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=-19.0 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 A2C82C11F6E for ; Fri, 9 Jul 2021 21:07:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 871F0613DC for ; Fri, 9 Jul 2021 21:07:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230390AbhGIVK2 (ORCPT ); Fri, 9 Jul 2021 17:10:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37328 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230406AbhGIVKY (ORCPT ); Fri, 9 Jul 2021 17:10:24 -0400 Received: from mail-lf1-x133.google.com (mail-lf1-x133.google.com [IPv6:2a00:1450:4864:20::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 03C44C0613DD for ; Fri, 9 Jul 2021 14:07:39 -0700 (PDT) Received: by mail-lf1-x133.google.com with SMTP id f13so25676200lfh.6 for ; Fri, 09 Jul 2021 14:07:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=OTq9Pkz4BYXwrH5zuaAUceLOenA5s9knn8yX5hFPoAo=; b=NtZd4pM3t3QN/vp/wSCA8FD5vv++YcXc+Q/SaeNQOJxOExszeMa9h8fqTwW6MH1VjT GvnGCIl0ndQ35qP8Nhmd44VGBRGQpCwlzqeCoGuXFVPY++JD7UWZxYqxxDyKdSYd3f5M tbJA7Ag3ztrtpteYubdoVZD9arfMxtKan9dlvWpTPRxrh5qfMANKPX68msgnRX/5tTiL oV8mAfsziHmJQJNFCCrxUC5R6TrxQej1Hx1+OM05414ecMyxFS0fYeQb1k00xu6SpGoe rZRZqP0XLQJCzqK+mFU9LNFh2DXKQZIgUKPfte1LCWB0x3vYz7WeoIiDWYSAqhvRgG8y llGw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=OTq9Pkz4BYXwrH5zuaAUceLOenA5s9knn8yX5hFPoAo=; b=RwlBW8rfsWiJY6azeypIToKLibBaeihMmYHIq1l2u24P/JkG0kXujoXEBE+RVeo8oZ 6gkQyQ9b3+HmCZqx4qI8YHukjhMi7zRGz63ZPOGpcqFm+pq0nQXK/IBZ+FjWb92FfiCr zaKts1IlDOXXaQMeHgX+QAnEDShbWsBwmAlMYCNLAT7B0sw1RZaaIoZdgyZ9JlA9IoTE 8+MrWjgOpQMbV7mssXj0tOksBcHZ1uYLuTueSib7IO4skhTUHZlNVYQOTfB8AZeYYxmf LyCFBTapfoA+nYu6LJtxBausHd21SqripNc03JVxKp/YgH1BPbFgDdCr/eK1+paWLku9 DanA== X-Gm-Message-State: AOAM5300ixy4HYtGSgs+kmFwlfUT3Mf0/ncNduUUq4wTjqDOKnTaBuYZ RE6OhcUDjjd5WjY7HnqoFwafsA== X-Google-Smtp-Source: ABdhPJyNNXqPU2qqS5g9Sk/wHzyM1QJGuzuzNCLJPn46baXNSeyfgNnLDxaR6zkI1qHZB8/MzAAtGQ== X-Received: by 2002:a19:910f:: with SMTP id t15mr13269411lfd.287.1625864857373; Fri, 09 Jul 2021 14:07:37 -0700 (PDT) Received: from eriador.lan ([37.153.55.125]) by smtp.gmail.com with ESMTPSA id n15sm590625lfh.70.2021.07.09.14.07.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 09 Jul 2021 14:07:37 -0700 (PDT) From: Dmitry Baryshkov To: Andy Gross , Bjorn Andersson , Rob Clark , Sean Paul , Abhinav Kumar , Rob Herring Cc: Jonathan Marek , Stephen Boyd , David Airlie , Daniel Vetter , linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, devicetree@vger.kernel.org Subject: [PATCH v2 6/8] drm/msm/dsi: stop setting clock parents manually Date: Sat, 10 Jul 2021 00:07:27 +0300 Message-Id: <20210709210729.953114-7-dmitry.baryshkov@linaro.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210709210729.953114-1-dmitry.baryshkov@linaro.org> References: <20210709210729.953114-1-dmitry.baryshkov@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org There is no reason to set clock parents manually, use device tree to assign DSI/display clock parents to DSI PHY clocks. Dropping this manual setup allows us to drop repeating code and to move registration of hw clock providers to generic place. Signed-off-by: Dmitry Baryshkov Reviewed-by: Abhinav Kumar --- drivers/gpu/drm/msm/dsi/dsi.h | 2 -- drivers/gpu/drm/msm/dsi/dsi_host.c | 51 --------------------------- drivers/gpu/drm/msm/dsi/dsi_manager.c | 5 --- drivers/gpu/drm/msm/dsi/phy/dsi_phy.c | 11 ------ 4 files changed, 69 deletions(-) diff --git a/drivers/gpu/drm/msm/dsi/dsi.h b/drivers/gpu/drm/msm/dsi/dsi.h index 9b8e9b07eced..1f0ec78c6b05 100644 --- a/drivers/gpu/drm/msm/dsi/dsi.h +++ b/drivers/gpu/drm/msm/dsi/dsi.h @@ -170,8 +170,6 @@ void msm_dsi_phy_get_shared_timings(struct msm_dsi_phy *phy, struct msm_dsi_phy_shared_timings *shared_timing); void msm_dsi_phy_set_usecase(struct msm_dsi_phy *phy, enum msm_dsi_phy_usecase uc); -int msm_dsi_phy_get_clk_provider(struct msm_dsi_phy *phy, - struct clk **byte_clk_provider, struct clk **pixel_clk_provider); void msm_dsi_phy_pll_save_state(struct msm_dsi_phy *phy); int msm_dsi_phy_pll_restore_state(struct msm_dsi_phy *phy); void msm_dsi_phy_snapshot(struct msm_disp_state *disp_state, struct msm_dsi_phy *phy); diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c index ed504fe5074f..1fa6ee12395b 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_host.c +++ b/drivers/gpu/drm/msm/dsi/dsi_host.c @@ -2219,57 +2219,6 @@ void msm_dsi_host_cmd_xfer_commit(struct mipi_dsi_host *host, u32 dma_base, wmb(); } -int msm_dsi_host_set_src_pll(struct mipi_dsi_host *host, - struct msm_dsi_phy *src_phy) -{ - struct msm_dsi_host *msm_host = to_msm_dsi_host(host); - struct clk *byte_clk_provider, *pixel_clk_provider; - int ret; - - ret = msm_dsi_phy_get_clk_provider(src_phy, - &byte_clk_provider, &pixel_clk_provider); - if (ret) { - pr_info("%s: can't get provider from pll, don't set parent\n", - __func__); - return 0; - } - - ret = clk_set_parent(msm_host->byte_clk_src, byte_clk_provider); - if (ret) { - pr_err("%s: can't set parent to byte_clk_src. ret=%d\n", - __func__, ret); - goto exit; - } - - ret = clk_set_parent(msm_host->pixel_clk_src, pixel_clk_provider); - if (ret) { - pr_err("%s: can't set parent to pixel_clk_src. ret=%d\n", - __func__, ret); - goto exit; - } - - if (msm_host->dsi_clk_src) { - ret = clk_set_parent(msm_host->dsi_clk_src, pixel_clk_provider); - if (ret) { - pr_err("%s: can't set parent to dsi_clk_src. ret=%d\n", - __func__, ret); - goto exit; - } - } - - if (msm_host->esc_clk_src) { - ret = clk_set_parent(msm_host->esc_clk_src, byte_clk_provider); - if (ret) { - pr_err("%s: can't set parent to esc_clk_src. ret=%d\n", - __func__, ret); - goto exit; - } - } - -exit: - return ret; -} - void msm_dsi_host_reset_phy(struct mipi_dsi_host *host) { struct msm_dsi_host *msm_host = to_msm_dsi_host(host); diff --git a/drivers/gpu/drm/msm/dsi/dsi_manager.c b/drivers/gpu/drm/msm/dsi/dsi_manager.c index 4ebfedc4a9ac..4a17f12b9316 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_manager.c +++ b/drivers/gpu/drm/msm/dsi/dsi_manager.c @@ -78,7 +78,6 @@ static int dsi_mgr_setup_components(int id) return ret; msm_dsi_phy_set_usecase(msm_dsi->phy, MSM_DSI_PHY_STANDALONE); - ret = msm_dsi_host_set_src_pll(msm_dsi->host, msm_dsi->phy); } else if (!other_dsi) { ret = 0; } else { @@ -105,10 +104,6 @@ static int dsi_mgr_setup_components(int id) MSM_DSI_PHY_MASTER); msm_dsi_phy_set_usecase(clk_slave_dsi->phy, MSM_DSI_PHY_SLAVE); - ret = msm_dsi_host_set_src_pll(msm_dsi->host, clk_master_dsi->phy); - if (ret) - return ret; - ret = msm_dsi_host_set_src_pll(other_dsi->host, clk_master_dsi->phy); } 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 6ca6bfd4809b..952fd0b95865 100644 --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c @@ -835,17 +835,6 @@ void msm_dsi_phy_set_usecase(struct msm_dsi_phy *phy, phy->usecase = uc; } -int msm_dsi_phy_get_clk_provider(struct msm_dsi_phy *phy, - struct clk **byte_clk_provider, struct clk **pixel_clk_provider) -{ - if (byte_clk_provider) - *byte_clk_provider = phy->provided_clocks->hws[DSI_BYTE_PLL_CLK]->clk; - if (pixel_clk_provider) - *pixel_clk_provider = phy->provided_clocks->hws[DSI_PIXEL_PLL_CLK]->clk; - - return 0; -} - void msm_dsi_phy_pll_save_state(struct msm_dsi_phy *phy) { if (phy->cfg->ops.save_pll_state) { -- 2.30.2 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=-16.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 87A27C07E9C for ; 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Fri, 09 Jul 2021 14:07:37 -0700 (PDT) Received: from eriador.lan ([37.153.55.125]) by smtp.gmail.com with ESMTPSA id n15sm590625lfh.70.2021.07.09.14.07.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 09 Jul 2021 14:07:37 -0700 (PDT) From: Dmitry Baryshkov To: Andy Gross , Bjorn Andersson , Rob Clark , Sean Paul , Abhinav Kumar , Rob Herring Subject: [PATCH v2 6/8] drm/msm/dsi: stop setting clock parents manually Date: Sat, 10 Jul 2021 00:07:27 +0300 Message-Id: <20210709210729.953114-7-dmitry.baryshkov@linaro.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210709210729.953114-1-dmitry.baryshkov@linaro.org> References: <20210709210729.953114-1-dmitry.baryshkov@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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, Jonathan Marek , Stephen Boyd , linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, David Airlie , freedreno@lists.freedesktop.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" There is no reason to set clock parents manually, use device tree to assign DSI/display clock parents to DSI PHY clocks. Dropping this manual setup allows us to drop repeating code and to move registration of hw clock providers to generic place. Signed-off-by: Dmitry Baryshkov Reviewed-by: Abhinav Kumar --- drivers/gpu/drm/msm/dsi/dsi.h | 2 -- drivers/gpu/drm/msm/dsi/dsi_host.c | 51 --------------------------- drivers/gpu/drm/msm/dsi/dsi_manager.c | 5 --- drivers/gpu/drm/msm/dsi/phy/dsi_phy.c | 11 ------ 4 files changed, 69 deletions(-) diff --git a/drivers/gpu/drm/msm/dsi/dsi.h b/drivers/gpu/drm/msm/dsi/dsi.h index 9b8e9b07eced..1f0ec78c6b05 100644 --- a/drivers/gpu/drm/msm/dsi/dsi.h +++ b/drivers/gpu/drm/msm/dsi/dsi.h @@ -170,8 +170,6 @@ void msm_dsi_phy_get_shared_timings(struct msm_dsi_phy *phy, struct msm_dsi_phy_shared_timings *shared_timing); void msm_dsi_phy_set_usecase(struct msm_dsi_phy *phy, enum msm_dsi_phy_usecase uc); -int msm_dsi_phy_get_clk_provider(struct msm_dsi_phy *phy, - struct clk **byte_clk_provider, struct clk **pixel_clk_provider); void msm_dsi_phy_pll_save_state(struct msm_dsi_phy *phy); int msm_dsi_phy_pll_restore_state(struct msm_dsi_phy *phy); void msm_dsi_phy_snapshot(struct msm_disp_state *disp_state, struct msm_dsi_phy *phy); diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c index ed504fe5074f..1fa6ee12395b 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_host.c +++ b/drivers/gpu/drm/msm/dsi/dsi_host.c @@ -2219,57 +2219,6 @@ void msm_dsi_host_cmd_xfer_commit(struct mipi_dsi_host *host, u32 dma_base, wmb(); } -int msm_dsi_host_set_src_pll(struct mipi_dsi_host *host, - struct msm_dsi_phy *src_phy) -{ - struct msm_dsi_host *msm_host = to_msm_dsi_host(host); - struct clk *byte_clk_provider, *pixel_clk_provider; - int ret; - - ret = msm_dsi_phy_get_clk_provider(src_phy, - &byte_clk_provider, &pixel_clk_provider); - if (ret) { - pr_info("%s: can't get provider from pll, don't set parent\n", - __func__); - return 0; - } - - ret = clk_set_parent(msm_host->byte_clk_src, byte_clk_provider); - if (ret) { - pr_err("%s: can't set parent to byte_clk_src. ret=%d\n", - __func__, ret); - goto exit; - } - - ret = clk_set_parent(msm_host->pixel_clk_src, pixel_clk_provider); - if (ret) { - pr_err("%s: can't set parent to pixel_clk_src. ret=%d\n", - __func__, ret); - goto exit; - } - - if (msm_host->dsi_clk_src) { - ret = clk_set_parent(msm_host->dsi_clk_src, pixel_clk_provider); - if (ret) { - pr_err("%s: can't set parent to dsi_clk_src. ret=%d\n", - __func__, ret); - goto exit; - } - } - - if (msm_host->esc_clk_src) { - ret = clk_set_parent(msm_host->esc_clk_src, byte_clk_provider); - if (ret) { - pr_err("%s: can't set parent to esc_clk_src. ret=%d\n", - __func__, ret); - goto exit; - } - } - -exit: - return ret; -} - void msm_dsi_host_reset_phy(struct mipi_dsi_host *host) { struct msm_dsi_host *msm_host = to_msm_dsi_host(host); diff --git a/drivers/gpu/drm/msm/dsi/dsi_manager.c b/drivers/gpu/drm/msm/dsi/dsi_manager.c index 4ebfedc4a9ac..4a17f12b9316 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_manager.c +++ b/drivers/gpu/drm/msm/dsi/dsi_manager.c @@ -78,7 +78,6 @@ static int dsi_mgr_setup_components(int id) return ret; msm_dsi_phy_set_usecase(msm_dsi->phy, MSM_DSI_PHY_STANDALONE); - ret = msm_dsi_host_set_src_pll(msm_dsi->host, msm_dsi->phy); } else if (!other_dsi) { ret = 0; } else { @@ -105,10 +104,6 @@ static int dsi_mgr_setup_components(int id) MSM_DSI_PHY_MASTER); msm_dsi_phy_set_usecase(clk_slave_dsi->phy, MSM_DSI_PHY_SLAVE); - ret = msm_dsi_host_set_src_pll(msm_dsi->host, clk_master_dsi->phy); - if (ret) - return ret; - ret = msm_dsi_host_set_src_pll(other_dsi->host, clk_master_dsi->phy); } 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 6ca6bfd4809b..952fd0b95865 100644 --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c @@ -835,17 +835,6 @@ void msm_dsi_phy_set_usecase(struct msm_dsi_phy *phy, phy->usecase = uc; } -int msm_dsi_phy_get_clk_provider(struct msm_dsi_phy *phy, - struct clk **byte_clk_provider, struct clk **pixel_clk_provider) -{ - if (byte_clk_provider) - *byte_clk_provider = phy->provided_clocks->hws[DSI_BYTE_PLL_CLK]->clk; - if (pixel_clk_provider) - *pixel_clk_provider = phy->provided_clocks->hws[DSI_PIXEL_PLL_CLK]->clk; - - return 0; -} - void msm_dsi_phy_pll_save_state(struct msm_dsi_phy *phy) { if (phy->cfg->ops.save_pll_state) { -- 2.30.2