Re: [PATCH] drm/bridge/tc358775: Fix for dual-link LVDS

From: Vinay Simha B N
Date: Tue Jan 04 2022 - 11:56:17 EST


Robert,
What is R-b tag?


On Tue, Jan 4, 2022 at 7:21 PM Robert Foss <robert.foss@xxxxxxxxxx> wrote:
>
> Jiri: Are you able to test this patch?
>
> Vinay: Could you supply a R-b tag, if you feel that it is warranted?
>
> On Tue, 14 Dec 2021 at 09:13, Vinay Simha B N <simhavcs@xxxxxxxxx> wrote:
> >
> > Robert,
> > I do not have the hardware to test this feature. Sorry for the late response.
> >
> > On Thu, Nov 18, 2021 at 8:20 PM Robert Foss <robert.foss@xxxxxxxxxx> wrote:
> >>
> >> + Zhen & Vinay
> >>
> >> This patch looks good in itself, but I would like to see a tested by
> >> tag. At the very least testing for regression in single-link LVDS but
> >> ideally some third party verification of this patch.
> >>
> >> On Wed, 10 Nov 2021 at 23:01, Jiri Vanek <jirivanek1@xxxxxxxxx> wrote:
> >> >
> >> > Fixed wrong register shift for single/dual link LVDS output.
> >> >
> >> > Signed-off-by: Jiri Vanek <jirivanek1@xxxxxxxxx>
> >> > ---
> >> > drivers/gpu/drm/bridge/tc358775.c | 2 +-
> >> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >> >
> >> > diff --git a/drivers/gpu/drm/bridge/tc358775.c b/drivers/gpu/drm/bridge/tc358775.c
> >> > index 2272adcc5b4a..1d6ec1baeff2 100644
> >> > --- a/drivers/gpu/drm/bridge/tc358775.c
> >> > +++ b/drivers/gpu/drm/bridge/tc358775.c
> >> > @@ -241,7 +241,7 @@ static inline u32 TC358775_LVCFG_PCLKDIV(uint32_t val)
> >> > }
> >> >
> >> > #define TC358775_LVCFG_LVDLINK__MASK 0x00000002
> >> > -#define TC358775_LVCFG_LVDLINK__SHIFT 0
> >> > +#define TC358775_LVCFG_LVDLINK__SHIFT 1
> >> > static inline u32 TC358775_LVCFG_LVDLINK(uint32_t val)
> >> > {
> >> > return ((val) << TC358775_LVCFG_LVDLINK__SHIFT) &
> >> > --
> >> > 2.30.2
> >> >
> >
> >
> >
> > --
> > regards,
> > vinaysimha



--
regards,
vinaysimha