On Tue, Mar 22, 2022 at 4:52 PM Xin Ji <xji@xxxxxxxxxxxxxxxx> wrote:
>
> On Tue, Mar 22, 2022 at 04:43:20PM +0800, Hsin-Yi Wang wrote:
> > On Tue, Mar 22, 2022 at 4:02 PM Xin Ji <xji@xxxxxxxxxxxxxxxx> wrote:
> > >
> > > As downstream sink was set into standby mode while bridge disabled,
> > > this patch used for setting downstream sink into normal status
> > > while enable bridge.
> > >
> > > Signed-off-by: Xin Ji <xji@xxxxxxxxxxxxxxxx>
> > > Reviewed-by: Pin-Yen Lin <treapking@xxxxxxxxxxxx>
> > >
> > > ---
> > > V1 -> V2: use dev_dbg replace of dev_info
> > > ---
> > > drivers/gpu/drm/bridge/analogix/anx7625.c | 8 ++++++++
> > > 1 file changed, 8 insertions(+)
> > >
> > > diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c b/drivers/gpu/drm/bridge/analogix/anx7625.c
> > > index 9a2a19ad4202..dcf3275a00fe 100644
> > > --- a/drivers/gpu/drm/bridge/analogix/anx7625.c
> > > +++ b/drivers/gpu/drm/bridge/analogix/anx7625.c
> > > @@ -924,12 +924,20 @@ static void anx7625_dp_start(struct anx7625_data *ctx)
> > > {
> > > int ret;
> > > struct device *dev = &ctx->client->dev;
> > > + u8 data;
> > >
> > > if (!ctx->display_timing_valid) {
> > > DRM_DEV_ERROR(dev, "mipi not set display timing yet.\n");
> > > return;
> > > }
> > >
> > > + dev_dbg(dev, "set downstream sink into normal\n");
> > > + /* Downstream sink enter into normal mode */
> > > + data = 1;
> > > + ret = anx7625_aux_trans(ctx, DP_AUX_NATIVE_WRITE, 0x000600, 1, &data);
> > > + if (ret < 0)
> > > + dev_err(dev, "IO error : set sink into normal mode fail\n");
> > > +
> >
> > The driver uses DRM_DEV_* for logs. Can we use this?
> Hi Hsin-Yi, as comment in drm/drm_print.h:
> "NOTE: this is deprecated in favor of drm_dbg". DRM bridge driver not
> use DRM_DEV_* any more. I'll send a patch to replace all of DRM_DEV_*
> later.
drm_dbg is better than dev_dbg though. With the former, you still get the
option to control it with the drm.debug module parameter, unlike the latter
which normally gets compiled out.
Please use drm_dbg*.
ChenYu
> Thanks,
> Xin
> >
> > > /* Disable HDCP */
> > > anx7625_write_and(ctx, ctx->i2c.rx_p1_client, 0xee, 0x9f);
> > >
> > > --
> > > 2.25.1
> > >
