leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

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

Browse Source 
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
This commit is contained in:
Bo-Chen Chen 2022-09-01 12:41:45 +08:00 committed by Dmitry Osipenko
parent 42dbe4a0a9
commit 16075ed148
1 changed files with 6 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
drivers/gpu/drm/mediatek/mtk_dp.c
View File

@ -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[] = {