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

Robert Foss robert.foss at linaro.org
Thu Nov 18 14:50:15 UTC 2021


+ 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 at gmail.com> wrote:
>
> Fixed wrong register shift for single/dual link LVDS output.
>
> Signed-off-by: Jiri Vanek <jirivanek1 at gmail.com>
> ---
>  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
>


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