From nobody Tue Feb 10 12:42:59 2026 Received: from bali.collaboradmins.com (bali.collaboradmins.com [148.251.105.195]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D957E349AFF for ; Tue, 23 Dec 2025 19:47:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.251.105.195 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766519229; cv=none; b=X5WgUEnV8AzzYYmBWO3NABFQOQwj7QjZDeeufdtCjmPZ2A0yVTzchYFiRLRzJ1M0i7+eO0jSHCNKkyPRuREIVcmCPVuSg/Asah7OlElc8Hjgyl7y2gI3oDte/9K1cWslk9uXCB5UYy8ard1QJhEK790djBhLPdnV2ElrFZujdog= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766519229; c=relaxed/simple; bh=d65+SB2H0w2cmmN+b2Qd2Ub01bbiCbXtCXzu6iJjU7g=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=sb3GexIXrVvDa3X6x+ppsLOX5pBqEBfdsR/GcVHQoR9nzjEw8ikcvnU1N3BL+AIBxu2cwu2xJdY0rHC4qxBYKjkiN7E/99JWcjq1gy3kWkbCJoVhnWv0ZG242vpyGm/kq8yzkLCL4zX0kEhmsCbixULIyA3B8lCzFa28si1+Ihg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b=MkuWQjTM; arc=none smtp.client-ip=148.251.105.195 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="MkuWQjTM" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1766519226; bh=d65+SB2H0w2cmmN+b2Qd2Ub01bbiCbXtCXzu6iJjU7g=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=MkuWQjTMGWMNMdSoXCRbAoJoRo/EvjuSsMC/g8JBxKi0P2iIfhmY4JI1kLjQbXGVv PVV6xiOr8SwGOlgql5nbAwsydBSAqggmz8vLA/XSjj8QrQJDDWwJwBB/9BtD5AU34K +IcLdMtlotN1KAUaK1uMr6QTNO95d1K3qUG5TAKGfFjUzU0etkn72fCx5bamHiyLQ3 cYPuXDP2wXn1bnO+aBIUMd50GJddmabstAsPzF3ckpedo2F8yiW5MuYqSMIneYeAm6 kBOF90GsJKiu18zCi8qNAwfCRW3VnNHuX7vvwC+C9gvZrTKNNtY3lUZJmCupqgqj7K ZqmKEZmaoQ0cQ== Received: from [127.0.1.1] (unknown [IPv6:2804:1b1:f803:74:81c8:6a7a:6e11:8f81]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: nfraprado) by bali.collaboradmins.com (Postfix) with ESMTPSA id 2CA3E17E153F; Tue, 23 Dec 2025 20:47:00 +0100 (CET) From: =?utf-8?q?N=C3=ADcolas_F=2E_R=2E_A=2E_Prado?= Date: Tue, 23 Dec 2025 16:44:48 -0300 Subject: [PATCH 07/11] drm/colorop: Introduce HLG EOTF Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20251223-mtk-ovl-pre-blend-colorops-v1-7-0cb99bd0ab33@collabora.com> References: <20251223-mtk-ovl-pre-blend-colorops-v1-0-0cb99bd0ab33@collabora.com> In-Reply-To: <20251223-mtk-ovl-pre-blend-colorops-v1-0-0cb99bd0ab33@collabora.com> To: Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Chun-Kuang Hu , Philipp Zabel , Matthias Brugger , AngeloGioacchino Del Regno Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, daniels@collabora.com, ariel.dalessandro@collabora.com, kernel@collabora.com, =?utf-8?q?N=C3=ADcolas_F=2E_R=2E_A=2E_Prado?= X-Mailer: b4 0.14.3 Introduce definition of a hybrid log-gamma electro-optical transfer function for 1D Curve colorops. Signed-off-by: N=C3=ADcolas F. R. A. Prado Reviewed-by: Macpaul Lin --- drivers/gpu/drm/drm_colorop.c | 1 + include/drm/drm_colorop.h | 10 ++++++++++ 2 files changed, 11 insertions(+) diff --git a/drivers/gpu/drm/drm_colorop.c b/drivers/gpu/drm/drm_colorop.c index fafe45b93ff8..a19e03fb9c7c 100644 --- a/drivers/gpu/drm/drm_colorop.c +++ b/drivers/gpu/drm/drm_colorop.c @@ -79,6 +79,7 @@ static const char * const colorop_curve_1d_type_names[] = =3D { [DRM_COLOROP_1D_CURVE_BT2020_OETF] =3D "BT.2020 OETF", [DRM_COLOROP_1D_CURVE_GAMMA22] =3D "Gamma 2.2", [DRM_COLOROP_1D_CURVE_GAMMA22_INV] =3D "Gamma 2.2 Inverse", + [DRM_COLOROP_1D_CURVE_HLG_EOTF] =3D "HLG", }; =20 static const struct drm_prop_enum_list drm_colorop_lut1d_interpolation_lis= t[] =3D { diff --git a/include/drm/drm_colorop.h b/include/drm/drm_colorop.h index ee6454b08b2d..8ec98521607d 100644 --- a/include/drm/drm_colorop.h +++ b/include/drm/drm_colorop.h @@ -126,6 +126,16 @@ enum drm_colorop_curve_1d_type { * The inverse of &DRM_COLOROP_1D_CURVE_GAMMA22 */ DRM_COLOROP_1D_CURVE_GAMMA22_INV, + + /** + * @DRM_COLOROP_1D_CURVE_HLG_EOTF: + * + * enum string "HLG" + * + * Hybrid log-gamma transfer function. + */ + DRM_COLOROP_1D_CURVE_HLG_EOTF, + /** * @DRM_COLOROP_1D_CURVE_COUNT: * --=20 2.51.0