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fbdev: Read video= option with fb_get_option() in modedb 

Get the kernel's global video= parameter with fb_get_option(). Done
to unexport the internal fbdev state fb_mode_config. No functional
changes.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230209135509.7786-6-tzimmermann@suse.de
This commit is contained in:
Thomas Zimmermann 2023-02-09 14:55:03 +01:00
parent cbfb263200
commit 089d924d03
1 changed files with 6 additions and 2 deletions
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8
drivers/video/fbdev/core/modedb.c
View File

@ -620,6 +620,7 @@ int fb_find_mode(struct fb_var_screeninfo *var,
const struct fb_videomode *default_mode,
unsigned int default_bpp)
{
char *mode_option_buf = NULL;
int i;
/* Set up defaults */
@ -635,8 +636,10 @@ int fb_find_mode(struct fb_var_screeninfo *var,
default_bpp = 8;
/* Did the user specify a video mode? */
if (!mode_option)
mode_option = fb_mode_option;
if (!mode_option) {
fb_get_options(NULL, &mode_option_buf);
mode_option = mode_option_buf;
}
if (mode_option) {
const char *name = mode_option;
unsigned int namelen = strlen(name);
@ -715,6 +718,7 @@ int fb_find_mode(struct fb_var_screeninfo *var,
res_specified = 1;
}
done:
kfree(mode_option_buf);
if (cvt) {
struct fb_videomode cvt_mode;
int ret;