From patchwork Wed Mar 31 10:57:24 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Baryshkov X-Patchwork-Id: 412947 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=-18.8 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 28B00C433F4 for ; Wed, 31 Mar 2021 10:58:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 05EC1619AE for ; Wed, 31 Mar 2021 10:58:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235128AbhCaK6E (ORCPT ); Wed, 31 Mar 2021 06:58:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56564 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235147AbhCaK5u (ORCPT ); Wed, 31 Mar 2021 06:57:50 -0400 Received: from mail-lf1-x134.google.com (mail-lf1-x134.google.com [IPv6:2a00:1450:4864:20::134]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3F213C061574 for ; Wed, 31 Mar 2021 03:57:50 -0700 (PDT) Received: by mail-lf1-x134.google.com with SMTP id q29so28407430lfb.4 for ; Wed, 31 Mar 2021 03:57:50 -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=jks6uw8vKOVjHJ64qxajKP26j7EyBfYIM430M0HkHfs=; b=wfwRQZyiNacy1vxu713dR9WuHQPios7+Qcd+scxyCncpwRqJqLHzG3Nw6DGhpz4ifm OF2Vika9dXagyLxGkTp7wuMP5v//K3boi+Ew1MF4ZeJtZJc+N34a5BAZJN/SGbDkhWPm hop+1M5zoX9kwbWsP+fIGGqrb9tX5etOSYQkDy9bH7lBswgNJWwl77cFJKlhAn24urWZ XCck8+NeT3gevE7aR5651uA/sbURa/6wEsV77Xv8dW76Y9/qDYizS9Jmh7tOZFCRhcA5 o5Ab1eWsBNKL+GaVksvH+5zEQtuKD51oudsr71H2hlC0eryy5Y9EejliuzEEn749/o7I 0YIg== 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=jks6uw8vKOVjHJ64qxajKP26j7EyBfYIM430M0HkHfs=; b=CJrGHZtqdl1NFDbEr2aleHy20JI+d4k9sY1tG5HKq5RlzDtKbAWDGp5p6mgNOsm/xj avoN6uC+jcnaNHdQlfNIKlzBcx9bkeMCRv+Prei4PpP3athZ3KzxLQb49nTcqB5pgHya 1r3QMKmKewWIfax/iPsQ3aXgQQIGIESpI5/3lvWN9U0DOEMzMFiOgrxhy4rS0QWm1YNb B6pFBVCL/X/qfMOWDB6WVlEDU3L69AqYBvxGtHIUNbqQgWx9vYDaRFFZ4Jf08s9UaiEi acbHL0byRpZLaa/l7N/AqK6CebvubwRD2RbkMzM65tEN+DpQQTfLQ+3VkikB8MrvEQpH 3M0Q== X-Gm-Message-State: AOAM532d6JOGgIwcgA1jwrPaKS6tzMuaJIQ1SiujaralHm0k3IeMxUtS EOa9nChyIRZIl5r5Hqu9gcZNdg== X-Google-Smtp-Source: ABdhPJzq/Rzg/aZWsJnMdr6s1o/6IhvZXxo7SK+LVH+8VHk27vL6j0oNidRPwF6sVZyCPOsHpAbk0g== X-Received: by 2002:ac2:465c:: with SMTP id s28mr1862968lfo.135.1617188268714; Wed, 31 Mar 2021 03:57:48 -0700 (PDT) Received: from eriador.lan ([37.153.55.125]) by smtp.gmail.com with ESMTPSA id h3sm184359ljc.67.2021.03.31.03.57.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 31 Mar 2021 03:57:48 -0700 (PDT) From: Dmitry Baryshkov To: Rob Clark , Sean Paul , Abhinav Kumar , Jonathan Marek , Michael Turquette Cc: Stephen Boyd , David Airlie , Daniel Vetter , linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-clk@vger.kernel.org, Stephen Boyd Subject: [PATCH v4 13/24] drm/msm/dsi: make save/restore_state phy-level functions Date: Wed, 31 Mar 2021 13:57:24 +0300 Message-Id: <20210331105735.3690009-14-dmitry.baryshkov@linaro.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210331105735.3690009-1-dmitry.baryshkov@linaro.org> References: <20210331105735.3690009-1-dmitry.baryshkov@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Morph msm_dsi_pll_save/restore_state() into msm_dsi_phy_save/restore_state(), thus removing last bits of knowledge about msm_dsi_pll from dsi_manager. Signed-off-by: Dmitry Baryshkov Reviewed-by: Abhinav Kumar Tested-by: Stephen Boyd # on sc7180 lazor --- drivers/gpu/drm/msm/dsi/dsi.h | 18 ++--------- drivers/gpu/drm/msm/dsi/dsi_manager.c | 6 ++-- drivers/gpu/drm/msm/dsi/phy/dsi_phy.c | 35 +++++++++++++++------- drivers/gpu/drm/msm/dsi/phy/dsi_phy.h | 11 +++++++ drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c | 2 +- drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c | 2 +- drivers/gpu/drm/msm/dsi/phy/dsi_pll.c | 26 ---------------- drivers/gpu/drm/msm/dsi/phy/dsi_pll.h | 11 ------- 8 files changed, 42 insertions(+), 69 deletions(-) diff --git a/drivers/gpu/drm/msm/dsi/dsi.h b/drivers/gpu/drm/msm/dsi/dsi.h index 0970f05cd47f..7f99e12efd52 100644 --- a/drivers/gpu/drm/msm/dsi/dsi.h +++ b/drivers/gpu/drm/msm/dsi/dsi.h @@ -92,21 +92,6 @@ static inline bool msm_dsi_device_connected(struct msm_dsi *msm_dsi) struct drm_encoder *msm_dsi_get_encoder(struct msm_dsi *msm_dsi); -/* dsi pll */ -struct msm_dsi_pll; -#ifdef CONFIG_DRM_MSM_DSI_PLL -void msm_dsi_pll_save_state(struct msm_dsi_pll *pll); -int msm_dsi_pll_restore_state(struct msm_dsi_pll *pll); -#else -static inline void msm_dsi_pll_save_state(struct msm_dsi_pll *pll) -{ -} -static inline int msm_dsi_pll_restore_state(struct msm_dsi_pll *pll) -{ - return 0; -} -#endif - /* dsi host */ struct msm_dsi_host; int msm_dsi_host_xfer_prepare(struct mipi_dsi_host *host, @@ -182,11 +167,12 @@ int msm_dsi_phy_enable(struct msm_dsi_phy *phy, int src_pll_id, void msm_dsi_phy_disable(struct msm_dsi_phy *phy); void msm_dsi_phy_get_shared_timings(struct msm_dsi_phy *phy, struct msm_dsi_phy_shared_timings *shared_timing); -struct msm_dsi_pll *msm_dsi_phy_get_pll(struct msm_dsi_phy *phy); 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); #endif /* __DSI_CONNECTOR_H__ */ diff --git a/drivers/gpu/drm/msm/dsi/dsi_manager.c b/drivers/gpu/drm/msm/dsi/dsi_manager.c index 86e36be58701..e116e5ff5d24 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_manager.c +++ b/drivers/gpu/drm/msm/dsi/dsi_manager.c @@ -498,7 +498,6 @@ static void dsi_mgr_bridge_post_disable(struct drm_bridge *bridge) struct msm_dsi *msm_dsi1 = dsi_mgr_get_dsi(DSI_1); struct mipi_dsi_host *host = msm_dsi->host; struct drm_panel *panel = msm_dsi->panel; - struct msm_dsi_pll *src_pll; bool is_dual_dsi = IS_DUAL_DSI(); int ret; @@ -532,9 +531,8 @@ static void dsi_mgr_bridge_post_disable(struct drm_bridge *bridge) id, ret); } - /* Save PLL status if it is a clock source */ - src_pll = msm_dsi_phy_get_pll(msm_dsi->phy); - msm_dsi_pll_save_state(src_pll); + /* Save PHY status if it is a clock source */ + msm_dsi_phy_pll_save_state(msm_dsi->phy); ret = msm_dsi_host_power_off(host); if (ret) diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c index 46561435a27d..a1360e2dad3b 100644 --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c @@ -799,9 +799,9 @@ int msm_dsi_phy_enable(struct msm_dsi_phy *phy, int src_pll_id, * source. */ if (phy->usecase != MSM_DSI_PHY_SLAVE) { - ret = msm_dsi_pll_restore_state(phy->pll); + ret = msm_dsi_phy_pll_restore_state(phy); if (ret) { - DRM_DEV_ERROR(dev, "%s: failed to restore pll state, %d\n", + DRM_DEV_ERROR(dev, "%s: failed to restore phy state, %d\n", __func__, ret); goto pll_restor_fail; } @@ -838,14 +838,6 @@ void msm_dsi_phy_get_shared_timings(struct msm_dsi_phy *phy, sizeof(*shared_timings)); } -struct msm_dsi_pll *msm_dsi_phy_get_pll(struct msm_dsi_phy *phy) -{ - if (!phy) - return NULL; - - return phy->pll; -} - void msm_dsi_phy_set_usecase(struct msm_dsi_phy *phy, enum msm_dsi_phy_usecase uc) { @@ -863,3 +855,26 @@ int msm_dsi_phy_get_clk_provider(struct msm_dsi_phy *phy, return -EINVAL; } + +void msm_dsi_phy_pll_save_state(struct msm_dsi_phy *phy) +{ + if (phy->cfg->pll_ops.save_state) { + phy->cfg->pll_ops.save_state(phy->pll); + phy->pll->state_saved = true; + } +} + +int msm_dsi_phy_pll_restore_state(struct msm_dsi_phy *phy) +{ + int ret; + + if (phy->cfg->pll_ops.restore_state && phy->pll->state_saved) { + ret = phy->cfg->pll_ops.restore_state(phy->pll); + if (ret) + return ret; + + phy->pll->state_saved = false; + } + + return 0; +} diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h index 2c5196844ba9..8133732e0c7f 100644 --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h @@ -6,6 +6,7 @@ #ifndef __DSI_PHY_H__ #define __DSI_PHY_H__ +#include #include #include "dsi.h" @@ -13,6 +14,16 @@ #define dsi_phy_read(offset) msm_readl((offset)) #define dsi_phy_write(offset, data) msm_writel((data), (offset)) +struct msm_dsi_pll { + struct clk_hw clk_hw; + bool pll_on; + bool state_saved; + + const struct msm_dsi_phy_cfg *cfg; +}; + +#define hw_clk_to_pll(x) container_of(x, struct msm_dsi_pll, clk_hw) + struct msm_dsi_phy_ops { int (*pll_init)(struct msm_dsi_phy *phy); int (*enable)(struct msm_dsi_phy *phy, int src_pll_id, 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 6300b92c65eb..d81cea661f5c 100644 --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c @@ -782,7 +782,7 @@ static int dsi_pll_10nm_init(struct msm_dsi_phy *phy) phy->pll = pll; /* TODO: Remove this when we have proper display handover support */ - msm_dsi_pll_save_state(pll); + msm_dsi_phy_pll_save_state(phy); return 0; } 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 c482e51d1bee..d725ceb0b90c 100644 --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c @@ -807,7 +807,7 @@ static int dsi_pll_7nm_init(struct msm_dsi_phy *phy) phy->pll = pll; /* TODO: Remove this when we have proper display handover support */ - msm_dsi_pll_save_state(pll); + msm_dsi_phy_pll_save_state(phy); return 0; } diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_pll.c b/drivers/gpu/drm/msm/dsi/phy/dsi_pll.c index 96de79b94f1b..652c2d6bfeec 100644 --- a/drivers/gpu/drm/msm/dsi/phy/dsi_pll.c +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_pll.c @@ -56,29 +56,3 @@ void msm_dsi_pll_helper_clk_unprepare(struct clk_hw *hw) pll->pll_on = false; } - -/* - * DSI PLL API - */ -void msm_dsi_pll_save_state(struct msm_dsi_pll *pll) -{ - if (pll->cfg->pll_ops.save_state) { - pll->cfg->pll_ops.save_state(pll); - pll->state_saved = true; - } -} - -int msm_dsi_pll_restore_state(struct msm_dsi_pll *pll) -{ - int ret; - - if (pll->cfg->pll_ops.restore_state && pll->state_saved) { - ret = pll->cfg->pll_ops.restore_state(pll); - if (ret) - return ret; - - pll->state_saved = false; - } - - return 0; -} diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_pll.h b/drivers/gpu/drm/msm/dsi/phy/dsi_pll.h index c94f079b8275..eca13cf67c21 100644 --- a/drivers/gpu/drm/msm/dsi/phy/dsi_pll.h +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_pll.h @@ -6,21 +6,10 @@ #ifndef __DSI_PLL_H__ #define __DSI_PLL_H__ -#include #include #include "dsi.h" -struct msm_dsi_pll { - struct clk_hw clk_hw; - bool pll_on; - bool state_saved; - - const struct msm_dsi_phy_cfg *cfg; -}; - -#define hw_clk_to_pll(x) container_of(x, struct msm_dsi_pll, clk_hw) - static inline void pll_write(void __iomem *reg, u32 data) { msm_writel(data, reg);