[PATCH v2 05/10] drm/rockchip: analogix_dp: add rk3399 eDP support

Yakir Yang
2016-05-24T06:57:23Z

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@rock-chips.com>
---
Changes in v2:
- rebase with drm-next, fix some conflicts

.../bindings/display/bridge/analogix_dp.txt | 1 +
.../display/rockchip/analogix_dp-rockchip.txt | 2 +-
drivers/gpu/drm/rockchip/analogix_dp-rockchip.c | 36 ++++++++++++++++++++--
include/drm/bridge/analogix_dp.h | 1 +
4 files changed, 37 insertions(+), 3 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 29c4105..d5d4e04 100644
--- a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
+++ b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
@@ -148,6 +148,10 @@ rockchip_dp_drm_encoder_atomic_check(struct drm_encoder *encoder,
struct drm_connector_state *conn_state)
{
struct rockchip_crtc_state *s = to_rockchip_crtc_state(crtc_state);
+ struct rockchip_dp_device *dp = to_dp(encoder);
+ int ret;
+
+ s->output_type = DRM_MODE_CONNECTOR_eDP;

/*
* FIXME(Yakir): driver should configure the CRTC output video
@@ -162,8 +166,27 @@ rockchip_dp_drm_encoder_atomic_check(struct drm_encoder *encoder,
* But if I configure CTRC to RGBaaa, and eDP driver still keep
* RGB666 input video mode, then screen would works prefect.
*/
- s->output_mode = ROCKCHIP_OUT_MODE_AAAA;
- s->output_type = DRM_MODE_CONNECTOR_eDP;
+
+ 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)
+ s->output_mode = ROCKCHIP_OUT_MODE_P888;
+ else
+ s->output_mode = ROCKCHIP_OUT_MODE_AAAA;
+ break;
+
+ default:
+ s->output_mode = ROCKCHIP_OUT_MODE_AAAA;
+ break;
+ }

return 0;
}
@@ -377,6 +400,14 @@ 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,
@@ -387,6 +418,7 @@ static const struct rockchip_dp_chip_data 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);
diff --git a/include/drm/bridge/analogix_dp.h b/include/drm/bridge/analogix_dp.h
index 06c0250..82b8135 100644
--- a/include/drm/bridge/analogix_dp.h
+++ b/include/drm/bridge/analogix_dp.h
@@ -20,6 +20,7 @@ enum analogix_dp_devtype {

enum analogix_dp_sub_devtype {
RK3288_DP,
+ RK3399_EDP,
};

struct analogix_dp_plat_data {
--
1.9.1