diff options
Diffstat (limited to 'drivers/video/tegra20/tegra-dsi.c')
| -rw-r--r-- | drivers/video/tegra20/tegra-dsi.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/video/tegra20/tegra-dsi.c b/drivers/video/tegra20/tegra-dsi.c index 25cd4db0061..9f39ac7589b 100644 --- a/drivers/video/tegra20/tegra-dsi.c +++ b/drivers/video/tegra20/tegra-dsi.c @@ -53,6 +53,7 @@ struct tegra_dsi_priv { int video_fifo_depth; int host_fifo_depth; + u32 calibration_pads; u32 version; /* for ganged-mode support */ @@ -549,7 +550,7 @@ static void tegra_dsi_mipi_calibrate(struct udevice *dev) DSI_PAD_PREEMP_PD(0x03) | DSI_PAD_PREEMP_PU(0x3); writel(value, &pad->pad_ctrl_3); - ret = misc_write(priv->mipi, 0, NULL, 0); + ret = misc_write(priv->mipi, priv->calibration_pads, NULL, 0); if (ret) log_debug("%s: MIPI calibration failed %d\n", __func__, ret); @@ -1078,6 +1079,14 @@ static int tegra_dsi_bridge_probe(struct udevice *dev) log_debug("%s: cannot get MIPI: error %d\n", __func__, ret); return ret; } + + ret = dev_read_u32_index(dev, "nvidia,mipi-calibrate", 1, + &priv->calibration_pads); + if (ret) { + log_debug("%s: cannot get calibration pads: error %d\n", + __func__, ret); + return ret; + } } panel_get_display_timing(priv->panel, &priv->timing); |