From patchwork Sat Dec 8 02:38:38 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jeykumar Sankaran X-Patchwork-Id: 10719157 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id F2A9918A7 for ; Sat, 8 Dec 2018 02:39:23 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E38B52D725 for ; Sat, 8 Dec 2018 02:39:23 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D7E3E2D74E; Sat, 8 Dec 2018 02:39:23 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 63A4C2D725 for ; Sat, 8 Dec 2018 02:39:23 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E8F536E901; Sat, 8 Dec 2018 02:39:18 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from smtp.codeaurora.org (smtp.codeaurora.org [198.145.29.96]) by gabe.freedesktop.org (Postfix) with ESMTPS id 79E926E8FC; Sat, 8 Dec 2018 02:39:17 +0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 3B66061308; Sat, 8 Dec 2018 02:39:15 +0000 (UTC) Received: from jeykumar-linux.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: jsanka@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id DB25560CEC; Sat, 8 Dec 2018 02:39:12 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org DB25560CEC From: Jeykumar Sankaran To: dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-arm-msm@vger.kernel.org Subject: [PATCH v2 6/6] drm/msm/dpu: maintain hw_mdp in kms Date: Fri, 7 Dec 2018 18:38:38 -0800 Message-Id: <1544236718-26900-7-git-send-email-jsanka@codeaurora.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1544236718-26900-1-git-send-email-jsanka@codeaurora.org> References: <1544236718-26900-1-git-send-email-jsanka@codeaurora.org> X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: hoegsberg@google.com, seanpaul@chromium.org MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP hw_mdp block is common for displays. No need to reserve per display. changes in v2: - use IS_ERR for error checking (Jordan Crouse) Signed-off-by: Jeykumar Sankaran Reviewed-by: Sean Paul --- drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 11 +++++++---- drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c | 20 -------------------- drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h | 10 ---------- 3 files changed, 7 insertions(+), 34 deletions(-) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c index 1ecd04a..f489526 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c @@ -627,6 +627,10 @@ static void _dpu_kms_hw_destroy(struct dpu_kms *dpu_kms) devm_iounmap(&dpu_kms->pdev->dev, dpu_kms->vbif[VBIF_RT]); dpu_kms->vbif[VBIF_RT] = NULL; + if (dpu_kms->hw_mdp) + dpu_hw_mdp_destroy(dpu_kms->hw_mdp); + dpu_kms->hw_mdp = NULL; + if (dpu_kms->mmio) devm_iounmap(&dpu_kms->pdev->dev, dpu_kms->mmio); dpu_kms->mmio = NULL; @@ -885,11 +889,10 @@ static int dpu_kms_hw_init(struct msm_kms *kms) dpu_kms->rm_init = true; - dpu_kms->hw_mdp = dpu_rm_get_mdp(&dpu_kms->rm); - if (IS_ERR_OR_NULL(dpu_kms->hw_mdp)) { + dpu_kms->hw_mdp = dpu_hw_mdptop_init(MDP_TOP, dpu_kms->mmio, + dpu_kms->catalog); + if (IS_ERR(dpu_kms->hw_mdp)) { rc = PTR_ERR(dpu_kms->hw_mdp); - if (!dpu_kms->hw_mdp) - rc = -EINVAL; DPU_ERROR("failed to get hw_mdp: %d\n", rc); dpu_kms->hw_mdp = NULL; goto power_error; diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c index e7fc9a4..037d9f4 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c @@ -49,11 +49,6 @@ struct dpu_rm_hw_blk { struct dpu_hw_blk *hw; }; -struct dpu_hw_mdp *dpu_rm_get_mdp(struct dpu_rm *rm) -{ - return rm->hw_mdp; -} - void dpu_rm_init_hw_iter( struct dpu_rm_hw_iter *iter, uint32_t enc_id, @@ -148,9 +143,6 @@ int dpu_rm_destroy(struct dpu_rm *rm) } } - dpu_hw_mdp_destroy(rm->hw_mdp); - rm->hw_mdp = NULL; - mutex_destroy(&rm->rm_lock); return 0; @@ -165,11 +157,8 @@ static int _dpu_rm_hw_blk_create( void *hw_catalog_info) { struct dpu_rm_hw_blk *blk; - struct dpu_hw_mdp *hw_mdp; void *hw; - hw_mdp = rm->hw_mdp; - switch (type) { case DPU_HW_BLK_LM: hw = dpu_hw_lm_init(id, mmio, cat); @@ -233,15 +222,6 @@ int dpu_rm_init(struct dpu_rm *rm, for (type = 0; type < DPU_HW_BLK_MAX; type++) INIT_LIST_HEAD(&rm->hw_blks[type]); - /* Some of the sub-blocks require an mdptop to be created */ - rm->hw_mdp = dpu_hw_mdptop_init(MDP_TOP, mmio, cat); - if (IS_ERR_OR_NULL(rm->hw_mdp)) { - rc = PTR_ERR(rm->hw_mdp); - rm->hw_mdp = NULL; - DPU_ERROR("failed: mdp hw not available\n"); - goto fail; - } - /* Interrogate HW catalog and create tracking items for hw blocks */ for (i = 0; i < cat->mixer_count; i++) { struct dpu_lm_cfg *lm = &cat->mixer[i]; diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h index eb6a6ac..381611f 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h @@ -24,13 +24,11 @@ * struct dpu_rm - DPU dynamic hardware resource manager * @hw_blks: array of lists of hardware resources present in the system, one * list per type of hardware block - * @hw_mdp: hardware object for mdp_top * @lm_max_width: cached layer mixer maximum width * @rm_lock: resource manager mutex */ struct dpu_rm { struct list_head hw_blks[DPU_HW_BLK_MAX]; - struct dpu_hw_mdp *hw_mdp; uint32_t lm_max_width; struct mutex rm_lock; }; @@ -104,14 +102,6 @@ int dpu_rm_reserve(struct dpu_rm *rm, void dpu_rm_release(struct dpu_rm *rm, struct drm_encoder *enc); /** - * dpu_rm_get_mdp - Retrieve HW block for MDP TOP. - * This is never reserved, and is usable by any display. - * @rm: DPU Resource Manager handle - * @Return: Pointer to hw block or NULL - */ -struct dpu_hw_mdp *dpu_rm_get_mdp(struct dpu_rm *rm); - -/** * dpu_rm_init_hw_iter - setup given iterator for new iteration over hw list * using dpu_rm_get_hw * @iter: iter object to initialize