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drm/rockchip: analogix_dp: add rk3399 eDP support

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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>
Acked-by: Mark Yao <mark.yao@rock-chips.com>
Reviewed-by: Tomasz Figa <tomasz.figa@chromium.com>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
This commit is contained in:
Yakir Yang 2016-06-29 17:15:26 +08:00
parent 7bdc072086
commit 82872e42bb
5 changed files with 29 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
Documentation/devicetree/bindings/display/bridge/analogix_dp.txt
View File

@ -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.

3
Documentation/devicetree/bindings/display/rockchip/analogix_dp-rockchip.txt
View File

@ -2,7 +2,8 @@ Rockchip RK3288 specific extensions to the Analogix Display Port
================================
Required properties:
- compatible: "rockchip,rk3288-edp";
- compatible: "rockchip,rk3288-edp",
"rockchip,rk3399-edp";
- reg: physical base address of the controller and length

1
drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
View File

@ -1208,6 +1208,7 @@ static int analogix_dp_dt_parse_pdata(struct analogix_dp_device *dp)
switch (dp->plat_data->dev_type) {
case RK3288_DP:
case RK3399_EDP:
/*
* Like Rk3288 DisplayPort TRM indicate that "Main link
* containing 4 physical lanes of 2.7/1.62 Gbps/lane".

23
drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
View File

@ -36,6 +36,8 @@
#define RK3288_GRF_SOC_CON6 0x25c
#define RK3288_EDP_LCDC_SEL BIT(5)
#define RK3399_GRF_SOC_CON20 0x6250
#define RK3399_EDP_LCDC_SEL BIT(5)
#define HIWORD_UPDATE(val, mask) (val | (mask) << 16)
@ -159,6 +161,8 @@ 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;
/*
* FIXME(Yakir): driver should configure the CRTC output video
@ -173,8 +177,19 @@ 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;
if (dp->data->chip_type == RK3399_EDP) {
/*
* For RK3399, VOP Lit must code the out mode to RGB888,
* VOP Big must code the out mode to RGB10.
*/
ret = drm_of_encoder_active_endpoint_id(dp->dev->of_node,
encoder);
if (ret > 0)
s->output_mode = ROCKCHIP_OUT_MODE_P888;
}
return 0;
}
@ -378,6 +393,13 @@ static const struct dev_pm_ops rockchip_dp_pm_ops = {
#endif
};
static const struct rockchip_dp_chip_data rk3399_edp = {
.lcdsel_grf_reg = RK3399_GRF_SOC_CON20,
.lcdsel_big = HIWORD_UPDATE(0, RK3399_EDP_LCDC_SEL),
.lcdsel_lit = HIWORD_UPDATE(RK3399_EDP_LCDC_SEL, RK3399_EDP_LCDC_SEL),
.chip_type = RK3399_EDP,
};
static const struct rockchip_dp_chip_data rk3288_dp = {
.lcdsel_grf_reg = RK3288_GRF_SOC_CON6,
.lcdsel_big = HIWORD_UPDATE(0, RK3288_EDP_LCDC_SEL),
@ -387,6 +409,7 @@ 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);

3
include/drm/bridge/analogix_dp.h
View File

@ -16,11 +16,12 @@
enum analogix_dp_devtype {
EXYNOS_DP,
RK3288_DP,
RK3399_EDP,
};
static inline bool is_rockchip(enum analogix_dp_devtype type)
{
return type == RK3288_DP;
return type == RK3288_DP || type == RK3399_EDP;
}
struct analogix_dp_plat_data {