From nobody Thu Feb 02 07:39:35 2023 X-Original-To: dev-commits-src-branches@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4P6rK366z9z3c8yG; Thu, 2 Feb 2023 07:39:35 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (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 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4P6rK35c82z3CC9; Thu, 2 Feb 2023 07:39:35 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1675323575; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=EnwwJdPd7YwcpdlW67836mJauQHey+o4XcHz1v4aGIw=; b=udeKlQazXpeLTQjcXbDjbSd2/Mf40zxmrErXJZgwDo7LlSbqyHNs6AUhk8ayDbUjFtMikc g+omWBOl56ctz2mZcpxMJUu6ghR7Y6iNDjxzTgCG29SZHWVCURz6Bv5Sou4XPYh0jhTufl yYlPQzVo7ZYOLIXj/R8KyiUW/pna1ZKTMUW1D1qWMmLE5i/6w0/VnWPZ4Pox7/0hD6NGI3 S65wDs7CB0JERxQNfbZ9ShdF5dVeIsmRkFDr/VH3BKTw2MBB5mOqYA+Se5iHIqI/XNujOm dAfq3y3aDvYs4MGGvwathnAt9Ll2KMwgBXrnPvX69DQFPFP7eayKORZkeFzkrA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1675323575; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=EnwwJdPd7YwcpdlW67836mJauQHey+o4XcHz1v4aGIw=; b=uoQReedHID4OojtS8Lj9tM+iC/mnKi4WwyF/edKwOANlbpOwOvPnoh3mmKQmYtzxFuYkBF 3pdfTGkxjRAXrTLA5XXQJ4RUj1mcRzbggZOM7A+1dty8Sg6bbkvGlNbXLn99Swu7Ix8dQi M0camLXjzucQvcpnJAhMbj5AWqLXKQOHEV2EqZHKCv+JOC9+B4u5AQ59upX7Wb4UVvlmKb AWgrLhjmrAvzpWooeqzorWqB9Y6HXWWD+v+hj/eVEWPEXzoF/9PGM/iGa8heAaJ7NlsBsw LKWgbulGo4jO3EDvS7nTV/G+iW7VZ+YbB1jwXQpYIyY3+VQlmutfQQYIC4dSzg== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1675323575; a=rsa-sha256; cv=none; b=rolxPjrUdi4JEjtDbs0jEzzXRiwOvbsMZ0VWA7q8EFRhuh9eCuRrbjo/SJNIwC2Kb8ldxh CmBLLID15ZkHvAX2Rfdvb29bIY6Zz0hkoLZ54+Th0OC/kUQ6Q/EIv3mDPJN9xVLBVVwMQE E00VjZGuKMYIP38RdnGWGtDeSQbm74j66/WUWDItJWgs85ybAKHwpRhzSc6PGeFMMxtzoG X0/pEQf29BCMVEHxX7g3BdcuHmgWMLFG6qenXkkxJ+NeZkkb/XDSOA+THlIrWs7DL54KKE LuuTsSfIBzJ338GyHRzbGSSNtBnb/hBPjakvZylNavZJKWfGHOmV/Paby2XShw== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (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) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4P6rK34jV0zm4x; Thu, 2 Feb 2023 07:39:35 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.16.1/8.16.1) with ESMTP id 3127dZph062106; Thu, 2 Feb 2023 07:39:35 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 3127dZap062105; Thu, 2 Feb 2023 07:39:35 GMT (envelope-from git) Date: Thu, 2 Feb 2023 07:39:35 GMT Message-Id: <202302020739.3127dZap062105@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Navdeep Parhar Subject: git: 35c9bbff4342 - stable/13 - cxgbe(4): Add a knob to request that clocks be gated on suspend. List-Id: Commits to the stable branches of the FreeBSD src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-branches List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-src-branches@freebsd.org X-BeenThere: dev-commits-src-branches@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: np X-Git-Repository: src X-Git-Refname: refs/heads/stable/13 X-Git-Reftype: branch X-Git-Commit: 35c9bbff43423f4d8b0920ef1eb1d79975b9776e Auto-Submitted: auto-generated X-ThisMailContainsUnwantedMimeParts: N The branch stable/13 has been updated by np: URL: https://cgit.FreeBSD.org/src/commit/?id=35c9bbff43423f4d8b0920ef1eb1d79975b9776e commit 35c9bbff43423f4d8b0920ef1eb1d79975b9776e Author: Navdeep Parhar AuthorDate: 2022-08-16 07:48:21 +0000 Commit: Navdeep Parhar CommitDate: 2023-02-02 07:16:20 +0000 cxgbe(4): Add a knob to request that clocks be gated on suspend. Sponsored by: Chelsio Communications (cherry picked from commit a8dc67388ae11a3bbb0175acb3ef9f6478d0c233) --- sys/dev/cxgbe/t4_main.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/sys/dev/cxgbe/t4_main.c b/sys/dev/cxgbe/t4_main.c index ebbe1bf1306e..9f4ffba9b3ef 100644 --- a/sys/dev/cxgbe/t4_main.c +++ b/sys/dev/cxgbe/t4_main.c @@ -631,6 +631,10 @@ static int t4_reset_on_fatal_err = 0; SYSCTL_INT(_hw_cxgbe, OID_AUTO, reset_on_fatal_err, CTLFLAG_RWTUN, &t4_reset_on_fatal_err, 0, "reset adapter on fatal errors"); +static int t4_clock_gate_on_suspend = 0; +SYSCTL_INT(_hw_cxgbe, OID_AUTO, clock_gate_on_suspend, CTLFLAG_RWTUN, + &t4_clock_gate_on_suspend, 0, "gate the clock on suspend"); + static int t4_tx_vm_wr = 0; SYSCTL_INT(_hw_cxgbe, OID_AUTO, tx_vm_wr, CTLFLAG_RWTUN, &t4_tx_vm_wr, 0, "Use VM work requests to transmit packets."); @@ -2074,6 +2078,12 @@ t4_suspend(device_t dev) sc->reset_thread = NULL; mtx_unlock(&sc->reg_lock); + if (t4_clock_gate_on_suspend) { + t4_set_reg_field(sc, A_PMU_PART_CG_PWRMODE, F_MA_PART_CGEN | + F_LE_PART_CGEN | F_EDC1_PART_CGEN | F_EDC0_PART_CGEN | + F_TP_PART_CGEN | F_PDP_PART_CGEN | F_SGE_PART_CGEN, 0); + } + CH_ALERT(sc, "suspend completed.\n"); done: end_synchronized_op(sc, 0);