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Fri, 19 Sep 2025 14:41:26 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1758285710; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding:content-language:in-reply-to:references:autocrypt; bh=1/1g5tMQmVPFRJCQ3+SeEupEv5s5OFyxdK2wh+6wges=; b=M0A85OqPSdomJxkBrrfYF+huOuhvd8wTww1PfxyWE1Wj5/4/GYpOUbHlS1oMQpn/TCi6V3 nuLqXSYdqksIeTG4YAW/a04CDg2fhxliLkXtCPK3TM5KLVRhsUFV5iDvy4ZIFL4TQKTWoN cQ2H8lZpYwWOWmoYszGGazJISCbjBGWTMxrYu1rl4FyahysPQ9zXpfumRLaD3kQHlnfXHp 22BOLNjQvOc7QZzLDKt588EEOPPdtZRUKDSjdZup5EzelbxUTchQGtTCv8BNKB6NsNgNOc CfoN5ko8hef5sR68XuFEnsKfECMFc57/3IihvJGwL4Q37JAnL8MlBxzgRCNHHQ== Message-ID: <50ceaf05-f2ea-4c13-b294-5b3ca76d645b@bootlin.com> Date: Fri, 19 Sep 2025 14:41:25 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH RFC v2 07/20] drm/atomic: Pass post_blend_color_pipeline client cap to atomic check To: =?UTF-8?B?TsOtY29sYXMgRi4gUi4gQS4gUHJhZG8=?= , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Chun-Kuang Hu , Philipp Zabel , Matthias Brugger , AngeloGioacchino Del Regno , Haneen Mohammed , Melissa Wen Cc: Alex Hung , wayland-devel@lists.freedesktop.org, harry.wentland@amd.com, leo.liu@amd.com, ville.syrjala@linux.intel.com, pekka.paalanen@collabora.com, contact@emersion.fr, mwen@igalia.com, jadahl@redhat.com, sebastian.wick@redhat.com, shashank.sharma@amd.com, agoins@nvidia.com, joshua@froggi.es, mdaenzer@redhat.com, aleixpol@kde.org, xaver.hugl@gmail.com, victoria@system76.com, uma.shankar@intel.com, quic_naseer@quicinc.com, quic_cbraga@quicinc.com, quic_abhinavk@quicinc.com, marcan@marcan.st, Liviu.Dudau@arm.com, sashamcintosh@google.com, chaitanya.kumar.borah@intel.com, mcanal@igalia.com, kernel@collabora.com, daniels@collabora.com, leandro.ribeiro@collabora.com, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, Simona Vetter References: <20250917-mtk-post-blend-color-pipeline-v2-0-ac4471b44758@collabora.com> <20250917-mtk-post-blend-color-pipeline-v2-7-ac4471b44758@collabora.com> Content-Language: en-US, fr From: Louis Chauvet Autocrypt: addr=louis.chauvet@bootlin.com; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Last-TLS-Session-Version: TLSv1.3 Le 18/09/2025 à 02:43, Nícolas F. R. A. Prado a écrit : > Pass the state of the post-blend color pipeline client cap to the atomic > state so that drivers can rely on it to enable color pipeline > functionality and ignore the deprecated color management CRTC > properties. > > Signed-off-by: Nícolas F. R. A. Prado Reviewed-by: Louis Chauvet > --- > drivers/gpu/drm/drm_atomic_uapi.c | 1 + > include/drm/drm_atomic.h | 20 ++++++++++++++++++++ > 2 files changed, 21 insertions(+) > > diff --git a/drivers/gpu/drm/drm_atomic_uapi.c b/drivers/gpu/drm/drm_atomic_uapi.c > index f5125fa3fa28ff2a6ff07fd7cf07d4bdf77ab738..56a440a9390c7730c4c41b491f29b933a2bbb889 100644 > --- a/drivers/gpu/drm/drm_atomic_uapi.c > +++ b/drivers/gpu/drm/drm_atomic_uapi.c > @@ -1660,6 +1660,7 @@ int drm_mode_atomic_ioctl(struct drm_device *dev, > state->acquire_ctx = &ctx; > state->allow_modeset = !!(arg->flags & DRM_MODE_ATOMIC_ALLOW_MODESET); > state->plane_color_pipeline = file_priv->plane_color_pipeline; > + state->post_blend_color_pipeline = file_priv->post_blend_color_pipeline; > > retry: > copied_objs = 0; > diff --git a/include/drm/drm_atomic.h b/include/drm/drm_atomic.h > index 678708df9cdb90b4266127193a92183069f18688..8c42c584aefbf0034b2163d90538e80099b0dadb 100644 > --- a/include/drm/drm_atomic.h > +++ b/include/drm/drm_atomic.h > @@ -482,6 +482,26 @@ struct drm_atomic_state { > */ > bool plane_color_pipeline : 1; > > + /** > + * @post_blend_color_pipeline: > + * > + * Indicates whether this atomic state originated with a client that > + * set the DRM_CLIENT_CAP_POST_BLEND_COLOR_PIPELINE. > + * > + * Drivers and helper functions should use this to ignore legacy > + * properties that are incompatible with the drm_crtc COLOR_PIPELINE > + * behavior, such as: > + * > + * - GAMMA_LUT > + * - DEGAMMA_LUT > + * - GAMMA_LUT_SIZE > + * - CTM > + * > + * or any other driver-specific properties that might affect pixel > + * values. > + */ > + bool post_blend_color_pipeline : 1; > + > /** > * @colorops: > * > -- -- Louis Chauvet, Bootlin Embedded Linux and Kernel engineering https://bootlin.com