From patchwork Wed Apr 4 16:40:42 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sean Paul X-Patchwork-Id: 10322905 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 96DC060390 for ; Wed, 4 Apr 2018 16:41:04 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 86A5528791 for ; Wed, 4 Apr 2018 16:41:04 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7BA2728F7F; Wed, 4 Apr 2018 16:41:04 +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=-4.1 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_MED,T_DKIM_INVALID 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 C6D0928791 for ; Wed, 4 Apr 2018 16:41:03 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 4D0BE6E49F; Wed, 4 Apr 2018 16:40:58 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail-yb0-x243.google.com (mail-yb0-x243.google.com [IPv6:2607:f8b0:4002:c09::243]) by gabe.freedesktop.org (Postfix) with ESMTPS id 22A796E478 for ; Wed, 4 Apr 2018 16:40:54 +0000 (UTC) Received: by mail-yb0-x243.google.com with SMTP id d7-v6so8534304ybn.9 for ; Wed, 04 Apr 2018 09:40:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=D4uyFDr+UcTDEiMyYmFoERHvVns/CBKzvLelDY0LjzQ=; b=HiSA1C5b1zE3euTfYDwONW1YB3Js1Of1YvAvWHagG8Y1uTLoqTonDzM9gL8nyEUlZn vpaPgvVU61n3MfqpJCpWn/3799JDe2fJ6joFPC4i38tacg3wTqcKA3DrCd3nOaqFZhsy dKqDENjCUtzFoPnIss0k/Ytq6Z1MODxyMwJiQ= 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; bh=D4uyFDr+UcTDEiMyYmFoERHvVns/CBKzvLelDY0LjzQ=; b=ethVQbAi379AvueN3DoGF5WyoW2hWWhJoyiOrqUyeeysPa6CgtlUgLVhlLcVmbcdQt soJs5c3Q9UmSfIMHV3Yj5ZymY44ZtpVLpc69+C3IbkdYaPMAGMubR5k+xBTnnCMwVCMJ jzWADUOdpz/BaBv0SGnz/6/isYr6FVE7HUcU3w0HxzuNRqcKgiARQlCxjlMJbxSWvkGx LpsxhaLfkPhOClqP+jxYngiUGJqyPEVMYh1GygJuiKNkXkuGrN7NStyPjkRFwxae4lGG 1ANTQd/xJp+bQPJ7j5xbhriWJVyYtjtiMZIr7TFTXhuqwj2F/FwP2XjX3rykM6ngDTsx lXig== X-Gm-Message-State: ALQs6tD/UCBFXd3cSJDzle9X/Dl5TeGkTbWDkdo9lblQTrugv7gW6e4b BwQRgoGZ31X6tDKJJUsFHm37HQ== X-Google-Smtp-Source: AIpwx4/UTOtLri9Y7UKLNs1snGMESYpd627AV36E7JXg2vVXVl+796m/uPprOx6YG0WfFFtBtMOYfw== X-Received: by 10.129.241.15 with SMTP id h15mr2512583ywm.122.1522860053084; Wed, 04 Apr 2018 09:40:53 -0700 (PDT) Received: from rosewood.cam.corp.google.com ([2620:0:1013:11:ad55:b1db:adfe:3b9f]) by smtp.gmail.com with ESMTPSA id p124sm2221027ywf.20.2018.04.04.09.40.52 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 04 Apr 2018 09:40:52 -0700 (PDT) From: Sean Paul To: freedreno@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org Subject: [PATCH v4 3/9] drm/msm: Don't subclass drm_atomic_state anymore Date: Wed, 4 Apr 2018 12:40:42 -0400 Message-Id: <20180404164048.42126-4-seanpaul@chromium.org> X-Mailer: git-send-email 2.17.0.484.g0c8726318c-goog In-Reply-To: <20180404164048.42126-1-seanpaul@chromium.org> References: <20180404164048.42126-1-seanpaul@chromium.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: abhinavk@codeaurora.org, hoegsberg@chromium.org MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP From: Archit Taneja With the addition of "private_objs" in drm_atomic_state, we no longer need to subclass drm_atomic_state to store state of share resources that don't perfectly fit within planes/crtc/connector state information. We can now save this state within drm_atomic_state itself using the private objects. Remove the infrastructure that allowed subclassing of drm_atomic_state in the driver. Changes in v3: - Added to the msm atomic helper patch set Changes in v4: - None Signed-off-by: Archit Taneja Signed-off-by: Rob Clark Signed-off-by: Sean Paul --- drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c | 46 ------------------------ drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.h | 22 ------------ drivers/gpu/drm/msm/msm_atomic.c | 31 ---------------- drivers/gpu/drm/msm/msm_drv.c | 3 -- drivers/gpu/drm/msm/msm_kms.h | 14 -------- 5 files changed, 116 deletions(-) diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c b/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c index 6ada098dba0b..6e12e275deba 100644 --- a/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c +++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c @@ -70,42 +70,6 @@ static int mdp5_hw_init(struct msm_kms *kms) return 0; } -struct mdp5_state *mdp5_get_state(struct drm_atomic_state *s) -{ - struct msm_drm_private *priv = s->dev->dev_private; - struct mdp5_kms *mdp5_kms = to_mdp5_kms(to_mdp_kms(priv->kms)); - struct msm_kms_state *state = to_kms_state(s); - struct mdp5_state *new_state; - int ret; - - if (state->state) - return state->state; - - ret = drm_modeset_lock(&mdp5_kms->state_lock, s->acquire_ctx); - if (ret) - return ERR_PTR(ret); - - new_state = kmalloc(sizeof(*mdp5_kms->state), GFP_KERNEL); - if (!new_state) - return ERR_PTR(-ENOMEM); - - /* Copy state: */ - new_state->hwpipe = mdp5_kms->state->hwpipe; - new_state->hwmixer = mdp5_kms->state->hwmixer; - if (mdp5_kms->smp) - new_state->smp = mdp5_kms->state->smp; - - state->state = new_state; - - return new_state; -} - -static void mdp5_swap_state(struct msm_kms *kms, struct drm_atomic_state *state) -{ - struct mdp5_kms *mdp5_kms = to_mdp5_kms(to_mdp_kms(kms)); - swap(to_kms_state(state)->state, mdp5_kms->state); -} - /* Global/shared object state funcs */ /* @@ -315,7 +279,6 @@ static const struct mdp_kms_funcs kms_funcs = { .irq = mdp5_irq, .enable_vblank = mdp5_enable_vblank, .disable_vblank = mdp5_disable_vblank, - .swap_state = mdp5_swap_state, .prepare_commit = mdp5_prepare_commit, .complete_commit = mdp5_complete_commit, .wait_for_crtc_commit_done = mdp5_wait_for_crtc_commit_done, @@ -815,8 +778,6 @@ static void mdp5_destroy(struct platform_device *pdev) drm_atomic_private_obj_fini(&mdp5_kms->glob_state); drm_modeset_lock_fini(&mdp5_kms->glob_state_lock); - - kfree(mdp5_kms->state); } static int construct_pipes(struct mdp5_kms *mdp5_kms, int cnt, @@ -969,13 +930,6 @@ static int mdp5_init(struct platform_device *pdev, struct drm_device *dev) mdp5_kms->dev = dev; mdp5_kms->pdev = pdev; - drm_modeset_lock_init(&mdp5_kms->state_lock); - mdp5_kms->state = kzalloc(sizeof(*mdp5_kms->state), GFP_KERNEL); - if (!mdp5_kms->state) { - ret = -ENOMEM; - goto fail; - } - ret = mdp5_global_obj_init(mdp5_kms); if (ret) goto fail; diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.h b/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.h index 76f0ddfca322..854dfd30e829 100644 --- a/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.h +++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.h @@ -28,8 +28,6 @@ #include "mdp5_ctl.h" #include "mdp5_smp.h" -struct mdp5_state; - struct mdp5_kms { struct mdp_kms base; @@ -49,12 +47,6 @@ struct mdp5_kms { struct mdp5_cfg_handler *cfg; uint32_t caps; /* MDP capabilities (MDP_CAP_XXX bits) */ - /** - * Global atomic state. Do not access directly, use mdp5_get_state() - */ - struct mdp5_state *state; - struct drm_modeset_lock state_lock; - /* * Global private object state, Do not access directly, use * mdp5_global_get_state() @@ -88,20 +80,6 @@ struct mdp5_kms { }; #define to_mdp5_kms(x) container_of(x, struct mdp5_kms, base) -/* Global atomic state for tracking resources that are shared across - * multiple kms objects (planes/crtcs/etc). - * - * For atomic updates which require modifying global state, - */ -struct mdp5_state { - struct mdp5_hw_pipe_state hwpipe; - struct mdp5_hw_mixer_state hwmixer; - struct mdp5_smp_state smp; -}; - -struct mdp5_state *__must_check -mdp5_get_state(struct drm_atomic_state *s); - /* Global private object state for tracking resources that are shared across * multiple kms objects (planes/crtcs/etc). */ diff --git a/drivers/gpu/drm/msm/msm_atomic.c b/drivers/gpu/drm/msm/msm_atomic.c index bf5f8c39f34d..9d0a0ca1f0cb 100644 --- a/drivers/gpu/drm/msm/msm_atomic.c +++ b/drivers/gpu/drm/msm/msm_atomic.c @@ -224,11 +224,7 @@ int msm_atomic_commit(struct drm_device *dev, * This is the point of no return - everything below never fails except * when the hw goes bonghits. Which means we can commit the new state on * the software side now. - * - * swap driver private state while still holding state_lock */ - if (to_kms_state(state)->state) - priv->kms->funcs->swap_state(priv->kms, state); /* * Everything below can be run asynchronously without the need to grab @@ -262,30 +258,3 @@ int msm_atomic_commit(struct drm_device *dev, drm_atomic_helper_cleanup_planes(dev, state); return ret; } - -struct drm_atomic_state *msm_atomic_state_alloc(struct drm_device *dev) -{ - struct msm_kms_state *state = kzalloc(sizeof(*state), GFP_KERNEL); - - if (!state || drm_atomic_state_init(dev, &state->base) < 0) { - kfree(state); - return NULL; - } - - return &state->base; -} - -void msm_atomic_state_clear(struct drm_atomic_state *s) -{ - struct msm_kms_state *state = to_kms_state(s); - drm_atomic_state_default_clear(&state->base); - kfree(state->state); - state->state = NULL; -} - -void msm_atomic_state_free(struct drm_atomic_state *state) -{ - kfree(to_kms_state(state)->state); - drm_atomic_state_default_release(state); - kfree(state); -} diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c index 30cd514d8f7c..1c89195da4ff 100644 --- a/drivers/gpu/drm/msm/msm_drv.c +++ b/drivers/gpu/drm/msm/msm_drv.c @@ -42,9 +42,6 @@ static const struct drm_mode_config_funcs mode_config_funcs = { .output_poll_changed = drm_fb_helper_output_poll_changed, .atomic_check = drm_atomic_helper_check, .atomic_commit = msm_atomic_commit, - .atomic_state_alloc = msm_atomic_state_alloc, - .atomic_state_clear = msm_atomic_state_clear, - .atomic_state_free = msm_atomic_state_free, }; #ifdef CONFIG_DRM_MSM_REGISTER_LOGGING diff --git a/drivers/gpu/drm/msm/msm_kms.h b/drivers/gpu/drm/msm/msm_kms.h index 17d5824417ad..f0842b963df1 100644 --- a/drivers/gpu/drm/msm/msm_kms.h +++ b/drivers/gpu/drm/msm/msm_kms.h @@ -40,8 +40,6 @@ struct msm_kms_funcs { irqreturn_t (*irq)(struct msm_kms *kms); int (*enable_vblank)(struct msm_kms *kms, struct drm_crtc *crtc); void (*disable_vblank)(struct msm_kms *kms, struct drm_crtc *crtc); - /* swap global atomic state: */ - void (*swap_state)(struct msm_kms *kms, struct drm_atomic_state *state); /* modeset, bracketing atomic_commit(): */ void (*prepare_commit)(struct msm_kms *kms, struct drm_atomic_state *state); void (*complete_commit)(struct msm_kms *kms, struct drm_atomic_state *state); @@ -77,18 +75,6 @@ struct msm_kms { struct msm_gem_address_space *aspace; }; -/** - * Subclass of drm_atomic_state, to allow kms backend to have driver - * private global state. The kms backend can do whatever it wants - * with the ->state ptr. On ->atomic_state_clear() the ->state ptr - * is kfree'd and set back to NULL. - */ -struct msm_kms_state { - struct drm_atomic_state base; - void *state; -}; -#define to_kms_state(x) container_of(x, struct msm_kms_state, base) - static inline void msm_kms_init(struct msm_kms *kms, const struct msm_kms_funcs *funcs) {