From patchwork Fri Aug 16 12:23:44 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 13766265 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 3D81DC53211 for ; Fri, 16 Aug 2024 12:57:38 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 1C2DE10E617; Fri, 16 Aug 2024 12:54:48 +0000 (UTC) Received: from smtp-out1.suse.de (smtp-out1.suse.de [195.135.223.130]) by gabe.freedesktop.org (Postfix) with ESMTPS id A12CC10E701; Fri, 16 Aug 2024 12:54:39 +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 5291922899; Fri, 16 Aug 2024 12:54:38 +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 F2A0713ACA; Fri, 16 Aug 2024 12:54:37 +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 EGT8OQ1Mv2bdbgAAD6G6ig (envelope-from ); Fri, 16 Aug 2024 12:54:37 +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 , Alex Deucher , =?utf-8?q?Christian_K=C3=B6nig?= , Xinhui Pan Subject: [PATCH 78/86] drm/radeon: Run DRM default client setup Date: Fri, 16 Aug 2024 14:23:44 +0200 Message-ID: <20240816125408.310253-79-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-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated 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-Rspamd-Queue-Id: 5291922899 X-Spamd-Result: default: False [-4.00 / 50.00]; REPLY(-4.00)[] 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. The radeon driver specifies a preferred color mode depending on the available video memory, with a default of 32. Adapt this for the new client interface. Signed-off-by: Thomas Zimmermann Cc: Alex Deucher Cc: "Christian König" Cc: Xinhui Pan --- drivers/gpu/drm/radeon/radeon_drv.c | 13 ++- drivers/gpu/drm/radeon/radeon_fbdev.c | 114 ++------------------------ drivers/gpu/drm/radeon/radeon_mode.h | 12 ++- 3 files changed, 26 insertions(+), 113 deletions(-) diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c index 7bf08164140e..08ccfec6f6ec 100644 --- a/drivers/gpu/drm/radeon/radeon_drv.c +++ b/drivers/gpu/drm/radeon/radeon_drv.c @@ -38,8 +38,10 @@ #include #include +#include #include #include +#include #include #include #include @@ -260,6 +262,7 @@ static int radeon_pci_probe(struct pci_dev *pdev, { unsigned long flags = 0; struct drm_device *dev; + struct radeon_device *rdev; int ret; if (!ent) @@ -314,7 +317,13 @@ static int radeon_pci_probe(struct pci_dev *pdev, if (ret) goto err_agp; - radeon_fbdev_setup(dev->dev_private); + rdev = dev->dev_private; + if (rdev->mc.real_vram_size <= (8 * 1024 * 1024)) + drm_client_setup(dev, drm_format_info(DRM_FORMAT_C8)); + else if (ASIC_IS_RN50(rdev) || rdev->mc.real_vram_size <= (32 * 1024 * 1024)) + drm_client_setup(dev, drm_format_info(DRM_FORMAT_RGB565)); + else + drm_client_setup(dev, NULL); return 0; @@ -581,6 +590,8 @@ static const struct drm_driver kms_driver = { .gem_prime_import_sg_table = radeon_gem_prime_import_sg_table, + RADEON_FBDEV_DRIVER_OPS, + .name = DRIVER_NAME, .desc = DRIVER_DESC, .date = DRIVER_DATE, diff --git a/drivers/gpu/drm/radeon/radeon_fbdev.c b/drivers/gpu/drm/radeon/radeon_fbdev.c index 02bf25759059..4c81f9a87c16 100644 --- a/drivers/gpu/drm/radeon/radeon_fbdev.c +++ b/drivers/gpu/drm/radeon/radeon_fbdev.c @@ -198,12 +198,11 @@ static const struct fb_ops radeon_fbdev_fb_ops = { .fb_destroy = radeon_fbdev_fb_destroy, }; -/* - * Fbdev helpers and struct drm_fb_helper_funcs - */ +static const struct drm_fb_helper_funcs radeon_fbdev_fb_helper_funcs = { +}; -static int radeon_fbdev_fb_helper_fb_probe(struct drm_fb_helper *fb_helper, - struct drm_fb_helper_surface_size *sizes) +int radeon_fbdev_driver_fbdev_probe(struct drm_fb_helper *fb_helper, + struct drm_fb_helper_surface_size *sizes) { struct radeon_device *rdev = fb_helper->dev->dev_private; struct drm_mode_fb_cmd2 mode_cmd = { }; @@ -243,6 +242,7 @@ static int radeon_fbdev_fb_helper_fb_probe(struct drm_fb_helper *fb_helper, } /* setup helper */ + fb_helper->funcs = &radeon_fbdev_fb_helper_funcs; fb_helper->fb = fb; /* okay we have an object now allocate the framebuffer */ @@ -288,110 +288,6 @@ static int radeon_fbdev_fb_helper_fb_probe(struct drm_fb_helper *fb_helper, return ret; } -static const struct drm_fb_helper_funcs radeon_fbdev_fb_helper_funcs = { - .fb_probe = radeon_fbdev_fb_helper_fb_probe, -}; - -/* - * Fbdev client and struct drm_client_funcs - */ - -static void radeon_fbdev_client_unregister(struct drm_client_dev *client) -{ - struct drm_fb_helper *fb_helper = drm_fb_helper_from_client(client); - struct drm_device *dev = fb_helper->dev; - struct radeon_device *rdev = dev->dev_private; - - if (fb_helper->info) { - vga_switcheroo_client_fb_set(rdev->pdev, NULL); - drm_helper_force_disable_all(dev); - 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 radeon_fbdev_client_restore(struct drm_client_dev *client) -{ - drm_fb_helper_lastclose(client->dev); - vga_switcheroo_process_delayed_switch(); - - return 0; -} - -static int radeon_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; - struct radeon_device *rdev = dev->dev_private; - 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; - - vga_switcheroo_client_fb_set(rdev->pdev, fb_helper->info); - - return 0; - -err_drm_fb_helper_fini: - drm_fb_helper_fini(fb_helper); -err_drm_err: - drm_err(dev, "Failed to setup radeon fbdev emulation (ret=%d)\n", ret); - return ret; -} - -static const struct drm_client_funcs radeon_fbdev_client_funcs = { - .owner = THIS_MODULE, - .unregister = radeon_fbdev_client_unregister, - .restore = radeon_fbdev_client_restore, - .hotplug = radeon_fbdev_client_hotplug, -}; - -void radeon_fbdev_setup(struct radeon_device *rdev) -{ - struct drm_fb_helper *fb_helper; - int bpp_sel = 32; - int ret; - - if (rdev->mc.real_vram_size <= (8 * 1024 * 1024)) - bpp_sel = 8; - else if (ASIC_IS_RN50(rdev) || rdev->mc.real_vram_size <= (32 * 1024 * 1024)) - bpp_sel = 16; - - fb_helper = kzalloc(sizeof(*fb_helper), GFP_KERNEL); - if (!fb_helper) - return; - drm_fb_helper_prepare(rdev->ddev, fb_helper, bpp_sel, &radeon_fbdev_fb_helper_funcs); - - ret = drm_client_init(rdev->ddev, &fb_helper->client, "radeon-fbdev", - &radeon_fbdev_client_funcs); - if (ret) { - drm_err(rdev->ddev, "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); -} - void radeon_fbdev_set_suspend(struct radeon_device *rdev, int state) { if (rdev->ddev->fb_helper) diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h index e0a5af180801..8e916729f393 100644 --- a/drivers/gpu/drm/radeon/radeon_mode.h +++ b/drivers/gpu/drm/radeon/radeon_mode.h @@ -38,6 +38,9 @@ #include #include +struct drm_fb_helper; +struct drm_fb_helper_surface_size; + struct edid; struct radeon_bo; struct radeon_device; @@ -935,12 +938,15 @@ void dce8_program_fmt(struct drm_encoder *encoder); /* fbdev layer */ #if defined(CONFIG_DRM_FBDEV_EMULATION) -void radeon_fbdev_setup(struct radeon_device *rdev); +int radeon_fbdev_driver_fbdev_probe(struct drm_fb_helper *fb_helper, + struct drm_fb_helper_surface_size *sizes); +#define RADEON_FBDEV_DRIVER_OPS \ + .fbdev_probe = radeon_fbdev_driver_fbdev_probe void radeon_fbdev_set_suspend(struct radeon_device *rdev, int state); bool radeon_fbdev_robj_is_fb(struct radeon_device *rdev, struct radeon_bo *robj); #else -static inline void radeon_fbdev_setup(struct radeon_device *rdev) -{ } +#define RADEON_FBDEV_DRIVER_OPS \ + .fbdev_probe = NULL static inline void radeon_fbdev_set_suspend(struct radeon_device *rdev, int state) { } static inline bool radeon_fbdev_robj_is_fb(struct radeon_device *rdev, struct radeon_bo *robj)