[PATCH v17 04/10] drm/mediatek: dp: Add multiple bridge types support

Bo-Chen Chen
2022-09-01T04:42:18Z

The bridge types of eDP and DP are different. We add device data to
this driver and add bridge_type to the device data to define them.

Signed-off-by: Bo-Chen Chen <rex-bc.chen@mediatek.com>
---
drivers/gpu/drm/mediatek/mtk_dp.c | 16 ++++++++++++++--
1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/mediatek/mtk_dp.c b/drivers/gpu/drm/mediatek/mtk_dp.c
index e2ec9b02b1aa..2696c1ac1a47 100644
--- a/drivers/gpu/drm/mediatek/mtk_dp.c
+++ b/drivers/gpu/drm/mediatek/mtk_dp.c
@@ -101,6 +101,7 @@ struct mtk_dp {
struct drm_device *drm_dev;
struct drm_dp_aux aux;

+ const struct mtk_dp_data *data;
struct mtk_dp_info info;
struct mtk_dp_train_info train_info;

@@ -109,6 +110,9 @@ struct mtk_dp {
struct regmap *regs;
};

+struct mtk_dp_data {
+ int bridge_type;
+};
static const struct mtk_dp_efuse_fmt mtk_dp_efuse_data[MTK_DP_CAL_MAX] = {
[MTK_DP_CAL_GLB_BIAS_TRIM] = {
.idx = 3,
@@ -1871,6 +1875,7 @@ static int mtk_dp_probe(struct platform_device *pdev)
return -ENOMEM;

mtk_dp->dev = dev;
+ mtk_dp->data = (struct mtk_dp_data *)of_device_get_match_data(dev);

irq_num = platform_get_irq(pdev, 0);
if (irq_num < 0)
@@ -1925,7 +1930,7 @@ static int mtk_dp_probe(struct platform_device *pdev)

mtk_dp->bridge.ops =
DRM_BRIDGE_OP_DETECT | DRM_BRIDGE_OP_EDID | DRM_BRIDGE_OP_HPD;
- mtk_dp->bridge.type = DRM_MODE_CONNECTOR_eDP;
+ mtk_dp->bridge.type = mtk_dp->data->bridge_type;

drm_bridge_add(&mtk_dp->bridge);

@@ -1974,8 +1979,15 @@ static int mtk_dp_resume(struct device *dev)

static SIMPLE_DEV_PM_OPS(mtk_dp_pm_ops, mtk_dp_suspend, mtk_dp_resume);

+static const struct mtk_dp_data mt8195_edp_data = {
+ .bridge_type = DRM_MODE_CONNECTOR_eDP,
+};
+
static const struct of_device_id mtk_dp_of_match[] = {
- { .compatible = "mediatek,mt8195-edp-tx" },
+ {
+ .compatible = "mediatek,mt8195-edp-tx",
+ .data = &mt8195_edp_data,
+ },
{},
};
MODULE_DEVICE_TABLE(of, mtk_dp_of_match);
--
2.18.0