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 X-Spam-Level: X-Spam-Status: No, score=-13.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DE96AC433DB for ; Tue, 30 Mar 2021 19:30:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A1AF16199A for ; Tue, 30 Mar 2021 19:30:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233142AbhC3TaJ (ORCPT ); Tue, 30 Mar 2021 15:30:09 -0400 Received: from m43-7.mailgun.net ([69.72.43.7]:58871 "EHLO m43-7.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233128AbhC3T3k (ORCPT ); Tue, 30 Mar 2021 15:29:40 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1617132580; h=Message-ID: References: In-Reply-To: Subject: Cc: To: From: Date: Content-Transfer-Encoding: Content-Type: MIME-Version: Sender; bh=a95vjplYANEQc1OBiqfteOvGXbi8z1BBsoYoWjdz7lo=; b=xKVnxainWoZ3vextRR6UfjeW8f8A5veGRjR/kE34HNMOIiMusi6K4IECWbCk+GV42yWAXoEs K6ZMQNXm1JRKgJ6CoeNaju+SApuWwbrB2MgBFgCDYz1mvMkUfDvYaTkhWhQiADEaSqr6u1hj qNLk0qs3xKee8rFEg98QRJ41QeY= X-Mailgun-Sending-Ip: 69.72.43.7 X-Mailgun-Sid: WyI1MzIzYiIsICJsaW51eC1hcm0tbXNtQHZnZXIua2VybmVsLm9yZyIsICJiZTllNGEiXQ== Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n07.prod.us-east-1.postgun.com with SMTP id 60637c2387ce1fbb56ecaace (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Tue, 30 Mar 2021 19:29:39 GMT Sender: abhinavk=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id D3D26C43465; Tue, 30 Mar 2021 19:29:38 +0000 (UTC) Received: from mail.codeaurora.org (localhost.localdomain [127.0.0.1]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: abhinavk) by smtp.codeaurora.org (Postfix) with ESMTPSA id 65737C433CA; Tue, 30 Mar 2021 19:29:36 +0000 (UTC) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Date: Tue, 30 Mar 2021 12:29:36 -0700 From: abhinavk@codeaurora.org To: Dmitry Baryshkov Cc: Rob Clark , Sean Paul , Jonathan Marek , Michael Turquette , Stephen Boyd , linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, David Airlie , Daniel Vetter , freedreno@lists.freedesktop.org, linux-clk@vger.kernel.org Subject: Re: [Freedreno] [PATCH v3 25/25] drm/msm/dsi: stop passing src_pll_id to the phy_enable call In-Reply-To: <20210327110305.3289784-26-dmitry.baryshkov@linaro.org> References: <20210327110305.3289784-1-dmitry.baryshkov@linaro.org> <20210327110305.3289784-26-dmitry.baryshkov@linaro.org> Message-ID: X-Sender: abhinavk@codeaurora.org User-Agent: Roundcube Webmail/1.3.9 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org On 2021-03-27 04:03, Dmitry Baryshkov wrote: > Phy driver already knows the source PLL id basing on the set usecase > and > the current PLL id. Stop passing it to the phy_enable call. As a > reminder, dsi manager will always use DSI 0 as a clock master in a > slave > mode, so PLL 0 is always a clocksource for DSI 0 and it is always a > clocksource for DSI 1 too unless DSI 1 is used in the standalone mode. > > Signed-off-by: Dmitry Baryshkov > --- > drivers/gpu/drm/msm/dsi/dsi.h | 2 +- > drivers/gpu/drm/msm/dsi/dsi_manager.c | 11 +++++------ > drivers/gpu/drm/msm/dsi/phy/dsi_phy.c | 4 ++-- > drivers/gpu/drm/msm/dsi/phy/dsi_phy.h | 2 +- > drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c | 2 +- > drivers/gpu/drm/msm/dsi/phy/dsi_phy_14nm.c | 4 ++-- > drivers/gpu/drm/msm/dsi/phy/dsi_phy_20nm.c | 4 ++-- > drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c | 4 ++-- > drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm_8960.c | 2 +- > drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c | 2 +- > 10 files changed, 18 insertions(+), 19 deletions(-) > > diff --git a/drivers/gpu/drm/msm/dsi/dsi.h > b/drivers/gpu/drm/msm/dsi/dsi.h > index 53feea9d30c0..c8ef63bdc042 100644 > --- a/drivers/gpu/drm/msm/dsi/dsi.h > +++ b/drivers/gpu/drm/msm/dsi/dsi.h > @@ -162,7 +162,7 @@ struct msm_dsi_phy_clk_request { > > void msm_dsi_phy_driver_register(void); > void msm_dsi_phy_driver_unregister(void); > -int msm_dsi_phy_enable(struct msm_dsi_phy *phy, int src_pll_id, > +int msm_dsi_phy_enable(struct msm_dsi_phy *phy, > struct msm_dsi_phy_clk_request *clk_req); > void msm_dsi_phy_disable(struct msm_dsi_phy *phy); > void msm_dsi_phy_get_shared_timings(struct msm_dsi_phy *phy, > diff --git a/drivers/gpu/drm/msm/dsi/dsi_manager.c > b/drivers/gpu/drm/msm/dsi/dsi_manager.c > index 0c47c5fb1ab3..76735cde57c6 100644 > --- a/drivers/gpu/drm/msm/dsi/dsi_manager.c > +++ b/drivers/gpu/drm/msm/dsi/dsi_manager.c > @@ -114,7 +114,7 @@ static int dsi_mgr_setup_components(int id) > return ret; > } > > -static int enable_phy(struct msm_dsi *msm_dsi, int src_pll_id, > +static int enable_phy(struct msm_dsi *msm_dsi, > struct msm_dsi_phy_shared_timings *shared_timings) > { > struct msm_dsi_phy_clk_request clk_req; > @@ -123,7 +123,7 @@ static int enable_phy(struct msm_dsi *msm_dsi, int > src_pll_id, > > msm_dsi_host_get_phy_clk_req(msm_dsi->host, &clk_req, is_dual_dsi); > > - ret = msm_dsi_phy_enable(msm_dsi->phy, src_pll_id, &clk_req); > + ret = msm_dsi_phy_enable(msm_dsi->phy, &clk_req); > msm_dsi_phy_get_shared_timings(msm_dsi->phy, shared_timings); > > return ret; > @@ -136,7 +136,6 @@ dsi_mgr_phy_enable(int id, > struct msm_dsi *msm_dsi = dsi_mgr_get_dsi(id); > struct msm_dsi *mdsi = dsi_mgr_get_dsi(DSI_CLOCK_MASTER); > struct msm_dsi *sdsi = dsi_mgr_get_dsi(DSI_CLOCK_SLAVE); > - int src_pll_id = IS_DUAL_DSI() ? DSI_CLOCK_MASTER : id; > int ret; > > /* In case of dual DSI, some registers in PHY1 have been programmed > @@ -149,11 +148,11 @@ dsi_mgr_phy_enable(int id, > msm_dsi_host_reset_phy(mdsi->host); > msm_dsi_host_reset_phy(sdsi->host); > > - ret = enable_phy(mdsi, src_pll_id, > + ret = enable_phy(mdsi, > &shared_timings[DSI_CLOCK_MASTER]); > if (ret) > return ret; > - ret = enable_phy(sdsi, src_pll_id, > + ret = enable_phy(sdsi, > &shared_timings[DSI_CLOCK_SLAVE]); > if (ret) { > msm_dsi_phy_disable(mdsi->phy); > @@ -162,7 +161,7 @@ dsi_mgr_phy_enable(int id, > } > } else { > msm_dsi_host_reset_phy(msm_dsi->host); > - ret = enable_phy(msm_dsi, src_pll_id, &shared_timings[id]); > + ret = enable_phy(msm_dsi, &shared_timings[id]); > if (ret) > return ret; > } > diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c > b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c > index 56f5134e3933..2a421fd77f2f 100644 > --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c > +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c > @@ -753,7 +753,7 @@ void __exit msm_dsi_phy_driver_unregister(void) > platform_driver_unregister(&dsi_phy_platform_driver); > } > > -int msm_dsi_phy_enable(struct msm_dsi_phy *phy, int src_pll_id, > +int msm_dsi_phy_enable(struct msm_dsi_phy *phy, > struct msm_dsi_phy_clk_request *clk_req) > { > struct device *dev = &phy->pdev->dev; > @@ -776,7 +776,7 @@ int msm_dsi_phy_enable(struct msm_dsi_phy *phy, > int src_pll_id, > goto reg_en_fail; > } > > - ret = phy->cfg->ops.enable(phy, src_pll_id, clk_req); > + ret = phy->cfg->ops.enable(phy, clk_req); > if (ret) { > DRM_DEV_ERROR(dev, "%s: phy enable failed, %d\n", __func__, ret); > goto phy_en_fail; > diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h > b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h > index 3b207cf9f6b4..74fffcae0f10 100644 > --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h > +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h > @@ -19,7 +19,7 @@ > > struct msm_dsi_phy_ops { > int (*pll_init)(struct msm_dsi_phy *phy); > - int (*enable)(struct msm_dsi_phy *phy, int src_pll_id, > + int (*enable)(struct msm_dsi_phy *phy, > struct msm_dsi_phy_clk_request *clk_req); > void (*disable)(struct msm_dsi_phy *phy); > void (*save_state)(struct msm_dsi_phy *phy); > diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c > b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c > index 04535ccd11ef..bea68154ef87 100644 > --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c > +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c > @@ -786,7 +786,7 @@ static void dsi_phy_hw_v3_0_lane_settings(struct > msm_dsi_phy *phy) > } > } > > -static int dsi_10nm_phy_enable(struct msm_dsi_phy *phy, int > src_pll_id, > +static int dsi_10nm_phy_enable(struct msm_dsi_phy *phy, > struct msm_dsi_phy_clk_request *clk_req) > { > int ret; > diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_14nm.c > b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_14nm.c > index 7a87bed71e36..c9afa6c461ee 100644 > --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_14nm.c > +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_14nm.c > @@ -938,7 +938,7 @@ static void dsi_14nm_dphy_set_timing(struct > msm_dsi_phy *phy, > DSI_14nm_PHY_LN_TIMING_CTRL_11_TRIG3_CMD(0xa0)); > } > > -static int dsi_14nm_phy_enable(struct msm_dsi_phy *phy, int > src_pll_id, > +static int dsi_14nm_phy_enable(struct msm_dsi_phy *phy, > struct msm_dsi_phy_clk_request *clk_req) > { > struct msm_dsi_dphy_timing *timing = &phy->timing; > @@ -996,7 +996,7 @@ static int dsi_14nm_phy_enable(struct msm_dsi_phy > *phy, int src_pll_id, > dsi_phy_write(base + REG_DSI_14nm_PHY_CMN_CTRL_1, 0x00); > > glbl_test_ctrl = dsi_phy_read(base + > REG_DSI_14nm_PHY_CMN_GLBL_TEST_CTRL); > - if (phy->id == DSI_1 && src_pll_id == DSI_0) > + if (phy->usecase == MSM_DSI_PHY_SLAVE) I think it should not make a difference but can we keep the check for DSI_1? So lets modify this to be: if (phy->id == DSI_1 && phy->usecase == MSM_DSI_PHY_SLAVE) > glbl_test_ctrl |= DSI_14nm_PHY_CMN_GLBL_TEST_CTRL_BITCLK_HS_SEL; > else > glbl_test_ctrl &= ~DSI_14nm_PHY_CMN_GLBL_TEST_CTRL_BITCLK_HS_SEL; > diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_20nm.c > b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_20nm.c > index f5b88c85a8fc..e96d789aea18 100644 > --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_20nm.c > +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_20nm.c > @@ -63,7 +63,7 @@ static void dsi_20nm_phy_regulator_ctrl(struct > msm_dsi_phy *phy, bool enable) > dsi_phy_write(base + REG_DSI_20nm_PHY_REGULATOR_CTRL_0, 0x03); > } > > -static int dsi_20nm_phy_enable(struct msm_dsi_phy *phy, int > src_pll_id, > +static int dsi_20nm_phy_enable(struct msm_dsi_phy *phy, > struct msm_dsi_phy_clk_request *clk_req) > { > struct msm_dsi_dphy_timing *timing = &phy->timing; > @@ -85,7 +85,7 @@ static int dsi_20nm_phy_enable(struct msm_dsi_phy > *phy, int src_pll_id, > dsi_phy_write(base + REG_DSI_20nm_PHY_STRENGTH_0, 0xff); > > val = dsi_phy_read(base + REG_DSI_20nm_PHY_GLBL_TEST_CTRL); > - if (src_pll_id == DSI_1) > + if (phy->id == DSI_1 && phy->usecase == MSM_DSI_PHY_STANDALONE) > val |= DSI_20nm_PHY_GLBL_TEST_CTRL_BITCLK_HS_SEL; > else > val &= ~DSI_20nm_PHY_GLBL_TEST_CTRL_BITCLK_HS_SEL; > diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c > b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c > index 9f83ab90d093..0e8f74ebb895 100644 > --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c > +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c > @@ -698,7 +698,7 @@ static void dsi_28nm_phy_regulator_ctrl(struct > msm_dsi_phy *phy, bool enable) > dsi_28nm_phy_regulator_enable_dcdc(phy); > } > > -static int dsi_28nm_phy_enable(struct msm_dsi_phy *phy, int > src_pll_id, > +static int dsi_28nm_phy_enable(struct msm_dsi_phy *phy, > struct msm_dsi_phy_clk_request *clk_req) > { > struct msm_dsi_dphy_timing *timing = &phy->timing; > @@ -745,7 +745,7 @@ static int dsi_28nm_phy_enable(struct msm_dsi_phy > *phy, int src_pll_id, > dsi_phy_write(base + REG_DSI_28nm_PHY_CTRL_0, 0x5f); > > val = dsi_phy_read(base + REG_DSI_28nm_PHY_GLBL_TEST_CTRL); > - if (phy->id == DSI_1 && src_pll_id == DSI_0) > + if (phy->usecase == MSM_DSI_PHY_SLAVE) same here > val &= ~DSI_28nm_PHY_GLBL_TEST_CTRL_BITCLK_HS_SEL; > else > val |= DSI_28nm_PHY_GLBL_TEST_CTRL_BITCLK_HS_SEL; > diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm_8960.c > b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm_8960.c > index d2bfe43c9ef1..104446450f7c 100644 > --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm_8960.c > +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm_8960.c > @@ -585,7 +585,7 @@ static void dsi_28nm_phy_lane_config(struct > msm_dsi_phy *phy) > dsi_phy_write(base + REG_DSI_28nm_8960_PHY_LNCK_TEST_STR1, 0x88); > } > > -static int dsi_28nm_phy_enable(struct msm_dsi_phy *phy, int > src_pll_id, > +static int dsi_28nm_phy_enable(struct msm_dsi_phy *phy, > struct msm_dsi_phy_clk_request *clk_req) > { > struct msm_dsi_dphy_timing *timing = &phy->timing; > diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c > b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c > index 619998506b78..badc76a8d425 100644 > --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c > +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c > @@ -799,7 +799,7 @@ static void dsi_phy_hw_v4_0_lane_settings(struct > msm_dsi_phy *phy) > } > } > > -static int dsi_7nm_phy_enable(struct msm_dsi_phy *phy, int src_pll_id, > +static int dsi_7nm_phy_enable(struct msm_dsi_phy *phy, > struct msm_dsi_phy_clk_request *clk_req) > { > int ret;