Re: [RFC v1 5/6] drm: Define helper to set legacy gamma table size

["Lankhorst, Maarten" <maarten.lankhorst@intel.com>]

Shankar, Uma schreef op di 26-09-2017 om 15:41 [+0530]:
> > -----Original Message-----
> > From: dri-devel [mailto:dri-devel-bounces@lists.freedesktop.org] On
> > Behalf Of
> > Lankhorst, Maarten
> > Sent: Tuesday, September 26, 2017 3:36 PM
> > To: Shankar, Uma <uma.shankar@intel.com>; intel-gfx@lists.freedeskt
> > op.org;
> > dri-devel@lists.freedesktop.org
> > Cc: Syrjala, Ville <ville.syrjala@intel.com>
> > Subject: Re: [RFC v1 5/6] drm: Define helper to set legacy gamma
> > table size
> > 
> > Hey,
> > 
> > Uma Shankar schreef op di 26-09-2017 om 13:32 [+0530]:
> > > Define a helper function to set legacy gamma table size for
> > > planes.
> > > 
> > > Signed-off-by: Uma Shankar <uma.shankar@intel.com>
> > > ---
> > >  drivers/gpu/drm/drm_color_mgmt.c |   41
> > > ++++++++++++++++++++++++++++++++++++++
> > >  include/drm/drm_color_mgmt.h     |    3 +++
> > >  include/drm/drm_plane.h          |    4 ++++
> > >  3 files changed, 48 insertions(+)
> > 
> > Is this needed? I'm not aware of legacy tables for planes.
> 
> I was not getting very concrete info on this. So kept it as per pipe
> gamma implementation.
> I will try to get some more info and drop this in case it's not
> required.
> 

It's not, legacy gamma would only be used in drm_mode_gamma_get_ioctl,
which if you look at it only works for a crtc. :)

~Maarten
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