fb_set_var identifier - Linux source code next-20260811

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linux

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FIXME
- FIXME
  - next-20260811

Defined in 1 files as a prototype:

include/linux/fb.h, line 532 (as a prototype)

Defined in 1 files as a function:

drivers/video/fbdev/core/fbmem.c, line 232 (as a function)

Referenced in 9 files:

Smatch caller information:

drivers/video/fbdev/core/fbcon.c fbcon_blank() -> fb_set_var()

Type	Parameter	Key	Value
PARAM_VALUE	0	info	4096-ptr_max
PARAM_VALUE	0	info->fbcon_par	4096-ptr_max
PARAM_VALUE	0	info->fbcon_par->graphics	1
PARAM_VALUE	1	var	6355741870574747648
PARAM_VALUE	1	var->activate	640
DATA_SOURCE	0	info	r fbcon_info_from_console
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		global &console_sem

drivers/video/fbdev/core/fbcon.c fbcon_resize() -> fb_set_var()

Type	Parameter	Key	Value
PARAM_VALUE	0	info	4096-ptr_max
PARAM_VALUE	0	info->fbcon_par	4096-ptr_max
PARAM_VALUE	1	var	7323796834300264448
PARAM_VALUE	1	var->activate	128
PARAM_VALUE	1	var->vmode	0-255
PARAM_VALUE	1	var->xoffset	0
PARAM_VALUE	1	var->yoffset	0
DATA_SOURCE	0	info	r fbcon_info_from_console
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		global &console_sem

drivers/video/fbdev/core/fbcon.c fbcon_set_disp() -> fb_set_var()

Type	Parameter	Key	Value
PARAM_VALUE	0	info	4096-ptr_max
PARAM_VALUE	0	info->fbcon_par->bitops->bmove	358624830283558912,720436299731693568,831468009678733312,5647362587788095488,8504779760420265984
PARAM_VALUE	0	info->fbcon_par->bitops->clear	521403232646520832,551109980336709632,2946937881798750208,5928266012869279744,8021089253971767296
PARAM_VALUE	0	info->fbcon_par->bitops->clear_margins	2332376742054326272,3869344602472914944,6310568554524909568,7948939035621462016,8218489519675916288
PARAM_VALUE	0	info->fbcon_par->bitops->cursor	868574231927816192,1057466323525296128,5348809894935224320,6414243839333818368,8306283402744143872
PARAM_VALUE	0	info->fbcon_par->bitops->putcs	2160703045434204160,3282196084730585088,3915716234231488512,5524593610357645312,5974748255006371840
PARAM_VALUE	0	info->fbcon_par->bitops->rotate_font	0,2820989491178905600
PARAM_VALUE	0	info->fbcon_par->bitops->update_start	1284623903226216448,2343379461867827200,5536275800052752384,8034552877633937408,8573967883634688000
PARAM_VALUE	0	info->var.activate	0
PARAM_VALUE	1	var	4096-ptr_max
PARAM_VALUE	1	var->activate	0
BUF_SIZE	0	info	s32min-(-1),1-s32max
BUF_SIZE	0	info	s32min-(-1),1-s32max
CAPPED_DATA	0	info	1
DATA_SOURCE	0	info	$0
DATA_SOURCE	1	var	$1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
NO_OVERFLOW_SIMPLE	0	info->var.xres
NO_OVERFLOW_SIMPLE	0	info->var.xres_virtual
NO_OVERFLOW_SIMPLE	0	info->var.yres
NO_OVERFLOW_SIMPLE	0	info->var.yres_virtual
UNITS	0	info	unit_byte
HALF_LOCKED2		&of->mutex
HALF_LOCKED2		global &console_sem
HALF_LOCKED2	0	&info->lock

drivers/video/fbdev/core/fbcon.c fbcon_switch() -> fb_set_var()

Type	Parameter	Key	Value
PARAM_VALUE	0	info	4096-ptr_max
PARAM_VALUE	0	info->fbcon_par	4096-ptr_max
PARAM_VALUE	0	info->var.activate	0
PARAM_VALUE	1	var	1884482456547725312
PARAM_VALUE	1	var->activate	0
PARAM_VALUE	1	var->xoffset	0
PARAM_VALUE	1	var->yoffset	0
DATA_SOURCE	0	info	r fbcon_info_from_console
MEM_ZERO	1	var
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		global &console_sem

drivers/video/fbdev/core/fbmem.c fb_new_modelist() -> fb_set_var()

Type	Parameter	Key	Value
PARAM_VALUE	0	info	4096-ptr_max
PARAM_VALUE	0	info->lock.dep_map->name	0-255
PARAM_VALUE	0	info->lock.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	info->lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	info->lock.osq.tail.counter	0-s32max
PARAM_VALUE	0	info->modelist.next->next	4096-ptr_max
PARAM_VALUE	0	info->modelist.prev	4096-ptr_max
PARAM_VALUE	0	info->modelist.prev->next	4096-ptr_max
PARAM_VALUE	0	info->modelist.prev->prev	4096-ptr_max
PARAM_VALUE	1	var	2428620827546722304
PARAM_VALUE	1	var->activate	2
PARAM_VALUE	1	var->vmode	0-255
PARAM_VALUE	1	var->xoffset	0
PARAM_VALUE	1	var->yoffset	0
BUF_SIZE	0	info	s32min-(-2),1-s32max
BUF_SIZE	0	info	s32min-(-2),1-s32max
CAPPED_DATA	0	&info->modelist	1
DATA_SOURCE	0	info	$0
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE	1	var->xres
NO_OVERFLOW_SIMPLE	1	var->xres_virtual
NO_OVERFLOW_SIMPLE	1	var->yres
NO_OVERFLOW_SIMPLE	1	var->yres_virtual
UNITS	0	info	unit_byte
LOCK2		&of->mutex
LOCK2		global &console_sem
LOCK2	0	&info->lock
HALF_LOCKED2		&of->prealloc_mutex
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct fb_info)->lock
TYPE_LOCK		(struct kernfs_open_file)->mutex

drivers/video/fbdev/core/fbmem.c fb_set_var_from_user() -> fb_set_var()

Type	Parameter	Key	Value
PARAM_VALUE	0	info	4096-ptr_max
PARAM_VALUE	1	var	437806500500627456,3148070896864743424,4227832740234227712,6105552373246373888,6313600943772692480,6726226436702711808
BUF_SIZE	0	info	s32min-(-1),1-s32max
BUF_SIZE	0	info	s32min-(-1),1-s32max
CAPPED_DATA	0	info	1
DATA_SOURCE	0	info	$0
DATA_SOURCE	1	var	$1
RX_PATH
TASK_NOT_RUNNING
USER_DATA	1	var->accel_flags	0-u32max
USER_DATA	1	var->activate	0-u32max[c]
USER_DATA	1	var->bits_per_pixel	0-u32max
USER_DATA	1	var->blue.length	0-u32max
USER_DATA	1	var->blue.msb_right	0-u32max
USER_DATA	1	var->blue.offset	0-u32max
USER_DATA	1	var->colorspace	0-u32max
USER_DATA	1	var->grayscale	0-u32max
USER_DATA	1	var->green.length	0-u32max
USER_DATA	1	var->green.msb_right	0-u32max
USER_DATA	1	var->green.offset	0-u32max
USER_DATA	1	var->height	0-u32max
USER_DATA	1	var->hsync_len	0-u32max
USER_DATA	1	var->left_margin	0-u32max
USER_DATA	1	var->lower_margin	0-u32max
USER_DATA	1	var->nonstd	0-u32max
USER_DATA	1	var->pixclock	0-u32max
USER_DATA	1	var->red.length	0-u32max
USER_DATA	1	var->red.msb_right	0-u32max
USER_DATA	1	var->red.offset	0-u32max
USER_DATA	1	var->right_margin	0-u32max
USER_DATA	1	var->rotate	0-u32max
USER_DATA	1	var->sync	0-u32max
USER_DATA	1	var->transp.length	0-u32max
USER_DATA	1	var->transp.msb_right	0-u32max
USER_DATA	1	var->transp.offset	0-u32max
USER_DATA	1	var->upper_margin	0-u32max
USER_DATA	1	var->vmode	0-u32max
USER_DATA	1	var->vsync_len	0-u32max
USER_DATA	1	var->width	0-u32max
USER_DATA	1	var->xoffset	0-u32max
USER_DATA	1	var->xres	0-u32max
USER_DATA	1	var->xres_virtual	0-u32max
USER_DATA	1	var->yoffset	0-u32max
USER_DATA	1	var->yres	0-u32max
USER_DATA	1	var->yres_virtual	0-u32max
UNITS	0	info	unit_byte
USER_PTR	1	var->reserved
LOCK2		global &console_sem
HALF_LOCKED2		&ch->open_lock
HALF_LOCKED2		&of->mutex
HALF_LOCKED2	0	&info->lock

drivers/video/fbdev/matrox/matroxfb_crtc2.c matroxfb_dh_regit() -> fb_set_var()

Type	Parameter	Key	Value
PARAM_VALUE	0	info	4096-ptr_max
PARAM_VALUE	0	info->cmap.blue	0,16,4096-ptr_max
PARAM_VALUE	0	info->cmap.green	0,16,4096-ptr_max
PARAM_VALUE	0	info->cmap.len	0
PARAM_VALUE	0	info->cmap.red	0,16,4096-ptr_max
PARAM_VALUE	0	info->cmap.transp	0,16,4096-ptr_max
PARAM_VALUE	0	info->count.refs.counter	1
PARAM_VALUE	0	info->dev	0,4096-ptr_max
PARAM_VALUE	0	info->fbops	5029875733983461376
PARAM_VALUE	0	info->fix.smem_len	0,4096-2147479552
PARAM_VALUE	0	info->fix.xpanstep	8
PARAM_VALUE	0	info->fix.ypanstep	1
PARAM_VALUE	0	info->fix.ywrapstep	0
PARAM_VALUE	0	info->lock.magic	4096-ptr_max
PARAM_VALUE	0	info->mm_lock.magic	4096-ptr_max
PARAM_VALUE	0	info->modelist.prev	1-u64max
PARAM_VALUE	0	info->node	0-31
PARAM_VALUE	1	var	2318362860175286272
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

drivers/video/fbdev/controlfb.c init_control() -> fb_set_var()

Type	Parameter	Key	Value
PARAM_VALUE	0	info	4096-ptr_max
PARAM_VALUE	0	info->cmap.blue	0,16,4096-ptr_max
PARAM_VALUE	0	info->cmap.green	0,16,4096-ptr_max
PARAM_VALUE	0	info->cmap.len	0
PARAM_VALUE	0	info->cmap.red	0,16,4096-ptr_max
PARAM_VALUE	0	info->cmap.start	0
PARAM_VALUE	0	info->cmap.transp	0,16,4096-ptr_max
PARAM_VALUE	0	info->fbops	281257175922462720
PARAM_VALUE	0	info->fix.mmio_len	512
PARAM_VALUE	0	info->fix.mmio_start	1-18446744073709551614
PARAM_VALUE	0	info->fix.type	0
PARAM_VALUE	0	info->fix.ywrapstep	0
PARAM_VALUE	0	info->flags	8192
PARAM_VALUE	0	info->par	4096-ptr_max
PARAM_VALUE	0	info->screen_base	4096-ptr_max
PARAM_VALUE	0	info->screen_buffer	4096-ptr_max
PARAM_VALUE	1	var	2771427674197053440
PARAM_VALUE	1	var->activate	0
PARAM_VALUE	1	var->bits_per_pixel	8,16,32
PARAM_VALUE	1	var->blue.length	5,8
PARAM_VALUE	1	var->blue.msb_right	0
PARAM_VALUE	1	var->blue.offset	0
PARAM_VALUE	1	var->grayscale	0
PARAM_VALUE	1	var->green.length	5,8
PARAM_VALUE	1	var->green.msb_right	0
PARAM_VALUE	1	var->green.offset	0,5,8
PARAM_VALUE	1	var->height	u32max
PARAM_VALUE	1	var->hsync_len	0
PARAM_VALUE	1	var->left_margin	0
PARAM_VALUE	1	var->lower_margin	0
PARAM_VALUE	1	var->nonstd	0
PARAM_VALUE	1	var->pixclock	0
PARAM_VALUE	1	var->red.length	5,8
PARAM_VALUE	1	var->red.msb_right	0
PARAM_VALUE	1	var->red.offset	0,10,16
PARAM_VALUE	1	var->right_margin	0
PARAM_VALUE	1	var->rotate	0
PARAM_VALUE	1	var->sync	0
PARAM_VALUE	1	var->transp.length	0,8
PARAM_VALUE	1	var->transp.msb_right	0
PARAM_VALUE	1	var->transp.offset	0,24
PARAM_VALUE	1	var->upper_margin	0
PARAM_VALUE	1	var->vmode	0
PARAM_VALUE	1	var->vsync_len	0
PARAM_VALUE	1	var->width	u32max
PARAM_VALUE	1	var->xoffset	0
PARAM_VALUE	1	var->xres	0
PARAM_VALUE	1	var->xres_virtual	0
PARAM_VALUE	1	var->yoffset	0
PARAM_VALUE	1	var->yres	0
MEM_ZERO	1	var
NO_OVERFLOW_SIMPLE	0	info->fix.mmio_start

drivers/video/fbdev/matrox/matroxfb_base.c initMatrox2() -> fb_set_var()

Type	Parameter	Key	Value
PARAM_VALUE	0	info	4096-ptr_max
PARAM_VALUE	0	info->cmap.blue	0,16,4096-ptr_max
PARAM_VALUE	0	info->cmap.green	0,16,4096-ptr_max
PARAM_VALUE	0	info->cmap.len	0
PARAM_VALUE	0	info->cmap.red	0,16,4096-ptr_max
PARAM_VALUE	0	info->cmap.transp	0,16,4096-ptr_max
PARAM_VALUE	0	info->count.refs.counter	1
PARAM_VALUE	0	info->dev	0,4096-ptr_max
PARAM_VALUE	0	info->device	4096-ptr_max
PARAM_VALUE	0	info->fbops	4096-ptr_max
PARAM_VALUE	0	info->fix.accel	16-21,26
PARAM_VALUE	0	info->fix.mmio_len	16384
PARAM_VALUE	0	info->fix.mmio_start	1-u64max
PARAM_VALUE	0	info->fix.xpanstep	8
PARAM_VALUE	0	info->fix.ypanstep	1
PARAM_VALUE	0	info->fix.ywrapstep	0
PARAM_VALUE	0	info->lock.magic	4096-ptr_max
PARAM_VALUE	0	info->mm_lock.magic	4096-ptr_max
PARAM_VALUE	0	info->modelist.prev	1-u64max
PARAM_VALUE	0	info->node	0-31
PARAM_VALUE	0	info->var.accel_flags	0-1
PARAM_VALUE	0	info->var.grayscale	0-1
PARAM_VALUE	0	info->var.sync	0-4294967294
PARAM_VALUE	1	var	9049396367696281600
PARAM_VALUE	1	var->accel_flags	0-1
PARAM_VALUE	1	var->activate	0,128-u32max
PARAM_VALUE	1	var->grayscale	0-1
PARAM_VALUE	1	var->sync	0-4294967294
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

drivers/video/fbdev/goldfishfb.c goldfish_fb_probe() -> fb_set_var()

Type	Parameter	Key	Value
PARAM_VALUE	0	info	4096-ptr_max
PARAM_VALUE	0	info->fbops	2511539955828445184
PARAM_VALUE	0	info->fix.type	0
PARAM_VALUE	0	info->fix.visual	2
PARAM_VALUE	0	info->fix.ypanstep	1
PARAM_VALUE	0	info->screen_base	1-ptr_max
PARAM_VALUE	0	info->screen_buffer	0-ptr_max
PARAM_VALUE	0	info->var.bits_per_pixel	16
PARAM_VALUE	0	info->var.blue.length	5
PARAM_VALUE	0	info->var.green.length	6
PARAM_VALUE	0	info->var.green.offset	5
PARAM_VALUE	0	info->var.pixclock	0
PARAM_VALUE	0	info->var.red.length	5
PARAM_VALUE	0	info->var.red.offset	11
PARAM_VALUE	1	var	4096-ptr_max
PARAM_VALUE	1	var->activate	0
PARAM_VALUE	1	var->bits_per_pixel	16
PARAM_VALUE	1	var->blue.length	5
PARAM_VALUE	1	var->blue.offset	0
PARAM_VALUE	1	var->green.length	6
PARAM_VALUE	1	var->green.offset	5
PARAM_VALUE	1	var->pixclock	0
PARAM_VALUE	1	var->red.length	5
PARAM_VALUE	1	var->red.offset	11
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	0	info->var.blue.msb_right	0-u32max
HOST_DATA	0	info->var.green.msb_right	0-u32max
HOST_DATA	0	info->var.red.msb_right	0-u32max
HOST_DATA	0	info->var.transp.length	0-u32max
HOST_DATA	0	info->var.transp.msb_right	0-u32max
HOST_DATA	0	info->var.transp.offset	0-u32max
HOST_DATA	0	info->var.xres	0-u32max
HOST_DATA	0	info->var.xres_virtual	0-u32max
HOST_DATA	0	info->var.yres	0-u32max
HOST_DATA	1	var->blue.msb_right	0-u32max
HOST_DATA	1	var->green.msb_right	0-u32max
HOST_DATA	1	var->red.msb_right	0-u32max
HOST_DATA	1	var->transp.length	0-u32max
HOST_DATA	1	var->transp.msb_right	0-u32max
HOST_DATA	1	var->transp.offset	0-u32max
HOST_DATA	1	var->xres	0-u32max
HOST_DATA	1	var->xres_virtual	0-u32max
HOST_DATA	1	var->yres	0-u32max

drivers/video/fbdev/clps711x-fb.c clps711x_fb_probe() -> fb_set_var()

Type	Parameter	Key	Value
PARAM_VALUE	0	info	4096-ptr_max
PARAM_VALUE	0	info->bl_curve_mutex.dep_map->name	0-255
PARAM_VALUE	0	info->bl_curve_mutex.first_waiter	0
PARAM_VALUE	0	info->bl_curve_mutex.magic	4096-ptr_max
PARAM_VALUE	0	info->bl_curve_mutex.osq.tail.counter	0
PARAM_VALUE	0	info->bl_curve_mutex.owner.counter	0
PARAM_VALUE	0	info->blank	0
PARAM_VALUE	0	info->cmap.blue	0,16,4096-ptr_max
PARAM_VALUE	0	info->cmap.green	0,16,4096-ptr_max
PARAM_VALUE	0	info->cmap.len	0
PARAM_VALUE	0	info->cmap.red	0,16,4096-ptr_max
PARAM_VALUE	0	info->cmap.start	0
PARAM_VALUE	0	info->cmap.transp	0,16,4096-ptr_max
PARAM_VALUE	0	info->device	4096-ptr_max
PARAM_VALUE	0	info->fbcon_rotate_hint	(-1)
PARAM_VALUE	0	info->fbops	8764285266549956608
PARAM_VALUE	0	info->fix.accel	0
PARAM_VALUE	0	info->fix.type	0
PARAM_VALUE	0	info->par	4096-ptr_max
PARAM_VALUE	0	info->screen_base	4096-ptr_max
PARAM_VALUE	0	info->screen_buffer	4096-ptr_max
PARAM_VALUE	0	info->var.activate	128
PARAM_VALUE	0	info->var.height	u32max
PARAM_VALUE	0	info->var.pixclock	0,232-1000000000
PARAM_VALUE	0	info->var.sync	0-3
PARAM_VALUE	0	info->var.vmode	0-255
PARAM_VALUE	0	info->var.width	u32max
PARAM_VALUE	0	info->var.xoffset	0
PARAM_VALUE	0	info->var.yoffset	0
PARAM_VALUE	1	var	4096-ptr_max
PARAM_VALUE	1	var->activate	128
PARAM_VALUE	1	var->height	u32max
PARAM_VALUE	1	var->pixclock	0,232-1000000000
PARAM_VALUE	1	var->sync	0-3
PARAM_VALUE	1	var->vmode	0-255
PARAM_VALUE	1	var->width	u32max
PARAM_VALUE	1	var->xoffset	0
PARAM_VALUE	1	var->yoffset	0
BUF_SIZE	0	info	s32min-s32max
BUF_SIZE	0	info->device	1616
BUF_SIZE	0	info->fbops	168
DATA_SOURCE	0	info	r framebuffer_alloc
BIT_INFO	0	info->fix.smem_start	0x0,0xfffffffff0000000
RX_PATH
TASK_NOT_RUNNING