dce8_bandwidth_update identifier - Linux source code next-20260811

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linux

Versions

FIXME
- FIXME
  - next-20260811

Documented in 1 files:

drivers/gpu/drm/radeon/cik.c, line 9375

Defined in 1 files as a prototype:

drivers/gpu/drm/radeon/radeon_asic.h, line 777 (as a prototype)

Defined in 1 files as a function:

drivers/gpu/drm/radeon/cik.c, line 9383 (as a function)

Referenced in 1 files:

drivers/gpu/drm/radeon/radeon_asic.c
- line 2127
- line 2240

Smatch caller information:

drivers/gpu/drm/radeon/atombios_crtc.c avivo_crtc_do_set_base() -> (struct radeon_asic)->display.bandwidth_update()

Type	Parameter	Key	Value
PARAM_VALUE	0	rdev	4096-ptr_max
PARAM_VALUE	0	rdev->asic	4096-ptr_max
BUF_SIZE	0	rdev	s32min-(-2),1-s32max
BUF_SIZE	0	rdev	s32min-(-2),1-s32max
CAPPED_DATA	0	rdev->rmmio_size	1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&crtc->mutex
HALF_LOCKED2		&plane->mutex

drivers/gpu/drm/radeon/atombios_crtc.c dce4_crtc_do_set_base() -> (struct radeon_asic)->display.bandwidth_update()

Type	Parameter	Key	Value
PARAM_VALUE	0	rdev	4096-ptr_max
PARAM_VALUE	0	rdev->asic	4096-ptr_max
BUF_SIZE	0	rdev	s32min-(-2),1-s32max
BUF_SIZE	0	rdev	s32min-(-2),1-s32max
CAPPED_DATA	0	rdev->rmmio_size	1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&crtc->mutex
HALF_LOCKED2		&plane->mutex

drivers/gpu/drm/radeon/radeon_pm.c radeon_dpm_change_power_state_locked() -> (struct radeon_asic)->display.bandwidth_update()

Type	Parameter	Key	Value
PARAM_VALUE	0	rdev	4096-ptr_max
PARAM_VALUE	0	rdev->asic	4096-ptr_max
PARAM_VALUE	0	rdev->pm.dpm.current_ps	1-u64max
PARAM_VALUE	0	rdev->pm.dpm.high_pixelclock_count	0-s32max
PARAM_VALUE	0	rdev->pm.dpm.new_active_crtc_count	0-s32max
PARAM_VALUE	0	rdev->pm.dpm.requested_ps	4096-ptr_max
PARAM_VALUE	0	rdev->pm.dpm_enabled	1
PARAM_VALUE	0	rdev->pm.mutex.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	rdev->pm.mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	rdev->pm.mutex.wait_lock.owner	(-1)
PARAM_VALUE	0	rdev->pm.mutex.wait_lock.owner_cpu	u32max
PARAM_VALUE	0	rdev->pm.pm_method	2
BUF_SIZE	0	rdev	s32min-(-1),1-s32max
BUF_SIZE	0	rdev	s32min-(-1),1-s32max
BUF_SIZE	0	rdev->agp	(-1),144
CAPPED_DATA	0	rdev->pm.dpm.current_ps	1
CAPPED_DATA	0	rdev->pm.dpm.num_ps	1
CAPPED_DATA	0	rdev->pm.dpm.requested_ps	1
CAPPED_DATA	0	rdev->pm.dpm.single_display	1
CAPPED_DATA	0	rdev->pm.dpm.vce_active	1
DATA_SOURCE	0	rdev	$0
PARAM_COMPARE	0	rdev->pm.dpm.current_active_crtcs	!= $0->pm.dpm.new_active_crtcs
PARAM_COMPARE	0	rdev->pm.dpm.current_ps	== $0->pm.dpm.requested_ps
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	0	rdev->config.cik.tile_config	0-16383[c]
HOST_DATA	0	rdev->config.r100.hdp_cntl	0-u32max
HOST_DATA	0	rdev->config.r300.hdp_cntl	0-u32max
HOST_DATA	0	rdev->config.r600.backend_map	0-3[c]
HOST_DATA	0	rdev->config.r600.tile_config	0-262143[c]
HOST_DATA	0	rdev->config.rv770.tile_config	0,2048-u32max[c]
HOST_DATA	0	rdev->gart.num_cpu_pages	0-524287[c]
HOST_DATA	0	rdev->irq.stat_regs.cik.d1grph_int	0-u32max
HOST_DATA	0	rdev->irq.stat_regs.cik.d2grph_int	0-u32max
HOST_DATA	0	rdev->irq.stat_regs.cik.d3grph_int	0-u32max
HOST_DATA	0	rdev->irq.stat_regs.cik.d4grph_int	0-u32max
HOST_DATA	0	rdev->irq.stat_regs.cik.d5grph_int	0-u32max
HOST_DATA	0	rdev->irq.stat_regs.cik.d6grph_int	0-u32max
HOST_DATA	0	rdev->irq.stat_regs.cik.disp_int	0-u32max
HOST_DATA	0	rdev->irq.stat_regs.cik.disp_int_cont	0-u32max
HOST_DATA	0	rdev->irq.stat_regs.cik.disp_int_cont2	0-u32max
HOST_DATA	0	rdev->irq.stat_regs.cik.disp_int_cont3	0-u32max
HOST_DATA	0	rdev->irq.stat_regs.cik.disp_int_cont4	0-u32max
HOST_DATA	0	rdev->irq.stat_regs.cik.disp_int_cont5	0-u32max
HOST_DATA	0	rdev->irq.stat_regs.cik.disp_int_cont6	0-u32max
HOST_DATA	0	rdev->irq.stat_regs.r500.disp_int	0-u32max
HOST_DATA	0	rdev->irq.stat_regs.r500.hdmi0_status	0,268435456
HOST_DATA	0	rdev->mc.aper_base	0-1099511627775
HOST_DATA	0	rdev->mc.gtt_size	0-s32max[c]
HOST_DATA	0	rdev->mc.gtt_start	0-u64max[c]
HOST_DATA	0	rdev->mc.mc_vram_size	0-4503599626321920
HOST_DATA	0	rdev->mc.real_vram_size	0-4503599626321920
HOST_DATA	0	rdev->mc.vram_end	0-9223372039002259453,u64max[c]
HOST_DATA	0	rdev->mc.vram_start	0-9223372036854775807[c]
HOST_DATA	0	rdev->num_gb_pipes	2-4[c]
NO_OVERFLOW_SIMPLE	0	rdev->rmmio_size
LOCK2		&rdev->pm.mutex
HALF_LOCKED2		&of->mutex
HALF_LOCKED2		&rdev->exclusive_lock
TYPE_LOCK		(struct radeon_pm)->mutex

drivers/gpu/drm/radeon/radeon_pm.c radeon_dpm_change_power_state_locked() -> (struct radeon_asic)->display.bandwidth_update()

Type	Parameter	Key	Value
PARAM_VALUE	0	rdev	4096-ptr_max
PARAM_VALUE	0	rdev->asic	4096-ptr_max
PARAM_VALUE	0	rdev->family	47-u32max
PARAM_VALUE	0	rdev->pm.dpm.current_active_crtc_count	2-s32max
PARAM_VALUE	0	rdev->pm.dpm.current_ps	1-u64max
PARAM_VALUE	0	rdev->pm.dpm.high_pixelclock_count	0-s32max
PARAM_VALUE	0	rdev->pm.dpm.new_active_crtc_count	2-s32max
PARAM_VALUE	0	rdev->pm.dpm.requested_ps	4096-ptr_max
PARAM_VALUE	0	rdev->pm.dpm_enabled	1
PARAM_VALUE	0	rdev->pm.mutex.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	rdev->pm.mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	rdev->pm.mutex.wait_lock.owner	(-1)
PARAM_VALUE	0	rdev->pm.mutex.wait_lock.owner_cpu	u32max
PARAM_VALUE	0	rdev->pm.pm_method	2
BUF_SIZE	0	rdev	s32min-(-1),1-s32max
BUF_SIZE	0	rdev	s32min-(-1),1-s32max
BUF_SIZE	0	rdev->agp	(-1),144
CAPPED_DATA	0	rdev->pm.dpm.current_ps	1
CAPPED_DATA	0	rdev->pm.dpm.num_ps	1
CAPPED_DATA	0	rdev->pm.dpm.requested_ps	1
CAPPED_DATA	0	rdev->pm.dpm.single_display	1
CAPPED_DATA	0	rdev->pm.dpm.vce_active	1
DATA_SOURCE	0	rdev	$0
PARAM_COMPARE	0	rdev->pm.dpm.current_active_crtcs	!= $0->pm.dpm.new_active_crtcs
PARAM_COMPARE	0	rdev->pm.dpm.current_ps	== $0->pm.dpm.requested_ps
BIT_INFO	0	rdev->flags	0x0,0xfffffffffffdffff
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	0	rdev->config.cik.tile_config	0-16383[c]
HOST_DATA	0	rdev->config.r100.hdp_cntl	0-u32max
HOST_DATA	0	rdev->config.r300.hdp_cntl	0-u32max
HOST_DATA	0	rdev->config.r600.backend_map	0-3[c]
HOST_DATA	0	rdev->config.r600.tile_config	0-262143[c]
HOST_DATA	0	rdev->config.rv770.tile_config	0,2048-u32max[c]
HOST_DATA	0	rdev->gart.num_cpu_pages	0-524287[c]
HOST_DATA	0	rdev->irq.stat_regs.cik.d1grph_int	0-u32max
HOST_DATA	0	rdev->irq.stat_regs.cik.d2grph_int	0-u32max
HOST_DATA	0	rdev->irq.stat_regs.cik.d3grph_int	0-u32max
HOST_DATA	0	rdev->irq.stat_regs.cik.d4grph_int	0-u32max
HOST_DATA	0	rdev->irq.stat_regs.cik.d5grph_int	0-u32max
HOST_DATA	0	rdev->irq.stat_regs.cik.d6grph_int	0-u32max
HOST_DATA	0	rdev->irq.stat_regs.cik.disp_int	0-u32max
HOST_DATA	0	rdev->irq.stat_regs.cik.disp_int_cont	0-u32max
HOST_DATA	0	rdev->irq.stat_regs.cik.disp_int_cont2	0-u32max
HOST_DATA	0	rdev->irq.stat_regs.cik.disp_int_cont3	0-u32max
HOST_DATA	0	rdev->irq.stat_regs.cik.disp_int_cont4	0-u32max
HOST_DATA	0	rdev->irq.stat_regs.cik.disp_int_cont5	0-u32max
HOST_DATA	0	rdev->irq.stat_regs.cik.disp_int_cont6	0-u32max
HOST_DATA	0	rdev->irq.stat_regs.r500.disp_int	0-u32max
HOST_DATA	0	rdev->irq.stat_regs.r500.hdmi0_status	0,268435456
HOST_DATA	0	rdev->mc.aper_base	0-1099511627775
HOST_DATA	0	rdev->mc.gtt_size	0-s32max[c]
HOST_DATA	0	rdev->mc.gtt_start	0-u64max[c]
HOST_DATA	0	rdev->mc.mc_vram_size	0-4503599626321920
HOST_DATA	0	rdev->mc.real_vram_size	0-4503599626321920
HOST_DATA	0	rdev->mc.vram_end	0-9223372039002259453,u64max[c]
HOST_DATA	0	rdev->mc.vram_start	0-9223372036854775807[c]
HOST_DATA	0	rdev->num_gb_pipes	2-4[c]
NO_OVERFLOW_SIMPLE	0	rdev->rmmio_size
LOCK2		&rdev->pm.mutex
HALF_LOCKED2		&of->mutex
HALF_LOCKED2		&rdev->exclusive_lock
TYPE_LOCK		(struct radeon_pm)->mutex

drivers/gpu/drm/radeon/radeon_pm.c radeon_dpm_change_power_state_locked() -> (struct radeon_asic)->display.bandwidth_update()

Type	Parameter	Key	Value
PARAM_VALUE	0	rdev	4096-ptr_max
PARAM_VALUE	0	rdev->asic	4096-ptr_max
PARAM_VALUE	0	rdev->pm.dpm.high_pixelclock_count	0-s32max
PARAM_VALUE	0	rdev->pm.dpm.new_active_crtc_count	0-s32max
PARAM_VALUE	0	rdev->pm.dpm.requested_ps	1-u64max
PARAM_VALUE	0	rdev->pm.dpm_enabled	1
PARAM_VALUE	0	rdev->pm.mclk_lock.osq.tail.counter	0-s32max
PARAM_VALUE	0	rdev->pm.mclk_lock.wait_lock.owner	(-1)
PARAM_VALUE	0	rdev->pm.mclk_lock.wait_lock.owner_cpu	u32max
PARAM_VALUE	0	rdev->pm.mutex.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	rdev->pm.mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	rdev->pm.mutex.wait_lock.owner	(-1)
PARAM_VALUE	0	rdev->pm.mutex.wait_lock.owner_cpu	u32max
PARAM_VALUE	0	rdev->pm.pm_method	2
PARAM_VALUE	0	rdev->ring_lock.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	rdev->ring_lock.osq.tail.counter	0-s32max
PARAM_VALUE	0	rdev->ring_lock.wait_lock.owner	(-1)
PARAM_VALUE	0	rdev->ring_lock.wait_lock.owner_cpu	u32max
BUF_SIZE	0	rdev	s32min-(-1),1-s32max
BUF_SIZE	0	rdev	s32min-(-1),1-s32max
BUF_SIZE	0	rdev->agp	(-1),144
CAPPED_DATA	0	rdev->pm.dpm.num_ps	1
CAPPED_DATA	0	rdev->pm.dpm.requested_ps	1
CAPPED_DATA	0	&rdev->pm.mclk_lock	1
CAPPED_DATA	0	&rdev->ring_lock	1
DATA_SOURCE	0	rdev	$0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	0	rdev->config.cik.tile_config	0-16383[c]
HOST_DATA	0	rdev->config.r100.hdp_cntl	0-u32max
HOST_DATA	0	rdev->config.r300.hdp_cntl	0-u32max
HOST_DATA	0	rdev->config.r600.backend_map	0-3[c]
HOST_DATA	0	rdev->config.r600.tile_config	0-262143[c]
HOST_DATA	0	rdev->config.rv770.tile_config	0,2048-u32max[c]
HOST_DATA	0	rdev->gart.num_cpu_pages	0-524287[c]
HOST_DATA	0	rdev->irq.stat_regs.cik.d1grph_int	0-u32max
HOST_DATA	0	rdev->irq.stat_regs.cik.d2grph_int	0-u32max
HOST_DATA	0	rdev->irq.stat_regs.cik.d3grph_int	0-u32max
HOST_DATA	0	rdev->irq.stat_regs.cik.d4grph_int	0-u32max
HOST_DATA	0	rdev->irq.stat_regs.cik.d5grph_int	0-u32max
HOST_DATA	0	rdev->irq.stat_regs.cik.d6grph_int	0-u32max
HOST_DATA	0	rdev->irq.stat_regs.cik.disp_int	0-u32max
HOST_DATA	0	rdev->irq.stat_regs.cik.disp_int_cont	0-u32max
HOST_DATA	0	rdev->irq.stat_regs.cik.disp_int_cont2	0-u32max
HOST_DATA	0	rdev->irq.stat_regs.cik.disp_int_cont3	0-u32max
HOST_DATA	0	rdev->irq.stat_regs.cik.disp_int_cont4	0-u32max
HOST_DATA	0	rdev->irq.stat_regs.cik.disp_int_cont5	0-u32max
HOST_DATA	0	rdev->irq.stat_regs.cik.disp_int_cont6	0-u32max
HOST_DATA	0	rdev->irq.stat_regs.r500.disp_int	0-u32max
HOST_DATA	0	rdev->irq.stat_regs.r500.hdmi0_status	0,268435456
HOST_DATA	0	rdev->mc.aper_base	0-1099511627775
HOST_DATA	0	rdev->mc.gtt_size	0-s32max[c]
HOST_DATA	0	rdev->mc.gtt_start	0-u64max[c]
HOST_DATA	0	rdev->mc.mc_vram_size	0-4503599626321920
HOST_DATA	0	rdev->mc.real_vram_size	0-4503599626321920
HOST_DATA	0	rdev->mc.vram_end	0-9223372039002259453,u64max[c]
HOST_DATA	0	rdev->mc.vram_start	0-9223372036854775807[c]
HOST_DATA	0	rdev->num_gb_pipes	2-4[c]
NO_OVERFLOW_SIMPLE	0	rdev->rmmio_size
LOCK2		&rdev->pm.mclk_lock
LOCK2		&rdev->pm.mutex
LOCK2		&rdev->ring_lock
HALF_LOCKED2		&of->mutex
HALF_LOCKED2		&rdev->exclusive_lock
TYPE_LOCK		(struct radeon_device)->ring_lock
TYPE_LOCK		(struct radeon_pm)->mclk_lock
TYPE_LOCK		(struct radeon_pm)->mutex

drivers/gpu/drm/radeon/radeon_pm.c radeon_pm_set_clocks() -> (struct radeon_asic)->display.bandwidth_update()

Type	Parameter	Key	Value
PARAM_VALUE	0	rdev	4096-ptr_max
PARAM_VALUE	0	rdev->asic	4096-ptr_max
PARAM_VALUE	0	rdev->pm.active_crtc_count	s32min-(-1),1-s32max
PARAM_VALUE	0	rdev->pm.core_bandwidth.full	0-4294963200
PARAM_VALUE	0	rdev->pm.mclk.full	0-4294963200
PARAM_VALUE	0	rdev->pm.mclk_lock.osq.tail.counter	0-s32max
PARAM_VALUE	0	rdev->pm.mclk_lock.wait_lock.owner	(-1)
PARAM_VALUE	0	rdev->pm.mclk_lock.wait_lock.owner_cpu	u32max
PARAM_VALUE	0	rdev->pm.mutex.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	rdev->pm.mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	rdev->pm.mutex.wait_lock.owner	(-1)
PARAM_VALUE	0	rdev->pm.mutex.wait_lock.owner_cpu	u32max
PARAM_VALUE	0	rdev->pm.sclk.full	0-4294963200
PARAM_VALUE	0	rdev->ring_lock.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	rdev->ring_lock.osq.tail.counter	0-s32max
PARAM_VALUE	0	rdev->ring_lock.wait_lock.owner	(-1)
PARAM_VALUE	0	rdev->ring_lock.wait_lock.owner_cpu	u32max
BUF_SIZE	0	rdev	s32min-(-1),1-s32max
BUF_SIZE	0	rdev	s32min-(-1),1-s32max
BUF_SIZE	0	rdev->agp	(-1),144
CAPPED_DATA	0	&rdev->pm.mclk_lock	1
CAPPED_DATA	0	&rdev->ring_lock	1
DATA_SOURCE	0	rdev	$0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	0	rdev->config.cik.tile_config	0-16383[c]
HOST_DATA	0	rdev->config.r100.hdp_cntl	0-u32max
HOST_DATA	0	rdev->config.r300.hdp_cntl	0-u32max
HOST_DATA	0	rdev->config.r600.backend_map	0-3[c]
HOST_DATA	0	rdev->config.r600.tile_config	0-262143[c]
HOST_DATA	0	rdev->config.rv770.tile_config	0,2048-u32max[c]
HOST_DATA	0	rdev->gart.num_cpu_pages	0-524287[c]
HOST_DATA	0	rdev->irq.stat_regs.cik.d1grph_int	0-u32max
HOST_DATA	0	rdev->irq.stat_regs.cik.d2grph_int	0-u32max
HOST_DATA	0	rdev->irq.stat_regs.cik.d3grph_int	0-u32max
HOST_DATA	0	rdev->irq.stat_regs.cik.d4grph_int	0-u32max
HOST_DATA	0	rdev->irq.stat_regs.cik.d5grph_int	0-u32max
HOST_DATA	0	rdev->irq.stat_regs.cik.d6grph_int	0-u32max
HOST_DATA	0	rdev->irq.stat_regs.cik.disp_int	0-u32max
HOST_DATA	0	rdev->irq.stat_regs.cik.disp_int_cont	0-u32max
HOST_DATA	0	rdev->irq.stat_regs.cik.disp_int_cont2	0-u32max
HOST_DATA	0	rdev->irq.stat_regs.cik.disp_int_cont3	0-u32max
HOST_DATA	0	rdev->irq.stat_regs.cik.disp_int_cont4	0-u32max
HOST_DATA	0	rdev->irq.stat_regs.cik.disp_int_cont5	0-u32max
HOST_DATA	0	rdev->irq.stat_regs.cik.disp_int_cont6	0-u32max
HOST_DATA	0	rdev->irq.stat_regs.r500.disp_int	0-u32max
HOST_DATA	0	rdev->irq.stat_regs.r500.hdmi0_status	0,268435456
HOST_DATA	0	rdev->mc.aper_base	0-1099511627775
HOST_DATA	0	rdev->mc.gtt_size	0-s32max[c]
HOST_DATA	0	rdev->mc.gtt_start	0-u64max[c]
HOST_DATA	0	rdev->mc.mc_vram_size	0-4503599626321920
HOST_DATA	0	rdev->mc.real_vram_size	0-4503599626321920
HOST_DATA	0	rdev->mc.vram_end	0-9223372039002259453,u64max[c]
HOST_DATA	0	rdev->mc.vram_start	0-9223372036854775807[c]
HOST_DATA	0	rdev->num_gb_pipes	2-4[c]
NO_OVERFLOW_SIMPLE	0	rdev->rmmio_size
LOCK2		&rdev->pm.mclk_lock
LOCK2		&rdev->pm.mutex
LOCK2		&rdev->ring_lock
HALF_LOCKED2		&of->mutex
TYPE_LOCK		(struct radeon_device)->ring_lock
TYPE_LOCK		(struct radeon_pm)->mclk_lock
TYPE_LOCK		(struct radeon_pm)->mutex

drivers/gpu/drm/radeon/radeon_legacy_crtc.c radeon_crtc_do_set_base() -> (struct radeon_asic)->display.bandwidth_update()

Type	Parameter	Key	Value
PARAM_VALUE	0	rdev	4096-ptr_max
PARAM_VALUE	0	rdev->asic	4096-ptr_max
BUF_SIZE	0	rdev	s32min-(-2),1-s32max
BUF_SIZE	0	rdev	s32min-(-2),1-s32max
CAPPED_DATA	0	rdev->rmmio_size	1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&crtc->mutex
HALF_LOCKED2		&plane->mutex