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[46.59.230.36]) by mx.google.com with ESMTPSA id l5sm16332642bko.7.1969.12.31.16.00.00 (version=TLSv1.2 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 07 Oct 2013 01:36:46 -0700 (PDT) From: Thierry Reding To: dri-devel@lists.freedesktop.org Subject: [PATCH v2 03/27] drm/tegra: Rename host1x_drm structure to tegra_drm Date: Mon, 7 Oct 2013 10:34:20 +0200 Message-Id: <1381134884-5816-4-git-send-email-treding@nvidia.com> X-Mailer: git-send-email 1.8.4 In-Reply-To: <1381134884-5816-1-git-send-email-treding@nvidia.com> References: <1381134884-5816-1-git-send-email-treding@nvidia.com> Cc: linux-tegra@vger.kernel.org, devicetree@vger.kernel.org X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: dri-devel-bounces+patchwork-dri-devel=patchwork.kernel.org@lists.freedesktop.org Errors-To: dri-devel-bounces+patchwork-dri-devel=patchwork.kernel.org@lists.freedesktop.org X-Spam-Status: No, score=-4.3 required=5.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED, FREEMAIL_FROM, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, T_DKIM_INVALID, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The host1x and Tegra DRM drivers are currently tightly coupled. Renaming the structure marks the boundary more clearly. Signed-off-by: Thierry Reding --- drivers/gpu/host1x/dev.c | 2 +- drivers/gpu/host1x/drm/dc.c | 8 +- drivers/gpu/host1x/drm/drm.c | 169 ++++++++++++++++++------------------- drivers/gpu/host1x/drm/drm.h | 18 ++-- drivers/gpu/host1x/drm/fb.c | 14 +-- drivers/gpu/host1x/drm/gr2d.c | 8 +- drivers/gpu/host1x/drm/hdmi.c | 8 +- drivers/gpu/host1x/host1x_client.h | 4 +- 8 files changed, 115 insertions(+), 116 deletions(-) diff --git a/drivers/gpu/host1x/dev.c b/drivers/gpu/host1x/dev.c index 4716302..0f7b44c 100644 --- a/drivers/gpu/host1x/dev.c +++ b/drivers/gpu/host1x/dev.c @@ -163,7 +163,7 @@ static int host1x_probe(struct platform_device *pdev) host1x_debug_init(host); - host1x_drm_alloc(pdev); + tegra_drm_alloc(pdev); return 0; diff --git a/drivers/gpu/host1x/drm/dc.c b/drivers/gpu/host1x/drm/dc.c index b1a05ad..c4765b3 100644 --- a/drivers/gpu/host1x/drm/dc.c +++ b/drivers/gpu/host1x/drm/dc.c @@ -1109,7 +1109,7 @@ static const struct host1x_client_ops dc_client_ops = { static int tegra_dc_probe(struct platform_device *pdev) { - struct host1x_drm *host1x = host1x_get_drm_data(pdev->dev.parent); + struct tegra_drm *tegra = host1x_get_drm_data(pdev->dev.parent); struct resource *regs; struct tegra_dc *dc; int err; @@ -1153,7 +1153,7 @@ static int tegra_dc_probe(struct platform_device *pdev) return err; } - err = host1x_register_client(host1x, &dc->client); + err = host1x_register_client(tegra, &dc->client); if (err < 0) { dev_err(&pdev->dev, "failed to register host1x client: %d\n", err); @@ -1167,11 +1167,11 @@ static int tegra_dc_probe(struct platform_device *pdev) static int tegra_dc_remove(struct platform_device *pdev) { - struct host1x_drm *host1x = host1x_get_drm_data(pdev->dev.parent); + struct tegra_drm *tegra = host1x_get_drm_data(pdev->dev.parent); struct tegra_dc *dc = platform_get_drvdata(pdev); int err; - err = host1x_unregister_client(host1x, &dc->client); + err = host1x_unregister_client(tegra, &dc->client); if (err < 0) { dev_err(&pdev->dev, "failed to unregister host1x client: %d\n", err); diff --git a/drivers/gpu/host1x/drm/drm.c b/drivers/gpu/host1x/drm/drm.c index 8c61cee..7230b40 100644 --- a/drivers/gpu/host1x/drm/drm.c +++ b/drivers/gpu/host1x/drm/drm.c @@ -30,56 +30,55 @@ #define DRIVER_MINOR 0 #define DRIVER_PATCHLEVEL 0 -struct host1x_drm_client { +struct host1x_subdev { struct host1x_client *client; struct device_node *np; struct list_head list; }; -static int host1x_add_drm_client(struct host1x_drm *host1x, - struct device_node *np) +static int host1x_subdev_add(struct tegra_drm *tegra, struct device_node *np) { - struct host1x_drm_client *client; + struct host1x_subdev *subdev; - client = kzalloc(sizeof(*client), GFP_KERNEL); - if (!client) + subdev = kzalloc(sizeof(*subdev), GFP_KERNEL); + if (!subdev) return -ENOMEM; - INIT_LIST_HEAD(&client->list); - client->np = of_node_get(np); + INIT_LIST_HEAD(&subdev->list); + subdev->np = of_node_get(np); - list_add_tail(&client->list, &host1x->drm_clients); + list_add_tail(&subdev->list, &tegra->subdevs); return 0; } -static int host1x_activate_drm_client(struct host1x_drm *host1x, - struct host1x_drm_client *drm, - struct host1x_client *client) +static int host1x_subdev_register(struct tegra_drm *tegra, + struct host1x_subdev *subdev, + struct host1x_client *client) { - mutex_lock(&host1x->drm_clients_lock); - list_del_init(&drm->list); - list_add_tail(&drm->list, &host1x->drm_active); - drm->client = client; - mutex_unlock(&host1x->drm_clients_lock); + mutex_lock(&tegra->subdevs_lock); + list_del_init(&subdev->list); + list_add_tail(&subdev->list, &tegra->active); + subdev->client = client; + mutex_unlock(&tegra->subdevs_lock); return 0; } -static int host1x_remove_drm_client(struct host1x_drm *host1x, - struct host1x_drm_client *client) +static int host1x_subdev_unregister(struct tegra_drm *tegra, + struct host1x_subdev *subdev) { - mutex_lock(&host1x->drm_clients_lock); - list_del_init(&client->list); - mutex_unlock(&host1x->drm_clients_lock); + mutex_lock(&tegra->subdevs_lock); + list_del_init(&subdev->list); + mutex_unlock(&tegra->subdevs_lock); - of_node_put(client->np); - kfree(client); + of_node_put(subdev->np); + kfree(subdev); return 0; } -static int host1x_parse_dt(struct host1x_drm *host1x) +static int tegra_parse_dt(struct tegra_drm *tegra) { static const char * const compat[] = { "nvidia,tegra20-dc", @@ -95,10 +94,10 @@ static int host1x_parse_dt(struct host1x_drm *host1x) for (i = 0; i < ARRAY_SIZE(compat); i++) { struct device_node *np; - for_each_child_of_node(host1x->dev->of_node, np) { + for_each_child_of_node(tegra->dev->of_node, np) { if (of_device_is_compatible(np, compat[i]) && of_device_is_available(np)) { - err = host1x_add_drm_client(host1x, np); + err = host1x_subdev_add(tegra, np); if (err < 0) return err; } @@ -108,108 +107,108 @@ static int host1x_parse_dt(struct host1x_drm *host1x) return 0; } -int host1x_drm_alloc(struct platform_device *pdev) +int tegra_drm_alloc(struct platform_device *pdev) { - struct host1x_drm *host1x; + struct tegra_drm *tegra; int err; - host1x = devm_kzalloc(&pdev->dev, sizeof(*host1x), GFP_KERNEL); - if (!host1x) + tegra = devm_kzalloc(&pdev->dev, sizeof(*tegra), GFP_KERNEL); + if (!tegra) return -ENOMEM; - mutex_init(&host1x->drm_clients_lock); - INIT_LIST_HEAD(&host1x->drm_clients); - INIT_LIST_HEAD(&host1x->drm_active); - mutex_init(&host1x->clients_lock); - INIT_LIST_HEAD(&host1x->clients); - host1x->dev = &pdev->dev; + mutex_init(&tegra->subdevs_lock); + INIT_LIST_HEAD(&tegra->subdevs); + INIT_LIST_HEAD(&tegra->active); + mutex_init(&tegra->clients_lock); + INIT_LIST_HEAD(&tegra->clients); + tegra->dev = &pdev->dev; - err = host1x_parse_dt(host1x); + err = tegra_parse_dt(tegra); if (err < 0) { dev_err(&pdev->dev, "failed to parse DT: %d\n", err); return err; } - host1x_set_drm_data(&pdev->dev, host1x); + host1x_set_drm_data(&pdev->dev, tegra); return 0; } -int host1x_drm_init(struct host1x_drm *host1x, struct drm_device *drm) +int tegra_drm_init(struct tegra_drm *tegra, struct drm_device *drm) { struct host1x_client *client; - mutex_lock(&host1x->clients_lock); + mutex_lock(&tegra->clients_lock); - list_for_each_entry(client, &host1x->clients, list) { + list_for_each_entry(client, &tegra->clients, list) { if (client->ops && client->ops->drm_init) { int err = client->ops->drm_init(client, drm); if (err < 0) { - dev_err(host1x->dev, + dev_err(tegra->dev, "DRM setup failed for %s: %d\n", dev_name(client->dev), err); - mutex_unlock(&host1x->clients_lock); + mutex_unlock(&tegra->clients_lock); return err; } } } - mutex_unlock(&host1x->clients_lock); + mutex_unlock(&tegra->clients_lock); return 0; } -int host1x_drm_exit(struct host1x_drm *host1x) +int tegra_drm_exit(struct tegra_drm *tegra) { - struct platform_device *pdev = to_platform_device(host1x->dev); + struct platform_device *pdev = to_platform_device(tegra->dev); struct host1x_client *client; - if (!host1x->drm) + if (!tegra->drm) return 0; - mutex_lock(&host1x->clients_lock); + mutex_lock(&tegra->clients_lock); - list_for_each_entry_reverse(client, &host1x->clients, list) { + list_for_each_entry_reverse(client, &tegra->clients, list) { if (client->ops && client->ops->drm_exit) { int err = client->ops->drm_exit(client); if (err < 0) { - dev_err(host1x->dev, + dev_err(tegra->dev, "DRM cleanup failed for %s: %d\n", dev_name(client->dev), err); - mutex_unlock(&host1x->clients_lock); + mutex_unlock(&tegra->clients_lock); return err; } } } - mutex_unlock(&host1x->clients_lock); + mutex_unlock(&tegra->clients_lock); drm_platform_exit(&tegra_drm_driver, pdev); - host1x->drm = NULL; + tegra->drm = NULL; return 0; } -int host1x_register_client(struct host1x_drm *host1x, +int host1x_register_client(struct tegra_drm *tegra, struct host1x_client *client) { - struct host1x_drm_client *drm, *tmp; + struct host1x_subdev *subdev, *tmp; int err; - mutex_lock(&host1x->clients_lock); - list_add_tail(&client->list, &host1x->clients); - mutex_unlock(&host1x->clients_lock); + mutex_lock(&tegra->clients_lock); + list_add_tail(&client->list, &tegra->clients); + mutex_unlock(&tegra->clients_lock); - list_for_each_entry_safe(drm, tmp, &host1x->drm_clients, list) - if (drm->np == client->dev->of_node) - host1x_activate_drm_client(host1x, drm, client); + list_for_each_entry_safe(subdev, tmp, &tegra->subdevs, list) + if (subdev->np == client->dev->of_node) + host1x_subdev_register(tegra, subdev, client); - if (list_empty(&host1x->drm_clients)) { - struct platform_device *pdev = to_platform_device(host1x->dev); + if (list_empty(&tegra->subdevs)) { + struct platform_device *pdev = to_platform_device(tegra->dev); err = drm_platform_init(&tegra_drm_driver, pdev); if (err < 0) { - dev_err(host1x->dev, "drm_platform_init(): %d\n", err); + dev_err(tegra->dev, "drm_platform_init(): %d\n", err); return err; } } @@ -217,45 +216,45 @@ int host1x_register_client(struct host1x_drm *host1x, return 0; } -int host1x_unregister_client(struct host1x_drm *host1x, +int host1x_unregister_client(struct tegra_drm *tegra, struct host1x_client *client) { - struct host1x_drm_client *drm, *tmp; + struct host1x_subdev *subdev, *tmp; int err; - list_for_each_entry_safe(drm, tmp, &host1x->drm_active, list) { - if (drm->client == client) { - err = host1x_drm_exit(host1x); + list_for_each_entry_safe(subdev, tmp, &tegra->active, list) { + if (subdev->client == client) { + err = tegra_drm_exit(tegra); if (err < 0) { - dev_err(host1x->dev, "host1x_drm_exit(): %d\n", + dev_err(tegra->dev, "tegra_drm_exit(): %d\n", err); return err; } - host1x_remove_drm_client(host1x, drm); + host1x_subdev_unregister(tegra, subdev); break; } } - mutex_lock(&host1x->clients_lock); + mutex_lock(&tegra->clients_lock); list_del_init(&client->list); - mutex_unlock(&host1x->clients_lock); + mutex_unlock(&tegra->clients_lock); return 0; } static int tegra_drm_load(struct drm_device *drm, unsigned long flags) { - struct host1x_drm *host1x; + struct tegra_drm *tegra; int err; - host1x = host1x_get_drm_data(drm->dev); - drm->dev_private = host1x; - host1x->drm = drm; + tegra = host1x_get_drm_data(drm->dev); + drm->dev_private = tegra; + tegra->drm = drm; drm_mode_config_init(drm); - err = host1x_drm_init(host1x, drm); + err = tegra_drm_init(tegra, drm); if (err < 0) return err; @@ -311,9 +310,9 @@ static void host1x_drm_context_free(struct host1x_drm_context *context) static void tegra_drm_lastclose(struct drm_device *drm) { - struct host1x_drm *host1x = drm->dev_private; + struct tegra_drm *tegra = drm->dev_private; - tegra_fbdev_restore_mode(host1x->fbdev); + tegra_fbdev_restore_mode(tegra->fbdev); } #ifdef CONFIG_DRM_TEGRA_STAGING @@ -407,18 +406,18 @@ static int tegra_syncpt_wait(struct drm_device *drm, void *data, static int tegra_open_channel(struct drm_device *drm, void *data, struct drm_file *file) { + struct host1x_drm_file *fpriv = file->driver_priv; + struct tegra_drm *tegra = drm->dev_private; struct drm_tegra_open_channel *args = data; - struct host1x_client *client; struct host1x_drm_context *context; - struct host1x_drm_file *fpriv = file->driver_priv; - struct host1x_drm *host1x = drm->dev_private; + struct host1x_client *client; int err = -ENODEV; context = kzalloc(sizeof(*context), GFP_KERNEL); if (!context) return -ENOMEM; - list_for_each_entry(client, &host1x->clients, list) + list_for_each_entry(client, &tegra->clients, list) if (client->class == args->client) { err = client->ops->open_channel(client, context); if (err) diff --git a/drivers/gpu/host1x/drm/drm.h b/drivers/gpu/host1x/drm/drm.h index b8d9f43..858bfc0 100644 --- a/drivers/gpu/host1x/drm/drm.h +++ b/drivers/gpu/host1x/drm/drm.h @@ -30,13 +30,13 @@ struct tegra_fbdev { struct tegra_fb *fb; }; -struct host1x_drm { +struct tegra_drm { struct drm_device *drm; struct device *dev; - struct mutex drm_clients_lock; - struct list_head drm_clients; - struct list_head drm_active; + struct mutex subdevs_lock; + struct list_head subdevs; + struct list_head active; struct mutex clients_lock; struct list_head clients; @@ -68,7 +68,7 @@ struct host1x_drm_file { }; struct host1x_client { - struct host1x_drm *host1x; + struct tegra_drm *tegra; struct device *dev; const struct host1x_client_ops *ops; @@ -82,12 +82,12 @@ struct host1x_client { struct list_head list; }; -extern int host1x_drm_init(struct host1x_drm *host1x, struct drm_device *drm); -extern int host1x_drm_exit(struct host1x_drm *host1x); +extern int tegra_drm_init(struct tegra_drm *tegra, struct drm_device *drm); +extern int tegra_drm_exit(struct tegra_drm *tegra); -extern int host1x_register_client(struct host1x_drm *host1x, +extern int host1x_register_client(struct tegra_drm *tegra, struct host1x_client *client); -extern int host1x_unregister_client(struct host1x_drm *host1x, +extern int host1x_unregister_client(struct tegra_drm *tegra, struct host1x_client *client); struct tegra_output; diff --git a/drivers/gpu/host1x/drm/fb.c b/drivers/gpu/host1x/drm/fb.c index 979a3e3..7dcd796 100644 --- a/drivers/gpu/host1x/drm/fb.c +++ b/drivers/gpu/host1x/drm/fb.c @@ -323,10 +323,10 @@ static void tegra_fbdev_free(struct tegra_fbdev *fbdev) static void tegra_fb_output_poll_changed(struct drm_device *drm) { - struct host1x_drm *host1x = drm->dev_private; + struct tegra_drm *tegra = drm->dev_private; - if (host1x->fbdev) - drm_fb_helper_hotplug_event(&host1x->fbdev->base); + if (tegra->fbdev) + drm_fb_helper_hotplug_event(&tegra->fbdev->base); } static const struct drm_mode_config_funcs tegra_drm_mode_funcs = { @@ -336,7 +336,7 @@ static const struct drm_mode_config_funcs tegra_drm_mode_funcs = { int tegra_drm_fb_init(struct drm_device *drm) { - struct host1x_drm *host1x = drm->dev_private; + struct tegra_drm *tegra = drm->dev_private; struct tegra_fbdev *fbdev; drm->mode_config.min_width = 0; @@ -352,16 +352,16 @@ int tegra_drm_fb_init(struct drm_device *drm) if (IS_ERR(fbdev)) return PTR_ERR(fbdev); - host1x->fbdev = fbdev; + tegra->fbdev = fbdev; return 0; } void tegra_drm_fb_exit(struct drm_device *drm) { - struct host1x_drm *host1x = drm->dev_private; + struct tegra_drm *tegra = drm->dev_private; - tegra_fbdev_free(host1x->fbdev); + tegra_fbdev_free(tegra->fbdev); } void tegra_fbdev_restore_mode(struct tegra_fbdev *fbdev) diff --git a/drivers/gpu/host1x/drm/gr2d.c b/drivers/gpu/host1x/drm/gr2d.c index 27ffcf1..5f838b1 100644 --- a/drivers/gpu/host1x/drm/gr2d.c +++ b/drivers/gpu/host1x/drm/gr2d.c @@ -256,7 +256,7 @@ static const struct of_device_id gr2d_match[] = { static int gr2d_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; - struct host1x_drm *host1x = host1x_get_drm_data(dev->parent); + struct tegra_drm *tegra = host1x_get_drm_data(dev->parent); int err; struct gr2d *gr2d = NULL; struct host1x_syncpt **syncpts; @@ -297,7 +297,7 @@ static int gr2d_probe(struct platform_device *pdev) gr2d->client.syncpts = syncpts; gr2d->client.num_syncpts = 1; - err = host1x_register_client(host1x, &gr2d->client); + err = host1x_register_client(tegra, &gr2d->client); if (err < 0) { dev_err(dev, "failed to register host1x client: %d\n", err); return err; @@ -312,12 +312,12 @@ static int gr2d_probe(struct platform_device *pdev) static int __exit gr2d_remove(struct platform_device *pdev) { - struct host1x_drm *host1x = host1x_get_drm_data(pdev->dev.parent); + struct tegra_drm *tegra = host1x_get_drm_data(pdev->dev.parent); struct gr2d *gr2d = platform_get_drvdata(pdev); unsigned int i; int err; - err = host1x_unregister_client(host1x, &gr2d->client); + err = host1x_unregister_client(tegra, &gr2d->client); if (err < 0) { dev_err(&pdev->dev, "failed to unregister client: %d\n", err); return err; diff --git a/drivers/gpu/host1x/drm/hdmi.c b/drivers/gpu/host1x/drm/hdmi.c index 644d95c..e7fb9d9 100644 --- a/drivers/gpu/host1x/drm/hdmi.c +++ b/drivers/gpu/host1x/drm/hdmi.c @@ -1181,7 +1181,7 @@ static const struct host1x_client_ops hdmi_client_ops = { static int tegra_hdmi_probe(struct platform_device *pdev) { - struct host1x_drm *host1x = host1x_get_drm_data(pdev->dev.parent); + struct tegra_drm *tegra = host1x_get_drm_data(pdev->dev.parent); struct tegra_hdmi *hdmi; struct resource *regs; int err; @@ -1256,7 +1256,7 @@ static int tegra_hdmi_probe(struct platform_device *pdev) INIT_LIST_HEAD(&hdmi->client.list); hdmi->client.dev = &pdev->dev; - err = host1x_register_client(host1x, &hdmi->client); + err = host1x_register_client(tegra, &hdmi->client); if (err < 0) { dev_err(&pdev->dev, "failed to register host1x client: %d\n", err); @@ -1270,11 +1270,11 @@ static int tegra_hdmi_probe(struct platform_device *pdev) static int tegra_hdmi_remove(struct platform_device *pdev) { - struct host1x_drm *host1x = host1x_get_drm_data(pdev->dev.parent); + struct tegra_drm *tegra = host1x_get_drm_data(pdev->dev.parent); struct tegra_hdmi *hdmi = platform_get_drvdata(pdev); int err; - err = host1x_unregister_client(host1x, &hdmi->client); + err = host1x_unregister_client(tegra, &hdmi->client); if (err < 0) { dev_err(&pdev->dev, "failed to unregister host1x client: %d\n", err); diff --git a/drivers/gpu/host1x/host1x_client.h b/drivers/gpu/host1x/host1x_client.h index 9b85f10..6a0bd02 100644 --- a/drivers/gpu/host1x/host1x_client.h +++ b/drivers/gpu/host1x/host1x_client.h @@ -21,9 +21,9 @@ struct device; struct platform_device; #ifdef CONFIG_DRM_TEGRA -int host1x_drm_alloc(struct platform_device *pdev); +int tegra_drm_alloc(struct platform_device *pdev); #else -static inline int host1x_drm_alloc(struct platform_device *pdev) +static inline int tegra_drm_alloc(struct platform_device *pdev) { return 0; }