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Message-ID: <df347ef3-f4b5-4402-bc37-dec03e6b1ad6@bootlin.com>
Date: Fri, 19 Sep 2025 14:44:19 +0200
From: Louis Chauvet <louis.chauvet@...tlin.com>
To: Nícolas F. R. A. Prado <nfraprado@...labora.com>,
Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>,
David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
Chun-Kuang Hu <chunkuang.hu@...nel.org>,
Philipp Zabel <p.zabel@...gutronix.de>,
Matthias Brugger <matthias.bgg@...il.com>,
AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
Haneen Mohammed <hamohammed.sa@...il.com>,
Melissa Wen <melissa.srw@...il.com>
Cc: Alex Hung <alex.hung@....com>, wayland-devel@...ts.freedesktop.org,
harry.wentland@....com, leo.liu@....com, ville.syrjala@...ux.intel.com,
pekka.paalanen@...labora.com, contact@...rsion.fr, mwen@...lia.com,
jadahl@...hat.com, sebastian.wick@...hat.com, shashank.sharma@....com,
agoins@...dia.com, joshua@...ggi.es, mdaenzer@...hat.com, aleixpol@....org,
xaver.hugl@...il.com, victoria@...tem76.com, uma.shankar@...el.com,
quic_naseer@...cinc.com, quic_cbraga@...cinc.com, quic_abhinavk@...cinc.com,
marcan@...can.st, Liviu.Dudau@....com, sashamcintosh@...gle.com,
chaitanya.kumar.borah@...el.com, mcanal@...lia.com, kernel@...labora.com,
daniels@...labora.com, leandro.ribeiro@...labora.com,
dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
linux-mediatek@...ts.infradead.org, linux-arm-kernel@...ts.infradead.org,
Simona Vetter <simona.vetter@...ll.ch>
Subject: Re: [PATCH RFC v2 10/20] drm/colorop: Introduce colorop helpers for
crtc
Le 18/09/2025 à 02:43, Nícolas F. R. A. Prado a écrit :
> Introduce colorop helper counterparts for post-blend color pipelines
> that take a CRTC instead of a plane.
>
> Signed-off-by: Nícolas F. R. A. Prado <nfraprado@...labora.com>
Reviewed-by: Louis Chauvet <louis.chauvet@...tlin.com>
> ---
> drivers/gpu/drm/drm_colorop.c | 73 +++++++++++++++++++++++++++++++++++++++++++
> include/drm/drm_colorop.h | 8 +++++
> 2 files changed, 81 insertions(+)
>
> diff --git a/drivers/gpu/drm/drm_colorop.c b/drivers/gpu/drm/drm_colorop.c
> index db137169effa6cd9e6d5805f65bdfd1cc6882075..b0c3216f4dac22f3408cbd537a20f38d03abc0a7 100644
> --- a/drivers/gpu/drm/drm_colorop.c
> +++ b/drivers/gpu/drm/drm_colorop.c
> @@ -168,6 +168,20 @@ static int drm_plane_colorop_init(struct drm_device *dev,
> return ret;
> }
>
> +static int drm_crtc_colorop_init(struct drm_device *dev,
> + struct drm_colorop *colorop,
> + struct drm_crtc *crtc,
> + enum drm_colorop_type type, uint32_t flags)
> +{
> + int ret;
> +
> + ret = drm_common_colorop_init(dev, colorop, type, flags);
> +
> + colorop->crtc = crtc;
> +
> + return ret;
> +}
> +
> /**
> * drm_colorop_cleanup - Cleanup a drm_colorop object in color_pipeline
> *
> @@ -293,6 +307,23 @@ int drm_plane_colorop_curve_1d_init(struct drm_device *dev, struct drm_colorop *
> }
> EXPORT_SYMBOL(drm_plane_colorop_curve_1d_init);
>
> +int drm_crtc_colorop_curve_1d_init(struct drm_device *dev, struct drm_colorop *colorop,
> + struct drm_crtc *crtc, u64 supported_tfs, uint32_t flags)
> +{
> + int ret;
> +
> + ret = drm_colorop_has_supported_tf(dev, &crtc->base, crtc->name, supported_tfs);
> + if (ret)
> + return ret;
> +
> + ret = drm_crtc_colorop_init(dev, colorop, crtc, DRM_COLOROP_1D_CURVE, flags);
> + if (ret)
> + return ret;
> +
> + return drm_common_colorop_curve_1d_init(dev, colorop, supported_tfs, flags);
> +}
> +EXPORT_SYMBOL(drm_crtc_colorop_curve_1d_init);
> +
> static int drm_colorop_create_data_prop(struct drm_device *dev, struct drm_colorop *colorop)
> {
> struct drm_property *prop;
> @@ -381,6 +412,35 @@ drm_plane_colorop_curve_1d_lut_init(struct drm_device *dev, struct drm_colorop *
> }
> EXPORT_SYMBOL(drm_plane_colorop_curve_1d_lut_init);
>
> +/**
> + * drm_crtc_colorop_curve_1d_lut_init - Initialize a DRM_COLOROP_1D_LUT
> + *
> + * @dev: DRM device
> + * @colorop: The drm_colorop object to initialize
> + * @crtc: The associated drm_crtc
> + * @lut_size: LUT size supported by driver
> + * @lut1d_interpolation: 1D LUT interpolation type
> + * @flags: bitmask of misc, see DRM_COLOROP_FLAG_* defines.
> + * @return zero on success, -E value on failure
> + */
> +int
> +drm_crtc_colorop_curve_1d_lut_init(struct drm_device *dev,
> + struct drm_colorop *colorop,
> + struct drm_crtc *crtc, uint32_t lut_size,
> + enum drm_colorop_lut1d_interpolation_type lut1d_interpolation,
> + uint32_t flags)
> +{
> + int ret;
> +
> + ret = drm_crtc_colorop_init(dev, colorop, crtc, DRM_COLOROP_1D_LUT, flags);
> + if (ret)
> + return ret;
> +
> + return drm_common_colorop_curve_1d_lut_init(dev, colorop, lut_size,
> + lut1d_interpolation, flags);
> +}
> +EXPORT_SYMBOL(drm_crtc_colorop_curve_1d_lut_init);
> +
> static int drm_common_colorop_ctm_3x4_init(struct drm_device *dev, struct drm_colorop *colorop,
> uint32_t flags)
> {
> @@ -408,6 +468,19 @@ int drm_plane_colorop_ctm_3x4_init(struct drm_device *dev, struct drm_colorop *c
> }
> EXPORT_SYMBOL(drm_plane_colorop_ctm_3x4_init);
>
> +int drm_crtc_colorop_ctm_3x4_init(struct drm_device *dev, struct drm_colorop *colorop,
> + struct drm_crtc *crtc, uint32_t flags)
> +{
> + int ret;
> +
> + ret = drm_crtc_colorop_init(dev, colorop, crtc, DRM_COLOROP_CTM_3X4, flags);
> + if (ret)
> + return ret;
> +
> + return drm_common_colorop_ctm_3x4_init(dev, colorop, flags);
> +}
> +EXPORT_SYMBOL(drm_crtc_colorop_ctm_3x4_init);
> +
> /**
> * drm_plane_colorop_mult_init - Initialize a DRM_COLOROP_MULTIPLIER
> *
> diff --git a/include/drm/drm_colorop.h b/include/drm/drm_colorop.h
> index 3e223f3b3597978c5d702ce7622ae30b8aa9dddb..e7d1e5e95a901b1bd91fd8580e2fcb367c0253ce 100644
> --- a/include/drm/drm_colorop.h
> +++ b/include/drm/drm_colorop.h
> @@ -377,14 +377,22 @@ static inline struct drm_colorop *drm_colorop_find(struct drm_device *dev,
>
> void drm_colorop_pipeline_destroy(struct drm_device *dev);
>
> +int drm_crtc_colorop_curve_1d_lut_init(struct drm_device *dev, struct drm_colorop *colorop,
> + struct drm_crtc *crtc, uint32_t lut_size,
> + enum drm_colorop_lut1d_interpolation_type lut1d_interpolation,
> + uint32_t flags);
> int drm_plane_colorop_curve_1d_init(struct drm_device *dev, struct drm_colorop *colorop,
> struct drm_plane *plane, u64 supported_tfs, uint32_t flags);
> +int drm_crtc_colorop_curve_1d_init(struct drm_device *dev, struct drm_colorop *colorop,
> + struct drm_crtc *crtc, u64 supported_tfs, uint32_t flags);
> int drm_plane_colorop_curve_1d_lut_init(struct drm_device *dev, struct drm_colorop *colorop,
> struct drm_plane *plane, uint32_t lut_size,
> enum drm_colorop_lut1d_interpolation_type lut1d_interpolation,
> uint32_t flags);
> int drm_plane_colorop_ctm_3x4_init(struct drm_device *dev, struct drm_colorop *colorop,
> struct drm_plane *plane, uint32_t flags);
> +int drm_crtc_colorop_ctm_3x4_init(struct drm_device *dev, struct drm_colorop *colorop,
> + struct drm_crtc *crtc, uint32_t flags);
> int drm_plane_colorop_mult_init(struct drm_device *dev, struct drm_colorop *colorop,
> struct drm_plane *plane, uint32_t flags);
> int drm_plane_colorop_3dlut_init(struct drm_device *dev, struct drm_colorop *colorop,
>
--
--
Louis Chauvet, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
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