drm/mediatek: dp: Add multiple calibration data formats support

The calibration data formats of eDP and DP are different. We add
"const struct mtk_dp_efuse_fmt *efuse_fmt" to the device data to
define them.

Signed-off-by: Bo-Chen Chen <rex-bc.chen@mediatek.com>
Reviewed-by: CK Hu <ck.hu@mediatek.com>
Tested-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220901044149.16782-7-rex-bc.chen@mediatek.com

diff --git a/drivers/gpu/drm/mediatek/mtk_dp.c b/drivers/gpu/drm/mediatek/mtk_dp.c
index 971bd744cdb25f42b0ecebfc413fea046674bb3e..136e13150281489fa5a4fc4ceb63f00ad47f086a 100644 (file)
--- a/drivers/gpu/drm/mediatek/mtk_dp.c
+++ b/drivers/gpu/drm/mediatek/mtk_dp.c
@@ -113,8 +113,10 @@ struct mtk_dp {
 struct mtk_dp_data {
        int bridge_type;
        unsigned int smc_cmd;
+       const struct mtk_dp_efuse_fmt *efuse_fmt;
 };
-static const struct mtk_dp_efuse_fmt mtk_dp_efuse_data[MTK_DP_CAL_MAX] = {
+
+static const struct mtk_dp_efuse_fmt mt8195_edp_efuse_fmt[MTK_DP_CAL_MAX] = {
        [MTK_DP_CAL_GLB_BIAS_TRIM] = {
                .idx = 3,
                .shift = 27,
@@ -811,7 +813,7 @@ static void mtk_dp_get_calibration_data(struct mtk_dp *mtk_dp)
        }
 
        for (i = 0; i < MTK_DP_CAL_MAX; i++) {
-               fmt = &mtk_dp_efuse_data[i];
+               fmt = &mtk_dp->data->efuse_fmt[i];
                cal_data[i] = (buf[fmt->idx] >> fmt->shift) & fmt->mask;
 
                if (cal_data[i] < fmt->min_val || cal_data[i] > fmt->max_val) {
@@ -827,7 +829,7 @@ static void mtk_dp_get_calibration_data(struct mtk_dp *mtk_dp)
 use_default_val:
        dev_warn(mtk_dp->dev, "Use default calibration data\n");
        for (i = 0; i < MTK_DP_CAL_MAX; i++)
-               cal_data[i] = mtk_dp_efuse_data[i].default_val;
+               cal_data[i] = mtk_dp->data->efuse_fmt[i].default_val;
 }
 
 static void mtk_dp_set_calibration_data(struct mtk_dp *mtk_dp)
@@ -1983,6 +1985,7 @@ 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,
        .smc_cmd = MTK_DP_SIP_ATF_EDP_VIDEO_UNMUTE,
+       .efuse_fmt = mt8195_edp_efuse_fmt,
 };
 
 static const struct of_device_id mtk_dp_of_match[] = {