> -Original Message-
> From: Pekka Paalanen
> Sent: Tuesday, February 13, 2024 2:45 PM
> To: Shankar, Uma
> Cc: intel-...@lists.freedesktop.org; dri-devel@lists.freedesktop.org;
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> s...@poorly.run; Borah, Chaitanya Kumar
> Subject: Re: [PATCH 05/28] drm: Add support for 3x3 CTM
>
> On Tue, 13 Feb 2024 12:18:12 +0530
> Uma Shankar wrote:
>
> > From: Chaitanya Kumar Borah
> >
> > Add support for 3x3 Color Transformation Matrices in Color Pipeline.
> >
> > Signed-off-by: Chaitanya Kumar Borah
> > Signed-off-by: Uma Shankar
> > ---
> > drivers/gpu/drm/drm_atomic_uapi.c | 3 +++
> > drivers/gpu/drm/drm_colorop.c | 2 +-
> > include/uapi/drm/drm_mode.h | 1 +
> > 3 files changed, 5 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/drm_atomic_uapi.c
> > b/drivers/gpu/drm/drm_atomic_uapi.c
> > index e7bf1fb054af..c54b0d6c133e 100644
> > --- a/drivers/gpu/drm/drm_atomic_uapi.c
> > +++ b/drivers/gpu/drm/drm_atomic_uapi.c
> > @@ -716,6 +716,9 @@ static int drm_atomic_color_set_data_property(struct
> drm_colorop *colorop,
> > case DRM_COLOROP_CTM_3X4:
> > size = sizeof(struct drm_color_ctm_3x4);
> > break;
> > + case DRM_COLOROP_CTM_3X3:
> > + size = sizeof(struct drm_color_ctm);
> > + break;
> > default:
> > /* should never get here */
> > return -EINVAL;
> > diff --git a/drivers/gpu/drm/drm_colorop.c
> > b/drivers/gpu/drm/drm_colorop.c index 462ffec42cdf..6bae6dc8e54b
> > 100644
> > --- a/drivers/gpu/drm/drm_colorop.c
> > +++ b/drivers/gpu/drm/drm_colorop.c
> > @@ -107,7 +107,7 @@ int drm_colorop_init(struct drm_device *dev, struct
> drm_colorop *colorop,
> >0);
> >
> > /* data */
> > - if (type == DRM_COLOROP_CTM_3X4) {
> > + if (type == DRM_COLOROP_CTM_3X4 || type ==
> DRM_COLOROP_CTM_3X3) {
> > prop = drm_property_create(dev, DRM_MODE_PROP_ATOMIC |
> DRM_MODE_PROP_BLOB,
> >"DATA", 0);
> > if (!prop)
> > diff --git a/include/uapi/drm/drm_mode.h b/include/uapi/drm/drm_mode.h
> > index f16318f1785f..68696253867e 100644
> > --- a/include/uapi/drm/drm_mode.h
> > +++ b/include/uapi/drm/drm_mode.h
> > @@ -868,6 +868,7 @@ struct drm_color_lut {
> >
> > enum drm_colorop_type {
> > DRM_COLOROP_1D_CURVE,
> > + DRM_COLOROP_CTM_3X3,
> > DRM_COLOROP_CTM_3X4,
> > };
> >
>
> Hi,
>
> where are the docs for DRM_COLOROP_CTM_3X3?
Hi Pekka,
Sorry, we missed this in the current version. Will update the same in next
revision.
Regards,
Uma Shankar
>
> Thanks,
> pq
