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| author | Thomas Zimmermann <tzimmermann@suse.de> | 2023-09-27 10:27:18 +0300 |
|---|---|---|
| committer | Thomas Zimmermann <tzimmermann@suse.de> | 2023-10-19 13:57:18 +0300 |
| commit | fb159df356d82db2ddb8658802bd1749480c0194 (patch) | |
| tree | 8d06b80c701c259fc24901901a2f6bb38effcfb7 /drivers/video | |
| parent | e47e199cc23ee466005ee61bda9afc736c00d9d4 (diff) | |
| download | linux-fb159df356d82db2ddb8658802bd1749480c0194.tar.xz | |
fbdev/viafb: Initialize fb_ops to fbdev I/O-memory helpers
Initialize the instance of struct fb_ops with fbdev initializer
macros for framebuffers in I/O address space. Set the read/write,
draw and mmap callbacks to the correct implementation and avoid
implicit defaults. Also select the necessary I/O helpers in Kconfig.
Fbdev drivers sometimes rely on the callbacks being NULL for a
default implementation to be invoked; hence requiring the I/O
helpers to be built in any case. Setting all callbacks in all
drivers explicitly will allow to make the I/O helpers optional.
This benefits systems that do not use these functions.
No functional changes.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Javier Martinez Canillas <javierm@redhat.com>
Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20230927074722.6197-46-tzimmermann@suse.de
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | drivers/video/fbdev/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/video/fbdev/via/viafbdev.c | 2 |
2 files changed, 3 insertions, 0 deletions
diff --git a/drivers/video/fbdev/Kconfig b/drivers/video/fbdev/Kconfig index f05c9b2a4f1a..11a0acbf816d 100644 --- a/drivers/video/fbdev/Kconfig +++ b/drivers/video/fbdev/Kconfig @@ -1240,6 +1240,7 @@ config FB_VIA select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT + select FB_IOMEM_FOPS select I2C_ALGOBIT select VIDEO_NOMODESET help diff --git a/drivers/video/fbdev/via/viafbdev.c b/drivers/video/fbdev/via/viafbdev.c index 190fddee62e6..58868f8880d6 100644 --- a/drivers/video/fbdev/via/viafbdev.c +++ b/drivers/video/fbdev/via/viafbdev.c @@ -2054,6 +2054,7 @@ static struct fb_ops viafb_ops = { .owner = THIS_MODULE, .fb_open = viafb_open, .fb_release = viafb_release, + __FB_DEFAULT_IOMEM_OPS_RDWR, .fb_check_var = viafb_check_var, .fb_set_par = viafb_set_par, .fb_setcolreg = viafb_setcolreg, @@ -2065,6 +2066,7 @@ static struct fb_ops viafb_ops = { .fb_cursor = viafb_cursor, .fb_ioctl = viafb_ioctl, .fb_sync = viafb_sync, + __FB_DEFAULT_IOMEM_OPS_MMAP, }; |