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[1.169.246.18]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-7c3f0243b19sm22661544b3a.37.2025.11.26.17.23.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 26 Nov 2025 17:23:27 -0800 (PST) From: Richard Lyu X-Google-Original-From: Richard Lyu Date: Thu, 27 Nov 2025 09:23:19 +0800 To: Thomas Zimmermann , ardb@kernel.org, javierm@redhat.com, arnd@arndb.de, helgaas@kernel.org Cc: x86@kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-efi@vger.kernel.org, loongarch@lists.linux.dev, linux-riscv@lists.infradead.org, dri-devel@lists.freedesktop.org, linux-hyperv@vger.kernel.org, linux-pci@vger.kernel.org, linux-fbdev@vger.kernel.org Subject: Re: [PATCH v3 5/9] sysfb: Pass sysfb_primary_display to devices Message-ID: References: <20251126160854.553077-1-tzimmermann@suse.de> <20251126160854.553077-6-tzimmermann@suse.de> Precedence: bulk X-Mailing-List: linux-hyperv@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20251126160854.553077-6-tzimmermann@suse.de> User-Agent: Mutt/2.2.13 (2024-03-09) Reviewed-by: Richard Lyu On 2025/11/26 17:03, Thomas Zimmermann wrote: > Instead of screen_info, store a copy of sysfb_primary_display as > device data. Pick it up in drivers. Later changes will add additional > data to the display info, such as EDID information. > > Signed-off-by: Thomas Zimmermann > Acked-by: Arnd Bergmann > Acked-by: Ard Biesheuvel > --- > drivers/firmware/sysfb.c | 5 +++-- > drivers/gpu/drm/sysfb/efidrm.c | 9 ++++++--- > drivers/gpu/drm/sysfb/vesadrm.c | 9 ++++++--- > drivers/video/fbdev/efifb.c | 10 ++++++---- > drivers/video/fbdev/vesafb.c | 10 ++++++---- > drivers/video/fbdev/vga16fb.c | 8 +++++--- > 6 files changed, 32 insertions(+), 19 deletions(-) > > diff --git a/drivers/firmware/sysfb.c b/drivers/firmware/sysfb.c > index 1f671f9219b0..8833582c1883 100644 > --- a/drivers/firmware/sysfb.c > +++ b/drivers/firmware/sysfb.c > @@ -141,7 +141,8 @@ static struct device *sysfb_parent_dev(const struct screen_info *si) > > static __init int sysfb_init(void) > { > - struct screen_info *si = &sysfb_primary_display.screen; > + struct sysfb_display_info *dpy = &sysfb_primary_display; > + struct screen_info *si = &dpy->screen; > struct device *parent; > unsigned int type; > struct simplefb_platform_data mode; > @@ -202,7 +203,7 @@ static __init int sysfb_init(void) > > sysfb_set_efifb_fwnode(si, pd); > > - ret = platform_device_add_data(pd, si, sizeof(*si)); > + ret = platform_device_add_data(pd, dpy, sizeof(*dpy)); > if (ret) > goto err; > > diff --git a/drivers/gpu/drm/sysfb/efidrm.c b/drivers/gpu/drm/sysfb/efidrm.c > index 1b683d55d6ea..29533ae8fbbf 100644 > --- a/drivers/gpu/drm/sysfb/efidrm.c > +++ b/drivers/gpu/drm/sysfb/efidrm.c > @@ -4,7 +4,7 @@ > #include > #include > #include > -#include > +#include > > #include > #include > @@ -141,6 +141,7 @@ static const struct drm_mode_config_funcs efidrm_mode_config_funcs = { > static struct efidrm_device *efidrm_device_create(struct drm_driver *drv, > struct platform_device *pdev) > { > + const struct sysfb_display_info *dpy; > const struct screen_info *si; > const struct drm_format_info *format; > int width, height, stride; > @@ -160,9 +161,11 @@ static struct efidrm_device *efidrm_device_create(struct drm_driver *drv, > size_t nformats; > int ret; > > - si = dev_get_platdata(&pdev->dev); > - if (!si) > + dpy = dev_get_platdata(&pdev->dev); > + if (!dpy) > return ERR_PTR(-ENODEV); > + si = &dpy->screen; > + > if (screen_info_video_type(si) != VIDEO_TYPE_EFI) > return ERR_PTR(-ENODEV); > > diff --git a/drivers/gpu/drm/sysfb/vesadrm.c b/drivers/gpu/drm/sysfb/vesadrm.c > index 7b7b5ba26317..16fc223f8c5b 100644 > --- a/drivers/gpu/drm/sysfb/vesadrm.c > +++ b/drivers/gpu/drm/sysfb/vesadrm.c > @@ -4,7 +4,7 @@ > #include > #include > #include > -#include > +#include > > #include > #include > @@ -391,6 +391,7 @@ static const struct drm_mode_config_funcs vesadrm_mode_config_funcs = { > static struct vesadrm_device *vesadrm_device_create(struct drm_driver *drv, > struct platform_device *pdev) > { > + const struct sysfb_display_info *dpy; > const struct screen_info *si; > const struct drm_format_info *format; > int width, height, stride; > @@ -410,9 +411,11 @@ static struct vesadrm_device *vesadrm_device_create(struct drm_driver *drv, > size_t nformats; > int ret; > > - si = dev_get_platdata(&pdev->dev); > - if (!si) > + dpy = dev_get_platdata(&pdev->dev); > + if (!dpy) > return ERR_PTR(-ENODEV); > + si = &dpy->screen; > + > if (screen_info_video_type(si) != VIDEO_TYPE_VLFB) > return ERR_PTR(-ENODEV); > > diff --git a/drivers/video/fbdev/efifb.c b/drivers/video/fbdev/efifb.c > index 0e1bd3dba255..47ebc0107209 100644 > --- a/drivers/video/fbdev/efifb.c > +++ b/drivers/video/fbdev/efifb.c > @@ -15,7 +15,7 @@ > #include > #include > #include > -#include > +#include > #include