[PATCH 1/4] drm/bridge: dw-hdmi: Add function to get plat_data
Shengjiu Wang
shengjiu.wang at gmail.com
Wed Jul 23 07:36:17 UTC 2025
On Tue, Jul 22, 2025 at 3:38 PM Liu Ying <victor.liu at nxp.com> wrote:
>
> Hi Shengjiu,
>
> On 07/18/2025, Shengjiu Wang wrote:
> > The enable_audio() and disable_audio() callback pointers are in
> > plat_data structure, and the audio device driver needs to get plat_data
> > for assign these pointers. So add a function to export plat_data
>
> {enable,disable}_audio pointers are directly assigned to plat_data in patch 2,
> instead of using dw_hdmi_to_plat_data(). dw_hdmi_to_plat_data() is only
> used in patch 2 to get hdmi_pai pointer through pdata->priv_audio.
>
> const struct dw_hdmi_plat_data *pdata = dw_hdmi_to_plat_data(dw_hdmi);
> struct imx8mp_hdmi_pai *hdmi_pai = (struct imx8mp_hdmi_pai *)pdata->priv_audio;
>
will update this commit message.
> > structure.
> >
> > Signed-off-by: Shengjiu Wang <shengjiu.wang at nxp.com>
> > ---
> > drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 6 ++++++
> > include/drm/bridge/dw_hdmi.h | 1 +
> > 2 files changed, 7 insertions(+)
> >
> > diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
> > index 76c6570e2a85..3dfa42178f6c 100644
> > --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
> > +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
> > @@ -198,6 +198,12 @@ struct dw_hdmi {
> > enum drm_connector_status last_connector_result;
> > };
> >
> > +const struct dw_hdmi_plat_data *dw_hdmi_to_plat_data(struct dw_hdmi *hdmi)
> > +{
> > + return hdmi->plat_data;
> > +}
> > +EXPORT_SYMBOL_GPL(dw_hdmi_to_plat_data);
> > +
> > #define HDMI_IH_PHY_STAT0_RX_SENSE \
> > (HDMI_IH_PHY_STAT0_RX_SENSE0 | HDMI_IH_PHY_STAT0_RX_SENSE1 | \
> > HDMI_IH_PHY_STAT0_RX_SENSE2 | HDMI_IH_PHY_STAT0_RX_SENSE3)
> > diff --git a/include/drm/bridge/dw_hdmi.h b/include/drm/bridge/dw_hdmi.h
> > index 6a46baa0737c..a56a3519a22a 100644
> > --- a/include/drm/bridge/dw_hdmi.h
> > +++ b/include/drm/bridge/dw_hdmi.h
> > @@ -208,4 +208,5 @@ void dw_hdmi_phy_setup_hpd(struct dw_hdmi *hdmi, void *data);
> >
> > bool dw_hdmi_bus_fmt_is_420(struct dw_hdmi *hdmi);
> >
> > +const struct dw_hdmi_plat_data *dw_hdmi_to_plat_data(struct dw_hdmi *hdmi);
>
> Nit: Add a blank line as it was here.
will add blank line
best regards
Shengjiu Wang
>
> > #endif /* __IMX_HDMI_H__ */
>
> --
> Regards,
> Liu Ying
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