From nobody Thu Dec 18 00:27:00 2025 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 602511D61B7 for ; Mon, 16 Dec 2024 22:54:46 +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=1734389688; cv=none; b=Ukiddf4T6rJCWm/wshImZpygreJEKr+JEC22tA9q0nodGwSmvOnfI/G8b53cBDchAL2DvvXzqfwyN9fdL7fi2MhM+n7Sm5lDopajE/vVqomoeLO5okWZk1aqj+kRUASdH/wRWlV5RxEikjHyeopcUO5A8ihDsKWT1iV0ida2l88= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734389688; c=relaxed/simple; bh=3Yv9HXZbZ6qFS04G/TTVkzxJkRaupXuzYL93ruy4RrE=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=ttSXheHkkExBCzmTlk5YY5pu4pJJxf0PLeOn7J0NTNTS3iTT/Ov9rV5k2FKxDCIDCP0CNABB1yH4rOyqE39HDxrRR2JrkiuJjnG4hZs3zfRk23GBdWLAGzuq5uCZPGMphao5s8Cr6R0V7xeBlBVS2bVaux1sbeIp3LBPLAc4ltA= 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=Cm/rg9ZA; 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="Cm/rg9ZA" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1734389684; bh=3Yv9HXZbZ6qFS04G/TTVkzxJkRaupXuzYL93ruy4RrE=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=Cm/rg9ZAzJp+Ba1aPf8zhm6N6tEvrGa7bWdhx82EL9brhfSMaNLqMzq2Gf5m75ZKb KtIDHWGlU0DSStagLTq9FqzCcb91NnXLb6TRVBUXr25MEsvkFa4D4iLRcg5rtaZmRA fn2TQEpDbbptzge0WpqiFDX5njooUt7ZplzdoaYvw+GpvPGVfHTwsa3GOrGqCMNiLK DtpA/ZEe/eplP1iJ0BOn90d3q6AORm+YGfUfL+ojwyO8uzezYlyCmYFqF5Oqzv0aKH /T8iqlWbamMhK9y3YoJlXkdxe81UzalQt1QH7MDw4zh1bC5WDMd9YGAk+jQLJcwVsV dFQxiP23D/sGA== Received: from localhost (unknown [188.27.48.199]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (prime256v1) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: cristicc) by bali.collaboradmins.com (Postfix) with ESMTPSA id 41D1717E3834; Mon, 16 Dec 2024 23:54:44 +0100 (CET) From: Cristian Ciocaltea Date: Tue, 17 Dec 2024 00:54:08 +0200 Subject: [PATCH v3 2/2] drm/connector: hdmi: Validate supported_formats matches ycbcr_420_allowed 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: <20241217-bridge-conn-fmt-prio-v3-2-3ecb3c8fc06f@collabora.com> References: <20241217-bridge-conn-fmt-prio-v3-0-3ecb3c8fc06f@collabora.com> In-Reply-To: <20241217-bridge-conn-fmt-prio-v3-0-3ecb3c8fc06f@collabora.com> To: Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Dmitry Baryshkov Cc: kernel@collabora.com, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org X-Mailer: b4 0.14.2 Ensure HDMI connector initialization fails when the presence of HDMI_COLORSPACE_YUV420 in the given supported_formats bitmask doesn't match the value of drm_connector->ycbcr_420_allowed. Suggested-by: Dmitry Baryshkov Signed-off-by: Cristian Ciocaltea Reviewed-by: Dmitry Baryshkov --- drivers/gpu/drm/drm_connector.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connecto= r.c index fc35f47e2849ed6786d6223ac9c69e1c359fc648..ca7f43c8d6f1b31ef9d3a1ee05f= 4df930ecffac4 100644 --- a/drivers/gpu/drm/drm_connector.c +++ b/drivers/gpu/drm/drm_connector.c @@ -507,6 +507,9 @@ int drmm_connector_hdmi_init(struct drm_device *dev, if (!supported_formats || !(supported_formats & BIT(HDMI_COLORSPACE_RGB))) return -EINVAL; =20 + if (connector->ycbcr_420_allowed !=3D !!(supported_formats & BIT(HDMI_COL= ORSPACE_YUV420))) + return -EINVAL; + if (!(max_bpc =3D=3D 8 || max_bpc =3D=3D 10 || max_bpc =3D=3D 12)) return -EINVAL; =20 --=20 2.47.0