[PATCH] drm/fourcc: fix AMD modifiers PACKERS field doc

[Alex Deucher]

Applied and updated based on the corrected layout.

Thanks!

Alex


On Sun, Nov 15, 2020 at 10:48 AM Bas Nieuwenhuizen
<bas at basnieuwenhuizen.nl> wrote:
>
> Reviewed-by: Bas Nieuwenhuizen <bas at basnieuwenhuizen.nl>
>
> On Sun, Nov 15, 2020 at 10:39 AM Simon Ser <contact at emersion.fr> wrote:
> >
> > This field doesn't alias with BANK_XOR_BITS: PACKERS is bits 26:28 while
> > BANK_XOR_BITS is bits 23:25.
> >
> > Fixes: 8ba16d599374 ("drm/fourcc: Add AMD DRM modifiers.")
> > Signed-off-by: Simon Ser <contact at emersion.fr>
> > Cc: Bas Nieuwenhuizen <bas at basnieuwenhuizen.nl>
> > Cc: Alex Deucher <alexdeucher at gmail.com>
> > Cc: Daniel Vetter <daniel at ffwll.ch>
> > ---
> >  include/uapi/drm/drm_fourcc.h | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h
> > index ca48ed0e6bc1..29c7a8694479 100644
> > --- a/include/uapi/drm/drm_fourcc.h
> > +++ b/include/uapi/drm/drm_fourcc.h
> > @@ -1196,7 +1196,7 @@ drm_fourcc_canonicalize_nvidia_format_mod(__u64 modifier)
> >  #define AMD_FMT_MOD_PIPE_XOR_BITS_MASK 0x7
> >  #define AMD_FMT_MOD_BANK_XOR_BITS_SHIFT 23
> >  #define AMD_FMT_MOD_BANK_XOR_BITS_MASK 0x7
> > -#define AMD_FMT_MOD_PACKERS_SHIFT 26 /* aliases with BANK_XOR_BITS */
> > +#define AMD_FMT_MOD_PACKERS_SHIFT 26
> >  #define AMD_FMT_MOD_PACKERS_MASK 0x7
> >  #define AMD_FMT_MOD_RB_SHIFT 29
> >  #define AMD_FMT_MOD_RB_MASK 0x7
> > --
> > 2.29.2
> >
> >