From patchwork Fri Aug 30 08:41:00 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 13784713 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 7F13ACA0EF6 for ; Fri, 30 Aug 2024 08:48:27 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 8073610EA09; Fri, 30 Aug 2024 08:45:44 +0000 (UTC) Received: from smtp-out1.suse.de (smtp-out1.suse.de [195.135.223.130]) by gabe.freedesktop.org (Postfix) with ESMTPS id C6F1510E95B; Fri, 30 Aug 2024 08:45:26 +0000 (UTC) Received: from imap1.dmz-prg2.suse.org (imap1.dmz-prg2.suse.org [IPv6:2a07:de40:b281:104:10:150:64:97]) (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 smtp-out1.suse.de (Postfix) with ESMTPS id 8C02821BA7; Fri, 30 Aug 2024 08:45:25 +0000 (UTC) Authentication-Results: smtp-out1.suse.de; none 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 4356313A66; Fri, 30 Aug 2024 08:45:25 +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 SI8eD6WG0WbyegAAD6G6ig (envelope-from ); Fri, 30 Aug 2024 08:45:25 +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 , Patrik Jakobsson Subject: [PATCH v3 76/81] drm/gma500: Run DRM default client setup Date: Fri, 30 Aug 2024 10:41:00 +0200 Message-ID: <20240830084456.77630-77-tzimmermann@suse.de> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20240830084456.77630-1-tzimmermann@suse.de> References: <20240830084456.77630-1-tzimmermann@suse.de> MIME-Version: 1.0 X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Spamd-Result: default: False [-4.00 / 50.00]; REPLY(-4.00)[]; TAGGED_RCPT(0.00)[] X-Rspamd-Queue-Id: 8C02821BA7 X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Rspamd-Action: no action X-Rspamd-Server: rspamd1.dmz-prg2.suse.org 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" Rework fbdev probing to support fbdev_probe in struct drm_driver and remove the old fb_probe callback. Provide an initializer macro for struct drm_driver that sets the callback according to the kernel configuration. Call drm_client_setup() to run the kernel's default client setup for DRM. Set fbdev_probe in struct drm_driver, so that the client setup can start the common fbdev client. Signed-off-by: Thomas Zimmermann Cc: Patrik Jakobsson Acked-by: Javier Martinez Canillas --- drivers/gpu/drm/gma500/fbdev.c | 100 +++---------------------------- drivers/gpu/drm/gma500/psb_drv.c | 4 +- drivers/gpu/drm/gma500/psb_drv.h | 12 +++- 3 files changed, 19 insertions(+), 97 deletions(-) diff --git a/drivers/gpu/drm/gma500/fbdev.c b/drivers/gpu/drm/gma500/fbdev.c index 98b44974d42d..8edefea2ef59 100644 --- a/drivers/gpu/drm/gma500/fbdev.c +++ b/drivers/gpu/drm/gma500/fbdev.c @@ -143,12 +143,15 @@ static const struct fb_ops psb_fbdev_fb_ops = { .fb_destroy = psb_fbdev_fb_destroy, }; +static const struct drm_fb_helper_funcs psb_fbdev_fb_helper_funcs = { +}; + /* - * struct drm_fb_helper_funcs + * struct drm_driver */ -static int psb_fbdev_fb_probe(struct drm_fb_helper *fb_helper, - struct drm_fb_helper_surface_size *sizes) +int psb_fbdev_driver_fbdev_probe(struct drm_fb_helper *fb_helper, + struct drm_fb_helper_surface_size *sizes) { struct drm_device *dev = fb_helper->dev; struct drm_psb_private *dev_priv = to_drm_psb_private(dev); @@ -206,6 +209,7 @@ static int psb_fbdev_fb_probe(struct drm_fb_helper *fb_helper, goto err_drm_gem_object_put; } + fb_helper->funcs = &psb_fbdev_fb_helper_funcs; fb_helper->fb = fb; info = drm_fb_helper_alloc_info(fb_helper); @@ -246,93 +250,3 @@ static int psb_fbdev_fb_probe(struct drm_fb_helper *fb_helper, drm_gem_object_put(obj); return ret; } - -static const struct drm_fb_helper_funcs psb_fbdev_fb_helper_funcs = { - .fb_probe = psb_fbdev_fb_probe, -}; - -/* - * struct drm_client_funcs and setup code - */ - -static void psb_fbdev_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_fb_helper_unprepare(fb_helper); - drm_client_release(&fb_helper->client); - kfree(fb_helper); - } -} - -static int psb_fbdev_client_restore(struct drm_client_dev *client) -{ - drm_fb_helper_lastclose(client->dev); - - return 0; -} - -static int psb_fbdev_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, "Failed to setup gma500 fbdev emulation (ret=%d)\n", ret); - return ret; -} - -static const struct drm_client_funcs psb_fbdev_client_funcs = { - .owner = THIS_MODULE, - .unregister = psb_fbdev_client_unregister, - .restore = psb_fbdev_client_restore, - .hotplug = psb_fbdev_client_hotplug, -}; - -void psb_fbdev_setup(struct drm_psb_private *dev_priv) -{ - struct drm_device *dev = &dev_priv->dev; - struct drm_fb_helper *fb_helper; - int ret; - - fb_helper = kzalloc(sizeof(*fb_helper), GFP_KERNEL); - if (!fb_helper) - return; - drm_fb_helper_prepare(dev, fb_helper, 32, &psb_fbdev_fb_helper_funcs); - - ret = drm_client_init(dev, &fb_helper->client, "fbdev-gma500", &psb_fbdev_client_funcs); - if (ret) { - drm_err(dev, "Failed to register client: %d\n", ret); - goto err_drm_fb_helper_unprepare; - } - - drm_client_register(&fb_helper->client); - - return; - -err_drm_fb_helper_unprepare: - drm_fb_helper_unprepare(fb_helper); - kfree(fb_helper); -} diff --git a/drivers/gpu/drm/gma500/psb_drv.c b/drivers/gpu/drm/gma500/psb_drv.c index 8b64f61ffaf9..43deefef6ad2 100644 --- a/drivers/gpu/drm/gma500/psb_drv.c +++ b/drivers/gpu/drm/gma500/psb_drv.c @@ -20,6 +20,7 @@ #include #include +#include #include #include #include @@ -475,7 +476,7 @@ static int psb_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if (ret) return ret; - psb_fbdev_setup(dev_priv); + drm_client_setup(dev, NULL); return 0; } @@ -506,6 +507,7 @@ static const struct drm_driver driver = { .num_ioctls = ARRAY_SIZE(psb_ioctls), .dumb_create = psb_gem_dumb_create, + PSB_FBDEV_DRIVER_OPS, .ioctls = psb_ioctls, .fops = &psb_gem_fops, .name = DRIVER_NAME, diff --git a/drivers/gpu/drm/gma500/psb_drv.h b/drivers/gpu/drm/gma500/psb_drv.h index bddf89b82fec..de62cbfcdc72 100644 --- a/drivers/gpu/drm/gma500/psb_drv.h +++ b/drivers/gpu/drm/gma500/psb_drv.h @@ -184,6 +184,9 @@ #define KSEL_BYPASS_25 6 #define KSEL_BYPASS_83_100 7 +struct drm_fb_helper; +struct drm_fb_helper_surface_size; + struct opregion_header; struct opregion_acpi; struct opregion_swsci; @@ -597,10 +600,13 @@ struct drm_framebuffer *psb_framebuffer_create(struct drm_device *dev, /* fbdev */ #if defined(CONFIG_DRM_FBDEV_EMULATION) -void psb_fbdev_setup(struct drm_psb_private *dev_priv); +int psb_fbdev_driver_fbdev_probe(struct drm_fb_helper *fb_helper, + struct drm_fb_helper_surface_size *sizes); +#define PSB_FBDEV_DRIVER_OPS \ + .fbdev_probe = psb_fbdev_driver_fbdev_probe #else -static inline void psb_fbdev_setup(struct drm_psb_private *dev_priv) -{ } +#define PSB_FBDEV_DRIVER_OPS \ + .fbdev_probe = NULL #endif /* backlight.c */