[PATCH v5 14/20] drm/bridge: analogix_dp: Add support for RK3588

From: Damon Ding
Date: Wed Jan 08 2025 - 22:31:20 EST


Expand enum analogix_dp_devtype with RK3588_EDP, and add max_link_rate
and max_lane_count configs for it.

Signed-off-by: Damon Ding <damon.ding@xxxxxxxxxxxxxx>

---

Changes in v5:
- Add the RK3588_EDP related modification in analogix_dp.h
- Move this commit above related commit on the Rockchip side
---
drivers/gpu/drm/bridge/analogix/analogix_dp_core.c | 4 ++++
include/drm/bridge/analogix_dp.h | 3 ++-
2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
index 78e78fb474d3..9cc07c028043 100644
--- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
+++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
@@ -1513,6 +1513,10 @@ static int analogix_dp_dt_parse_pdata(struct analogix_dp_device *dp)
video_info->max_link_rate = 0x0A;
video_info->max_lane_count = 0x04;
break;
+ case RK3588_EDP:
+ video_info->max_link_rate = 0x14;
+ video_info->max_lane_count = 0x04;
+ break;
case EXYNOS_DP:
/*
* NOTE: those property parseing code is used for
diff --git a/include/drm/bridge/analogix_dp.h b/include/drm/bridge/analogix_dp.h
index 1b119b547988..10ea6e7759b2 100644
--- a/include/drm/bridge/analogix_dp.h
+++ b/include/drm/bridge/analogix_dp.h
@@ -16,11 +16,12 @@ enum analogix_dp_devtype {
EXYNOS_DP,
RK3288_DP,
RK3399_EDP,
+ RK3588_EDP,
};

static inline bool is_rockchip(enum analogix_dp_devtype type)
{
- return type == RK3288_DP || type == RK3399_EDP;
+ return type == RK3288_DP || type == RK3399_EDP || type == RK3588_EDP;
}

struct analogix_dp_plat_data {
--
2.34.1