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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E3364C433EF for ; Wed, 5 Jan 2022 12:20:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236547AbiAEMU4 (ORCPT ); Wed, 5 Jan 2022 07:20:56 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40648 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229997AbiAEMUu (ORCPT ); Wed, 5 Jan 2022 07:20:50 -0500 Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3D947C061761 for ; Wed, 5 Jan 2022 04:20:50 -0800 (PST) Received: from ptx.hi.pengutronix.de ([2001:67c:670:100:1d::c0]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1n55HZ-00071u-Gu; Wed, 05 Jan 2022 13:20:45 +0100 Received: from sha by ptx.hi.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1n55HT-0001C5-Eu; Wed, 05 Jan 2022 13:20:39 +0100 Date: Wed, 5 Jan 2022 13:20:39 +0100 From: Sascha Hauer To: Andy Yan Cc: dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, kernel@pengutronix.de, Benjamin Gaignard , Michael Riesch , Sandy Huang , Heiko =?iso-8859-15?Q?St=FCbner?= , Peter Geis , Kever Yang Subject: Re: [PATCH 22/22] drm: rockchip: Add VOP2 driver Message-ID: <20220105122039.GU6003@pengutronix.de> References: <20211220110630.3521121-1-s.hauer@pengutronix.de> <20211220110630.3521121-23-s.hauer@pengutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-Sent-From: Pengutronix Hildesheim X-URL: http://www.pengutronix.de/ X-IRC: #ptxdist @freenode X-Accept-Language: de,en X-Accept-Content-Type: text/plain X-Uptime: 12:31:47 up 25 days, 20:17, 82 users, load average: 1.24, 1.20, 1.14 User-Agent: Mutt/1.10.1 (2018-07-13) X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::c0 X-SA-Exim-Mail-From: sha@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: devicetree@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Hi Andy, On Tue, Jan 04, 2022 at 07:07:23PM +0800, Andy Yan wrote: > > > I thinks we should be very carefully about switch to regmap. > > Most of the registers are take effect by frame sync(that is you write the > config done bit and when vsync interrupt come), > > Not only windows register, but also the SYS_CTRL, post processor(VP0/1/2),  > OVERLAY, hdr and so on. That's why I marked these as nonvolatile, so that reading the registers comes from the cache. I may have missed some registers, these could be added when needed. > > + ret = vop2_win_init(vop2); > > + if (ret) > > + return ret; > Do you have a count about how much time the function vop2_win_init cost ? No. Why does that matter? Sascha -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | 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 E6D59C433F5 for ; Wed, 5 Jan 2022 12:21:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=9QNfTEGNdCz8mz55QllqjSKQIvSYlR7CdACietV/3y8=; b=xccl4z7Fapo2up Hr/45nT57S7YW6mxGWnBuzzCPGPypbR8s2qgf8UiQvm3cx1h7WNSCEvnWRI98jjVUG8AbDUmSXGZ9 dDLM5IKAkJ8qRAdRanRcoo70vLJtQ71U5GwoZiZ3ssf6ChCwimwwvYGjCvr9JIjSBkbYBqB8hEolU 4gjlUt/erch4JWbs69O5wV2UFe4UuivjPdVSkw3qRLLNrcT1Y5CTLusfe1sU3NpnJAqgN/NcR2J4j blILmnOABWC4/mtwAm/HoxWV//kOhaYlT/w6XvN2WQijBgqGhnciQv9QZ796skE/ZRLhz9pHRC9Wn F2r3Ft35KBNTGbUjB4wQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1n55Ho-00EkTa-Ji; Wed, 05 Jan 2022 12:21:00 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1n55Hc-00EkRi-IY for linux-rockchip@lists.infradead.org; Wed, 05 Jan 2022 12:20:49 +0000 Received: from ptx.hi.pengutronix.de ([2001:67c:670:100:1d::c0]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1n55HZ-00071u-Gu; Wed, 05 Jan 2022 13:20:45 +0100 Received: from sha by ptx.hi.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1n55HT-0001C5-Eu; Wed, 05 Jan 2022 13:20:39 +0100 Date: Wed, 5 Jan 2022 13:20:39 +0100 From: Sascha Hauer To: Andy Yan Cc: dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, kernel@pengutronix.de, Benjamin Gaignard , Michael Riesch , Sandy Huang , Heiko =?iso-8859-15?Q?St=FCbner?= , Peter Geis , Kever Yang Subject: Re: [PATCH 22/22] drm: rockchip: Add VOP2 driver Message-ID: <20220105122039.GU6003@pengutronix.de> References: <20211220110630.3521121-1-s.hauer@pengutronix.de> <20211220110630.3521121-23-s.hauer@pengutronix.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-Sent-From: Pengutronix Hildesheim X-URL: http://www.pengutronix.de/ X-IRC: #ptxdist @freenode X-Accept-Language: de,en X-Accept-Content-Type: text/plain X-Uptime: 12:31:47 up 25 days, 20:17, 82 users, load average: 1.24, 1.20, 1.14 User-Agent: Mutt/1.10.1 (2018-07-13) X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::c0 X-SA-Exim-Mail-From: sha@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-rockchip@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220105_042048_624081_A512C1DD X-CRM114-Status: GOOD ( 22.30 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="iso-8859-15" Content-Transfer-Encoding: quoted-printable Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org Hi Andy, On Tue, Jan 04, 2022 at 07:07:23PM +0800, Andy Yan wrote: > = > = > I thinks we should be very carefully about switch to regmap. > = > Most of the registers are take effect by frame sync(that is you write the > config done bit and when vsync interrupt come), > = > Not only windows register, but also the SYS_CTRL, post processor(VP0/1/2)= ,=A0 > OVERLAY, hdr and so on. That's why I marked these as nonvolatile, so that reading the registers comes from the cache. I may have missed some registers, these could be added when needed. > > + ret =3D vop2_win_init(vop2); > > + if (ret) > > + return ret; > Do you have a count about how much time the function vop2_win_init cost ? No. Why does that matter? Sascha -- = Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ Linux-rockchip mailing list Linux-rockchip@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-rockchip 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 73A49C433F5 for ; Wed, 5 Jan 2022 12:20:49 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 7594B10E76E; Wed, 5 Jan 2022 12:20:48 +0000 (UTC) Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3839210E76E for ; Wed, 5 Jan 2022 12:20:47 +0000 (UTC) Received: from ptx.hi.pengutronix.de ([2001:67c:670:100:1d::c0]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1n55HZ-00071u-Gu; Wed, 05 Jan 2022 13:20:45 +0100 Received: from sha by ptx.hi.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1n55HT-0001C5-Eu; Wed, 05 Jan 2022 13:20:39 +0100 Date: Wed, 5 Jan 2022 13:20:39 +0100 From: Sascha Hauer To: Andy Yan Subject: Re: [PATCH 22/22] drm: rockchip: Add VOP2 driver Message-ID: <20220105122039.GU6003@pengutronix.de> References: <20211220110630.3521121-1-s.hauer@pengutronix.de> <20211220110630.3521121-23-s.hauer@pengutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-Sent-From: Pengutronix Hildesheim X-URL: http://www.pengutronix.de/ X-IRC: #ptxdist @freenode X-Accept-Language: de,en X-Accept-Content-Type: text/plain X-Uptime: 12:31:47 up 25 days, 20:17, 82 users, load average: 1.24, 1.20, 1.14 User-Agent: Mutt/1.10.1 (2018-07-13) X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::c0 X-SA-Exim-Mail-From: sha@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: dri-devel@lists.freedesktop.org X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Benjamin Gaignard , Sandy Huang , dri-devel@lists.freedesktop.org, Kever Yang , linux-rockchip@lists.infradead.org, Michael Riesch , kernel@pengutronix.de, Peter Geis , linux-arm-kernel@lists.infradead.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Hi Andy, On Tue, Jan 04, 2022 at 07:07:23PM +0800, Andy Yan wrote: > > > I thinks we should be very carefully about switch to regmap. > > Most of the registers are take effect by frame sync(that is you write the > config done bit and when vsync interrupt come), > > Not only windows register, but also the SYS_CTRL, post processor(VP0/1/2),  > OVERLAY, hdr and so on. That's why I marked these as nonvolatile, so that reading the registers comes from the cache. I may have missed some registers, these could be added when needed. > > + ret = vop2_win_init(vop2); > > + if (ret) > > + return ret; > Do you have a count about how much time the function vop2_win_init cost ? No. Why does that matter? Sascha -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | 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 7364BC433EF for ; Wed, 5 Jan 2022 12:22:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=0WEPiq6+BcplUV7FyNODimA73afsAjz6F4cPLrA/ryU=; b=HEYR9OS4nT/Bf/ czIn6sNx4XCfyf4NOW7ncpqICaIEfWei10Pw045tigv+g5PplfcB6UHr15adjleK5hYdpstsT1f3T hZoLrMU2ScOxemSN+nlfW7RV6x6sDBU70Ho1bC+3M+HaCLE9yl4N7dMkcNv4bWy9IgBg2IpzGd89n 6xQB/YodMC9CgqKLw36JWqV+Ez0CbpJXwoUtCKfYiOaP325is0DsuRN2s2iLX4ObODbIYKbXyw9lC ZDXhR+Cqw+aat0iVi9uLhMx/nShtDX/4oNy+bEPyyLyBLRX76r/dbQOXybEm3GD0GsaTCAVVR/wZP 2XmSxxWDcwntrwPhulCQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1n55Hf-00EkSW-Bw; Wed, 05 Jan 2022 12:20:51 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1n55Hb-00EkRT-8d for linux-arm-kernel@lists.infradead.org; Wed, 05 Jan 2022 12:20:48 +0000 Received: from ptx.hi.pengutronix.de ([2001:67c:670:100:1d::c0]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1n55HZ-00071u-Gu; Wed, 05 Jan 2022 13:20:45 +0100 Received: from sha by ptx.hi.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1n55HT-0001C5-Eu; Wed, 05 Jan 2022 13:20:39 +0100 Date: Wed, 5 Jan 2022 13:20:39 +0100 From: Sascha Hauer To: Andy Yan Cc: dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, kernel@pengutronix.de, Benjamin Gaignard , Michael Riesch , Sandy Huang , Heiko =?iso-8859-15?Q?St=FCbner?= , Peter Geis , Kever Yang Subject: Re: [PATCH 22/22] drm: rockchip: Add VOP2 driver Message-ID: <20220105122039.GU6003@pengutronix.de> References: <20211220110630.3521121-1-s.hauer@pengutronix.de> <20211220110630.3521121-23-s.hauer@pengutronix.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-Sent-From: Pengutronix Hildesheim X-URL: http://www.pengutronix.de/ X-IRC: #ptxdist @freenode X-Accept-Language: de,en X-Accept-Content-Type: text/plain X-Uptime: 12:31:47 up 25 days, 20:17, 82 users, load average: 1.24, 1.20, 1.14 User-Agent: Mutt/1.10.1 (2018-07-13) X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::c0 X-SA-Exim-Mail-From: sha@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-arm-kernel@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220105_042047_333323_B4EB17C3 X-CRM114-Status: GOOD ( 23.21 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="iso-8859-15" Content-Transfer-Encoding: quoted-printable Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Andy, On Tue, Jan 04, 2022 at 07:07:23PM +0800, Andy Yan wrote: > = > = > I thinks we should be very carefully about switch to regmap. > = > Most of the registers are take effect by frame sync(that is you write the > config done bit and when vsync interrupt come), > = > Not only windows register, but also the SYS_CTRL, post processor(VP0/1/2)= ,=A0 > OVERLAY, hdr and so on. That's why I marked these as nonvolatile, so that reading the registers comes from the cache. I may have missed some registers, these could be added when needed. > > + ret =3D vop2_win_init(vop2); > > + if (ret) > > + return ret; > Do you have a count about how much time the function vop2_win_init cost ? No. Why does that matter? Sascha -- = Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel