From patchwork Wed Dec 1 22:26:32 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Baryshkov X-Patchwork-Id: 519880 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 22C16C433EF for ; Wed, 1 Dec 2021 22:27:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1353612AbhLAWaY (ORCPT ); Wed, 1 Dec 2021 17:30:24 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44194 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1353635AbhLAWaF (ORCPT ); Wed, 1 Dec 2021 17:30:05 -0500 Received: from mail-lj1-x22e.google.com (mail-lj1-x22e.google.com [IPv6:2a00:1450:4864:20::22e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 77D84C061748 for ; Wed, 1 Dec 2021 14:26:43 -0800 (PST) Received: by mail-lj1-x22e.google.com with SMTP id 13so50997511ljj.11 for ; Wed, 01 Dec 2021 14:26:43 -0800 (PST) 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=notfP1OjEVUqD6diGKORg1DThS/PAwpugZOcLB9s/EA=; b=ZZGVpSp7W4jOs0K9u4b2fTnl5kl7vhEGXXkuvxlVjtCszqbtXjGuFb8vje5A+szfZW FTQgx4ZueemhIKSm3WYUKCTLNGcywo7gcEpvDPR+J5UiGU24IE/j7NP/sxjsCfhu0ZL6 d/0GS708qj78XgC4g7W4oboBS1DHex743wN3IBd6thSSBEljAI7g6pdMag2+4om9qhuz 5CVCPmufGz8yw/b+pq1pbLBEkADlX+A4Xqpd5HScmidKEncpZLDqjqPifUUguSYrh8jW M7XgXPh6T4NVIBEG2U+CsoBclbI7uMmPc7s1mdEhaELXlDgM5I/3EqAOie+HSa4T7kVa /dqw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=notfP1OjEVUqD6diGKORg1DThS/PAwpugZOcLB9s/EA=; b=HcTKxSo7m9EA93nZ0e5Z55WgRIpjFgs2k3BQdyZQNccZhxUfZdZsC79vLubmLIME6W i/B1pBE61KsP7XR/40hwL+zFb70WGhAZqNLv+dJa+NIx4tIqhVxZbl+AtWFbmEZMUKBk 0qTnLAiplAP6hyCD9DOJt0dzQrDkKfluWtPHlOTfo2P5QcWFjFqbqwCl5QDznuSRmirz +rIQEyEdJruN9FqI3qx7VnfCyHwVdjA9xw/RTwD/vmK0O3kkeqqZizzh6E+VArznllUC /2v5VwaNBIQswOqU4dtbdBob9HKixb8sRy58iJsBUc7syt0T/F1BJqCV9QnZAq0Nh/X9 6W2A== X-Gm-Message-State: AOAM533aFwG7lrHHkH4i4R8MIuvqICBWRUeyHPb2jpBMnCzP+X8bGi6M aKNo9+Eg2EaQ9oQw0Zuyz5BLIA== X-Google-Smtp-Source: ABdhPJytnX+M9vOm2nMGuL3tsKyRcli/SIULb4mjqlSF+xtcKtWFR/Yu3z4oSEoJWHgEzhZ3EWFFyA== X-Received: by 2002:a05:651c:210f:: with SMTP id a15mr8000910ljq.486.1638397601658; Wed, 01 Dec 2021 14:26:41 -0800 (PST) Received: from eriador.lan ([37.153.55.125]) by smtp.gmail.com with ESMTPSA id u7sm117004lfs.144.2021.12.01.14.26.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 01 Dec 2021 14:26:41 -0800 (PST) From: Dmitry Baryshkov To: Bjorn Andersson , Rob Clark , Sean Paul , Abhinav Kumar Cc: Stephen Boyd , David Airlie , Daniel Vetter , linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org Subject: [PATCH v1 7/8] drm/msm/dpu: simplify DPU's regset32 code Date: Thu, 2 Dec 2021 01:26:32 +0300 Message-Id: <20211201222633.2476780-8-dmitry.baryshkov@linaro.org> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20211201222633.2476780-1-dmitry.baryshkov@linaro.org> References: <20211201222633.2476780-1-dmitry.baryshkov@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Squash dpu_debugfs_setup_regset32() into dpu_debugfs_create_regset32(). it makes little sense to have separate function to just setup the structure. Signed-off-by: Dmitry Baryshkov Reviewed-by: Abhinav Kumar --- drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 32 ++++++++++++------- drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h | 38 +++-------------------- drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c | 27 +++++----------- 3 files changed, 33 insertions(+), 64 deletions(-) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c index 4c04982c71b2..7e7a619769a8 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c @@ -182,6 +182,15 @@ static void dpu_debugfs_danger_init(struct dpu_kms *dpu_kms, } +/* + * Companion structure for dpu_debugfs_create_regset32. + */ +struct dpu_debugfs_regset32 { + uint32_t offset; + uint32_t blk_len; + struct dpu_kms *dpu_kms; +}; + static int _dpu_debugfs_show_regset32(struct seq_file *s, void *data) { struct dpu_debugfs_regset32 *regset = s->private; @@ -229,24 +238,23 @@ static const struct file_operations dpu_fops_regset32 = { .release = single_release, }; -void dpu_debugfs_setup_regset32(struct dpu_debugfs_regset32 *regset, +void dpu_debugfs_create_regset32(const char *name, umode_t mode, + void *parent, uint32_t offset, uint32_t length, struct dpu_kms *dpu_kms) { - if (regset) { - regset->offset = offset; - regset->blk_len = length; - regset->dpu_kms = dpu_kms; - } -} + struct dpu_debugfs_regset32 *regset; -void dpu_debugfs_create_regset32(const char *name, umode_t mode, - void *parent, struct dpu_debugfs_regset32 *regset) -{ - if (!name || !regset || !regset->dpu_kms || !regset->blk_len) + if (WARN_ON(!name || !dpu_kms || !length)) + return; + + regset = devm_kzalloc(&dpu_kms->pdev->dev, sizeof(*regset), GFP_KERNEL); + if (!regset) return; /* make sure offset is a multiple of 4 */ - regset->offset = round_down(regset->offset, 4); + regset->offset = round_down(offset, 4); + regset->blk_len = length; + regset->dpu_kms = dpu_kms; debugfs_create_file(name, mode, parent, regset, &dpu_fops_regset32); } diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h index 775bcbda860f..b53cdeb1b5c4 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h @@ -160,33 +160,9 @@ struct dpu_global_state * * Documentation/filesystems/debugfs.rst * - * @dpu_debugfs_setup_regset32: Initialize data for dpu_debugfs_create_regset32 * @dpu_debugfs_create_regset32: Create 32-bit register dump file - * @dpu_debugfs_get_root: Get root dentry for DPU_KMS's debugfs node */ -/** - * Companion structure for dpu_debugfs_create_regset32. Do not initialize the - * members of this structure explicitly; use dpu_debugfs_setup_regset32 instead. - */ -struct dpu_debugfs_regset32 { - uint32_t offset; - uint32_t blk_len; - struct dpu_kms *dpu_kms; -}; - -/** - * dpu_debugfs_setup_regset32 - Initialize register block definition for debugfs - * This function is meant to initialize dpu_debugfs_regset32 structures for use - * with dpu_debugfs_create_regset32. - * @regset: opaque register definition structure - * @offset: sub-block offset - * @length: sub-block length, in bytes - * @dpu_kms: pointer to dpu kms structure - */ -void dpu_debugfs_setup_regset32(struct dpu_debugfs_regset32 *regset, - uint32_t offset, uint32_t length, struct dpu_kms *dpu_kms); - /** * dpu_debugfs_create_regset32 - Create register read back file for debugfs * @@ -195,20 +171,16 @@ void dpu_debugfs_setup_regset32(struct dpu_debugfs_regset32 *regset, * names/offsets do not need to be provided. The 'read' function simply outputs * sequential register values over a specified range. * - * Similar to the related debugfs_create_regset32 API, the structure pointed to - * by regset needs to persist for the lifetime of the created file. The calling - * code is responsible for initialization/management of this structure. - * - * The structure pointed to by regset is meant to be opaque. Please use - * dpu_debugfs_setup_regset32 to initialize it. - * * @name: File name within debugfs * @mode: File mode within debugfs * @parent: Parent directory entry within debugfs, can be NULL - * @regset: Pointer to persistent register block definition + * @offset: sub-block offset + * @length: sub-block length, in bytes + * @dpu_kms: pointer to dpu kms structure */ void dpu_debugfs_create_regset32(const char *name, umode_t mode, - void *parent, struct dpu_debugfs_regset32 *regset); + void *parent, + uint32_t offset, uint32_t length, struct dpu_kms *dpu_kms); /** * dpu_debugfs_get_root - Return root directory entry for KMS's debugfs diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c index d3176f58708e..ef66af696a40 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c @@ -108,11 +108,6 @@ struct dpu_plane { bool is_virtual; struct list_head mplane_list; struct dpu_mdss_cfg *catalog; - - /* debugfs related stuff */ - struct dpu_debugfs_regset32 debugfs_src; - struct dpu_debugfs_regset32 debugfs_scaler; - struct dpu_debugfs_regset32 debugfs_csc; }; static const uint64_t supported_format_modifiers[] = { @@ -1379,35 +1374,29 @@ static int _dpu_plane_init_debugfs(struct drm_plane *plane) debugfs_root, (unsigned long *)&pdpu->pipe_hw->cap->features); /* add register dump support */ - dpu_debugfs_setup_regset32(&pdpu->debugfs_src, + dpu_debugfs_create_regset32("src_blk", 0400, + debugfs_root, sblk->src_blk.base + cfg->base, sblk->src_blk.len, kms); - dpu_debugfs_create_regset32("src_blk", 0400, - debugfs_root, &pdpu->debugfs_src); if (cfg->features & BIT(DPU_SSPP_SCALER_QSEED3) || cfg->features & BIT(DPU_SSPP_SCALER_QSEED3LITE) || cfg->features & BIT(DPU_SSPP_SCALER_QSEED2) || - cfg->features & BIT(DPU_SSPP_SCALER_QSEED4)) { - dpu_debugfs_setup_regset32(&pdpu->debugfs_scaler, + cfg->features & BIT(DPU_SSPP_SCALER_QSEED4)) + dpu_debugfs_create_regset32("scaler_blk", 0400, + debugfs_root, sblk->scaler_blk.base + cfg->base, sblk->scaler_blk.len, kms); - dpu_debugfs_create_regset32("scaler_blk", 0400, - debugfs_root, - &pdpu->debugfs_scaler); - } if (cfg->features & BIT(DPU_SSPP_CSC) || - cfg->features & BIT(DPU_SSPP_CSC_10BIT)) { - dpu_debugfs_setup_regset32(&pdpu->debugfs_csc, + cfg->features & BIT(DPU_SSPP_CSC_10BIT)) + dpu_debugfs_create_regset32("csc_blk", 0400, + debugfs_root, sblk->csc_blk.base + cfg->base, sblk->csc_blk.len, kms); - dpu_debugfs_create_regset32("csc_blk", 0400, - debugfs_root, &pdpu->debugfs_csc); - } debugfs_create_u32("xin_id", 0400,