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fbdev/vfb: Use struct fb_info.screen_buffer
Use info->screen_buffer when reading and writing framebuffers in system memory. It's the correct pointer for this address space. The struct fb_info has a union to store the framebuffer memory. This can either be info->screen_base if the framebuffer is stored in I/O memory, or info->screen_buffer if the framebuffer is stored in system memory. As the driver operates on the latter address space, it is wrong to use .screen_base and .screen_buffer must be used instead. This also gets rid of casting needed due to not using the correct data type. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Javier Martinez Canillas <javierm@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230428122452.4856-13-tzimmermann@suse.de
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1 changed files with 1 additions and 1 deletions
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@ -439,7 +439,7 @@ static int vfb_probe(struct platform_device *dev)
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if (!info)
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goto err;
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info->screen_base = (char __iomem *)videomemory;
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info->screen_buffer = videomemory;
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info->fbops = &vfb_ops;
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if (!fb_find_mode(&info->var, info, mode_option,
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