diff options
| author | Thomas Zimmermann <tzimmermann@suse.de> | 2024-02-12 12:06:10 +0300 |
|---|---|---|
| committer | Thomas Zimmermann <tzimmermann@suse.de> | 2024-02-14 12:09:16 +0300 |
| commit | 036105e3a776b6fc2fe0d262896a23ff2cc2e6b1 (patch) | |
| tree | 2849d117a6ab8067abc637f14721a728ee839d26 /include/linux | |
| parent | 75fa9b7e375e35739663cde0252d31e586c6314a (diff) | |
| download | linux-036105e3a776b6fc2fe0d262896a23ff2cc2e6b1.tar.xz | |
video: Provide screen_info_get_pci_dev() to find screen_info's PCI device
Add screen_info_get_pci_dev() to find the PCI device of an instance
of screen_info. Does nothing on systems without PCI bus.
v3:
* search PCI device with pci_get_base_class() (Sui)
v2:
* remove ret from screen_info_pci_dev() (Javier)
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240212090736.11464-3-tzimmermann@suse.de
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/screen_info.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/screen_info.h b/include/linux/screen_info.h index e7a02c5609d1..0eae08e3c6f9 100644 --- a/include/linux/screen_info.h +++ b/include/linux/screen_info.h @@ -9,6 +9,7 @@ */ #define SCREEN_INFO_MAX_RESOURCES 3 +struct pci_dev; struct resource; static inline bool __screen_info_has_lfb(unsigned int type) @@ -104,6 +105,15 @@ static inline unsigned int screen_info_video_type(const struct screen_info *si) ssize_t screen_info_resources(const struct screen_info *si, struct resource *r, size_t num); +#if defined(CONFIG_PCI) +struct pci_dev *screen_info_pci_dev(const struct screen_info *si); +#else +static inline struct pci_dev *screen_info_pci_dev(const struct screen_info *si) +{ + return NULL; +} +#endif + extern struct screen_info screen_info; #endif /* _SCREEN_INFO_H */ |