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c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1723812876; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Zvvf4jxW63LKAXYcjqrmkzhJXaM8WjDmsXPz/DGUdbs=; b=k33/09ffVxcjYgwoWSnd6vlhLDqchQgz2hEFpi6ZrENFnHqUuYM1kCX8X/WLmEXVvpnnsE VVNKZeUzdvFholDw== Received: from imap1.dmz-prg2.suse.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by imap1.dmz-prg2.suse.org (Postfix) with ESMTPS id 37EDC13A2F; Fri, 16 Aug 2024 12:54:36 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id mOprDAxMv2bdbgAAD6G6ig (envelope-from ); Fri, 16 Aug 2024 12:54:36 +0000 From: Thomas Zimmermann To: daniel@ffwll.ch, airlied@gmail.com, jfalempe@redhat.com, javierm@redhat.com Cc: dri-devel@lists.freedesktop.org, amd-gfx@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org, nouveau@lists.freedesktop.org, Thomas Zimmermann Subject: [PATCH 73/86] drm/fbdev-ttm: Remove obsolete setup function Date: Fri, 16 Aug 2024 14:23:39 +0200 Message-ID: <20240816125408.310253-74-tzimmermann@suse.de> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20240816125408.310253-1-tzimmermann@suse.de> References: <20240816125408.310253-1-tzimmermann@suse.de> MIME-Version: 1.0 X-Spamd-Result: default: False [-6.80 / 50.00]; REPLY(-4.00)[]; BAYES_HAM(-3.00)[100.00%]; MID_CONTAINS_FROM(1.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; R_MISSING_CHARSET(0.50)[]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.de:email,suse.de:mid]; RCVD_VIA_SMTP_AUTH(0.00)[]; FROM_HAS_DN(0.00)[]; ARC_NA(0.00)[]; TO_DN_SOME(0.00)[]; MIME_TRACE(0.00)[0:+]; FROM_EQ_ENVFROM(0.00)[]; FREEMAIL_TO(0.00)[ffwll.ch,gmail.com,redhat.com]; RCPT_COUNT_SEVEN(0.00)[10]; RCVD_COUNT_TWO(0.00)[2]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RCVD_TLS_ALL(0.00)[]; FUZZY_BLOCKED(0.00)[rspamd.com]; R_RATELIMIT(0.00)[to_ip_from(RLw9gjjhh8cousxs3wi4trssza)]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; FREEMAIL_ENVRCPT(0.00)[gmail.com] 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: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" The old setup function drm_fbdev_ttm_setup() is unused. Remove it and its internal callbacks. New drivers should call drm_client_setup() instead. Signed-off-by: Thomas Zimmermann --- drivers/gpu/drm/drm_fbdev_ttm.c | 119 -------------------------------- include/drm/drm_fbdev_ttm.h | 6 -- 2 files changed, 125 deletions(-) diff --git a/drivers/gpu/drm/drm_fbdev_ttm.c b/drivers/gpu/drm/drm_fbdev_ttm.c index d799cbe944cd..73d35d59590c 100644 --- a/drivers/gpu/drm/drm_fbdev_ttm.c +++ b/drivers/gpu/drm/drm_fbdev_ttm.c @@ -65,15 +65,6 @@ static const struct fb_ops drm_fbdev_ttm_fb_ops = { .fb_destroy = drm_fbdev_ttm_fb_destroy, }; -/* - * This function uses the client API to create a framebuffer backed by a dumb buffer. - */ -static int drm_fbdev_ttm_helper_fb_probe(struct drm_fb_helper *fb_helper, - struct drm_fb_helper_surface_size *sizes) -{ - return drm_fbdev_ttm_driver_fbdev_probe(fb_helper, sizes); -} - static void drm_fbdev_ttm_damage_blit_real(struct drm_fb_helper *fb_helper, struct drm_clip_rect *clip, struct iosys_map *dst) @@ -172,7 +163,6 @@ static int drm_fbdev_ttm_helper_fb_dirty(struct drm_fb_helper *helper, } static const struct drm_fb_helper_funcs drm_fbdev_ttm_helper_funcs = { - .fb_probe = drm_fbdev_ttm_helper_fb_probe, .fb_dirty = drm_fbdev_ttm_helper_fb_dirty, }; @@ -251,112 +241,3 @@ int drm_fbdev_ttm_driver_fbdev_probe(struct drm_fb_helper *fb_helper, return ret; } EXPORT_SYMBOL(drm_fbdev_ttm_driver_fbdev_probe); - -static void drm_fbdev_ttm_client_unregister(struct drm_client_dev *client) -{ - struct drm_fb_helper *fb_helper = drm_fb_helper_from_client(client); - - if (fb_helper->info) { - drm_fb_helper_unregister_info(fb_helper); - } else { - drm_client_release(&fb_helper->client); - drm_fb_helper_unprepare(fb_helper); - kfree(fb_helper); - } -} - -static int drm_fbdev_ttm_client_restore(struct drm_client_dev *client) -{ - drm_fb_helper_lastclose(client->dev); - - return 0; -} - -static int drm_fbdev_ttm_client_hotplug(struct drm_client_dev *client) -{ - struct drm_fb_helper *fb_helper = drm_fb_helper_from_client(client); - struct drm_device *dev = client->dev; - int ret; - - if (dev->fb_helper) - return drm_fb_helper_hotplug_event(dev->fb_helper); - - ret = drm_fb_helper_init(dev, fb_helper); - if (ret) - goto err_drm_err; - - if (!drm_drv_uses_atomic_modeset(dev)) - drm_helper_disable_unused_functions(dev); - - ret = drm_fb_helper_initial_config(fb_helper); - if (ret) - goto err_drm_fb_helper_fini; - - return 0; - -err_drm_fb_helper_fini: - drm_fb_helper_fini(fb_helper); -err_drm_err: - drm_err(dev, "fbdev: Failed to setup emulation (ret=%d)\n", ret); - return ret; -} - -static const struct drm_client_funcs drm_fbdev_ttm_client_funcs = { - .owner = THIS_MODULE, - .unregister = drm_fbdev_ttm_client_unregister, - .restore = drm_fbdev_ttm_client_restore, - .hotplug = drm_fbdev_ttm_client_hotplug, -}; - -/** - * drm_fbdev_ttm_setup() - Setup fbdev emulation for TTM-based drivers - * @dev: DRM device - * @preferred_bpp: Preferred bits per pixel for the device. - * - * This function sets up fbdev emulation for TTM-based drivers that support - * dumb buffers with a virtual address and that can be mmap'ed. - * drm_fbdev_ttm_setup() shall be called after the DRM driver registered - * the new DRM device with drm_dev_register(). - * - * Restore, hotplug events and teardown are all taken care of. Drivers that do - * suspend/resume need to call drm_fb_helper_set_suspend_unlocked() themselves. - * Simple drivers might use drm_mode_config_helper_suspend(). - * - * In order to provide fixed mmap-able memory ranges, fbdev emulation - * uses a shadow buffer in system memory. The implementation blits the shadow - * fbdev buffer onto the real buffer in regular intervals. - * - * This function is safe to call even when there are no connectors present. - * Setup will be retried on the next hotplug event. - * - * The fbdev is destroyed by drm_dev_unregister(). - */ -void drm_fbdev_ttm_setup(struct drm_device *dev, unsigned int preferred_bpp) -{ - struct drm_fb_helper *fb_helper; - int ret; - - drm_WARN(dev, !dev->registered, "Device has not been registered.\n"); - drm_WARN(dev, dev->fb_helper, "fb_helper is already set!\n"); - - fb_helper = kzalloc(sizeof(*fb_helper), GFP_KERNEL); - if (!fb_helper) - return; - drm_fb_helper_prepare(dev, fb_helper, preferred_bpp, &drm_fbdev_ttm_helper_funcs); - - ret = drm_client_init(dev, &fb_helper->client, "fbdev", &drm_fbdev_ttm_client_funcs); - if (ret) { - drm_err(dev, "Failed to register client: %d\n", ret); - goto err_drm_client_init; - } - - drm_client_register(&fb_helper->client); - - return; - -err_drm_client_init: - drm_fb_helper_unprepare(fb_helper); - kfree(fb_helper); - return; -} -EXPORT_SYMBOL(drm_fbdev_ttm_setup); diff --git a/include/drm/drm_fbdev_ttm.h b/include/drm/drm_fbdev_ttm.h index 243685d02eb1..ad4a10bb4c78 100644 --- a/include/drm/drm_fbdev_ttm.h +++ b/include/drm/drm_fbdev_ttm.h @@ -5,7 +5,6 @@ #include -struct drm_device; struct drm_fb_helper; struct drm_fb_helper_surface_size; @@ -15,14 +14,9 @@ int drm_fbdev_ttm_driver_fbdev_probe(struct drm_fb_helper *fb_helper, #define DRM_FBDEV_TTM_DRIVER_OPS \ .fbdev_probe = drm_fbdev_ttm_driver_fbdev_probe - -void drm_fbdev_ttm_setup(struct drm_device *dev, unsigned int preferred_bpp); #else #define DRM_FBDEV_TTM_DRIVER_OPS \ .fbdev_probe = NULL - -static inline void drm_fbdev_ttm_setup(struct drm_device *dev, unsigned int preferred_bpp) -{ } #endif #endif