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SubjectRe: [PATCH 1/4] drm/bridge: nwl-dsi: Set PHY mode in nwl_dsi_enable()
Hi,
On Tue, Dec 08, 2020 at 10:04:57AM +0100, Guido Günther wrote:
> Hi,
> On Fri, Dec 04, 2020 at 03:33:41PM +0800, Liu Ying wrote:
> > The Northwest Logic MIPI DSI host controller embedded in i.MX8qxp
> > works with a Mixel MIPI DPHY + LVDS PHY combo to support either
> > a MIPI DSI display or a LVDS display. So, this patch calls
> > phy_set_mode() from nwl_dsi_enable() to set PHY mode to MIPI DPHY
> > explicitly.

Should i pull this patch in via drm-misc-next or is the whole series
supposed to go via the phy tree?
Cheers,
-- Guido


> >
> > Cc: Guido Günther <agx@sigxcpu.org>
> > Cc: Robert Chiras <robert.chiras@nxp.com>
> > Cc: Martin Kepplinger <martin.kepplinger@puri.sm>
> > Cc: Andrzej Hajda <a.hajda@samsung.com>
> > Cc: Neil Armstrong <narmstrong@baylibre.com>
> > Cc: Laurent Pinchart <Laurent.pinchart@ideasonboard.com>
> > Cc: Jonas Karlman <jonas@kwiboo.se>
> > Cc: Jernej Skrabec <jernej.skrabec@siol.net>
> > Cc: David Airlie <airlied@linux.ie>
> > Cc: Daniel Vetter <daniel@ffwll.ch>
> > Cc: NXP Linux Team <linux-imx@nxp.com>
> > Signed-off-by: Liu Ying <victor.liu@nxp.com>
> > ---
> > drivers/gpu/drm/bridge/nwl-dsi.c | 6 ++++++
> > 1 file changed, 6 insertions(+)
> >
> > diff --git a/drivers/gpu/drm/bridge/nwl-dsi.c b/drivers/gpu/drm/bridge/nwl-dsi.c
> > index 66b6740..be6bfc5 100644
> > --- a/drivers/gpu/drm/bridge/nwl-dsi.c
> > +++ b/drivers/gpu/drm/bridge/nwl-dsi.c
> > @@ -678,6 +678,12 @@ static int nwl_dsi_enable(struct nwl_dsi *dsi)
> > return ret;
> > }
> >
> > + ret = phy_set_mode(dsi->phy, PHY_MODE_MIPI_DPHY);
> > + if (ret < 0) {
> > + DRM_DEV_ERROR(dev, "Failed to set DSI phy mode: %d\n", ret);
> > + goto uninit_phy;
> > + }
> > +
> > ret = phy_configure(dsi->phy, phy_cfg);
> > if (ret < 0) {
> > DRM_DEV_ERROR(dev, "Failed to configure DSI phy: %d\n", ret);
>
> Reviewed-by: Guido Günther <agx@sigxcpu.org>
> -- Guido
>
> > --
> > 2.7.4
> >
>
>

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