From: Yakir Yang <ykk@rock-chips.com>
Date: Fri, 22 Apr 2016 08:13:00 +0000 (+0800)
Subject: drm/rockchip: analogix_dp: distinguish chip type for each chips
X-Git-Tag: firefly_0821_release~2751
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=d7b965329c28c4ec8ffe183c0c6ede7c8110785d;p=firefly-linux-kernel-4.4.55.git

drm/rockchip: analogix_dp: distinguish chip type for each chips

Driver could check the chip type to do some special things.

Change-Id: I2a33da466db0aa5133868c200a122df675f4c925
Signed-off-by: Yakir Yang <ykk@rock-chips.com>
---

diff --git a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
index 7f484c1c1bb8..e14c1b399eec 100644
--- a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
+++ b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
@@ -36,11 +36,17 @@
 
 #define to_dp(nm)	container_of(nm, struct rockchip_dp_device, nm)
 
+enum rockchip_dp_chip_type {
+	RK3288_DP,
+	RK3399_EDP,
+};
+
 struct rockchip_dp_chip_data {
 	u32	lcdsel_grf_reg;
 	u32	lcdsel_big;
 	u32	lcdsel_lit;
 	u32	lcdsel_mask;
+	u32	chip_type;
 };
 
 struct rockchip_dp_device {
@@ -376,6 +382,7 @@ static const struct rockchip_dp_chip_data rk3399_edp = {
 	.lcdsel_big = 0,
 	.lcdsel_lit = BIT(5),
 	.lcdsel_mask = BIT(21),
+	.chip_type = RK3399_EDP,
 };
 
 static const struct rockchip_dp_chip_data rk3288_dp = {
@@ -383,6 +390,7 @@ static const struct rockchip_dp_chip_data rk3288_dp = {
 	.lcdsel_big = 0,
 	.lcdsel_lit = BIT(5),
 	.lcdsel_mask = BIT(21),
+	.chip_type = RK3288_DP,
 };
 
 static const struct of_device_id rockchip_dp_dt_ids[] = {