From nobody Mon Feb 9 22:02:56 2026 Received: from lelvem-ot01.ext.ti.com (lelvem-ot01.ext.ti.com [198.47.23.234]) (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 C79C12EBB98 for ; Tue, 14 Oct 2025 09:46:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.47.23.234 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760435213; cv=none; b=OAEujjzOc5mZ95FatCNmHjybgDFsGkDnMNvLEi3nFFcvjdEDxroT1Uzh5gmELIqlV/44hX0clNcdCpGzzy+aWHaZ9NFWqs40SY6xKvvfz9K64QobHUnkeXC1FJU3VyIuk7P3DACeJvgAlwpd2kgz29f/O8Mquu3lkqUK1dExyQI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760435213; c=relaxed/simple; bh=On5R3LWlsd3PYHTpGMzsiynihZ5ryBLo6IV7fBN3ZHs=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=LbhUrYXxxT90CUoxyDpz+6jWNLyU5hnZNvVRrtIq59cPihud6y9aREEgGSCvPAEyeZl0P22yyLVARuQBzQXbXwcFvke2dXxf5CVGNFcx2ei3wNWI0RY+ipK1BHVk6FzegjBZablJWIbkEqguz42OsgeQ/TSZSecQlF1XrVMS3iA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com; spf=pass smtp.mailfrom=ti.com; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b=A1F21jEd; arc=none smtp.client-ip=198.47.23.234 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ti.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="A1F21jEd" Received: from lelvem-sh01.itg.ti.com ([10.180.77.71]) by lelvem-ot01.ext.ti.com (8.15.2/8.15.2) with ESMTP id 59E9kHcp1118620; Tue, 14 Oct 2025 04:46:17 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1760435177; bh=O6gISXFAw9VI8vW9Gp4gmJ8yOkZNaeDhjskPoc76tQE=; h=From:To:Subject:Date:In-Reply-To:References; b=A1F21jEd5NOeVK98Vng/bYurP16XYxInwsBH6KXGpY6FdwdK2W6q6sPZ61Y3QK66O uLMgkHQZXAWWMy3xpFLmiodONIxDs4t2jZXjHCkCKJ9N1V5wLjblvMNdEj5p+EREgg FFS9DA2xrZ7+E7sqze7ePVAf3u+UDfL+Fp6h5GNU= Received: from DFLE207.ent.ti.com (dfle207.ent.ti.com [10.64.6.65]) by lelvem-sh01.itg.ti.com (8.18.1/8.18.1) with ESMTPS id 59E9kHV73917383 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Tue, 14 Oct 2025 04:46:17 -0500 Received: from DFLE202.ent.ti.com (10.64.6.60) by DFLE207.ent.ti.com (10.64.6.65) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20; Tue, 14 Oct 2025 04:46:17 -0500 Received: from lelvem-mr06.itg.ti.com (10.180.75.8) by DFLE202.ent.ti.com (10.64.6.60) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20 via Frontend Transport; Tue, 14 Oct 2025 04:46:17 -0500 Received: from hkshenoy.dhcp.ti.com (hkshenoy.dhcp.ti.com [172.24.235.208]) by lelvem-mr06.itg.ti.com (8.18.1/8.18.1) with ESMTP id 59E9jSjY3359281; Tue, 14 Oct 2025 04:46:10 -0500 From: Harikrishna Shenoy To: , , , , , , , , , , , , , , , , , , , , , , , , , Subject: [PATCH v8 6/6] drm/bridge: cadence: cdns-mhdp8546-core: Handle HDCP state in bridge atomic check Date: Tue, 14 Oct 2025 15:15:27 +0530 Message-ID: <20251014094527.3916421-7-h-shenoy@ti.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20251014094527.3916421-1-h-shenoy@ti.com> References: <20251014094527.3916421-1-h-shenoy@ti.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-C2ProcessedOrg: 333ef613-75bf-4e12-a4b1-8e3623f5dcea Content-Type: text/plain; charset="utf-8" Now that we have DBANC framework and legacy connector functions removed, handle the HDCP disabling in bridge atomic check rather than in connector atomic check in !(DBANC) usecase. Signed-off-by: Harikrishna Shenoy --- .../drm/bridge/cadence/cdns-mhdp8546-core.c | 23 +++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c b/drivers/= gpu/drm/bridge/cadence/cdns-mhdp8546-core.c index 06ac5c2ee78f..120eb7ffe20c 100644 --- a/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c +++ b/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c @@ -1962,6 +1962,10 @@ static int cdns_mhdp_atomic_check(struct drm_bridge = *bridge, { struct cdns_mhdp_device *mhdp =3D bridge_to_mhdp(bridge); const struct drm_display_mode *mode =3D &crtc_state->adjusted_mode; + struct drm_connector_state *old_state, *new_state; + struct drm_atomic_state *state =3D crtc_state->state; + struct drm_connector *conn =3D mhdp->connector; + u64 old_cp, new_cp; =20 mutex_lock(&mhdp->link_mutex); =20 @@ -1981,6 +1985,25 @@ static int cdns_mhdp_atomic_check(struct drm_bridge = *bridge, if (mhdp->info) bridge_state->input_bus_cfg.flags =3D *mhdp->info->input_bus_flags; =20 + if (conn && mhdp->hdcp_supported) { + old_state =3D drm_atomic_get_old_connector_state(state, conn); + new_state =3D drm_atomic_get_new_connector_state(state, conn); + old_cp =3D old_state->content_protection; + new_cp =3D new_state->content_protection; + + if (old_state->hdcp_content_type !=3D new_state->hdcp_content_type && + new_cp !=3D DRM_MODE_CONTENT_PROTECTION_UNDESIRED) { + new_state->content_protection =3D DRM_MODE_CONTENT_PROTECTION_DESIRED; + crtc_state =3D drm_atomic_get_new_crtc_state(state, new_state->crtc); + crtc_state->mode_changed =3D true; + } + + if (!new_state->crtc) { + if (old_cp =3D=3D DRM_MODE_CONTENT_PROTECTION_ENABLED) + new_state->content_protection =3D DRM_MODE_CONTENT_PROTECTION_DESIRED; + } + } + mutex_unlock(&mhdp->link_mutex); return 0; } --=20 2.34.1