[PATCH] drm/rockchip: dw-mipi-dsi-rockchip: Fix ISP1 PHY initialization
Ondřej Jirman <[email protected]>
| Newsgroups | org.infradead.lists.linux-rockchip,org.infradead.lists.linux-arm-kernel,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <[email protected]> |
From: Ondrej Jirman <[email protected]> After suspend/resume cycle, ISP1 would stop receiving data. Re-initializing DPHY during PHY power on fixes the issue. Signed-off-by: Ondrej Jirman <[email protected]> --- drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c b/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c index 3547d91b25d3..10d84bdda8cd 100644 --- a/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c +++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c @@ -1255,6 +1255,14 @@ static int dw_mipi_dsi_dphy_power_on(struct phy *phy) goto err_phy_cfg_clk; } + if (dsi->cdata->dphy_rx_init) { + ret = dsi->cdata->dphy_rx_init(phy); + if (ret < 0) { + DRM_DEV_ERROR(dsi->dev, "hardware-specific phy init failed: %d\n", ret); + goto err_pwr_on; + } + } + /* do soc-variant specific init */ if (dsi->cdata->dphy_rx_power_on) { ret = dsi->cdata->dphy_rx_power_on(phy); -- 2.54.0 _______________________________________________ Linux-rockchip mailing list [email protected] http://lists.infradead.org/mailman/listinfo/linux-rockchip