RK3399 and RK3288 shared the same eDP IP controller, only some light
difference with VOP configure and GRF configure.
Signed-off-by: Yakir Yang <ykk@xxxxxxxxxxxxxx>
---
.../bindings/display/bridge/analogix_dp.txt | 1 +
.../display/rockchip/analogix_dp-rockchip.txt | 2 +-
drivers/gpu/drm/rockchip/analogix_dp-rockchip.c | 45 +++++++++++++++++++---
3 files changed, 41 insertions(+), 7 deletions(-)
diff --git a/Documentation/devicetree/bindings/display/bridge/analogix_dp.txt b/Documentation/devicetree/bindings/display/bridge/analogix_dp.txt
index 4f2ba8c..4a0f4f7 100644
--- a/Documentation/devicetree/bindings/display/bridge/analogix_dp.txt
+++ b/Documentation/devicetree/bindings/display/bridge/analogix_dp.txt
@@ -5,6 +5,7 @@ Required properties for dp-controller:
platform specific such as:
* "samsung,exynos5-dp"
* "rockchip,rk3288-dp"
+ * "rockchip,rk3399-edp"
-reg:
physical base address of the controller and length
of memory mapped region.
diff --git a/Documentation/devicetree/bindings/display/rockchip/analogix_dp-rockchip.txt b/Documentation/devicetree/bindings/display/rockchip/analogix_dp-rockchip.txt
index e832ff9..5ae55ca 100644
--- a/Documentation/devicetree/bindings/display/rockchip/analogix_dp-rockchip.txt
+++ b/Documentation/devicetree/bindings/display/rockchip/analogix_dp-rockchip.txt
@@ -2,7 +2,7 @@ Rockchip RK3288 specific extensions to the Analogix Display Port
================================
Required properties:
-- compatible: "rockchip,rk3288-edp";
+- compatible: "rockchip,rk3288-edp" or "rockchip,rk3399-edp";
- reg: physical base address of the controller and length
diff --git a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
index 4f55bdf..f559b5c 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 {
@@ -115,9 +121,31 @@ static void rockchip_dp_drm_encoder_mode_set(struct drm_encoder *encoder,
static void rockchip_dp_drm_encoder_enable(struct drm_encoder *encoder)
{
struct rockchip_dp_device *dp = to_dp(encoder);
+ int out_mode;
int ret;
u32 val;
+ ret = drm_of_encoder_active_endpoint_id(dp->dev->of_node, encoder);
+ if (ret < 0)
+ return;
+
+ switch (dp->data->chip_type) {
+ case RK3399_EDP:
+ /*
+ * For RK3399, VOP Lit must code the out mode to RGB888,
+ * VOP Big must code the out mode to RGB10.
+ */
+ if (ret)
+ out_mode = ROCKCHIP_OUT_MODE_P888;
+ else
+ out_mode = ROCKCHIP_OUT_MODE_AAAA;
+ break;
+
+ default:
+ out_mode = ROCKCHIP_OUT_MODE_AAAA;
+ break;
+ }
+
/*
* FIXME(Yakir): driver should configure the CRTC output video
* mode with the display information which indicated the monitor
@@ -132,17 +160,12 @@ static void rockchip_dp_drm_encoder_enable(struct drm_encoder *encoder)
* RGB666 input video mode, then screen would works prefect.
*/
ret = rockchip_drm_crtc_mode_config(encoder->crtc,
- DRM_MODE_CONNECTOR_eDP,
- ROCKCHIP_OUT_MODE_AAAA);
+ DRM_MODE_CONNECTOR_eDP, out_mode);
if (ret < 0) {
dev_err(dp->dev, "Could not set crtc mode config (%d)\n", ret);
return;
}
- ret = drm_of_encoder_active_endpoint_id(dp->dev->of_node, encoder);
- if (ret < 0)
- return;
-
if (ret)
val = dp->data->lcdsel_lit | dp->data->lcdsel_mask;
else
@@ -369,15 +392,25 @@ static const struct dev_pm_ops rockchip_dp_pm_ops = {
SET_SYSTEM_SLEEP_PM_OPS(rockchip_dp_suspend, rockchip_dp_resume)
};
+static const struct rockchip_dp_chip_data rk3399_edp = {
+ .lcdsel_grf_reg = 0x6250,
+ .lcdsel_big = 0,
+ .lcdsel_lit = BIT(5),
+ .lcdsel_mask = BIT(21),
+ .chip_type = RK3399_EDP,
+};
+
static const struct rockchip_dp_chip_data rk3288_dp = {
.lcdsel_grf_reg = 0x025c,
.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[] = {
{.compatible = "rockchip,rk3288-dp", .data = &rk3288_dp },
+ {.compatible = "rockchip,rk3399-edp", .data = &rk3399_edp },
{}
};
MODULE_DEVICE_TABLE(of, rockchip_dp_dt_ids);
--
1.9.1
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