From patchwork Mon Mar 31 15:52:09 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 14033764 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 6E08DC3600B for ; Mon, 31 Mar 2025 15:59:40 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C170710E444; Mon, 31 Mar 2025 15:59:39 +0000 (UTC) Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.223.131]) by gabe.freedesktop.org (Postfix) with ESMTPS id E86D210E44B for ; Mon, 31 Mar 2025 15:59:29 +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-out2.suse.de (Postfix) with ESMTPS id 2D7D71F745; Mon, 31 Mar 2025 15:59:02 +0000 (UTC) Authentication-Results: smtp-out2.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 EA1D513A1F; Mon, 31 Mar 2025 15:59:01 +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 QDP6N8W76mfdVQAAD6G6ig (envelope-from ); Mon, 31 Mar 2025 15:59:01 +0000 From: Thomas Zimmermann To: javierm@redhat.com, jani.nikula@linux.intel.com, mripard@kernel.org, simona@ffwll.ch, airlied@gmail.com, maarten.lankhorst@linux.intel.com Cc: dri-devel@lists.freedesktop.org, Thomas Zimmermann Subject: [PATCH v2 06/18] drm/sysfb: Provide single mode-init helper Date: Mon, 31 Mar 2025 17:52:09 +0200 Message-ID: <20250331155538.1173333-7-tzimmermann@suse.de> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250331155538.1173333-1-tzimmermann@suse.de> References: <20250331155538.1173333-1-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)[] X-Rspamd-Queue-Id: 2D7D71F745 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: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Merge the mode-init functions of ofdrm and simpledrm to the new helper drm_sysfb_mode(). Also implement the DPI defaults there. Replace the code in each driver with the shared helper. Signed-off-by: Thomas Zimmermann Reviewed-by: Javier Martinez Canillas --- drivers/gpu/drm/sysfb/drm_sysfb_helper.c | 24 ++++++++++++++++++++++++ drivers/gpu/drm/sysfb/drm_sysfb_helper.h | 5 +++++ drivers/gpu/drm/sysfb/ofdrm.c | 17 +---------------- drivers/gpu/drm/sysfb/simpledrm.c | 23 +---------------------- 4 files changed, 31 insertions(+), 38 deletions(-) diff --git a/drivers/gpu/drm/sysfb/drm_sysfb_helper.c b/drivers/gpu/drm/sysfb/drm_sysfb_helper.c index c083d21fd9cab..6deeac81a41de 100644 --- a/drivers/gpu/drm/sysfb/drm_sysfb_helper.c +++ b/drivers/gpu/drm/sysfb/drm_sysfb_helper.c @@ -6,3 +6,27 @@ MODULE_DESCRIPTION("Helpers for DRM sysfb drivers"); MODULE_LICENSE("GPL"); + +struct drm_display_mode drm_sysfb_mode(unsigned int width, + unsigned int height, + unsigned int width_mm, + unsigned int height_mm) +{ + /* + * Assume a monitor resolution of 96 dpi to + * get a somewhat reasonable screen size. + */ + if (!width_mm) + width_mm = DRM_MODE_RES_MM(width, 96ul); + if (!height_mm) + height_mm = DRM_MODE_RES_MM(height, 96ul); + + { + const struct drm_display_mode mode = { + DRM_MODE_INIT(60, width, height, width_mm, height_mm) + }; + + return mode; + } +} +EXPORT_SYMBOL(drm_sysfb_mode); diff --git a/drivers/gpu/drm/sysfb/drm_sysfb_helper.h b/drivers/gpu/drm/sysfb/drm_sysfb_helper.h index 8f05eee7f49e5..8b4cc4af702b2 100644 --- a/drivers/gpu/drm/sysfb/drm_sysfb_helper.h +++ b/drivers/gpu/drm/sysfb/drm_sysfb_helper.h @@ -11,6 +11,11 @@ struct drm_format_info; +struct drm_display_mode drm_sysfb_mode(unsigned int width, + unsigned int height, + unsigned int width_mm, + unsigned int height_mm); + /* * Device */ diff --git a/drivers/gpu/drm/sysfb/ofdrm.c b/drivers/gpu/drm/sysfb/ofdrm.c index d42704facb455..7df6901157fb1 100644 --- a/drivers/gpu/drm/sysfb/ofdrm.c +++ b/drivers/gpu/drm/sysfb/ofdrm.c @@ -1070,21 +1070,6 @@ static const struct ofdrm_device_funcs ofdrm_qemu_device_funcs = { .cmap_write = ofdrm_qemu_cmap_write, }; -static struct drm_display_mode ofdrm_mode(unsigned int width, unsigned int height) -{ - /* - * Assume a monitor resolution of 96 dpi to - * get a somewhat reasonable screen size. - */ - const struct drm_display_mode mode = { - DRM_MODE_INIT(60, width, height, - DRM_MODE_RES_MM(width, 96ul), - DRM_MODE_RES_MM(height, 96ul)) - }; - - return mode; -} - static struct ofdrm_device *ofdrm_device_create(struct drm_driver *drv, struct platform_device *pdev) { @@ -1251,7 +1236,7 @@ static struct ofdrm_device *ofdrm_device_create(struct drm_driver *drv, */ iosys_map_set_vaddr_iomem(&sysfb->fb_addr, screen_base); - sysfb->fb_mode = ofdrm_mode(width, height); + sysfb->fb_mode = drm_sysfb_mode(width, height, 0, 0); sysfb->fb_format = format; sysfb->fb_pitch = linebytes; diff --git a/drivers/gpu/drm/sysfb/simpledrm.c b/drivers/gpu/drm/sysfb/simpledrm.c index f258d8cdb6b68..149df6941b6c7 100644 --- a/drivers/gpu/drm/sysfb/simpledrm.c +++ b/drivers/gpu/drm/sysfb/simpledrm.c @@ -756,18 +756,6 @@ static const struct drm_mode_config_funcs simpledrm_mode_config_funcs = { * Init / Cleanup */ -static struct drm_display_mode simpledrm_mode(unsigned int width, - unsigned int height, - unsigned int width_mm, - unsigned int height_mm) -{ - const struct drm_display_mode mode = { - DRM_MODE_INIT(60, width, height, width_mm, height_mm) - }; - - return mode; -} - static struct simpledrm_device *simpledrm_device_create(struct drm_driver *drv, struct platform_device *pdev) { @@ -855,16 +843,7 @@ static struct simpledrm_device *simpledrm_device_create(struct drm_driver *drv, return ERR_PTR(-EINVAL); } - /* - * Assume a monitor resolution of 96 dpi if physical dimensions - * are not specified to get a somewhat reasonable screen size. - */ - if (!width_mm) - width_mm = DRM_MODE_RES_MM(width, 96ul); - if (!height_mm) - height_mm = DRM_MODE_RES_MM(height, 96ul); - - sysfb->fb_mode = simpledrm_mode(width, height, width_mm, height_mm); + sysfb->fb_mode = drm_sysfb_mode(width, height, width_mm, height_mm); sysfb->fb_format = format; sysfb->fb_pitch = stride;