diff options
author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2023-01-24 21:12:49 +0100 |
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committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2023-01-24 21:12:49 +0100 |
commit | 8ef0ca4a177d2dbe6680fb4388173897900a4ed1 (patch) | |
tree | c67b1e358f50bce724b61b43be885f90a229fad1 /drivers/acpi/acpi_video.c | |
parent | 763bd29fd3d1742153f6c6847ca3b3560e7ca957 (diff) | |
parent | a2c81dc59d41e92362ab7d41d0c15471ea50637d (diff) |
Merge back other thermal control material for 6.3.
* thermal: (734 commits)
thermal: core: call put_device() only after device_register() fails
Linux 6.2-rc4
kbuild: Fix CFI hash randomization with KASAN
firmware: coreboot: Check size of table entry and use flex-array
kallsyms: Fix scheduling with interrupts disabled in self-test
ata: pata_cs5535: Don't build on UML
lockref: stop doing cpu_relax in the cmpxchg loop
x86/pci: Treat EfiMemoryMappedIO as reservation of ECAM space
efi: tpm: Avoid READ_ONCE() for accessing the event log
io_uring: lock overflowing for IOPOLL
ALSA: pcm: Move rwsem lock inside snd_ctl_elem_read to prevent UAF
iommu/mediatek-v1: Fix an error handling path in mtk_iommu_v1_probe()
iommu/iova: Fix alloc iova overflows issue
iommu: Fix refcount leak in iommu_device_claim_dma_owner
iommu/arm-smmu-v3: Don't unregister on shutdown
iommu/arm-smmu: Don't unregister on shutdown
iommu/arm-smmu: Report IOMMU_CAP_CACHE_COHERENCY even betterer
platform/x86: thinkpad_acpi: Fix profile mode display in AMT mode
ALSA: usb-audio: Fix possible NULL pointer dereference in snd_usb_pcm_has_fixed_rate()
platform/x86: int3472/discrete: Ensure the clk/power enable pins are in output mode
...
Diffstat (limited to 'drivers/acpi/acpi_video.c')
-rw-r--r-- | drivers/acpi/acpi_video.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/drivers/acpi/acpi_video.c b/drivers/acpi/acpi_video.c index 30d8fd03fec7..97b711e57bff 100644 --- a/drivers/acpi/acpi_video.c +++ b/drivers/acpi/acpi_video.c @@ -70,11 +70,7 @@ module_param(device_id_scheme, bool, 0444); static int only_lcd = -1; module_param(only_lcd, int, 0444); -/* - * Display probing is known to take up to 5 seconds, so delay the fallback - * backlight registration by 5 seconds + 3 seconds for some extra margin. - */ -static int register_backlight_delay = 8; +static int register_backlight_delay; module_param(register_backlight_delay, int, 0444); MODULE_PARM_DESC(register_backlight_delay, "Delay in seconds before doing fallback (non GPU driver triggered) " @@ -2176,6 +2172,17 @@ static bool should_check_lcd_flag(void) return false; } +/* + * At least one graphics driver has reported that no LCD is connected + * via the native interface. cancel the registration for fallback acpi_video0. + * If another driver still deems this necessary, it can explicitly register it. + */ +void acpi_video_report_nolcd(void) +{ + cancel_delayed_work(&video_bus_register_backlight_work); +} +EXPORT_SYMBOL(acpi_video_report_nolcd); + int acpi_video_register(void) { int ret = 0; |