From patchwork Thu Jan 5 13:10:41 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrzej Hajda X-Patchwork-Id: 13089851 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 E93D4C3DA7D for ; Thu, 5 Jan 2023 13:11:27 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 745FF10E71A; Thu, 5 Jan 2023 13:11:26 +0000 (UTC) Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTPS id B551310E71A for ; Thu, 5 Jan 2023 13:11:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1672924283; x=1704460283; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=6zZJbJVpO9qth281MvkZUwl+ZPeZ53HWXd0kTno/+f0=; b=PwDD6+e+MzastGvoA7mFljixw4KF66vma43trQuMcBvqAfqKvko5eJJK pWQdQTUPnVKCE2yyGIQ1uvilJQ2Qi3ekewYpQ2mKZ5UyPpzCAmCZFlX5h lgs7w2C1xUNKJhRFFiw26X2aXED3r35xIysPz5duNyX6mEUX928hNBTqP ZwqOkpYS65NRACuRmbhqV46ew/j/BrFzu83HadnZINa/xpBN6SG+6cifE c9yNcGZidrbpHWyRr+sWYUYyAspkGGJAt9NcPvqnIYAKOMQaRqOqHd7iJ iB5wQdr0FwCse7pcwxKDa4/bN4j5McAnVElh6L0kSp3KKMP2EHAdw27F4 w==; X-IronPort-AV: E=McAfee;i="6500,9779,10580"; a="323429774" X-IronPort-AV: E=Sophos;i="5.96,303,1665471600"; d="scan'208";a="323429774" Received: from orsmga006.jf.intel.com ([10.7.209.51]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Jan 2023 05:11:23 -0800 X-IronPort-AV: E=McAfee;i="6500,9779,10580"; a="633129081" X-IronPort-AV: E=Sophos;i="5.96,303,1665471600"; d="scan'208";a="633129081" Received: from lab-ah.igk.intel.com ([10.91.215.196]) by orsmga006-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Jan 2023 05:11:20 -0800 From: Andrzej Hajda To: intel-gfx@lists.freedesktop.org Date: Thu, 5 Jan 2023 14:10:41 +0100 Message-Id: <20230105131046.2173431-4-andrzej.hajda@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230105131046.2173431-1-andrzej.hajda@intel.com> References: <20230105131046.2173431-1-andrzej.hajda@intel.com> MIME-Version: 1.0 Organization: Intel Technology Poland sp. z o.o. - ul. Slowackiego 173, 80-298 Gdansk - KRS 101882 - NIP 957-07-52-316 Subject: [Intel-gfx] [PATCH v2 4/9] drm/i915/display/phys: use intel_de_rmw if possible X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Andrzej Hajda , Rodrigo Vivi Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" The helper makes the code more compact and readable. Signed-off-by: Andrzej Hajda Reviewed-by: Rodrigo Vivi --- .../gpu/drm/i915/display/intel_combo_phy.c | 43 +++++----------- drivers/gpu/drm/i915/display/intel_dpio_phy.c | 51 ++++++------------- 2 files changed, 29 insertions(+), 65 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_combo_phy.c b/drivers/gpu/drm/i915/display/intel_combo_phy.c index 8b870b2dd4f9d9..27e98eabb0060a 100644 --- a/drivers/gpu/drm/i915/display/intel_combo_phy.c +++ b/drivers/gpu/drm/i915/display/intel_combo_phy.c @@ -78,14 +78,11 @@ static void icl_set_procmon_ref_values(struct drm_i915_private *dev_priv, enum phy phy) { const struct icl_procmon *procmon; - u32 val; procmon = icl_get_procmon_ref_values(dev_priv, phy); - val = intel_de_read(dev_priv, ICL_PORT_COMP_DW1(phy)); - val &= ~((0xff << 16) | 0xff); - val |= procmon->dw1; - intel_de_write(dev_priv, ICL_PORT_COMP_DW1(phy), val); + intel_de_rmw(dev_priv, ICL_PORT_COMP_DW1(phy), + (0xff << 16) | 0xff, procmon->dw1); intel_de_write(dev_priv, ICL_PORT_COMP_DW9(phy), procmon->dw9); intel_de_write(dev_priv, ICL_PORT_COMP_DW10(phy), procmon->dw10); @@ -267,7 +264,6 @@ void intel_combo_phy_power_up_lanes(struct drm_i915_private *dev_priv, int lane_count, bool lane_reversal) { u8 lane_mask; - u32 val; if (is_dsi) { drm_WARN_ON(&dev_priv->drm, lane_reversal); @@ -308,10 +304,8 @@ void intel_combo_phy_power_up_lanes(struct drm_i915_private *dev_priv, } } - val = intel_de_read(dev_priv, ICL_PORT_CL_DW10(phy)); - val &= ~PWR_DOWN_LN_MASK; - val |= lane_mask; - intel_de_write(dev_priv, ICL_PORT_CL_DW10(phy), val); + intel_de_rmw(dev_priv, ICL_PORT_CL_DW10(phy), + PWR_DOWN_LN_MASK, lane_mask); } static void icl_combo_phys_init(struct drm_i915_private *dev_priv) @@ -366,19 +360,13 @@ static void icl_combo_phys_init(struct drm_i915_private *dev_priv) icl_set_procmon_ref_values(dev_priv, phy); - if (phy_is_master(dev_priv, phy)) { - val = intel_de_read(dev_priv, ICL_PORT_COMP_DW8(phy)); - val |= IREFGEN; - intel_de_write(dev_priv, ICL_PORT_COMP_DW8(phy), val); - } - - val = intel_de_read(dev_priv, ICL_PORT_COMP_DW0(phy)); - val |= COMP_INIT; - intel_de_write(dev_priv, ICL_PORT_COMP_DW0(phy), val); + if (phy_is_master(dev_priv, phy)) + intel_de_rmw(dev_priv, ICL_PORT_COMP_DW8(phy), + 0, IREFGEN); - val = intel_de_read(dev_priv, ICL_PORT_CL_DW5(phy)); - val |= CL_POWER_DOWN_ENABLE; - intel_de_write(dev_priv, ICL_PORT_CL_DW5(phy), val); + intel_de_rmw(dev_priv, ICL_PORT_COMP_DW0(phy), 0, COMP_INIT); + intel_de_rmw(dev_priv, ICL_PORT_CL_DW5(phy), + 0, CL_POWER_DOWN_ENABLE); } } @@ -387,8 +375,6 @@ static void icl_combo_phys_uninit(struct drm_i915_private *dev_priv) enum phy phy; for_each_combo_phy_reverse(dev_priv, phy) { - u32 val; - if (phy == PHY_A && !icl_combo_phy_verify_state(dev_priv, phy)) { if (IS_TIGERLAKE(dev_priv) || IS_DG1(dev_priv)) { @@ -410,14 +396,11 @@ static void icl_combo_phys_uninit(struct drm_i915_private *dev_priv) if (!has_phy_misc(dev_priv, phy)) goto skip_phy_misc; - val = intel_de_read(dev_priv, ICL_PHY_MISC(phy)); - val |= ICL_PHY_MISC_DE_IO_COMP_PWR_DOWN; - intel_de_write(dev_priv, ICL_PHY_MISC(phy), val); + intel_de_rmw(dev_priv, ICL_PHY_MISC(phy), 0, + ICL_PHY_MISC_DE_IO_COMP_PWR_DOWN); skip_phy_misc: - val = intel_de_read(dev_priv, ICL_PORT_COMP_DW0(phy)); - val &= ~COMP_INIT; - intel_de_write(dev_priv, ICL_PORT_COMP_DW0(phy), val); + intel_de_rmw(dev_priv, ICL_PORT_COMP_DW0(phy), COMP_INIT, 0); } } diff --git a/drivers/gpu/drm/i915/display/intel_dpio_phy.c b/drivers/gpu/drm/i915/display/intel_dpio_phy.c index 7eb7440b31803f..9d825fdaa29055 100644 --- a/drivers/gpu/drm/i915/display/intel_dpio_phy.c +++ b/drivers/gpu/drm/i915/display/intel_dpio_phy.c @@ -389,9 +389,7 @@ static void _bxt_ddi_phy_init(struct drm_i915_private *dev_priv, "force reprogramming it\n", phy); } - val = intel_de_read(dev_priv, BXT_P_CR_GT_DISP_PWRON); - val |= phy_info->pwron_mask; - intel_de_write(dev_priv, BXT_P_CR_GT_DISP_PWRON, val); + intel_de_rmw(dev_priv, BXT_P_CR_GT_DISP_PWRON, 0, phy_info->pwron_mask); /* * The PHY registers start out inaccessible and respond to reads with @@ -410,27 +408,19 @@ static void _bxt_ddi_phy_init(struct drm_i915_private *dev_priv, phy); /* Program PLL Rcomp code offset */ - val = intel_de_read(dev_priv, BXT_PORT_CL1CM_DW9(phy)); - val &= ~IREF0RC_OFFSET_MASK; - val |= 0xE4 << IREF0RC_OFFSET_SHIFT; - intel_de_write(dev_priv, BXT_PORT_CL1CM_DW9(phy), val); + intel_de_rmw(dev_priv, BXT_PORT_CL1CM_DW9(phy), IREF0RC_OFFSET_MASK, + 0xE4 << IREF0RC_OFFSET_SHIFT); - val = intel_de_read(dev_priv, BXT_PORT_CL1CM_DW10(phy)); - val &= ~IREF1RC_OFFSET_MASK; - val |= 0xE4 << IREF1RC_OFFSET_SHIFT; - intel_de_write(dev_priv, BXT_PORT_CL1CM_DW10(phy), val); + intel_de_rmw(dev_priv, BXT_PORT_CL1CM_DW10(phy), IREF1RC_OFFSET_MASK, + 0xE4 << IREF1RC_OFFSET_SHIFT); /* Program power gating */ - val = intel_de_read(dev_priv, BXT_PORT_CL1CM_DW28(phy)); - val |= OCL1_POWER_DOWN_EN | DW28_OLDO_DYN_PWR_DOWN_EN | - SUS_CLK_CONFIG; - intel_de_write(dev_priv, BXT_PORT_CL1CM_DW28(phy), val); - - if (phy_info->dual_channel) { - val = intel_de_read(dev_priv, BXT_PORT_CL2CM_DW6(phy)); - val |= DW6_OLDO_DYN_PWR_DOWN_EN; - intel_de_write(dev_priv, BXT_PORT_CL2CM_DW6(phy), val); - } + intel_de_rmw(dev_priv, BXT_PORT_CL1CM_DW28(phy), 0, + OCL1_POWER_DOWN_EN | DW28_OLDO_DYN_PWR_DOWN_EN | SUS_CLK_CONFIG); + + if (phy_info->dual_channel) + intel_de_rmw(dev_priv, BXT_PORT_CL2CM_DW6(phy), 0, + DW6_OLDO_DYN_PWR_DOWN_EN); if (phy_info->rcomp_phy != -1) { u32 grc_code; @@ -448,34 +438,25 @@ static void _bxt_ddi_phy_init(struct drm_i915_private *dev_priv, val << GRC_CODE_SLOW_SHIFT | val; intel_de_write(dev_priv, BXT_PORT_REF_DW6(phy), grc_code); - - val = intel_de_read(dev_priv, BXT_PORT_REF_DW8(phy)); - val |= GRC_DIS | GRC_RDY_OVRD; - intel_de_write(dev_priv, BXT_PORT_REF_DW8(phy), val); + intel_de_rmw(dev_priv, BXT_PORT_REF_DW8(phy), + 0, GRC_DIS | GRC_RDY_OVRD); } if (phy_info->reset_delay) udelay(phy_info->reset_delay); - val = intel_de_read(dev_priv, BXT_PHY_CTL_FAMILY(phy)); - val |= COMMON_RESET_DIS; - intel_de_write(dev_priv, BXT_PHY_CTL_FAMILY(phy), val); + intel_de_rmw(dev_priv, BXT_PHY_CTL_FAMILY(phy), 0, COMMON_RESET_DIS); } void bxt_ddi_phy_uninit(struct drm_i915_private *dev_priv, enum dpio_phy phy) { const struct bxt_ddi_phy_info *phy_info; - u32 val; phy_info = bxt_get_phy_info(dev_priv, phy); - val = intel_de_read(dev_priv, BXT_PHY_CTL_FAMILY(phy)); - val &= ~COMMON_RESET_DIS; - intel_de_write(dev_priv, BXT_PHY_CTL_FAMILY(phy), val); + intel_de_rmw(dev_priv, BXT_PHY_CTL_FAMILY(phy), COMMON_RESET_DIS, 0); - val = intel_de_read(dev_priv, BXT_P_CR_GT_DISP_PWRON); - val &= ~phy_info->pwron_mask; - intel_de_write(dev_priv, BXT_P_CR_GT_DISP_PWRON, val); + intel_de_rmw(dev_priv, BXT_P_CR_GT_DISP_PWRON, phy_info->pwron_mask, 0); } void bxt_ddi_phy_init(struct drm_i915_private *dev_priv, enum dpio_phy phy)