From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 5FEA7C433EF for ; Fri, 17 Jun 2022 00:12:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Message-Id:Date:To:Cc:From: Subject:References:In-Reply-To:Content-Transfer-Encoding:MIME-Version: Content-Type:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=uQeVB00AjJrbZT5b4yd3bF+T7xqW+4EKimhddU+zKSc=; b=i1Z8nLxmf0PHtQ8XlWMyycDypM kjCORfiJIfbqGeesCjUIUdUWf0K8MTMv9Jki6YB0XxAg7WT1LnKfJuKQZuJHmzGS2E0RQMNfQ+T4I 7J9yyMfH3dcjT1xV/o/OWAzE2xkYfV3yQj29On5qHUWpfJ69Oeb+pACGgKq4BQFvT3/Md3U7q+emA pQmjdnGdkO+4XcFRK05/tl9Rftc6T8UAKFhmLhtTHlT5+je9ooO9BX6QDgVY0U8W9zIS3E/PCVUOv vU/jBH0cLS0dWIKGgAPxGN0C9aX4kt2vvcrIxyR/pbYMHxkazXsjn40Cu7uDg5zoPjEStVht64Rxj 7GDkLKAA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1o1zaX-004rNC-OM; Fri, 17 Jun 2022 00:11:49 +0000 Received: from ams.source.kernel.org ([145.40.68.75]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1o1zaM-004rM8-B0; Fri, 17 Jun 2022 00:11:39 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id F2973B82688; Fri, 17 Jun 2022 00:11:35 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9AD0CC34114; Fri, 17 Jun 2022 00:11:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1655424694; bh=uQeVB00AjJrbZT5b4yd3bF+T7xqW+4EKimhddU+zKSc=; h=In-Reply-To:References:Subject:From:Cc:To:Date:From; b=oJ1o0qOkIqjaahotZjelLA95CRGSCBeyUZCf31ei/1X/0WSeF0ZKdDuayhIRGRJaN 6j1kQcUVqOjkYoKEw876rX7umHBVYVEBNJwY24iO8e0Yw7YTCBu71WcIRxPo6hldkU qpwPiNw/XYPAUnoX6TGRaeru4wkyTjt7Bm+EiSkfrDnqRCAKBKUBY1FPvHtx7X5IYp wYKZfsJgBT5LsbGLO5L/VPtlxW2yDXypTR8NjdFK3+9M6mD9Qp7CUE7123WMclPqVx /2Zgj0GtMcEnyiA89/ZeAgyCEhZb0S0Ug+cYCSAcgkDaNSwMaJczKIJLGsLfjaIJJ+ vWXbe0S3qEFfQ== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable In-Reply-To: <88be9f00-2b1a-977d-dadd-95a131bf7f1f@collabora.com> References: <20220614091020.21472-1-angelogioacchino.delregno@collabora.com> <20220616024442.1337EC3411E@smtp.kernel.org> <88be9f00-2b1a-977d-dadd-95a131bf7f1f@collabora.com> Subject: Re: [PATCH] clk: mediatek: clk-mt8195-vdo0: Set rate on vdo0_dp_intf0_dp_intf's parent From: Stephen Boyd Cc: matthias.bgg@gmail.com, wenst@chromium.org, miles.chen@mediatek.com, chun-jie.chen@mediatek.com, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, rex-bc.chen@mediatek.com To: AngeloGioacchino Del Regno , mturquette@baylibre.com Date: Thu, 16 Jun 2022 17:11:32 -0700 User-Agent: alot/0.10 Message-Id: <20220617001134.9AD0CC34114@smtp.kernel.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220616_171138_565461_DFDC3ECA X-CRM114-Status: GOOD ( 12.96 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Quoting AngeloGioacchino Del Regno (2022-06-16 01:48:44) > Il 16/06/22 04:44, Stephen Boyd ha scritto: > > Quoting AngeloGioacchino Del Regno (2022-06-14 02:10:20) > >> Add the CLK_SET_RATE_PARENT flag to the CLK_VDO0_DP_INTF0_DP_INTF > >> clock: this is required to trigger clock source selection on > >> CLK_TOP_EDP, while avoiding to manage the enablement of the former > >> separately from the latter in the displayport driver. > >> > >> Signed-off-by: AngeloGioacchino Del Regno > >> --- > >=20 > > Any Fixes tag? >=20 > Backporting is useless because there's no DisplayPort driver that support= s MT8195 > in the previous kernel versions, so this clock (and whatever logic behind= it) is > unused. >=20 > Though, if you think that's going to be useful in any way, I can add one? >=20 It's always useful. A Fixes tag doesn't mean anything for backporting to stable kernels.