fbdev/cyber2000fb: 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> Link: https://patchwork.freedesktop.org/patch/msgid/20230927074722.6197-13-tzimmermann@suse.de
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drivers/video/fbdev
@ -184,6 +184,7 @@ config FB_CYBER2000
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select FB_CFB_FILLRECT
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select FB_CFB_COPYAREA
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select FB_CFB_IMAGEBLIT
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select FB_IOMEM_FOPS
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select VIDEO_NOMODESET
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help
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This enables support for the Integraphics CyberPro 20x0 and 5000
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@ -1061,6 +1061,7 @@ static int cyber2000fb_blank(int blank, struct fb_info *info)
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static const struct fb_ops cyber2000fb_ops = {
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.owner = THIS_MODULE,
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__FB_DEFAULT_IOMEM_OPS_RDWR,
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.fb_check_var = cyber2000fb_check_var,
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.fb_set_par = cyber2000fb_set_par,
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.fb_setcolreg = cyber2000fb_setcolreg,
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@ -1070,6 +1071,7 @@ static const struct fb_ops cyber2000fb_ops = {
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.fb_copyarea = cyber2000fb_copyarea,
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.fb_imageblit = cyber2000fb_imageblit,
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.fb_sync = cyber2000fb_sync,
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__FB_DEFAULT_IOMEM_OPS_MMAP,
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};
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/*
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