Hi Philipp,
Am Dienstag, 10. März 2015, 10:16:53 schrieb Philipp Zabel:
[cut the obvious stuff I need to fix]
> Am Dienstag, den 10.03.2015, 00:22 +0100 schrieb Heiko Stuebner:
> > @@ -879,6 +883,12 @@ static int dw_hdmi_phy_init(struct dw_hdmi *hdmi)
> >
> > int i, ret;
> > bool cscon = false;
> >
> > + if (hdmi->nsupplies > 0) {
> > + ret = regulator_bulk_enable(hdmi->nsupplies, hdmi->supplies);
> > + if (ret)
> > + return ret;
> > + }
> > +
>
> Are these really supplies to the PHY or is this just a convenient place
> to enable them? Looking at the i.MX6 docs, I suppose yes.
According to the TRM, the supplies are "DC supply voltage for Analog part of
HDMI", so I'd think phy supplies.
>
> > /*check csc whether needed activated in HDMI mode */
> > cscon = (is_color_space_conversion(hdmi) &&
> >
> > !hdmi->hdmi_data.video_mode.mdvi);
> >
> > @@ -1105,6 +1115,9 @@ static void dw_hdmi_phy_disable(struct dw_hdmi
> > *hdmi)
> >
> > dw_hdmi_phy_enable_tmds(hdmi, 0);
> > dw_hdmi_phy_enable_power(hdmi, 0);
> >
> > + if (hdmi->nsupplies > 0)
> > + regulator_bulk_disable(hdmi->nsupplies, hdmi->supplies);
> > +
> >
> > hdmi->phy_enabled = false;
> >
> > }
> >
> > @@ -1549,7 +1562,8 @@ static int dw_hdmi_register(struct drm_device *drm,
> > struct dw_hdmi *hdmi)>
> > int dw_hdmi_bind(struct device *dev, struct device *master,
> >
> > void *data, struct drm_encoder *encoder,
> > struct resource *iores, int irq,
> >
> > - const struct dw_hdmi_plat_data *plat_data)
> > + const struct dw_hdmi_plat_data *plat_data,
> > + struct regulator_bulk_data *supplies, int nsupplies)
>
> I'm not sure I like this function sprouting so many parameters. Is there
> a good reason not to add this to struct dw_hdmi_plat_data?
Nope, moving this to platdata sound sensible and I'll give this a try :-)
Heiko
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