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| /openbmc/linux/drivers/video/fbdev/ |
| H A D | vfb.c | diff 5a2c399d609bff499fdebfc5d80d8a5fc720630e Fri Apr 28 07:24:45 CDT 2023 Thomas Zimmermann <tzimmermann@suse.de> 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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