUT_EN_COLOR0		0x1
 #define OD_MOUT_EN_RDMA0		0x1
@@ -385,6 +386,9 @@ void mtk_disp_mutex_add_comp(struct mtk_
 	case DDP_COMPONENT_DPI0:
 		reg = MUTEX_SOF_DPI0;
 		break;
+	case DDP_COMPONENT_DPI1:
+		reg = MUTEX_SOF_DPI1;
+		break;
 	default:
 		if (ddp->mutex_mod[id] < 32) {
 			offset = DISP_REG_MUTEX_MOD(mutex->id);
@@ -417,6 +421,7 @@ void mtk_disp_mutex_remove_comp(struct m
 	case DDP_COMPONENT_DSI0:
 	case DDP_COMPONENT_DSI1:
 	case DDP_COMPONENT_DPI0:
+	case DDP_COMPONENT_DPI1:
 		writel_relaxed(MUTEX_SOF_SINGLE_MODE,
 			       ddp->regs + DISP_REG_MUTEX_SOF(mutex->id));
 		break;