[Intel-gfx] [PATCH v6] drm/i915: respect the VBT minimum backlight brightness again
Shih-Yuan Lee (FourDollars)
fourdollars at gmail.com
Thu Nov 12 02:01:26 PST 2015
I guess your Linux kernel 3.18.20cobalt might be too old for your new
computer.
Try some newer kernels?
I know there are mainline kernels for Debian/Ubuntu users to try.
http://kernel.ubuntu.com/~kernel-ppa/mainline/
But I have no idea if SUSE Linux also provided the similar way for SUSE
users.
On Thu, Nov 12, 2015 at 5:05 PM, Stéphane ANCELOT <sancelot at free.fr> wrote:
> On 12/11/2015 09:57, Shih-Yuan Lee (FourDollars) wrote:
>
> You may need to put "drm.debug=0xe" into the kernel parameter and reboot
> the system to collect some system log.
> Did you check the brightness value after you change it?
>
> Yes, the value is well written after writing it.
> Here is the log
>
> [ 0.000000] CPU0 microcode updated early to revision 0x1c, date =
> 2014-07-03
> [ 0.000000] Initializing cgroup subsys cpuset
> [ 0.000000] Initializing cgroup subsys cpu
> [ 0.000000] Initializing cgroup subsys cpuacct
> [ 0.000000] Linux version 3.18.20cobalt (root at automatisme5) (gcc
> version 4.8.3 20140627 [gcc-4_8-branch revision 212064] (SUSE Linux) ) #1
> SMP PREEMPT Tue Nov 3 14:54:19 UTC 2015
> [ 0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-3.18.20cobalt
> root=/dev/sda1 resume=/dev/sda1 splash=verbose quiet showopts xenomai.smi=1
> xenomai.smi_mask=0x0860ffff xenomai.allowed_group=1000 intel_pstate=off
> drm.debug=0xe
> [ 0.000000] e820: BIOS-provided physical RAM map:
> [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009d7ff]
> usable
> [ 0.000000] BIOS-e820: [mem 0x000000000009d800-0x000000000009ffff]
> reserved
> [ 0.000000] BIOS-e820: [mem 0x00000000000e0000-0x00000000000fffff]
> reserved
> [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x00000000cbd08fff]
> usable
> [ 0.000000] BIOS-e820: [mem 0x00000000cbd09000-0x00000000cbd0ffff] ACPI
> NVS
> [ 0.000000] BIOS-e820: [mem 0x00000000cbd10000-0x00000000cc3cefff]
> usable
> [ 0.000000] BIOS-e820: [mem 0x00000000cc3cf000-0x00000000cc622fff]
> reserved
> [ 0.000000] BIOS-e820: [mem 0x00000000cc623000-0x00000000db865fff]
> usable
> [ 0.000000] BIOS-e820: [mem 0x00000000db866000-0x00000000db8fefff]
> reserved
> [ 0.000000] BIOS-e820: [mem 0x00000000db8ff000-0x00000000db918fff] ACPI
> data
> [ 0.000000] BIOS-e820: [mem 0x00000000db919000-0x00000000dba6efff] ACPI
> NVS
> [ 0.000000] BIOS-e820: [mem 0x00000000dba6f000-0x00000000dbffefff]
> reserved
> [ 0.000000] BIOS-e820: [mem 0x00000000dbfff000-0x00000000dbffffff]
> usable
> [ 0.000000] BIOS-e820: [mem 0x00000000dd000000-0x00000000df1fffff]
> reserved
> [ 0.000000] BIOS-e820: [mem 0x00000000f8000000-0x00000000fbffffff]
> reserved
> [ 0.000000] BIOS-e820: [mem 0x00000000fec00000-0x00000000fec00fff]
> reserved
> [ 0.000000] BIOS-e820: [mem 0x00000000fed00000-0x00000000fed03fff]
> reserved
> [ 0.000000] BIOS-e820: [mem 0x00000000fed1c000-0x00000000fed1ffff]
> reserved
> [ 0.000000] BIOS-e820: [mem 0x00000000fee00000-0x00000000fee00fff]
> reserved
> [ 0.000000] BIOS-e820: [mem 0x00000000ff000000-0x00000000ffffffff]
> reserved
> [ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000011fdfffff]
> usable
> [ 0.000000] NX (Execute Disable) protection: active
> [ 0.000000] SMBIOS 2.8 present.
> [ 0.000000] DMI: To be filled by O.E.M. To be filled by
> O.E.M./SMB-2600, BIOS 4.6.5 01/15/2015
> [ 0.000000] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved
> [ 0.000000] e820: remove [mem 0x000a0000-0x000fffff] usable
> [ 0.000000] e820: last_pfn = 0x11fe00 max_arch_pfn = 0x400000000
> [ 0.000000] MTRR default type: uncachable
> [ 0.000000] MTRR fixed ranges enabled:
> [ 0.000000] 00000-9FFFF write-back
> [ 0.000000] A0000-BFFFF uncachable
> [ 0.000000] C0000-CFFFF write-protect
> [ 0.000000] D0000-E7FFF uncachable
> [ 0.000000] E8000-FFFFF write-protect
> [ 0.000000] MTRR variable ranges enabled:
> [ 0.000000] 0 base 0000000000 mask 7F00000000 write-back
> [ 0.000000] 1 base 0100000000 mask 7FE0000000 write-back
> [ 0.000000] 2 base 00E0000000 mask 7FE0000000 uncachable
> [ 0.000000] 3 base 00DE000000 mask 7FFE000000 uncachable
> [ 0.000000] 4 base 00DD000000 mask 7FFF000000 uncachable
> [ 0.000000] 5 base 011FE00000 mask 7FFFE00000 uncachable
> [ 0.000000] 6 disabled
> [ 0.000000] 7 disabled
> [ 0.000000] 8 disabled
> [ 0.000000] 9 disabled
> [ 0.000000] x86 PAT enabled: cpu 0, old 0x7040600070406, new
> 0x7010600070106
> [ 0.000000] e820: update [mem 0xdd000000-0xffffffff] usable ==> reserved
> [ 0.000000] e820: last_pfn = 0xdc000 max_arch_pfn = 0x400000000
> [ 0.000000] found SMP MP-table at [mem 0x000fd7e0-0x000fd7ef] mapped at
> [ffff8800000fd7e0]
> [ 0.000000] Base memory trampoline at [ffff880000097000] 97000 size
> 24576
> [ 0.000000] Using GB pages for direct mapping
> [ 0.000000] init_memory_mapping: [mem 0x00000000-0x000fffff]
> [ 0.000000] [mem 0x00000000-0x000fffff] page 4k
> [ 0.000000] BRK [0x01b1d000, 0x01b1dfff] PGTABLE
> [ 0.000000] BRK [0x01b1e000, 0x01b1efff] PGTABLE
> [ 0.000000] BRK [0x01b1f000, 0x01b1ffff] PGTABLE
> [ 0.000000] init_memory_mapping: [mem 0x11fc00000-0x11fdfffff]
> [ 0.000000] [mem 0x11fc00000-0x11fdfffff] page 2M
> [ 0.000000] BRK [0x01b20000, 0x01b20fff] PGTABLE
> [ 0.000000] init_memory_mapping: [mem 0x11c000000-0x11fbfffff]
> [ 0.000000] [mem 0x11c000000-0x11fbfffff] page 2M
> [ 0.000000] init_memory_mapping: [mem 0x100000000-0x11bffffff]
> [ 0.000000] [mem 0x100000000-0x11bffffff] page 2M
> [ 0.000000] init_memory_mapping: [mem 0x00100000-0xcbd08fff]
> [ 0.000000] [mem 0x00100000-0x001fffff] page 4k
> [ 0.000000] [mem 0x00200000-0x3fffffff] page 2M
> [ 0.000000] [mem 0x40000000-0xbfffffff] page 1G
> [ 0.000000] [mem 0xc0000000-0xcbbfffff] page 2M
> [ 0.000000] [mem 0xcbc00000-0xcbd08fff] page 4k
> [ 0.000000] init_memory_mapping: [mem 0xcbd10000-0xcc3cefff]
> [ 0.000000] [mem 0xcbd10000-0xcbdfffff] page 4k
> [ 0.000000] [mem 0xcbe00000-0xcc1fffff] page 2M
> [ 0.000000] [mem 0xcc200000-0xcc3cefff] page 4k
> [ 0.000000] BRK [0x01b21000, 0x01b21fff] PGTABLE
> [ 0.000000] init_memory_mapping: [mem 0xcc623000-0xdb865fff]
> [ 0.000000] [mem 0xcc623000-0xcc7fffff] page 4k
> [ 0.000000] [mem 0xcc800000-0xdb7fffff] page 2M
> [ 0.000000] [mem 0xdb800000-0xdb865fff] page 4k
> [ 0.000000] BRK [0x01b22000, 0x01b22fff] PGTABLE
> [ 0.000000] init_memory_mapping: [mem 0xdbfff000-0xdbffffff]
> [ 0.000000] [mem 0xdbfff000-0xdbffffff] page 4k
> [ 0.000000] RAMDISK: [mem 0x3755c000-0x37aa5fff]
> [ 0.000000] ACPI: Early table checksum verification disabled
> [ 0.000000] ACPI: RSDP 0x00000000000F04A0 000024 (v02 ALASKA)
> [ 0.000000] ACPI: XSDT 0x00000000DB904088 000094 (v01 ALASKA A M I
> 01072009 AMI 00010013)
> [ 0.000000] ACPI: FACP 0x00000000DB913B50 00010C (v05 ALASKA A M I
> 01072009 AMI 00010013)
> [ 0.000000] ACPI: DSDT 0x00000000DB9041B0 00F99A (v02 ALASKA A M I
> 00000036 INTL 20120711)
> [ 0.000000] ACPI: FACS 0x00000000DBA6EF80 000040
> [ 0.000000] ACPI: APIC 0x00000000DB913C60 000072 (v03 ALASKA A M I
> 01072009 AMI 00010013)
> [ 0.000000] ACPI: FPDT 0x00000000DB913CD8 000044 (v01 ALASKA A M I
> 01072009 AMI 00010013)
> [ 0.000000] ACPI: ASF! 0x00000000DB913D20 0000A5 (v32 INTEL HCG
> 00000001 TFSM 000F4240)
> [ 0.000000] ACPI: LPIT 0x00000000DB913DC8 000094 (v01 ALASKA
> 00000000 AMI. 00000005)
> [ 0.000000] ACPI: SSDT 0x00000000DB913E60 000228 (v01 INTEL sensrhub
> 00000000 INTL 20120711)
> [ 0.000000] ACPI: SSDT 0x00000000DB914088 000141 (v01 Intel zpoddult
> 00001000 INTL 20120711)
> [ 0.000000] ACPI: SSDT 0x00000000DB9141D0 000539 (v01 PmRef Cpu0Ist
> 00003000 INTL 20120711)
> [ 0.000000] ACPI: SSDT 0x00000000DB914710 000AD8 (v01 PmRef CpuPm
> 00003000 INTL 20120711)
> [ 0.000000] ACPI: MCFG 0x00000000DB9151E8 00003C (v01 ALASKA A M I
> 01072009 MSFT 00000097)
> [ 0.000000] ACPI: HPET 0x00000000DB915228 000038 (v01 ALASKA A M I
> 01072009 AMI. 00000005)
> [ 0.000000] ACPI: SSDT 0x00000000DB915260 000315 (v01 SataRe SataTabl
> 00001000 INTL 20120711)
> [ 0.000000] ACPI: SSDT 0x00000000DB915578 003528 (v01 SaSsdt SaSsdt
> 00003000 INTL 20091112)
> [ 0.000000] ACPI: DMAR 0x00000000DB918AA0 0000F8 (v01 INTEL HSW
> 00000001 INTL 00000001)
> [ 0.000000] ACPI: Local APIC address 0xfee00000
> [ 0.000000] No NUMA configuration found
> [ 0.000000] Faking a node at [mem 0x0000000000000000-0x000000011fdfffff]
> [ 0.000000] NODE_DATA(0) allocated [mem 0x11fdf8000-0x11fdfbfff]
> [ 0.000000] [ffffea0000000000-ffffea00047fffff] PMD ->
> [ffff88011b400000-ffff88011f3fffff] on node 0
> [ 0.000000] Zone ranges:
> [ 0.000000] DMA [mem 0x00001000-0x00ffffff]
> [ 0.000000] DMA32 [mem 0x01000000-0xffffffff]
> [ 0.000000] Normal [mem 0x100000000-0x11fdfffff]
> [ 0.000000] Movable zone start for each node
> [ 0.000000] Early memory node ranges
> [ 0.000000] node 0: [mem 0x00001000-0x0009cfff]
> [ 0.000000] node 0: [mem 0x00100000-0xcbd08fff]
> [ 0.000000] node 0: [mem 0xcbd10000-0xcc3cefff]
> [ 0.000000] node 0: [mem 0xcc623000-0xdb865fff]
> [ 0.000000] node 0: [mem 0xdbfff000-0xdbffffff]
> [ 0.000000] node 0: [mem 0x100000000-0x11fdfffff]
> [ 0.000000] Initmem setup node 0 [mem 0x00001000-0x11fdfffff]
> [ 0.000000] On node 0 totalpages: 1029032
> [ 0.000000] DMA zone: 64 pages used for memmap
> [ 0.000000] DMA zone: 21 pages reserved
> [ 0.000000] DMA zone: 3996 pages, LIFO batch:0
> [ 0.000000] DMA32 zone: 13977 pages used for memmap
> [ 0.000000] DMA32 zone: 894476 pages, LIFO batch:31
> [ 0.000000] Normal zone: 2040 pages used for memmap
> [ 0.000000] Normal zone: 130560 pages, LIFO batch:31
> [ 0.000000] Reserving Intel graphics stolen memory at
> 0xdd200000-0xdf1fffff
> [ 0.000000] ACPI: PM-Timer IO Port: 0x1808
> [ 0.000000] ACPI: Local APIC address 0xfee00000
> [ 0.000000] ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled)
> [ 0.000000] ACPI: LAPIC (acpi_id[0x02] lapic_id[0x02] enabled)
> [ 0.000000] ACPI: LAPIC (acpi_id[0x03] lapic_id[0x01] enabled)
> [ 0.000000] ACPI: LAPIC (acpi_id[0x04] lapic_id[0x03] enabled)
> [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0xff] high edge lint[0x1])
> [ 0.000000] ACPI: IOAPIC (id[0x08] address[0xfec00000] gsi_base[0])
> [ 0.000000] IOAPIC[0]: apic_id 8, version 32, address 0xfec00000, GSI
> 0-39
> [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
> [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
> [ 0.000000] ACPI: IRQ0 used by override.
> [ 0.000000] ACPI: IRQ9 used by override.
> [ 0.000000] Using ACPI (MADT) for SMP configuration information
> [ 0.000000] ACPI: HPET id: 0x8086a701 base: 0xfed00000
> [ 0.000000] smpboot: Allowing 4 CPUs, 0 hotplug CPUs
> [ 0.000000] e820: [mem 0xdf200000-0xf7ffffff] available for PCI devices
> [ 0.000000] setup_percpu: NR_CPUS:16 nr_cpumask_bits:16 nr_cpu_ids:4
> nr_node_ids:1
> [ 0.000000] PERCPU: Embedded 46 pages/cpu @ffff88011fa00000 s149760
> r8192 d30464 u524288
> [ 0.000000] pcpu-alloc: s149760 r8192 d30464 u524288 alloc=1*2097152
> [ 0.000000] pcpu-alloc: [0] 0 1 2 3
> [ 0.000000] Built 1 zonelists in Node order, mobility grouping on.
> Total pages: 1012930
> [ 0.000000] Policy zone: Normal
> [ 0.000000] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-3.18.20cobalt
> root=/dev/sda1 resume=/dev/sda1 splash=verbose quiet showopts xenomai.smi=1
> xenomai.smi_mask=0x0860ffff xenomai.allowed_group=1000 intel_pstate=off
> drm.debug=0xe
> [ 0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes)
> [ 0.000000] xsave: enabled xstate_bv 0x7, cntxt size 0x340 using
> standard form
> [ 0.000000] Memory: 3966796K/4116128K available (4248K kernel code,
> 568K rwdata, 1736K rodata, 880K init, 1716K bss, 149332K reserved)
> [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1
> [ 0.000000] Preemptible hierarchical RCU implementation.
> [ 0.000000] RCU dyntick-idle grace-period acceleration is enabled.
> [ 0.000000] RCU restricting CPUs from NR_CPUS=16 to nr_cpu_ids=4.
> [ 0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4
> [ 0.000000] NR_IRQS:4352 nr_irqs:728 0
> [ 0.000000] Interrupt pipeline (release #3)
> [ 0.000000] spurious 8259A interrupt: IRQ7.
> [ 0.000000] Console: colour VGA+ 80x25
> [ 0.000000] console [tty0] enabled
> [ 0.000000] hpet clockevent registered
> [ 0.000000] tsc: Fast TSC calibration using PIT
> [ 0.000000] tsc: Detected 2494.249 MHz processor
> [ 0.000002] Calibrating delay loop (skipped), value calculated using
> timer frequency.. 4988.49 BogoMIPS (lpj=9976996)
> [ 0.000006] pid_max: default: 32768 minimum: 301
> [ 0.000012] ACPI: Core revision 20140926
> [ 0.019303] ACPI: All ACPI Tables successfully acquired
> [ 0.019723] Security Framework initialized
> [ 0.020316] Dentry cache hash table entries: 524288 (order: 10, 4194304
> bytes)
> [ 0.021416] Inode-cache hash table entries: 262144 (order: 9, 2097152
> bytes)
> [ 0.021839] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes)
> [ 0.021850] Mountpoint-cache hash table entries: 8192 (order: 4, 65536
> bytes)
> [ 0.022082] Initializing cgroup subsys devices
> [ 0.022085] Initializing cgroup subsys freezer
> [ 0.022088] Initializing cgroup subsys net_cls
> [ 0.022090] Initializing cgroup subsys blkio
> [ 0.022093] Initializing cgroup subsys perf_event
> [ 0.022116] CPU: Physical Processor ID: 0
> [ 0.022117] CPU: Processor Core ID: 0
> [ 0.022122] ENERGY_PERF_BIAS: Set to 'normal', was 'performance'
> ENERGY_PERF_BIAS: View and update with x86_energy_perf_policy(8)
> [ 0.023246] mce: CPU supports 7 MCE banks
> [ 0.023260] CPU0: Thermal monitoring enabled (TM1)
> [ 0.023270] process: using mwait in idle threads
> [ 0.023275] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024
> Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4
> [ 0.023398] Freeing SMP alternatives memory: 12K (ffffffff8196c000 -
> ffffffff8196f000)
> [ 0.023956] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=0 pin2=0
> [ 0.063689] smpboot: CPU0: Intel(R) Core(TM) i5-4300U CPU @ 1.90GHz
> (fam: 06, model: 45, stepping: 01)
> [ 0.063699] TSC deadline timer enabled
> [ 0.063716] Performance Events: PEBS fmt2+, 16-deep LBR, Haswell
> events, full-width counters, Intel PMU driver.
> [ 0.063742] ... version: 3
> [ 0.063743] ... bit width: 48
> [ 0.063745] ... generic registers: 4
> [ 0.063746] ... value mask: 0000ffffffffffff
> [ 0.063748] ... max period: 0000ffffffffffff
> [ 0.063749] ... fixed-purpose events: 3
> [ 0.063751] ... event mask: 000000070000000f
> [ 0.095931] x86: Booting SMP configuration:
> [ 0.095934] .... node #0, CPUs: #1
> [ 0.108335] CPU1 microcode updated early to revision 0x1c, date =
> 2014-07-03
> [ 0.111641] NMI watchdog: enabled on all CPUs, permanently consumes one
> hw-PMU counter.
> [ 0.115983] #2 #3
> [ 0.150319] x86: Booted up 1 node, 4 CPUs
> [ 0.150324] smpboot: Total of 4 processors activated (19953.99 BogoMIPS)
> [ 0.154029] devtmpfs: initialized
> [ 0.154592] regulator-dummy: no parameters
> [ 0.154745] NET: Registered protocol family 16
> [ 0.154992] ACPI FADT declares the system doesn't support PCIe ASPM, so
> disable it
> [ 0.154994] ACPI: bus type PCI registered
> [ 0.155066] PCI: Using configuration type 1 for base access
> [ 0.166253] ACPI: Added _OSI(Module Device)
> [ 0.166256] ACPI: Added _OSI(Processor Device)
> [ 0.166258] ACPI: Added _OSI(3.0 _SCP Extensions)
> [ 0.166260] ACPI: Added _OSI(Processor Aggregator Device)
> [ 0.174913] ACPI: Executed 2 blocks of module-level executable AML code
> [ 0.189977] [Firmware Bug]: ACPI: BIOS _OSI(Linux) query ignored
> [ 0.202123] ACPI: Dynamic OEM Table Load:
> [ 0.202132] ACPI: SSDT 0xFFFF88011AB81400 0003D3 (v01 PmRef Cpu0Cst
> 00003001 INTL 20120711)
> [ 0.214385] ACPI: Dynamic OEM Table Load:
> [ 0.214394] ACPI: SSDT 0xFFFF88011AABF800 0005AA (v01 PmRef ApIst
> 00003000 INTL 20120711)
> [ 0.226236] ACPI: Dynamic OEM Table Load:
> [ 0.226242] ACPI: SSDT 0xFFFF88011A4F5600 000119 (v01 PmRef ApCst
> 00003000 INTL 20120711)
> [ 0.239177] ACPI: Interpreter enabled
> [ 0.239187] ACPI: (supports S0 S5)
> [ 0.239189] ACPI: Using IOAPIC for interrupt routing
> [ 0.239224] PCI: Using host bridge windows from ACPI; if necessary, use
> "pci=nocrs" and report a bug
> [ 0.255001] ACPI: Power Resource [FN00] (off)
> [ 0.255112] ACPI: Power Resource [FN01] (off)
> [ 0.255222] ACPI: Power Resource [FN02] (off)
> [ 0.255330] ACPI: Power Resource [FN03] (off)
> [ 0.255436] ACPI: Power Resource [FN04] (off)
> [ 0.256774] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-3e])
> [ 0.256781] acpi PNP0A08:00: _OSC: OS supports [ASPM ClockPM Segments
> MSI]
> [ 0.256980] acpi PNP0A08:00: _OSC: not requesting OS control; OS
> requires [ExtendedConfig ASPM ClockPM MSI]
> [ 0.257534] PCI host bridge to bus 0000:00
> [ 0.257537] pci_bus 0000:00: root bus resource [bus 00-3e]
> [ 0.257540] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7]
> [ 0.257542] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff]
> [ 0.257545] pci_bus 0000:00: root bus resource [mem
> 0x000a0000-0x000bffff]
> [ 0.257547] pci_bus 0000:00: root bus resource [mem
> 0x000d0000-0x000d3fff]
> [ 0.257549] pci_bus 0000:00: root bus resource [mem
> 0x000d4000-0x000d7fff]
> [ 0.257551] pci_bus 0000:00: root bus resource [mem
> 0x000d8000-0x000dbfff]
> [ 0.257553] pci_bus 0000:00: root bus resource [mem
> 0x000dc000-0x000dffff]
> [ 0.257556] pci_bus 0000:00: root bus resource [mem
> 0x000e0000-0x000e3fff]
> [ 0.257558] pci_bus 0000:00: root bus resource [mem
> 0x000e4000-0x000e7fff]
> [ 0.257560] pci_bus 0000:00: root bus resource [mem
> 0xdf200000-0xfeafffff]
> [ 0.257570] pci 0000:00:00.0: [8086:0a04] type 00 class 0x060000
> [ 0.257711] pci 0000:00:02.0: [8086:0a16] type 00 class 0x030000
> [ 0.257727] pci 0000:00:02.0: reg 0x10: [mem 0xf7400000-0xf77fffff
> 64bit]
> [ 0.257736] pci 0000:00:02.0: reg 0x18: [mem 0xe0000000-0xefffffff
> 64bit pref]
> [ 0.257743] pci 0000:00:02.0: reg 0x20: [io 0xf000-0xf03f]
> [ 0.257873] pci 0000:00:03.0: [8086:0a0c] type 00 class 0x040300
> [ 0.257884] pci 0000:00:03.0: reg 0x10: [mem 0xf7e14000-0xf7e17fff
> 64bit]
> [ 0.258042] pci 0000:00:14.0: [8086:9c31] type 00 class 0x0c0330
> [ 0.258063] pci 0000:00:14.0: reg 0x10: [mem 0xf7e00000-0xf7e0ffff
> 64bit]
> [ 0.258133] pci 0000:00:14.0: PME# supported from D3hot D3cold
> [ 0.258253] pci 0000:00:1b.0: [8086:9c20] type 00 class 0x040300
> [ 0.258268] pci 0000:00:1b.0: reg 0x10: [mem 0xf7e10000-0xf7e13fff
> 64bit]
> [ 0.258343] pci 0000:00:1b.0: PME# supported from D0 D3hot D3cold
> [ 0.258455] pci 0000:00:1c.0: [8086:9c10] type 01 class 0x060400
> [ 0.258539] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold
> [ 0.258653] pci 0000:00:1c.1: [8086:9c12] type 01 class 0x060400
> [ 0.258741] pci 0000:00:1c.1: PME# supported from D0 D3hot D3cold
> [ 0.258862] pci 0000:00:1d.0: [8086:9c26] type 00 class 0x0c0320
> [ 0.258885] pci 0000:00:1d.0: reg 0x10: [mem 0xf7e1b000-0xf7e1b3ff]
> [ 0.258986] pci 0000:00:1d.0: PME# supported from D0 D3hot D3cold
> [ 0.259097] pci 0000:00:1f.0: [8086:9c43] type 00 class 0x060100
> [ 0.259321] pci 0000:00:1f.2: [8086:9c03] type 00 class 0x010601
> [ 0.259338] pci 0000:00:1f.2: reg 0x10: [io 0xf0b0-0xf0b7]
> [ 0.259347] pci 0000:00:1f.2: reg 0x14: [io 0xf0a0-0xf0a3]
> [ 0.259355] pci 0000:00:1f.2: reg 0x18: [io 0xf090-0xf097]
> [ 0.259363] pci 0000:00:1f.2: reg 0x1c: [io 0xf080-0xf083]
> [ 0.259372] pci 0000:00:1f.2: reg 0x20: [io 0xf060-0xf07f]
> [ 0.259380] pci 0000:00:1f.2: reg 0x24: [mem 0xf7e1a000-0xf7e1a7ff]
> [ 0.259423] pci 0000:00:1f.2: PME# supported from D3hot
> [ 0.259525] pci 0000:00:1f.3: [8086:9c22] type 00 class 0x0c0500
> [ 0.259541] pci 0000:00:1f.3: reg 0x10: [mem 0xf7e19000-0xf7e190ff
> 64bit]
> [ 0.259563] pci 0000:00:1f.3: reg 0x20: [io 0xf040-0xf05f]
> [ 0.259786] pci 0000:01:00.0: [8086:1533] type 00 class 0x020000
> [ 0.259806] pci 0000:01:00.0: reg 0x10: [mem 0xf7c00000-0xf7cfffff]
> [ 0.259836] pci 0000:01:00.0: reg 0x18: [io 0xe000-0xe01f]
> [ 0.259852] pci 0000:01:00.0: reg 0x1c: [mem 0xf7d00000-0xf7d03fff]
> [ 0.259897] pci 0000:01:00.0: reg 0x30: [mem 0xf7b00000-0xf7bfffff pref]
> [ 0.259993] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold
> [ 0.266308] pci 0000:00:1c.0: PCI bridge to [bus 01]
> [ 0.266313] pci 0000:00:1c.0: bridge window [io 0xe000-0xefff]
> [ 0.266317] pci 0000:00:1c.0: bridge window [mem
> 0xf7b00000-0xf7dfffff]
> [ 0.266430] pci 0000:02:00.0: [8086:1533] type 00 class 0x020000
> [ 0.266451] pci 0000:02:00.0: reg 0x10: [mem 0xf7900000-0xf79fffff]
> [ 0.266481] pci 0000:02:00.0: reg 0x18: [io 0xd000-0xd01f]
> [ 0.266497] pci 0000:02:00.0: reg 0x1c: [mem 0xf7a00000-0xf7a03fff]
> [ 0.266542] pci 0000:02:00.0: reg 0x30: [mem 0xf7800000-0xf78fffff pref]
> [ 0.266638] pci 0000:02:00.0: PME# supported from D0 D3hot D3cold
> [ 0.274348] pci 0000:00:1c.1: PCI bridge to [bus 02]
> [ 0.274353] pci 0000:00:1c.1: bridge window [io 0xd000-0xdfff]
> [ 0.274357] pci 0000:00:1c.1: bridge window [mem
> 0xf7800000-0xf7afffff]
> [ 0.276016] ACPI: PCI Interrupt Link [LNKA] (IRQs *5 6 12 14 15)
> [ 0.276083] ACPI: PCI Interrupt Link [LNKB] (IRQs *5 6 12 14 15)
> [ 0.276147] ACPI: PCI Interrupt Link [LNKC] (IRQs *5 6 12 14 15)
> [ 0.276211] ACPI: PCI Interrupt Link [LNKD] (IRQs *5 6 12 14 15)
> [ 0.276275] ACPI: PCI Interrupt Link [LNKE] (IRQs 5 6 12 14 15) *0,
> disabled.
> [ 0.276343] ACPI: PCI Interrupt Link [LNKF] (IRQs 5 6 12 14 15) *0,
> disabled.
> [ 0.276406] ACPI: PCI Interrupt Link [LNKG] (IRQs *5 6 12 14 15)
> [ 0.276469] ACPI: PCI Interrupt Link [LNKH] (IRQs *5 6 12 14 15)
> [ 0.276848] ACPI: Enabled 4 GPEs in block 00 to 7F
> [ 0.276955] vgaarb: setting as boot device: PCI:0000:00:02.0
> [ 0.276958] vgaarb: device added:
> PCI:0000:00:02.0,decodes=io+mem,owns=io+mem,locks=none
> [ 0.276962] vgaarb: loaded
> [ 0.276964] vgaarb: bridge control possible 0000:00:02.0
> [ 0.277050] SCSI subsystem initialized
> [ 0.277104] libata version 3.00 loaded.
> [ 0.277160] PCI: Using ACPI for IRQ routing
> [ 0.277163] PCI: pci_cache_line_size set to 64 bytes
> [ 0.277242] e820: reserve RAM buffer [mem 0x0009d800-0x0009ffff]
> [ 0.277245] e820: reserve RAM buffer [mem 0xcbd09000-0xcbffffff]
> [ 0.277247] e820: reserve RAM buffer [mem 0xcc3cf000-0xcfffffff]
> [ 0.277249] e820: reserve RAM buffer [mem 0xdb866000-0xdbffffff]
> [ 0.277252] e820: reserve RAM buffer [mem 0x11fe00000-0x11fffffff]
> [ 0.277462] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0, 0, 0, 0, 0, 0
> [ 0.277471] hpet0: 8 comparators, 64-bit 14.318180 MHz counter
> [ 0.279513] Switched to clocksource hpet
> [ 0.279625] pnp: PnP ACPI init
> [ 0.279708] system 00:00: [mem 0xfed40000-0xfed44fff] has been reserved
> [ 0.279712] system 00:00: Plug and Play ACPI device, IDs PNP0c01
> (active)
> [ 0.279919] system 00:01: [io 0x0680-0x069f] has been reserved
> [ 0.279922] system 00:01: [io 0xffff] has been reserved
> [ 0.279925] system 00:01: [io 0xffff] has been reserved
> [ 0.279927] system 00:01: [io 0xffff] has been reserved
> [ 0.279930] system 00:01: [io 0x1c00-0x1cfe] has been reserved
> [ 0.279932] system 00:01: [io 0x1d00-0x1dfe] has been reserved
> [ 0.279936] system 00:01: [io 0x1e00-0x1efe] has been reserved
> [ 0.279938] system 00:01: [io 0x1f00-0x1ffe] has been reserved
> [ 0.279941] system 00:01: [io 0x1800-0x18fe] could not be reserved
> [ 0.279944] system 00:01: [io 0x164e-0x164f] has been reserved
> [ 0.279947] system 00:01: Plug and Play ACPI device, IDs PNP0c02
> (active)
> [ 0.279985] pnp 00:02: Plug and Play ACPI device, IDs PNP0b00 (active)
> [ 0.280042] system 00:03: [io 0x1854-0x1857] has been reserved
> [ 0.280045] system 00:03: Plug and Play ACPI device, IDs INT3f0d
> PNP0c02 (active)
> [ 0.280174] system 00:04: [io 0x0a00-0x0a0f] has been reserved
> [ 0.280176] system 00:04: [io 0x0a10-0x0a1f] has been reserved
> [ 0.280179] system 00:04: Plug and Play ACPI device, IDs PNP0c02
> (active)
> [ 0.280465] pnp 00:05: [dma 0 disabled]
> [ 0.280506] pnp 00:05: Plug and Play ACPI device, IDs PNP0501 (active)
> [ 0.280754] pnp 00:06: [dma 0 disabled]
> [ 0.280789] pnp 00:06: Plug and Play ACPI device, IDs PNP0501 (active)
> [ 0.281028] pnp 00:07: [dma 0 disabled]
> [ 0.281061] pnp 00:07: Plug and Play ACPI device, IDs PNP0501 (active)
> [ 0.281293] pnp 00:08: [irq 0 disabled]
> [ 0.281296] pnp 00:08: [dma 0 disabled]
> [ 0.281329] pnp 00:08: Plug and Play ACPI device, IDs PNP0501 (active)
> [ 0.281609] system 00:09: [io 0x04d0-0x04d1] has been reserved
> [ 0.281612] system 00:09: Plug and Play ACPI device, IDs PNP0c02
> (active)
> [ 0.282140] system 00:0a: [mem 0xfe104000-0xfe104fff] has been reserved
> [ 0.282143] system 00:0a: [mem 0xfe106000-0xfe106fff] has been reserved
> [ 0.282146] system 00:0a: Plug and Play ACPI device, IDs PNP0c02
> (active)
> [ 0.282471] system 00:0b: [mem 0xfed1c000-0xfed1ffff] has been reserved
> [ 0.282474] system 00:0b: [mem 0xfed10000-0xfed17fff] has been reserved
> [ 0.282476] system 00:0b: [mem 0xfed18000-0xfed18fff] has been reserved
> [ 0.282479] system 00:0b: [mem 0xfed19000-0xfed19fff] has been reserved
> [ 0.282482] system 00:0b: [mem 0xf8000000-0xfbffffff] has been reserved
> [ 0.282484] system 00:0b: [mem 0xfed20000-0xfed3ffff] has been reserved
> [ 0.282500] system 00:0b: [mem 0xfed90000-0xfed93fff] has been reserved
> [ 0.282502] system 00:0b: [mem 0xfed45000-0xfed8ffff] has been reserved
> [ 0.282505] system 00:0b: [mem 0xff000000-0xffffffff] has been reserved
> [ 0.282508] system 00:0b: [mem 0xfee00000-0xfeefffff] could not be
> reserved
> [ 0.282510] system 00:0b: [mem 0xf7fdf000-0xf7fdffff] has been reserved
> [ 0.282513] system 00:0b: [mem 0xf7fe0000-0xf7feffff] has been reserved
> [ 0.282516] system 00:0b: Plug and Play ACPI device, IDs PNP0c02
> (active)
> [ 0.282836] pnp: PnP ACPI: found 12 devices
> [ 0.289666] pci 0000:00:1c.0: PCI bridge to [bus 01]
> [ 0.289671] pci 0000:00:1c.0: bridge window [io 0xe000-0xefff]
> [ 0.289678] pci 0000:00:1c.0: bridge window [mem
> 0xf7b00000-0xf7dfffff]
> [ 0.289687] pci 0000:00:1c.1: PCI bridge to [bus 02]
> [ 0.289690] pci 0000:00:1c.1: bridge window [io 0xd000-0xdfff]
> [ 0.289696] pci 0000:00:1c.1: bridge window [mem
> 0xf7800000-0xf7afffff]
> [ 0.289706] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7]
> [ 0.289708] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff]
> [ 0.289710] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff]
> [ 0.289713] pci_bus 0000:00: resource 7 [mem 0x000d0000-0x000d3fff]
> [ 0.289715] pci_bus 0000:00: resource 8 [mem 0x000d4000-0x000d7fff]
> [ 0.289717] pci_bus 0000:00: resource 9 [mem 0x000d8000-0x000dbfff]
> [ 0.289719] pci_bus 0000:00: resource 10 [mem 0x000dc000-0x000dffff]
> [ 0.289721] pci_bus 0000:00: resource 11 [mem 0x000e0000-0x000e3fff]
> [ 0.289723] pci_bus 0000:00: resource 12 [mem 0x000e4000-0x000e7fff]
> [ 0.289726] pci_bus 0000:00: resource 13 [mem 0xdf200000-0xfeafffff]
> [ 0.289728] pci_bus 0000:01: resource 0 [io 0xe000-0xefff]
> [ 0.289730] pci_bus 0000:01: resource 1 [mem 0xf7b00000-0xf7dfffff]
> [ 0.289732] pci_bus 0000:02: resource 0 [io 0xd000-0xdfff]
> [ 0.289735] pci_bus 0000:02: resource 1 [mem 0xf7800000-0xf7afffff]
> [ 0.289763] NET: Registered protocol family 2
> [ 0.289996] TCP established hash table entries: 32768 (order: 6, 262144
> bytes)
> [ 0.290141] TCP bind hash table entries: 32768 (order: 7, 524288 bytes)
> [ 0.290225] TCP: Hash tables configured (established 32768 bind 32768)
> [ 0.290245] TCP: reno registered
> [ 0.290261] UDP hash table entries: 2048 (order: 4, 65536 bytes)
> [ 0.290287] UDP-Lite hash table entries: 2048 (order: 4, 65536 bytes)
> [ 0.290341] NET: Registered protocol family 1
> [ 0.290438] RPC: Registered named UNIX socket transport module.
> [ 0.290441] RPC: Registered udp transport module.
> [ 0.290442] RPC: Registered tcp transport module.
> [ 0.290444] RPC: Registered tcp NFSv4.1 backchannel transport module.
> [ 0.290464] pci 0000:00:02.0: Video device with shadowed ROM
> [ 0.307730] PCI: CLS 64 bytes, default 64
> [ 0.307785] Unpacking initramfs...
> [ 1.033519] Freeing initrd memory: 5416K (ffff88003755c000 -
> ffff880037aa6000)
> [ 1.033532] PCI-DMA: Using software bounce buffering for IO (SWIOTLB)
> [ 1.033536] software IO TLB [mem 0xd7866000-0xdb866000] (64MB) mapped
> at [ffff8800d7866000-ffff8800db865fff]
> [ 1.033847] RAPL PMU detected, hw unit 2^-14 Joules, API unit is 2^-32
> Joules, 4 fixed counters 655360 ms ovfl timer
> [ 1.033907] microcode: CPU0 sig=0x40651, pf=0x40, revision=0x1c
> [ 1.033918] microcode: CPU1 sig=0x40651, pf=0x40, revision=0x1c
> [ 1.033928] microcode: CPU2 sig=0x40651, pf=0x40, revision=0x1c
> [ 1.033939] microcode: CPU3 sig=0x40651, pf=0x40, revision=0x1c
> [ 1.034007] microcode: Microcode Update Driver: v2.00
> <tigran at aivazian.fsnet.co.uk> <tigran at aivazian.fsnet.co.uk>, Peter Oruba
> [ 1.034292] futex hash table entries: 1024 (order: 4, 65536 bytes)
> [ 1.034329] audit: initializing netlink subsys (disabled)
> [ 1.034341] audit: type=2000 audit(1447318896.032:1): initialized
> [ 1.034516] [Xenomai] scheduling class idle registered.
> [ 1.034518] [Xenomai] scheduling class rt registered.
> [ 1.034539] [Xenomai] disabling automatic C1E state promotion on Intel
> processor
> [ 1.034553] [Xenomai] SMI-enabled chipset found
> [ 1.034562] [Xenomai] SMI workaround failed!
> [ 1.034601] I-pipe: head domain Xenomai registered.
> [ 1.035864] [Xenomai] allowing access to group 1000
> [ 1.035908] [Xenomai] Cobalt v3.0 (Exact Zero)
> [ 1.036011] HugeTLB registered 2 MB page size, pre-allocated 0 pages
> [ 1.038251] VFS: Disk quotas dquot_6.5.2
> [ 1.038297] Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
> [ 1.038982] NFS: Registering the id_resolver key type
> [ 1.038998] Key type id_resolver registered
> [ 1.039000] Key type id_legacy registered
> [ 1.039007] nfs4filelayout_init: NFSv4 File Layout Driver Registering...
> [ 1.039029] msgmni has been set to 7758
> [ 1.039655] alg: No test for stdrng (krng)
> [ 1.039715] bounce: pool size: 64 pages
> [ 1.039761] Block layer SCSI generic (bsg) driver version 0.4 loaded
> (major 251)
> [ 1.039766] io scheduler noop registered
> [ 1.039771] io scheduler deadline registered
> [ 1.039813] io scheduler cfq registered (default)
> [ 1.040428] input: Power Button as
> /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input0
> [ 1.040433] ACPI: Power Button [PWRB]
> [ 1.040491] input: Power Button as
> /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1
> [ 1.040494] ACPI: Power Button [PWRF]
> [ 1.040577] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
> [ 1.061184] 00:06: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is
> a 16550A
> [ 1.081729] 00:07: ttyS2 at I/O 0x3e8 (irq = 4, base_baud = 115200) is
> a 16550A
> [ 1.082209] Linux agpgart interface v0.103
> [ 1.082304] ahci 0000:00:1f.2: version 3.0
> [ 1.082447] ahci 0000:00:1f.2: irq 40 for MSI/MSI-X
> [ 1.096445] ahci 0000:00:1f.2: AHCI 0001.0300 32 slots 4 ports 6 Gbps
> 0xf impl SATA mode
> [ 1.096449] ahci 0000:00:1f.2: flags: 64bit ncq led clo only pio slum
> part deso sadm sds apst
> [ 1.097071] scsi host0: ahci
> [ 1.097231] scsi host1: ahci
> [ 1.097341] scsi host2: ahci
> [ 1.097453] scsi host3: ahci
> [ 1.097513] ata1: SATA max UDMA/133 abar m2048 at 0xf7e1a000 port
> 0xf7e1a100 irq 40
> [ 1.097516] ata2: SATA max UDMA/133 abar m2048 at 0xf7e1a000 port
> 0xf7e1a180 irq 40
> [ 1.097518] ata3: SATA max UDMA/133 abar m2048 at 0xf7e1a000 port
> 0xf7e1a200 irq 40
> [ 1.097521] ata4: SATA max UDMA/133 abar m2048 at 0xf7e1a000 port
> 0xf7e1a280 irq 40
> [ 1.097622] i8042: PNP: No PS/2 controller found. Probing ports
> directly.
> [ 1.098035] serio: i8042 KBD port at 0x60,0x64 irq 1
> [ 1.098053] serio: i8042 AUX port at 0x60,0x64 irq 12
> [ 1.098229] mousedev: PS/2 mouse device common for all mice
> [ 1.098298] I2O subsystem v1.325
> [ 1.098300] i2o: max drivers = 8
> [ 1.098390] rtc_cmos 00:02: RTC can wake from S4
> [ 1.098530] rtc_cmos 00:02: rtc core: registered rtc_cmos as rtc0
> [ 1.098561] rtc_cmos 00:02: alarms up to one month, y3k, 242 bytes
> nvram, hpet irqs
> [ 1.098578] Intel P-state driver initializing.
> [ 1.099244] TCP: cubic registered
> [ 1.099561] NET: Registered protocol family 10
> [ 1.100118] mip6: Mobile IPv6
> [ 1.100131] NET: Registered protocol family 17
> [ 1.100191] Key type dns_resolver registered
> [ 1.101189] registered taskstats version 1
> [ 1.102196] rtc_cmos 00:02: setting system clock to 2015-11-12 09:01:36
> UTC (1447318896)
> [ 1.416800] ata2: SATA link down (SStatus 0 SControl 300)
> [ 1.416821] ata3: SATA link down (SStatus 0 SControl 300)
> [ 1.416843] ata4: SATA link down (SStatus 0 SControl 300)
> [ 1.416863] ata1: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
> [ 1.418885] ata1.00: supports DRM functions and may not be fully
> accessible
> [ 1.418961] ata1.00: ATA-9: Samsung SSD 850 PRO 128GB, EXM02B6Q, max
> UDMA/133
> [ 1.418964] ata1.00: 250069680 sectors, multi 1: LBA48 NCQ (depth
> 31/32), AA
> [ 1.419254] ata1.00: supports DRM functions and may not be fully
> accessible
> [ 1.419381] ata1.00: configured for UDMA/133
> [ 1.419524] scsi 0:0:0:0: Direct-Access ATA Samsung SSD 850
> 2B6Q PQ: 0 ANSI: 5
> [ 1.419790] sd 0:0:0:0: [sda] 250069680 512-byte logical blocks: (128
> GB/119 GiB)
> [ 1.419858] sd 0:0:0:0: [sda] Write Protect is off
> [ 1.419862] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
> [ 1.419881] sd 0:0:0:0: [sda] Write cache: enabled, read cache:
> enabled, doesn't support DPO or FUA
> [ 1.420256] sda: sda1
> [ 1.420537] sd 0:0:0:0: [sda] Attached SCSI disk
> [ 1.421885] Freeing unused kernel memory: 880K (ffffffff81890000 -
> ffffffff8196c000)
> [ 1.421888] Write protecting the kernel read-only data: 8192k
> [ 1.428592] Freeing unused kernel memory: 1888K (ffff880001428000 -
> ffff880001600000)
> [ 1.429668] Freeing unused kernel memory: 312K (ffff8800017b2000 -
> ffff880001800000)
> [ 1.431758] random: systemd urandom read with 3 bits of entropy
> available
> [ 1.509859] systemd-journald[103]: Failed to set file attributes:
> Inappropriate ioctl for device
> [ 1.511271] sd 0:0:0:0: Attached scsi generic sg0 type 0
> [ 1.789539] ACPI: bus type USB registered
> [ 1.789590] usbcore: registered new interface driver usbfs
> [ 1.789611] usbcore: registered new interface driver hub
> [ 1.789657] usbcore: registered new device driver usb
> [ 1.790116] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
> [ 1.790352] ehci-pci: EHCI PCI platform driver
> [ 1.790613] ehci-pci 0000:00:1d.0: EHCI Host Controller
> [ 1.790628] ehci-pci 0000:00:1d.0: new USB bus registered, assigned bus
> number 1
> [ 1.790646] ehci-pci 0000:00:1d.0: debug port 2
> [ 1.794550] ehci-pci 0000:00:1d.0: cache line size of 64 is not
> supported
> [ 1.794580] ehci-pci 0000:00:1d.0: irq 23, io mem 0xf7e1b000
> [ 1.805303] ehci-pci 0000:00:1d.0: USB 2.0 started, EHCI 1.00
> [ 1.805371] usb usb1: New USB device found, idVendor=1d6b,
> idProduct=0002
> [ 1.805375] usb usb1: New USB device strings: Mfr=3, Product=2,
> SerialNumber=1
> [ 1.805379] usb usb1: Product: EHCI Host Controller
> [ 1.805382] usb usb1: Manufacturer: Linux 3.18.20cobalt ehci_hcd
> [ 1.805386] usb usb1: SerialNumber: 0000:00:1d.0
> [ 1.805618] hub 1-0:1.0: USB hub found
> [ 1.805635] hub 1-0:1.0: 2 ports detected
> [ 1.848519] EXT4-fs (sda1): mounted filesystem with ordered data mode.
> Opts: (null)
> [ 2.033470] tsc: Refined TSC clocksource calibration: 2494.230 MHz
> [ 2.117556] usb 1-1: new high-speed USB device number 2 using ehci-pci
> [ 2.249281] EXT4-fs (sda1): re-mounted. Opts: (null)
> [ 2.250022] usb 1-1: New USB device found, idVendor=8087, idProduct=8000
> [ 2.250029] usb 1-1: New USB device strings: Mfr=0, Product=0,
> SerialNumber=0
> [ 2.250308] hub 1-1:1.0: USB hub found
> [ 2.250383] hub 1-1:1.0: 8 ports detected
> [ 2.376032] dca service started, version 1.12.1
> [ 2.376759] pps_core: LinuxPPS API ver. 1 registered
> [ 2.376763] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo
> Giometti <giometti at linux.it> <giometti at linux.it>
> [ 2.377780] PTP clock support registered
> [ 2.378740] xhci_hcd 0000:00:14.0: xHCI Host Controller
> [ 2.378751] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus
> number 2
> [ 2.378878] xhci_hcd 0000:00:14.0: cache line size of 64 is not
> supported
> [ 2.378903] xhci_hcd 0000:00:14.0: irq 41 for MSI/MSI-X
> [ 2.380314] usb usb2: New USB device found, idVendor=1d6b,
> idProduct=0002
> [ 2.380321] usb usb2: New USB device strings: Mfr=3, Product=2,
> SerialNumber=1
> [ 2.380325] usb usb2: Product: xHCI Host Controller
> [ 2.380329] usb usb2: Manufacturer: Linux 3.18.20cobalt xhci-hcd
> [ 2.380332] usb usb2: SerialNumber: 0000:00:14.0
> [ 2.380852] hub 2-0:1.0: USB hub found
> [ 2.380877] hub 2-0:1.0: 9 ports detected
> [ 2.385864] igb: Intel(R) Gigabit Ethernet Network Driver - version
> 5.2.15-k
> [ 2.385869] igb: Copyright (c) 2007-2014 Intel Corporation.
> [ 2.386006] xhci_hcd 0000:00:14.0: xHCI Host Controller
> [ 2.386015] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus
> number 3
> [ 2.386090] usb usb3: New USB device found, idVendor=1d6b,
> idProduct=0003
> [ 2.386094] usb usb3: New USB device strings: Mfr=3, Product=2,
> SerialNumber=1
> [ 2.386098] usb usb3: Product: xHCI Host Controller
> [ 2.386102] usb usb3: Manufacturer: Linux 3.18.20cobalt xhci-hcd
> [ 2.386105] usb usb3: SerialNumber: 0000:00:14.0
> [ 2.386948] igb 0000:01:00.0: irq 42 for MSI/MSI-X
> [ 2.386955] igb 0000:01:00.0: irq 43 for MSI/MSI-X
> [ 2.386961] igb 0000:01:00.0: irq 44 for MSI/MSI-X
> [ 2.386966] igb 0000:01:00.0: irq 45 for MSI/MSI-X
> [ 2.386971] igb 0000:01:00.0: irq 46 for MSI/MSI-X
> [ 2.387397] hub 3-0:1.0: USB hub found
> [ 2.387414] hub 3-0:1.0: 4 ports detected
> [ 2.395593] [drm] Initialized drm 1.1.0 20060810
> [ 2.417971] igb 0000:01:00.0: added PHC on eth0
> [ 2.417976] igb 0000:01:00.0: Intel(R) Gigabit Ethernet Network
> Connection
> [ 2.417979] igb 0000:01:00.0: eth0: (PCIe:2.5Gb/s:Width x1)
> d0:4c:c1:00:cb:b6
> [ 2.418038] igb 0000:01:00.0: eth0: PBA No: 000200-000
> [ 2.418040] igb 0000:01:00.0: Using MSI-X interrupts. 4 rx queue(s), 4
> tx queue(s)
> [ 2.418603] igb 0000:02:00.0: irq 47 for MSI/MSI-X
> [ 2.418608] igb 0000:02:00.0: irq 48 for MSI/MSI-X
> [ 2.418612] igb 0000:02:00.0: irq 49 for MSI/MSI-X
> [ 2.418616] igb 0000:02:00.0: irq 50 for MSI/MSI-X
> [ 2.418620] igb 0000:02:00.0: irq 51 for MSI/MSI-X
> [ 2.456571] [drm:i915_dump_device_info] i915 device info: gen=7,
> pciid=0x0a16 rev=0x0b
> flags=is_mobile,need_gfx_hws,is_haswell,has_fbc,has_hotplug,has_llc,has_ddi,has_fpga_dbg,
> [ 2.456608] [drm:intel_detect_pch] Found LynxPoint LP PCH
> [ 2.456658] [drm] Memory usable by graphics device = 2048M
> [ 2.456662] [drm:i915_gem_gtt_init] GMADR size = 256M
> [ 2.456665] [drm:i915_gem_gtt_init] GTT stolen size = 32M
> [ 2.456668] [drm:i915_gem_gtt_init] ppgtt mode: 1
> [ 2.456672] [drm] Replacing VGA console driver
> [ 2.459769] Console: switching to colour dummy device 80x25
> [ 2.465571] igb 0000:02:00.0: added PHC on eth1
> [ 2.465577] igb 0000:02:00.0: Intel(R) Gigabit Ethernet Network
> Connection
> [ 2.465582] igb 0000:02:00.0: eth1: (PCIe:2.5Gb/s:Width x1)
> d0:4c:c1:00:cb:b7
> [ 2.465641] igb 0000:02:00.0: eth1: PBA No: 000200-000
> [ 2.465645] igb 0000:02:00.0: Using MSI-X interrupts. 4 rx queue(s), 4
> tx queue(s)
> [ 2.468825] [drm:intel_opregion_setup] graphic opregion physical addr:
> 0xdba68018
> [ 2.468874] [drm:intel_opregion_setup] Public ACPI methods supported
> [ 2.468877] [drm:intel_opregion_setup] SWSCI supported
> [ 2.470615]
> *** RTnet for Xenomai v3.0 ***
>
> [ 2.470621] RTnet: initialising real-time networking
> [ 2.474991] rt_igb: Intel(R) Gigabit Ethernet Network Driver - version
> 5.2.18-k
> [ 2.474995] rt_igb: Copyright (c) 2007-2014 Intel Corporation.
> [ 2.489992] [drm:swsci_setup] SWSCI GBDA callbacks 00000cb3, SBCB
> callbacks 00300483
> [ 2.489996] [drm:intel_opregion_setup] ASLE supported
> [ 2.490111] i915 0000:00:02.0: irq 52 for MSI/MSI-X
> [ 2.490121] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
> [ 2.490123] [drm] Driver supports precise vblank timestamp query.
> [ 2.490126] [drm:init_vbt_defaults] Set default to SSC at 120000 kHz
> [ 2.490129] [drm:validate_vbt] Using VBT from OpRegion: $VBT
> HASWELL d
> [ 2.490132] [drm:parse_general_features] BDB_GENERAL_FEATURES
> int_tv_support 0 int_crt_support 0 lvds_use_ssc 0 lvds_ssc_freq 120000
> display_clock_mode 0 fdi_rx_polarity_inverted 0
> [ 2.490134] [drm:parse_general_definitions] crt_ddc_bus_pin: 2
> [ 2.490137] [drm:parse_lfp_panel_data] DRRS supported mode is static
> [ 2.490140] [drm:parse_lfp_panel_data] Found panel mode in BIOS VBT
> tables:
> [ 2.490144] [drm:drm_mode_debug_printmodeline] Modeline 0:"1024x768" 0
> 65000 1024 1048 1184 1344 768 771 777 806 0x8 0xa
> [ 2.490146] [drm:parse_lfp_panel_data] VBT initial LVDS value 300300
> [ 2.490149] [drm:parse_lfp_backlight] VBT backlight PWM modulation
> frequency 200 Hz, active high, min brightness 0, level 255
> [ 2.490151] [drm:parse_sdvo_panel_data] Found SDVO panel mode in BIOS
> VBT tables:
> [ 2.490155] [drm:drm_mode_debug_printmodeline] Modeline 0:"1600x1200" 0
> 162000 1600 1664 1856 2160 1200 1201 1204 1250 0x8 0xa
> [ 2.490157] [drm:parse_sdvo_device_mapping] No SDVO device info is
> found in VBT
> [ 2.490159] [drm:parse_driver_features] DRRS State Enabled:1
> [ 2.490162] [drm:parse_ddi_port] Port A VBT info: DP:1 HDMI:0 DVI:0
> EDP:1 CRT:0
> [ 2.490164] [drm:parse_ddi_port] VBT HDMI level shift for port A: 0
> [ 2.490167] [drm:parse_ddi_port] Port B VBT info: DP:0 HDMI:1 DVI:1
> EDP:0 CRT:0
> [ 2.490169] [drm:parse_ddi_port] VBT HDMI level shift for port B: 6
> [ 2.490171] [drm:parse_ddi_port] Port C VBT info: DP:0 HDMI:1 DVI:1
> EDP:0 CRT:0
> [ 2.490173] [drm:parse_ddi_port] VBT HDMI level shift for port C: 6
> [ 2.490183] [drm:intel_dsm_pci_probe] no _DSM method for intel device
> [ 2.490190] [drm:i915_gem_init_stolen] found 33554432 bytes of stolen
> memory at dd200000
> [ 2.490194] [drm:intel_display_power_get] enabling always-on
> [ 2.490196] [drm:intel_display_power_get] enabling display
> [ 2.490201] vgaarb: device changed decodes:
> PCI:0000:00:02.0,olddecodes=io+mem,decodes=io+mem:owns=io+mem
> [ 2.490283] [drm:intel_print_wm_latency] Primary WM0 latency 20 (2.0
> usec)
> [ 2.490286] [drm:intel_print_wm_latency] Primary WM1 latency 4 (2.0
> usec)
> [ 2.490288] [drm:intel_print_wm_latency] Primary WM2 latency 36 (18.0
> usec)
> [ 2.490290] [drm:intel_print_wm_latency] Primary WM3 latency 90 (45.0
> usec)
> [ 2.490292] [drm:intel_print_wm_latency] Primary WM4 latency 160 (80.0
> usec)
> [ 2.490294] [drm:intel_print_wm_latency] Sprite WM0 latency 20 (2.0
> usec)
> [ 2.490296] [drm:intel_print_wm_latency] Sprite WM1 latency 4 (2.0 usec)
> [ 2.490298] [drm:intel_print_wm_latency] Sprite WM2 latency 36 (18.0
> usec)
> [ 2.490300] [drm:intel_print_wm_latency] Sprite WM3 latency 90 (45.0
> usec)
> [ 2.490302] [drm:intel_print_wm_latency] Sprite WM4 latency 160 (80.0
> usec)
> [ 2.490304] [drm:intel_print_wm_latency] Cursor WM0 latency 20 (2.0
> usec)
> [ 2.490306] [drm:intel_print_wm_latency] Cursor WM1 latency 4 (2.0 usec)
> [ 2.490308] [drm:intel_print_wm_latency] Cursor WM2 latency 36 (18.0
> usec)
> [ 2.490310] [drm:intel_print_wm_latency] Cursor WM3 latency 90 (45.0
> usec)
> [ 2.490312] [drm:intel_print_wm_latency] Cursor WM4 latency 160 (80.0
> usec)
> [ 2.490315] [drm:intel_modeset_init] 3 display pipes available.
> [ 2.490330] [drm:intel_ddi_pll_init] CDCLK running at 450000KHz
> [ 2.490642] [drm:intel_dp_init_connector] Adding eDP connector on port A
> [ 2.490705] [drm:intel_dp_init_panel_power_sequencer] cur t1_t3 2000 t8
> 10 t9 2000 t10 500 t11_t12 6000
> [ 2.490708] [drm:intel_dp_init_panel_power_sequencer] vbt t1_t3 2000 t8
> 10 t9 2000 t10 500 t11_t12 5000
> [ 2.490710] [drm:intel_dp_init_panel_power_sequencer] panel power up
> delay 200, power down delay 50, power cycle delay 600
> [ 2.490712] [drm:intel_dp_init_panel_power_sequencer] backlight on
> delay 1, off delay 200
> [ 2.490715] [drm:intel_dp_aux_init] registering DPDDC-A bus for
> card0-eDP-1
> [ 2.490781] [drm:edp_panel_vdd_on] Turning eDP VDD on
> [ 2.490791] [drm:edp_panel_vdd_on] PP_STATUS: 0x80000008 PP_CONTROL:
> 0xabcd000f
> [ 2.491407] [drm:intel_dp_get_dpcd] DPCD: 11 0a 82 01 00 03 01 01 02 00
> 00 00 00 00 00
> [ 2.492473] [drm:intel_dp_init_panel_power_sequencer_registers] panel
> power sequencer register settings: PP_ON 0x7d00001, PP_OFF 0x1f40001,
> PP_DIV 0x4af06
> [ 2.544804] [drm:drm_edid_to_eld] ELD: no CEA Extension found
> [ 2.544809] [drm:intel_dp_drrs_init] VBT doesn't support DRRS
> [ 2.544858] [drm:intel_panel_setup_backlight] backlight initialized,
> enabled, brightness 937/937, sysfs interface registered
> [ 2.545065] [drm:intel_modeset_readout_hw_state] [CRTC:8] hw state
> readout: enabled
> [ 2.545071] [drm:intel_modeset_readout_hw_state] [CRTC:12] hw state
> readout: disabled
> [ 2.545075] [drm:intel_modeset_readout_hw_state] [CRTC:16] hw state
> readout: disabled
> [ 2.545080] [drm:intel_modeset_readout_hw_state] WRPLL 1 hw state
> readout: refcount 0, on 0
> [ 2.545084] [drm:intel_modeset_readout_hw_state] WRPLL 2 hw state
> readout: refcount 0, on 0
> [ 2.545095] [drm:intel_modeset_readout_hw_state] [ENCODER:18:TMDS-18]
> hw state readout: enabled, pipe A
> [ 2.545098] [drm:intel_modeset_readout_hw_state] [ENCODER:47:TMDS-47]
> hw state readout: disabled, pipe A
> [ 2.545102] [drm:intel_modeset_readout_hw_state] [ENCODER:50:TMDS-50]
> hw state readout: disabled, pipe A
> [ 2.545108] [drm:intel_modeset_readout_hw_state] [CONNECTOR:19:eDP-1]
> hw state readout: enabled
> [ 2.545112] [drm:intel_modeset_readout_hw_state]
> [CONNECTOR:48:HDMI-A-1] hw state readout: disabled
> [ 2.545116] [drm:intel_modeset_readout_hw_state]
> [CONNECTOR:51:HDMI-A-2] hw state readout: disabled
> [ 2.545124] [drm:intel_dump_pipe_config] [CRTC:8][setup_hw_state]
> config for pipe A
> [ 2.545127] [drm:intel_dump_pipe_config] cpu_transcoder: D
> [ 2.545130] [drm:intel_dump_pipe_config] pipe bpp: 18, dithering: 0
> [ 2.545134] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m:
> 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
> [ 2.545138] [drm:intel_dump_pipe_config] dp: 1, gmch_m: 2271914,
> gmch_n: 8388608, link_m: 126217, link_n: 524288, tu: 64
> [ 2.545142] [drm:intel_dump_pipe_config] dp: 1, gmch_m2: 0, gmch_n2: 0,
> link_m2: 0, link_n2: 0, tu2: 0
> [ 2.545144] [drm:intel_dump_pipe_config] requested mode:
> [ 2.545149] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 0 720 0
> 0 0 400 0 0 0 0x0 0x0
> [ 2.545152] [drm:intel_dump_pipe_config] adjusted mode:
> [ 2.545156] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 0 0 0 0
> 0 0 0 0 0 0x0 0x5
> [ 2.545161] [drm:intel_dump_crtc_timings] crtc timings: 64999 1024 1048
> 1184 1344 768 771 777 806, type: 0x0 flags: 0x5
> [ 2.545164] [drm:intel_dump_pipe_config] port clock: 270000
> [ 2.545167] [drm:intel_dump_pipe_config] pipe src size: 720x400
> [ 2.545171] [drm:intel_dump_pipe_config] gmch pfit: control:
> 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
> [ 2.545175] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000,
> size: 0x04000300, enabled
> [ 2.545177] [drm:intel_dump_pipe_config] ips: 0
> [ 2.545180] [drm:intel_dump_pipe_config] double wide: 0
> [ 2.545186] [drm:i915_get_vblank_timestamp] crtc 1 is disabled
> [ 2.545190] [drm:gm45_get_vblank_counter] trying to get vblank count
> for disabled pipe B
> [ 2.545193] [drm:i915_get_vblank_timestamp] crtc 1 is disabled
> [ 2.545196] [drm:gm45_get_vblank_counter] trying to get vblank count
> for disabled pipe B
> [ 2.545200] [drm:intel_dump_pipe_config] [CRTC:12][setup_hw_state]
> config for pipe B
> [ 2.545202] [drm:intel_dump_pipe_config] cpu_transcoder: B
> [ 2.545205] [drm:intel_dump_pipe_config] pipe bpp: 0, dithering: 0
> [ 2.545209] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m:
> 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
> [ 2.545212] [drm:intel_dump_pipe_config] dp: 0, gmch_m: 0, gmch_n: 0,
> link_m: 0, link_n: 0, tu: 0
> [ 2.545216] [drm:intel_dump_pipe_config] dp: 0, gmch_m2: 0, gmch_n2: 0,
> link_m2: 0, link_n2: 0, tu2: 0
> [ 2.545218] [drm:intel_dump_pipe_config] requested mode:
> [ 2.545222] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 0 0 0 0
> 0 0 0 0 0 0x0 0x0
> [ 2.545225] [drm:intel_dump_pipe_config] adjusted mode:
> [ 2.545229] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 0 0 0 0
> 0 0 0 0 0 0x0 0x0
> [ 2.545233] [drm:intel_dump_crtc_timings] crtc timings: 0 0 0 0 0 0 0 0
> 0, type: 0x0 flags: 0x0
> [ 2.545236] [drm:intel_dump_pipe_config] port clock: 0
> [ 2.545239] [drm:intel_dump_pipe_config] pipe src size: 0x0
> [ 2.545242] [drm:intel_dump_pipe_config] gmch pfit: control:
> 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
> [ 2.545245] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000,
> size: 0x00000000, disabled
> [ 2.545248] [drm:intel_dump_pipe_config] ips: 0
> [ 2.545251] [drm:intel_dump_pipe_config] double wide: 0
> [ 2.545256] [drm:i915_get_vblank_timestamp] crtc 2 is disabled
> [ 2.545259] [drm:gm45_get_vblank_counter] trying to get vblank count
> for disabled pipe C
> [ 2.545262] [drm:i915_get_vblank_timestamp] crtc 2 is disabled
> [ 2.545266] [drm:gm45_get_vblank_counter] trying to get vblank count
> for disabled pipe C
> [ 2.545270] [drm:intel_dump_pipe_config] [CRTC:16][setup_hw_state]
> config for pipe C
> [ 2.545273] [drm:intel_dump_pipe_config] cpu_transcoder: C
> [ 2.545276] [drm:intel_dump_pipe_config] pipe bpp: 0, dithering: 0
> [ 2.545280] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m:
> 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
> [ 2.545283] [drm:intel_dump_pipe_config] dp: 0, gmch_m: 0, gmch_n: 0,
> link_m: 0, link_n: 0, tu: 0
> [ 2.545287] [drm:intel_dump_pipe_config] dp: 0, gmch_m2: 0, gmch_n2: 0,
> link_m2: 0, link_n2: 0, tu2: 0
> [ 2.545289] [drm:intel_dump_pipe_config] requested mode:
> [ 2.545294] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 0 0 0 0
> 0 0 0 0 0 0x0 0x0
> [ 2.545296] [drm:intel_dump_pipe_config] adjusted mode:
> [ 2.545301] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 0 0 0 0
> 0 0 0 0 0 0x0 0x0
> [ 2.545305] [drm:intel_dump_crtc_timings] crtc timings: 0 0 0 0 0 0 0 0
> 0, type: 0x0 flags: 0x0
> [ 2.545308] [drm:intel_dump_pipe_config] port clock: 0
> [ 2.545311] [drm:intel_dump_pipe_config] pipe src size: 0x0
> [ 2.545314] [drm:intel_dump_pipe_config] gmch pfit: control:
> 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
> [ 2.545318] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000,
> size: 0x00000000, disabled
> [ 2.545321] [drm:intel_dump_pipe_config] ips: 0
> [ 2.545323] [drm:intel_dump_pipe_config] double wide: 0
> [ 2.545338] [drm:intel_connector_check_state] [CONNECTOR:19:eDP-1]
> [ 2.545344] [drm:check_encoder_state] [ENCODER:18:TMDS-18]
> [ 2.545348] [drm:check_encoder_state] [ENCODER:47:TMDS-47]
> [ 2.545352] [drm:check_encoder_state] [ENCODER:50:TMDS-50]
> [ 2.545356] [drm:check_crtc_state] [CRTC:8]
> [ 2.545375] [drm:check_crtc_state] [CRTC:12]
> [ 2.545379] [drm:check_crtc_state] [CRTC:16]
> [ 2.545383] [drm:check_shared_dpll_state] WRPLL 1
> [ 2.545387] [drm:check_shared_dpll_state] WRPLL 2
> [ 2.545397] [drm:ironlake_get_plane_config] pipe/plane 0/0 with fb:
> size=720x400 at 32, offset=0, pitch 4096, size 0x190000
> [ 2.545402] [drm:i915_gem_object_create_stolen_for_preallocated]
> creating preallocated stolen object: stolen_offset=0, gtt_offset=0,
> size=190000
> [ 2.545410] [drm:i915_pages_create_for_stolen] offset=0x0, size=1638400
> [ 2.545416] [drm:intel_alloc_plane_obj] plane fb obj ffff8800d289e000
> [ 2.545421] [drm:i915_gem_setup_global_gtt] reserving preallocated
> space: 0 + 190000
> [ 2.545424] [drm:i915_gem_setup_global_gtt] clearing unused GTT space:
> [190000, 7ffff000]
> [ 2.549552] [drm:gen6_ppgtt_init] Allocated pde space (2M) at GTT
> entry: 7fdf0
> [ 2.549685] [drm:i915_gem_context_init] HW context support initialized
> [ 2.549701] [drm:init_status_page] render ring hws offset: 0x001a1000
> [ 2.551352] AVX2 version of gcm_enc/dec engaged.
> [ 2.551356] AES CTR mode by8 optimization enabled
> [ 2.554100] [drm:intel_init_pipe_control] render ring pipe control
> offset: 0x001c2000
> [ 2.554118] [drm:init_status_page] bsd ring hws offset: 0x001c3000
> [ 2.554276] [drm:init_status_page] blitter ring hws offset: 0x001e4000
> [ 2.555817] [drm:init_status_page] video enhancement ring hws offset:
> 0x00205000
> [ 2.556182] [drm:drm_helper_probe_single_connector_modes_merge_bits]
> [CONNECTOR:19:eDP-1]
> [ 2.556187] [drm:intel_dp_detect] [CONNECTOR:19:eDP-1]
> [ 2.556207] [drm:drm_edid_to_eld] ELD: no CEA Extension found
> [ 2.556236] [drm:drm_mode_debug_printmodeline] Modeline 21:"1152x864" 0
> 108000 1152 1216 1344 1600 864 865 868 900 0x40 0x5
> [ 2.556239] [drm:drm_mode_prune_invalid] Not using 1152x864 mode 29
> [ 2.556243] [drm:drm_mode_debug_printmodeline] Modeline 22:"1280x1024"
> 0 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
> [ 2.556246] [drm:drm_mode_prune_invalid] Not using 1280x1024 mode 29
> [ 2.556251] [drm:drm_mode_debug_printmodeline] Modeline 23:"1280x960" 0
> 108000 1280 1376 1488 1800 960 961 964 1000 0x40 0x5
> [ 2.556253] [drm:drm_mode_prune_invalid] Not using 1280x960 mode 29
> [ 2.556257] [drm:drm_mode_debug_printmodeline] Modeline 24:"1440x900" 0
> 106500 1440 1520 1672 1904 900 903 909 934 0x40 0x6
> [ 2.556259] [drm:drm_mode_prune_invalid] Not using 1440x900 mode 29
> [ 2.556263] [drm:drm_mode_debug_printmodeline] Modeline 25:"1600x1200"
> 0 162000 1600 1664 1856 2160 1200 1201 1204 1250 0x40 0x5
> [ 2.556266] [drm:drm_mode_prune_invalid] Not using 1600x1200 mode 29
> [ 2.556270] [drm:drm_mode_debug_printmodeline] Modeline 26:"1680x1050"
> 0 146250 1680 1784 1960 2240 1050 1053 1059 1089 0x40 0x6
> [ 2.556273] [drm:drm_mode_prune_invalid] Not using 1680x1050 mode 29
> [ 2.556277] [drm:drm_mode_debug_printmodeline] Modeline 27:"1920x1080"
> 0 172780 1920 2040 2248 2576 1080 1081 1084 1118 0x0 0x6
> [ 2.556280] [drm:drm_mode_prune_invalid] Not using 1920x1080 mode 29
> [ 2.556285] [drm:drm_mode_debug_printmodeline] Modeline 35:"1280x1024"
> 0 135000 1280 1296 1440 1688 1024 1025 1028 1066 0x40 0x5
> [ 2.556288] [drm:drm_mode_prune_invalid] Not using 1280x1024 mode 29
> [ 2.556293] [drm:drm_helper_probe_single_connector_modes_merge_bits]
> [CONNECTOR:19:eDP-1] probed modes :
> [ 2.556298] [drm:drm_mode_debug_printmodeline] Modeline 20:"1024x768"
> 60 65000 1024 1048 1184 1344 768 771 777 806 0x48 0xa
> [ 2.556303] [drm:drm_mode_debug_printmodeline] Modeline 36:"1024x768"
> 75 78800 1024 1040 1136 1312 768 769 772 800 0x40 0x5
> [ 2.556308] [drm:drm_mode_debug_printmodeline] Modeline 37:"1024x768"
> 70 75000 1024 1048 1184 1328 768 771 777 806 0x40 0xa
> [ 2.556312] [drm:drm_mode_debug_printmodeline] Modeline 39:"832x624" 75
> 57284 832 864 928 1152 624 625 628 667 0x40 0xa
> [ 2.556316] [drm:drm_mode_debug_printmodeline] Modeline 40:"800x600" 75
> 49500 800 816 896 1056 600 601 604 625 0x40 0x5
> [ 2.556321] [drm:drm_mode_debug_printmodeline] Modeline 41:"800x600" 72
> 50000 800 856 976 1040 600 637 643 666 0x40 0x5
> [ 2.556326] [drm:drm_mode_debug_printmodeline] Modeline 28:"800x600" 60
> 40000 800 840 968 1056 600 601 605 628 0x40 0x5
> [ 2.556330] [drm:drm_mode_debug_printmodeline] Modeline 29:"800x600" 56
> 36000 800 824 896 1024 600 601 603 625 0x40 0x5
> [ 2.556335] [drm:drm_mode_debug_printmodeline] Modeline 30:"640x480" 75
> 31500 640 656 720 840 480 481 484 500 0x40 0xa
> [ 2.556340] [drm:drm_mode_debug_printmodeline] Modeline 31:"640x480" 73
> 31500 640 664 704 832 480 489 491 520 0x40 0xa
> [ 2.556344] [drm:drm_mode_debug_printmodeline] Modeline 32:"640x480" 67
> 30240 640 704 768 864 480 483 486 525 0x40 0xa
> [ 2.556348] [drm:drm_mode_debug_printmodeline] Modeline 33:"640x480" 60
> 25200 640 656 752 800 480 490 492 525 0x40 0xa
> [ 2.556353] [drm:drm_mode_debug_printmodeline] Modeline 34:"720x400" 70
> 28320 720 738 846 900 400 412 414 449 0x40 0x6
> [ 2.556356] [drm:drm_helper_probe_single_connector_modes_merge_bits]
> [CONNECTOR:48:HDMI-A-1]
> [ 2.556360] [drm:intel_hdmi_detect] [CONNECTOR:48:HDMI-A-1]
> [ 2.559529] alg: No test for __gcm-aes-aesni (__driver-gcm-aes-aesni)
> [ 2.571607] [drm:drm_edid_to_eld] ELD: no CEA Extension found
> [ 2.571621] [drm:drm_helper_probe_single_connector_modes_merge_bits]
> [CONNECTOR:48:HDMI-A-1] probed modes :
> [ 2.571628] [drm:drm_mode_debug_printmodeline] Modeline 22:"1280x1024"
> 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x48 0x5
> [ 2.571633] [drm:drm_mode_debug_printmodeline] Modeline 54:"1280x1024"
> 75 135000 1280 1296 1440 1688 1024 1025 1028 1066 0x40 0x5
> [ 2.571638] [drm:drm_mode_debug_printmodeline] Modeline 23:"1280x960"
> 60 108000 1280 1376 1488 1800 960 961 964 1000 0x40 0x5
> [ 2.571643] [drm:drm_mode_debug_printmodeline] Modeline 55:"1024x768"
> 75 78800 1024 1040 1136 1312 768 769 772 800 0x40 0x5
> [ 2.571648] [drm:drm_mode_debug_printmodeline] Modeline 56:"1024x768"
> 70 75000 1024 1048 1184 1328 768 771 777 806 0x40 0xa
> [ 2.571653] [drm:drm_mode_debug_printmodeline] Modeline 57:"1024x768"
> 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
> [ 2.571658] [drm:drm_mode_debug_printmodeline] Modeline 58:"800x600" 75
> 49500 800 816 896 1056 600 601 604 625 0x40 0x5
> [ 2.571662] [drm:drm_mode_debug_printmodeline] Modeline 59:"800x600" 72
> 50000 800 856 976 1040 600 637 643 666 0x40 0x5
> [ 2.571667] [drm:drm_mode_debug_printmodeline] Modeline 24:"800x600" 60
> 40000 800 840 968 1056 600 601 605 628 0x40 0x5
> [ 2.571671] [drm:drm_mode_debug_printmodeline] Modeline 25:"800x600" 56
> 36000 800 824 896 1024 600 601 603 625 0x40 0x5
> [ 2.571676] [drm:drm_mode_debug_printmodeline] Modeline 26:"640x480" 75
> 31500 640 656 720 840 480 481 484 500 0x40 0xa
> [ 2.571681] [drm:drm_mode_debug_printmodeline] Modeline 27:"640x480" 73
> 31500 640 664 704 832 480 489 491 520 0x40 0xa
> [ 2.571685] [drm:drm_mode_debug_printmodeline] Modeline 35:"640x480" 67
> 30240 640 704 768 864 480 483 486 525 0x40 0xa
> [ 2.571690] [drm:drm_mode_debug_printmodeline] Modeline 38:"640x480" 60
> 25200 640 656 752 800 480 490 492 525 0x40 0xa
> [ 2.571695] [drm:drm_mode_debug_printmodeline] Modeline 53:"720x400" 70
> 28320 720 738 846 900 400 412 414 449 0x40 0x6
> [ 2.571699] [drm:drm_helper_probe_single_connector_modes_merge_bits]
> [CONNECTOR:51:HDMI-A-2]
> [ 2.571702] [drm:intel_hdmi_detect] [CONNECTOR:51:HDMI-A-2]
> [ 2.571885] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050
> w(1)
> [ 2.571888] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] NAK on first
> message, retry
> [ 2.572062] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050
> w(1)
> [ 2.572066] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent
> adapter i915 gmbus dpc
> [ 2.572070] [drm:drm_helper_probe_single_connector_modes_merge_bits]
> [CONNECTOR:51:HDMI-A-2] disconnected
> [ 2.572073] [drm:drm_setup_crtcs]
> [ 2.572077] [drm:drm_enable_connectors] connector 19 enabled? yes
> [ 2.572079] [drm:drm_enable_connectors] connector 48 enabled? yes
> [ 2.572082] [drm:drm_enable_connectors] connector 51 enabled? no
> [ 2.572087] [drm:intel_fb_initial_config] looking for cmdline mode on
> connector eDP-1
> [ 2.572090] [drm:intel_fb_initial_config] looking for preferred mode on
> connector eDP-1
> [ 2.572094] [drm:intel_fb_initial_config] connector eDP-1 on pipe A
> [CRTC:8]: 1024x768
> [ 2.572097] [drm:intel_fb_initial_config] connector HDMI-A-1 has no
> encoder or crtc, skipping
> [ 2.572100] [drm:intel_fb_initial_config] connector HDMI-A-2 not
> enabled, skipping
> [ 2.572103] [drm:intel_fb_initial_config] fallback: Not all outputs
> enabled
> [ 2.572106] [drm:intel_fb_initial_config] Enabled: 1, detected: 2
> [ 2.572108] [drm:intel_fb_initial_config] Not using firmware
> configuration
> [ 2.572112] [drm:drm_target_preferred] looking for cmdline mode on
> connector 19
> [ 2.572115] [drm:drm_target_preferred] looking for preferred mode on
> connector 19
> [ 2.572118] [drm:drm_target_preferred] found mode 1024x768
> [ 2.572120] [drm:drm_target_preferred] looking for cmdline mode on
> connector 48
> [ 2.572123] [drm:drm_target_preferred] looking for preferred mode on
> connector 48
> [ 2.572126] [drm:drm_target_preferred] found mode 1280x1024
> [ 2.572129] [drm:drm_setup_crtcs] picking CRTCs for 8192x8192 config
> [ 2.572135] [drm:drm_setup_crtcs] desired mode 1024x768 set on crtc 8
> [ 2.572139] [drm:drm_setup_crtcs] desired mode 1280x1024 set on crtc 12
> [ 2.572143] [drm:intelfb_create] no BIOS fb, allocating a new one
> [ 2.572147] [drm:i915_gem_object_create_stolen] creating stolen object:
> size=500000
> [ 2.572155] [drm:i915_pages_create_for_stolen] offset=0x190000,
> size=5242880
> [ 2.572844] [drm:intelfb_create] allocated 1280x1024 fb: 0x00227000, bo
> ffff8800d3338000
> [ 2.572945] fbcon: inteldrmfb (fb0) is primary device
> [ 2.573009] [drm:intel_crtc_set_config] [CRTC:8] [FB:62] #connectors=1
> (x y) (0 0)
> [ 2.573012] [drm:intel_set_config_compute_mode_changes] modes are
> different, full mode set
> [ 2.573015] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 0 0 0 0
> 0 0 0 0 0 0x0 0x0
> [ 2.573019] [drm:drm_mode_debug_printmodeline] Modeline 60:"1024x768"
> 60 65000 1024 1048 1184 1344 768 771 777 806 0x48 0xa
> [ 2.573021] [drm:intel_set_config_compute_mode_changes] computed
> changes for [CRTC:8], mode_changed=1, fb_changed=1
> [ 2.573023] [drm:intel_modeset_stage_output_state] [CONNECTOR:19:eDP-1]
> to [CRTC:8]
> [ 2.573027] [drm:intel_modeset_affected_pipes] set mode pipe masks:
> modeset: 1, prepare: 1, disable: 0
> [ 2.573029] [drm:connected_sink_compute_bpp] [CONNECTOR:19:eDP-1]
> checking for sink bpp constrains
> [ 2.573033] [drm:intel_dp_compute_config] DP link computation with max
> lane count 2 max bw 0a pixel clock 65000KHz
> [ 2.573034] [drm:intel_dp_compute_config] clamping bpp for eDP panel to
> BIOS-provided 18
> [ 2.573037] [drm:intel_dp_compute_config] DP link bw 0a lane count 2
> clock 270000 bpp 18
> [ 2.573038] [drm:intel_dp_compute_config] DP link bw required 117000
> available 432000
> [ 2.573041] [drm:intel_modeset_pipe_config] plane bpp: 24, pipe bpp:
> 18, dithering: 1
> [ 2.573043] [drm:intel_dump_pipe_config] [CRTC:8][modeset] config for
> pipe A
> [ 2.573044] [drm:intel_dump_pipe_config] cpu_transcoder: D
> [ 2.573046] [drm:intel_dump_pipe_config] pipe bpp: 18, dithering: 1
> [ 2.573048] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m:
> 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
> [ 2.573051] [drm:intel_dump_pipe_config] dp: 1, gmch_m: 2271914,
> gmch_n: 8388608, link_m: 126217, link_n: 524288, tu: 64
> [ 2.573053] [drm:intel_dump_pipe_config] dp: 1, gmch_m2: 0, gmch_n2: 0,
> link_m2: 0, link_n2: 0, tu2: 0
> [ 2.573054] [drm:intel_dump_pipe_config] requested mode:
> [ 2.573058] [drm:drm_mode_debug_printmodeline] Modeline 0:"1024x768" 60
> 65000 1024 1048 1184 1344 768 771 777 806 0x48 0xa
> [ 2.573059] [drm:intel_dump_pipe_config] adjusted mode:
> [ 2.573062] [drm:drm_mode_debug_printmodeline] Modeline 0:"1024x768" 60
> 65000 1024 1048 1184 1344 768 771 777 806 0x48 0xa
> [ 2.573066] [drm:intel_dump_crtc_timings] crtc timings: 65000 1024 1048
> 1184 1344 768 771 777 806, type: 0x48 flags: 0xa
> [ 2.573067] [drm:intel_dump_pipe_config] port clock: 270000
> [ 2.573068] [drm:intel_dump_pipe_config] pipe src size: 1024x768
> [ 2.573071] [drm:intel_dump_pipe_config] gmch pfit: control:
> 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
> [ 2.573072] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000,
> size: 0x00000000, disabled
> [ 2.573074] [drm:intel_dump_pipe_config] ips: 1
> [ 2.573075] [drm:intel_dump_pipe_config] double wide: 0
> [ 2.573093] [drm:intel_edp_backlight_off]
> [ 2.580314] ACPI: Video Device [GFX0] (multi-head: yes rom: no post:
> no)
> [ 2.580432] input: Video Bus as
> /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/LNXVIDEO:00/input/input4
> [ 2.580610] [drm] Initialized i915 1.6.0 20140905 for 0000:00:02.0 on
> minor 0
> [ 2.581098] ACPI Warning: SystemIO range
> 0x000000000000F040-0x000000000000F05F conflicts with OpRegion
> 0x000000000000F040-0x000000000000F04F (\_SB_.PCI0.SBUS.SMBI)
> (20140926/utaddress-254)
> [ 2.581100] ACPI: If an ACPI driver is available for this device, you
> should use it instead of the native driver
> [ 2.604539] igb 0000:01:00.0 enp1s0: renamed from eth0
> [ 2.626516] igb 0000:02:00.0 enp2s0: renamed from eth1
> [ 2.698198] usb 2-1: new high-speed USB device number 2 using xhci_hcd
> [ 2.774280] [drm:intel_panel_actually_set_backlight] set backlight PWM
> = 0
> [ 2.782525] [drm:intel_edp_panel_off] Turn eDP power off
> [ 2.782530] [drm:wait_panel_off] Wait for panel power off time
> [ 2.782535] [drm:wait_panel_status] mask b0000000 value 00000000 status
> 80000008 control abcd0000
> [ 2.830136] usb 2-1: New USB device found, idVendor=13fe, idProduct=1a00
> [ 2.830139] usb 2-1: New USB device strings: Mfr=1, Product=2,
> SerialNumber=3
> [ 2.830140] usb 2-1: Product: USB DISK 28X
> [ 2.830141] usb 2-1: Manufacturer:
> [ 2.830142] usb 2-1: SerialNumber: 075A0F4101E9
> [ 2.846358] [drm:wait_panel_status] Wait complete
> [ 2.846365] [drm:intel_update_fbc] no output, disabling
> [ 2.846370] [drm:intel_display_power_put] disabling display
> [ 2.846373] [drm:hsw_set_power_well] Requesting to disable the power
> well
> [ 2.846391] [drm:intel_edp_panel_on] Turn eDP power on
> [ 2.846394] [drm:wait_panel_power_cycle] Wait for panel power cycle
> [ 2.942471] usb 2-3: new low-speed USB device number 3 using xhci_hcd
> [ 3.034625] Switched to clocksource tsc
> [ 3.073376] usb 2-3: New USB device found, idVendor=045e, idProduct=0797
> [ 3.073379] usb 2-3: New USB device strings: Mfr=0, Product=2,
> SerialNumber=0
> [ 3.073381] usb 2-3: Product: USB Optical Mouse
> [ 3.073507] usb 2-3: ep 0x81 - rounding interval to 64 microframes, ep
> desc says 80 microframes
> [ 3.090675] random: nonblocking pool is initialized
> [ 3.238781] usb 2-4: new low-speed USB device number 4 using xhci_hcd
> [ 3.372107] usb 2-4: New USB device found, idVendor=046d, idProduct=c31c
> [ 3.372109] usb 2-4: New USB device strings: Mfr=1, Product=2,
> SerialNumber=0
> [ 3.372110] usb 2-4: Product: USB Keyboard
> [ 3.372112] usb 2-4: Manufacturer: Logitech
> [ 3.372235] usb 2-4: ep 0x81 - rounding interval to 64 microframes, ep
> desc says 80 microframes
> [ 3.372242] usb 2-4: ep 0x82 - rounding interval to 1024 microframes,
> ep desc says 2040 microframes
> [ 3.381966] hidraw: raw HID events driver (C) Jiri Kosina
> [ 3.383344] usb-storage 2-1:1.0: USB Mass Storage device detected
> [ 3.383439] scsi host4: usb-storage 2-1:1.0
> [ 3.383548] usbcore: registered new interface driver usb-storage
> [ 3.386953] [drm:wait_panel_status] mask b800000f value 00000000 status
> 00000000 control abcd0000
> [ 3.386955] [drm:wait_panel_status] Wait complete
> [ 3.386959] [drm:wait_panel_on] Wait for panel power on
> [ 3.386962] [drm:wait_panel_status] mask b000000f value 80000008
> status 0000000a control abcd0003
> [ 3.391017] usbcore: registered new interface driver usbhid
> [ 3.391018] usbhid: USB HID core driver
> [ 3.392212] input: USB Optical Mouse as
> /devices/pci0000:00/0000:00:14.0/usb2/2-3/2-3:1.0/0003:045E:0797.0001/input/input5
> [ 3.392395] hid-generic 0003:045E:0797.0001: input,hidraw0: USB HID
> v1.11 Mouse [USB Optical Mouse] on usb-0000:00:14.0-3/input0
> [ 3.392584] input: Logitech USB Keyboard as
> /devices/pci0000:00/0000:00:14.0/usb2/2-4/2-4:1.0/0003:046D:C31C.0002/input/input6
> [ 3.392694] hid-generic 0003:046D:C31C.0002: input,hidraw1: USB HID
> v1.10 Keyboard [Logitech USB Keyboard] on usb-0000:00:14.0-4/input0
> [ 3.394178] input: Logitech USB Keyboard as
> /devices/pci0000:00/0000:00:14.0/usb2/2-4/2-4:1.1/0003:046D:C31C.0003/input/input7
> [ 3.394289] hid-generic 0003:046D:C31C.0003: input,hidraw2: USB HID
> v1.10 Device [Logitech USB Keyboard] on usb-0000:00:14.0-4/input1
> [ 3.595166] [drm:wait_panel_status] Wait complete
> [ 3.595174] [drm:edp_panel_vdd_on] Turning eDP VDD on
> [ 3.595181] [drm:edp_panel_vdd_on] PP_STATUS: 0x80000008 PP_CONTROL:
> 0xabcd000b
> [ 3.596418] [drm:intel_dp_set_signal_levels] Using signal levels
> 00000000
> [ 3.597214] [drm:intel_dp_set_signal_levels] Using signal levels
> 04000000
> [ 3.597994] [drm:intel_dp_start_link_train] clock recovery OK
> [ 3.599088] [drm:intel_dp_set_signal_levels] Using signal levels
> 05000000
> [ 3.600171] [drm:intel_dp_set_signal_levels] Using signal levels
> 06000000
> [ 3.601250] [drm:intel_dp_complete_link_train] Channel EQ done. DP
> Training successful
> [ 3.601558] [drm:intel_edp_backlight_on]
> [ 3.601560] [drm:intel_panel_enable_backlight] pipe A
> [ 3.601565] [drm:intel_panel_actually_set_backlight] set backlight PWM
> = 937
> [ 3.603176] [drm:intel_edp_psr_enable] PSR not supported by this panel
> [ 3.603183] [drm:ironlake_update_primary_plane] Writing base 00227000
> 00000000 0 0 5120
> [ 3.635207] [drm:intel_update_fbc] disabled per chip default
> [ 3.635212] [drm:intel_connector_check_state] [CONNECTOR:19:eDP-1]
> [ 3.635215] [drm:check_encoder_state] [ENCODER:18:TMDS-18]
> [ 3.635216] [drm:check_encoder_state] [ENCODER:47:TMDS-47]
> [ 3.635218] [drm:check_encoder_state] [ENCODER:50:TMDS-50]
> [ 3.635220] [drm:check_crtc_state] [CRTC:8]
> [ 3.635227] [drm:check_crtc_state] [CRTC:12]
> [ 3.635228] [drm:check_crtc_state] [CRTC:16]
> [ 3.635229] [drm:check_shared_dpll_state] WRPLL 1
> [ 3.635231] [drm:check_shared_dpll_state] WRPLL 2
> [ 3.635245] [drm:intel_crtc_set_config] [CRTC:12] [FB:62] #connectors=1
> (x y) (0 0)
> [ 3.635247] [drm:intel_set_config_compute_mode_changes] inactive crtc,
> full mode set
> [ 3.635248] [drm:intel_set_config_compute_mode_changes] modes are
> different, full mode set
> [ 3.635251] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 0 0 0 0
> 0 0 0 0 0 0x0 0x0
> [ 3.635253] [drm:drm_mode_debug_printmodeline] Modeline 61:"1280x1024"
> 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x48 0x5
> [ 3.635255] [drm:intel_set_config_compute_mode_changes] computed
> changes for [CRTC:12], mode_changed=1, fb_changed=0
> [ 3.635256] [drm:intel_modeset_stage_output_state] encoder changed,
> full mode switch
> [ 3.635257] [drm:intel_modeset_stage_output_state] [CONNECTOR:19:eDP-1]
> to [CRTC:8]
> [ 3.635259] [drm:intel_modeset_stage_output_state]
> [CONNECTOR:48:HDMI-A-1] to [CRTC:12]
> [ 3.635260] [drm:intel_modeset_stage_output_state] crtc changed, full
> mode switch
> [ 3.635261] [drm:intel_modeset_stage_output_state] crtc enabled, full
> mode switch
> [ 3.635263] [drm:intel_modeset_affected_pipes] set mode pipe masks:
> modeset: 2, prepare: 2, disable: 0
> [ 3.635265] [drm:connected_sink_compute_bpp] [CONNECTOR:48:HDMI-A-1]
> checking for sink bpp constrains
> [ 3.635268] [drm:intel_hdmi_compute_config] picking bpc to 8 for HDMI
> output
> [ 3.635269] [drm:intel_hdmi_compute_config] forcing pipe bpc to 24 for
> HDMI
> [ 3.635271] [drm:intel_modeset_pipe_config] plane bpp: 24, pipe bpp:
> 24, dithering: 0
> [ 3.635272] [drm:intel_dump_pipe_config] [CRTC:12][modeset] config for
> pipe B
> [ 3.635273] [drm:intel_dump_pipe_config] cpu_transcoder: B
> [ 3.635274] [drm:intel_dump_pipe_config] pipe bpp: 24, dithering: 0
> [ 3.635276] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m:
> 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
> [ 3.635277] [drm:intel_dump_pipe_config] dp: 0, gmch_m: 0, gmch_n: 0,
> link_m: 0, link_n: 0, tu: 0
> [ 3.635279] [drm:intel_dump_pipe_config] dp: 0, gmch_m2: 0, gmch_n2: 0,
> link_m2: 0, link_n2: 0, tu2: 0
> [ 3.635279] [drm:intel_dump_pipe_config] requested mode:
> [ 3.635282] [drm:drm_mode_debug_printmodeline] Modeline 0:"1280x1024"
> 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x48 0x5
> [ 3.635282] [drm:intel_dump_pipe_config] adjusted mode:
> [ 3.635284] [drm:drm_mode_debug_printmodeline] Modeline 0:"1280x1024"
> 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x48 0x5
> [ 3.635286] [drm:intel_dump_crtc_timings] crtc timings: 108000 1280
> 1328 1440 1688 1024 1025 1028 1066, type: 0x48 flags: 0x5
> [ 3.635287] [drm:intel_dump_pipe_config] port clock: 108000
> [ 3.635288] [drm:intel_dump_pipe_config] pipe src size: 1280x1024
> [ 3.635290] [drm:intel_dump_pipe_config] gmch pfit: control:
> 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
> [ 3.635291] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000,
> size: 0x00000000, disabled
> [ 3.635292] [drm:intel_dump_pipe_config] ips: 0
> [ 3.635293] [drm:intel_dump_pipe_config] double wide: 0
> [ 3.635296] [drm:intel_display_power_get] enabling display
> [ 3.635298] [drm:hsw_set_power_well] Enabling power well
> [ 3.644664] [drm:intel_get_shared_dpll] CRTC:12 allocated WRPLL 1
> [ 3.644665] [drm:intel_get_shared_dpll] using WRPLL 1 for pipe B
> [ 3.644666] [drm:intel_enable_shared_dpll] enable WRPLL 1 (active 0,
> on? 0) for crtc 12
> [ 3.644667] [drm:intel_enable_shared_dpll] enabling WRPLL 1
> [ 3.675253] [drm:ironlake_update_primary_plane] Writing base 00227000
> 00000000 0 0 5120
> [ 3.675257] [drm:intel_update_fbc] more than one pipe active, disabling
> compression
> [ 3.675260] [drm:intel_connector_check_state] [CONNECTOR:19:eDP-1]
> [ 3.675263] [drm:intel_connector_check_state] [CONNECTOR:48:HDMI-A-1]
> [ 3.675265] [drm:check_encoder_state] [ENCODER:18:TMDS-18]
> [ 3.675266] [drm:check_encoder_state] [ENCODER:47:TMDS-47]
> [ 3.675268] [drm:check_encoder_state] [ENCODER:50:TMDS-50]
> [ 3.675269] [drm:check_crtc_state] [CRTC:8]
> [ 3.675276] [drm:check_crtc_state] [CRTC:12]
> [ 3.675282] [drm:check_crtc_state] [CRTC:16]
> [ 3.675283] [drm:check_shared_dpll_state] WRPLL 1
> [ 3.675284] [drm:check_shared_dpll_state] WRPLL 2
> [ 3.675286] [drm:intel_crtc_set_config] [CRTC:16] [NOFB]
> [ 3.675288] [drm:intel_set_config_compute_mode_changes] computed
> changes for [CRTC:16], mode_changed=0, fb_changed=0
> [ 3.675289] [drm:intel_modeset_stage_output_state] [CONNECTOR:19:eDP-1]
> to [CRTC:8]
> [ 3.675290] [drm:intel_modeset_stage_output_state]
> [CONNECTOR:48:HDMI-A-1] to [CRTC:12]
> [ 3.675308] Console: switching to colour frame buffer device 128x48
> [ 3.675317] [drm:intel_crtc_set_config] [CRTC:8] [FB:62] #connectors=1
> (x y) (0 0)
> [ 3.675318] [drm:intel_set_config_compute_mode_changes] computed
> changes for [CRTC:8], mode_changed=0, fb_changed=0
> [ 3.675320] [drm:intel_modeset_stage_output_state] [CONNECTOR:19:eDP-1]
> to [CRTC:8]
> [ 3.675321] [drm:intel_modeset_stage_output_state]
> [CONNECTOR:48:HDMI-A-1] to [CRTC:12]
> [ 3.675322] [drm:intel_crtc_set_config] [CRTC:12] [FB:62] #connectors=1
> (x y) (0 0)
> [ 3.675324] [drm:intel_set_config_compute_mode_changes] computed
> changes for [CRTC:12], mode_changed=0, fb_changed=0
> [ 3.675325] [drm:intel_modeset_stage_output_state] [CONNECTOR:19:eDP-1]
> to [CRTC:8]
> [ 3.675326] [drm:intel_modeset_stage_output_state]
> [CONNECTOR:48:HDMI-A-1] to [CRTC:12]
> [ 3.678050] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device
> [ 3.678052] i915 0000:00:02.0: registered panic notifier
> [ 3.678077] [drm:intel_crtc_set_config] [CRTC:8] [FB:62] #connectors=1
> (x y) (0 0)
> [ 3.678080] [drm:intel_set_config_compute_mode_changes] computed
> changes for [CRTC:8], mode_changed=0, fb_changed=0
> [ 3.678082] [drm:intel_modeset_stage_output_state] [CONNECTOR:19:eDP-1]
> to [CRTC:8]
> [ 3.678083] [drm:intel_modeset_stage_output_state]
> [CONNECTOR:48:HDMI-A-1] to [CRTC:12]
> [ 3.678086] [drm:intel_crtc_set_config] [CRTC:12] [FB:62] #connectors=1
> (x y) (0 0)
> [ 3.678087] [drm:intel_set_config_compute_mode_changes] computed
> changes for [CRTC:12], mode_changed=0, fb_changed=0
> [ 3.678089] [drm:intel_modeset_stage_output_state] [CONNECTOR:19:eDP-1]
> to [CRTC:8]
> [ 3.678090] [drm:intel_modeset_stage_output_state]
> [CONNECTOR:48:HDMI-A-1] to [CRTC:12]
> [ 3.696388] [drm:intel_backlight_device_update_status] updating
> intel_backlight, brightness=468/937
> [ 3.696393] [drm:intel_panel_actually_set_backlight] set backlight PWM
> = 468
> [ 3.735546] audit: type=1305 audit(1447318899.126:2): audit_pid=522
> old=0 auid=4294967295 ses=4294967295 res=1
> [ 3.787504] [drm:intel_print_rc6_info] Enabling RC6 states: RC6 on,
> RC6p off, RC6pp off
> [ 3.787517] [drm:gen6_enable_rps] Overclocking supported. Max: 1100MHz,
> Overclock max: 1100MHz
> [ 3.829240] ip6_tables: (C) 2000-2006 Netfilter Core Team
> [ 3.845311] nf_conntrack version 0.5.0 (16384 buckets, 65536 max)
> [ 3.849077] ip_tables: (C) 2000-2006 Netfilter Core Team
> [ 3.927154] [drm:i915_gem_open]
> [ 3.927210] [drm:intel_crtc_set_config] [CRTC:8] [FB:62] #connectors=1
> (x y) (0 0)
> [ 3.927215] [drm:intel_set_config_compute_mode_changes] computed
> changes for [CRTC:8], mode_changed=0, fb_changed=0
> [ 3.927218] [drm:intel_modeset_stage_output_state] [CONNECTOR:19:eDP-1]
> to [CRTC:8]
> [ 3.927221] [drm:intel_modeset_stage_output_state]
> [CONNECTOR:48:HDMI-A-1] to [CRTC:12]
> [ 3.927225] [drm:intel_crtc_set_config] [CRTC:12] [FB:62] #connectors=1
> (x y) (0 0)
> [ 3.927227] [drm:intel_set_config_compute_mode_changes] computed
> changes for [CRTC:12], mode_changed=0, fb_changed=0
> [ 3.927230] [drm:intel_modeset_stage_output_state] [CONNECTOR:19:eDP-1]
> to [CRTC:8]
> [ 3.927232] [drm:intel_modeset_stage_output_state]
> [CONNECTOR:48:HDMI-A-1] to [CRTC:12]
> [ 3.927234] [drm:intel_crtc_set_config] [CRTC:16] [NOFB]
> [ 3.927237] [drm:intel_set_config_compute_mode_changes] computed
> changes for [CRTC:16], mode_changed=0, fb_changed=0
> [ 3.927239] [drm:intel_modeset_stage_output_state] [CONNECTOR:19:eDP-1]
> to [CRTC:8]
> [ 3.927241] [drm:intel_modeset_stage_output_state]
> [CONNECTOR:48:HDMI-A-1] to [CRTC:12]
> [ 3.931842] [drm:intel_crtc_set_config] [CRTC:8] [FB:62] #connectors=1
> (x y) (0 0)
> [ 3.931846] [drm:intel_set_config_compute_mode_changes] computed
> changes for [CRTC:8], mode_changed=0, fb_changed=0
> [ 3.931848] [drm:intel_modeset_stage_output_state] [CONNECTOR:19:eDP-1]
> to [CRTC:8]
> [ 3.931850] [drm:intel_modeset_stage_output_state]
> [CONNECTOR:48:HDMI-A-1] to [CRTC:12]
> [ 3.931854] [drm:intel_crtc_set_config] [CRTC:12] [FB:62] #connectors=1
> (x y) (0 0)
> [ 3.931857] [drm:intel_set_config_compute_mode_changes] computed
> changes for [CRTC:12], mode_changed=0, fb_changed=0
> [ 3.931858] [drm:intel_modeset_stage_output_state] [CONNECTOR:19:eDP-1]
> to [CRTC:8]
> [ 3.931860] [drm:intel_modeset_stage_output_state]
> [CONNECTOR:48:HDMI-A-1] to [CRTC:12]
> [ 3.934563] [drm:i915_gem_open]
> [ 3.934584] [drm:drm_mode_getresources] CRTC[3] CONNECTORS[3]
> ENCODERS[3]
> [ 3.935277] [drm:drm_mode_getresources] CRTC[3] CONNECTORS[3]
> ENCODERS[3]
> [ 3.935290] [drm:drm_mode_addfb] [FB:52]
> [ 3.935461] [drm:drm_mode_getresources] CRTC[3] CONNECTORS[3]
> ENCODERS[3]
> [ 3.935465] [drm:drm_mode_getresources] CRTC[3] CONNECTORS[3]
> ENCODERS[3]
> [ 3.935625] [drm:drm_mode_getconnector] [CONNECTOR:19:?]
> [ 3.935638] [drm:drm_mode_getconnector] [CONNECTOR:48:?]
> [ 3.935647] [drm:drm_mode_getconnector] [CONNECTOR:48:?]
> [ 3.935731] [drm:drm_mode_getconnector] [CONNECTOR:51:?]
> [ 3.935736] [drm:drm_mode_getconnector] [CONNECTOR:51:?]
> [ 3.943453] [drm:drm_mode_getconnector] [CONNECTOR:51:?]
> [ 3.943457] [drm:drm_helper_probe_single_connector_modes_merge_bits]
> [CONNECTOR:51:HDMI-A-2]
> [ 3.943460] [drm:intel_hdmi_detect] [CONNECTOR:51:HDMI-A-2]
> [ 3.943641] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050
> w(1)
> [ 3.943647] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] NAK on first
> message, retry
> [ 3.943822] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050
> w(1)
> [ 3.943827] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent
> adapter i915 gmbus dpc
> [ 3.943831] [drm:drm_helper_probe_single_connector_modes_merge_bits]
> [CONNECTOR:51:HDMI-A-2] disconnected
> [ 3.943872] [drm:drm_mode_getconnector] [CONNECTOR:48:?]
> [ 3.943875] [drm:drm_helper_probe_single_connector_modes_merge_bits]
> [CONNECTOR:48:HDMI-A-1]
> [ 3.943877] [drm:intel_hdmi_detect] [CONNECTOR:48:HDMI-A-1]
> [ 3.956632] [drm:drm_edid_to_eld] ELD: no CEA Extension found
> [ 3.956644] [drm:drm_helper_probe_single_connector_modes_merge_bits]
> [CONNECTOR:48:HDMI-A-1] probed modes :
> [ 3.956648] [drm:drm_mode_debug_printmodeline] Modeline 22:"1280x1024"
> 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x48 0x5
> [ 3.956651] [drm:drm_mode_debug_printmodeline] Modeline 54:"1280x1024"
> 75 135000 1280 1296 1440 1688 1024 1025 1028 1066 0x40 0x5
> [ 3.956654] [drm:drm_mode_debug_printmodeline] Modeline 23:"1280x960"
> 60 108000 1280 1376 1488 1800 960 961 964 1000 0x40 0x5
> [ 3.956657] [drm:drm_mode_debug_printmodeline] Modeline 55:"1024x768"
> 75 78800 1024 1040 1136 1312 768 769 772 800 0x40 0x5
> [ 3.956660] [drm:drm_mode_debug_printmodeline] Modeline 56:"1024x768"
> 70 75000 1024 1048 1184 1328 768 771 777 806 0x40 0xa
> [ 3.956663] [drm:drm_mode_debug_printmodeline] Modeline 57:"1024x768"
> 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
> [ 3.956666] [drm:drm_mode_debug_printmodeline] Modeline 58:"800x600" 75
> 49500 800 816 896 1056 600 601 604 625 0x40 0x5
> [ 3.956669] [drm:drm_mode_debug_printmodeline] Modeline 59:"800x600" 72
> 50000 800 856 976 1040 600 637 643 666 0x40 0x5
> [ 3.956672] [drm:drm_mode_debug_printmodeline] Modeline 24:"800x600" 60
> 40000 800 840 968 1056 600 601 605 628 0x40 0x5
> [ 3.956675] [drm:drm_mode_debug_printmodeline] Modeline 25:"800x600" 56
> 36000 800 824 896 1024 600 601 603 625 0x40 0x5
> [ 3.956677] [drm:drm_mode_debug_printmodeline] Modeline 26:"640x480" 75
> 31500 640 656 720 840 480 481 484 500 0x40 0xa
> [ 3.956680] [drm:drm_mode_debug_printmodeline] Modeline 27:"640x480" 73
> 31500 640 664 704 832 480 489 491 520 0x40 0xa
> [ 3.956683] [drm:drm_mode_debug_printmodeline] Modeline 35:"640x480" 67
> 30240 640 704 768 864 480 483 486 525 0x40 0xa
> [ 3.956686] [drm:drm_mode_debug_printmodeline] Modeline 38:"640x480" 60
> 25200 640 656 752 800 480 490 492 525 0x40 0xa
> [ 3.956689] [drm:drm_mode_debug_printmodeline] Modeline 53:"720x400" 70
> 28320 720 738 846 900 400 412 414 449 0x40 0x6
> [ 3.956694] [drm:drm_mode_getconnector] [CONNECTOR:48:?]
> [ 4.026994] [drm:drm_mode_addfb] [FB:52]
> [ 4.032615] [drm:drm_mode_addfb] [FB:63]
> [ 4.032628] [drm:drm_mode_setcrtc] [CRTC:8]
> [ 4.032633] [drm:drm_mode_setcrtc] [CONNECTOR:48:HDMI-A-1]
> [ 4.032638] [drm:intel_crtc_set_config] [CRTC:8] [FB:63] #connectors=1
> (x y) (0 0)
> [ 4.032642] [drm:intel_set_config_compute_mode_changes] modes are
> different, full mode set
> [ 4.032648] [drm:drm_mode_debug_printmodeline] Modeline 60:"1024x768"
> 60 65000 1024 1048 1184 1344 768 771 777 806 0x48 0xa
> [ 4.032653] [drm:drm_mode_debug_printmodeline] Modeline 64:"" 0 108000
> 1280 1328 1440 1688 1024 1025 1028 1066 0x0 0x5
> [ 4.032657] [drm:intel_set_config_compute_mode_changes] computed
> changes for [CRTC:8], mode_changed=1, fb_changed=1
> [ 4.032660] [drm:intel_modeset_stage_output_state] [CONNECTOR:19:eDP-1]
> to [NOCRTC]
> [ 4.032662] [drm:intel_modeset_stage_output_state] encoder changed,
> full mode switch
> [ 4.032666] [drm:intel_modeset_stage_output_state]
> [CONNECTOR:48:HDMI-A-1] to [CRTC:8]
> [ 4.032668] [drm:intel_modeset_stage_output_state] crtc changed, full
> mode switch
> [ 4.032671] [drm:intel_modeset_stage_output_state] crtc changed, full
> mode switch
> [ 4.032674] [drm:intel_modeset_stage_output_state] crtc disabled, full
> mode switch
> [ 4.032679] [drm:intel_modeset_affected_pipes] set mode pipe masks:
> modeset: 1, prepare: 1, disable: 2
> [ 4.032683] [drm:connected_sink_compute_bpp] [CONNECTOR:48:HDMI-A-1]
> checking for sink bpp constrains
> [ 4.032687] [drm:intel_hdmi_compute_config] picking bpc to 8 for HDMI
> output
> [ 4.032689] [drm:intel_hdmi_compute_config] forcing pipe bpc to 24 for
> HDMI
> [ 4.032692] [drm:intel_modeset_pipe_config] plane bpp: 24, pipe bpp:
> 24, dithering: 0
> [ 4.032694] [drm:intel_dump_pipe_config] [CRTC:8][modeset] config for
> pipe A
> [ 4.032696] [drm:intel_dump_pipe_config] cpu_transcoder: A
> [ 4.032698] [drm:intel_dump_pipe_config] pipe bpp: 24, dithering: 0
> [ 4.032701] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m:
> 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
> [ 4.032703] [drm:intel_dump_pipe_config] dp: 0, gmch_m: 0, gmch_n: 0,
> link_m: 0, link_n: 0, tu: 0
> [ 4.032705] [drm:intel_dump_pipe_config] dp: 0, gmch_m2: 0, gmch_n2: 0,
> link_m2: 0, link_n2: 0, tu2: 0
> [ 4.032707] [drm:intel_dump_pipe_config] requested mode:
> [ 4.032710] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 108000
> 1280 1328 1440 1688 1024 1025 1028 1066 0x0 0x5
> [ 4.032712] [drm:intel_dump_pipe_config] adjusted mode:
> [ 4.032715] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 108000
> 1280 1328 1440 1688 1024 1025 1028 1066 0x0 0x5
> [ 4.032718] [drm:intel_dump_crtc_timings] crtc timings: 108000 1280
> 1328 1440 1688 1024 1025 1028 1066, type: 0x0 flags: 0x5
> [ 4.032720] [drm:intel_dump_pipe_config] port clock: 108000
> [ 4.032721] [drm:intel_dump_pipe_config] pipe src size: 1280x1024
> [ 4.032724] [drm:intel_dump_pipe_config] gmch pfit: control:
> 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
> [ 4.032726] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000,
> size: 0x00000000, disabled
> [ 4.032728] [drm:intel_dump_pipe_config] ips: 1
> [ 4.032730] [drm:intel_dump_pipe_config] double wide: 0
> [ 4.040030] [drm:intel_update_fbc] disabled per chip default
> [ 4.040038] [drm:intel_disable_shared_dpll] disable WRPLL 1 (active 1,
> on? 1) for crtc 12
> [ 4.040043] [drm:intel_disable_shared_dpll] disabling WRPLL 1
> [ 4.055717] [drm:intel_edp_backlight_off]
> [ 4.259908] [drm:intel_panel_actually_set_backlight] set backlight PWM
> = 0
> [ 4.276161] [drm:intel_edp_panel_off] Turn eDP power off
> [ 4.276169] [drm:wait_panel_off] Wait for panel power off time
> [ 4.276174] [drm:wait_panel_status] mask b0000000 value 00000000 status
> 80000008 control abcd0000
> [ 4.340008] [drm:wait_panel_status] Wait complete
> [ 4.340022] [drm:intel_update_fbc] no output, disabling
> [ 4.341508] [drm:intel_get_shared_dpll] CRTC:8 allocated WRPLL 1
> [ 4.341511] [drm:intel_get_shared_dpll] using WRPLL 1 for pipe A
> [ 4.341514] [drm:intel_enable_shared_dpll] enable WRPLL 1 (active 0,
> on? 0) for crtc 8
> [ 4.341516] [drm:intel_enable_shared_dpll] enabling WRPLL 1
> [ 4.341658] [drm:ironlake_update_primary_plane] Writing base 00C28000
> 00000000 0 0 5120
> [ 4.360071] [drm:intel_update_fbc] disabled per chip default
> [ 4.360085] [drm:intel_connector_check_state] [CONNECTOR:48:HDMI-A-1]
> [ 4.360089] [drm:check_encoder_state] [ENCODER:18:TMDS-18]
> [ 4.360092] [drm:check_encoder_state] [ENCODER:47:TMDS-47]
> [ 4.360094] [drm:check_encoder_state] [ENCODER:50:TMDS-50]
> [ 4.360096] [drm:check_crtc_state] [CRTC:8]
> [ 4.360105] [drm:check_crtc_state] [CRTC:12]
> [ 4.360107] [drm:check_crtc_state] [CRTC:16]
> [ 4.360110] [drm:check_shared_dpll_state] WRPLL 1
> [ 4.360112] [drm:check_shared_dpll_state] WRPLL 2
> [ 4.360154] [drm:drm_mode_setcrtc] [CRTC:12]
> [ 4.360156] [drm:intel_crtc_set_config] [CRTC:12] [NOFB]
> [ 4.360160] [drm:intel_set_config_compute_mode_changes] computed
> changes for [CRTC:12], mode_changed=0, fb_changed=0
> [ 4.360162] [drm:intel_modeset_stage_output_state]
> [CONNECTOR:48:HDMI-A-1] to [CRTC:8]
> [ 4.360167] [drm:drm_mode_setcrtc] [CRTC:16]
> [ 4.360169] [drm:intel_crtc_set_config] [CRTC:16] [NOFB]
> [ 4.360171] [drm:intel_set_config_compute_mode_changes] computed
> changes for [CRTC:16], mode_changed=0, fb_changed=0
> [ 4.360173] [drm:intel_modeset_stage_output_state]
> [CONNECTOR:48:HDMI-A-1] to [CRTC:8]
> [ 4.384355] scsi 4:0:0:0: Direct-Access USB DISK 28X
> PMAP PQ: 0 ANSI: 0 CCS
> [ 4.384854] sd 4:0:0:0: Attached scsi generic sg1 type 0
> [ 4.385051] sd 4:0:0:0: [sdb] 503808 512-byte logical blocks: (257
> MB/246 MiB)
> [ 4.385206] sd 4:0:0:0: [sdb] Write Protect is off
> [ 4.385211] sd 4:0:0:0: [sdb] Mode Sense: 23 00 00 00
> [ 4.385566] sd 4:0:0:0: [sdb] No Caching mode page found
> [ 4.385572] sd 4:0:0:0: [sdb] Assuming drive cache: write through
> [ 4.389047] sdb: sdb1
> [ 4.389869] sd 4:0:0:0: [sdb] Attached SCSI removable disk
> [ 5.761452] [drm:i915_gem_open]
> [ 5.800157] [drm:i915_gem_context_create_ioctl] HW context 1 created
> [ 5.801723] [drm:i915_gem_context_destroy_ioctl] HW context 1 destroyed
> [ 5.903119] igb 0000:01:00.0 enp1s0: igb: enp1s0 NIC Link is Up 100
> Mbps Full Duplex, Flow Control: RX/TX
> [ 5.975007] IPv4: martian source 255.255.255.255 from 192.168.1.178, on
> dev enp1s0
> [ 5.975014] ll header: 00000000: ff ff ff ff ff ff 00 12 f3 12 fc f8 08
> 00 ..............
> [ 6.062811] [drm:drm_mode_getconnector] [CONNECTOR:48:?]
> [ 6.062820] [drm:drm_helper_probe_single_connector_modes_merge_bits]
> [CONNECTOR:48:HDMI-A-1]
> [ 6.062825] [drm:intel_hdmi_detect] [CONNECTOR:48:HDMI-A-1]
> [ 6.075612] [drm:drm_edid_to_eld] ELD: no CEA Extension found
> [ 6.075630] [drm:drm_helper_probe_single_connector_modes_merge_bits]
> [CONNECTOR:48:HDMI-A-1] probed modes :
> [ 6.075637] [drm:drm_mode_debug_printmodeline] Modeline 22:"1280x1024"
> 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x48 0x5
> [ 6.075643] [drm:drm_mode_debug_printmodeline] Modeline 54:"1280x1024"
> 75 135000 1280 1296 1440 1688 1024 1025 1028 1066 0x40 0x5
> [ 6.075648] [drm:drm_mode_debug_printmodeline] Modeline 23:"1280x960"
> 60 108000 1280 1376 1488 1800 960 961 964 1000 0x40 0x5
> [ 6.075654] [drm:drm_mode_debug_printmodeline] Modeline 55:"1024x768"
> 75 78800 1024 1040 1136 1312 768 769 772 800 0x40 0x5
> [ 6.075659] [drm:drm_mode_debug_printmodeline] Modeline 56:"1024x768"
> 70 75000 1024 1048 1184 1328 768 771 777 806 0x40 0xa
> [ 6.075664] [drm:drm_mode_debug_printmodeline] Modeline 57:"1024x768"
> 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
> [ 6.075669] [drm:drm_mode_debug_printmodeline] Modeline 58:"800x600" 75
> 49500 800 816 896 1056 600 601 604 625 0x40 0x5
> [ 6.075674] [drm:drm_mode_debug_printmodeline] Modeline 59:"800x600" 72
> 50000 800 856 976 1040 600 637 643 666 0x40 0x5
> [ 6.075679] [drm:drm_mode_debug_printmodeline] Modeline 24:"800x600" 60
> 40000 800 840 968 1056 600 601 605 628 0x40 0x5
> [ 6.075684] [drm:drm_mode_debug_printmodeline] Modeline 25:"800x600" 56
> 36000 800 824 896 1024 600 601 603 625 0x40 0x5
> [ 6.075689] [drm:drm_mode_debug_printmodeline] Modeline 26:"640x480" 75
> 31500 640 656 720 840 480 481 484 500 0x40 0xa
> [ 6.075694] [drm:drm_mode_debug_printmodeline] Modeline 27:"640x480" 73
> 31500 640 664 704 832 480 489 491 520 0x40 0xa
> [ 6.075699] [drm:drm_mode_debug_printmodeline] Modeline 35:"640x480" 67
> 30240 640 704 768 864 480 483 486 525 0x40 0xa
> [ 6.075703] [drm:drm_mode_debug_printmodeline] Modeline 38:"640x480" 60
> 25200 640 656 752 800 480 490 492 525 0x40 0xa
> [ 6.075708] [drm:drm_mode_debug_printmodeline] Modeline 53:"720x400" 70
> 28320 720 738 846 900 400 412 414 449 0x40 0x6
> [ 6.075729] [drm:drm_mode_getconnector] [CONNECTOR:48:?]
> [ 6.075790] [drm:drm_mode_getconnector] [CONNECTOR:51:?]
> [ 6.075794] [drm:drm_helper_probe_single_connector_modes_merge_bits]
> [CONNECTOR:51:HDMI-A-2]
> [ 6.075798] [drm:intel_hdmi_detect] [CONNECTOR:51:HDMI-A-2]
> [ 6.075983] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050
> w(1)
> [ 6.075986] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] NAK on first
> message, retry
> [ 6.076156] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050
> w(1)
> [ 6.076160] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent
> adapter i915 gmbus dpc
> [ 6.076163] [drm:drm_helper_probe_single_connector_modes_merge_bits]
> [CONNECTOR:51:HDMI-A-2] disconnected
> [ 6.167851] [drm:drm_mode_getconnector] [CONNECTOR:48:?]
> [ 6.167859] [drm:drm_helper_probe_single_connector_modes_merge_bits]
> [CONNECTOR:48:HDMI-A-1]
> [ 6.167864] [drm:intel_hdmi_detect] [CONNECTOR:48:HDMI-A-1]
> [ 6.180640] [drm:drm_edid_to_eld] ELD: no CEA Extension found
> [ 6.180659] [drm:drm_helper_probe_single_connector_modes_merge_bits]
> [CONNECTOR:48:HDMI-A-1] probed modes :
> [ 6.180666] [drm:drm_mode_debug_printmodeline] Modeline 22:"1280x1024"
> 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x48 0x5
> [ 6.180671] [drm:drm_mode_debug_printmodeline] Modeline 54:"1280x1024"
> 75 135000 1280 1296 1440 1688 1024 1025 1028 1066 0x40 0x5
> [ 6.180676] [drm:drm_mode_debug_printmodeline] Modeline 23:"1280x960"
> 60 108000 1280 1376 1488 1800 960 961 964 1000 0x40 0x5
> [ 6.180682] [drm:drm_mode_debug_printmodeline] Modeline 55:"1024x768"
> 75 78800 1024 1040 1136 1312 768 769 772 800 0x40 0x5
> [ 6.180686] [drm:drm_mode_debug_printmodeline] Modeline 56:"1024x768"
> 70 75000 1024 1048 1184 1328 768 771 777 806 0x40 0xa
> [ 6.180691] [drm:drm_mode_debug_printmodeline] Modeline 57:"1024x768"
> 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
> [ 6.180696] [drm:drm_mode_debug_printmodeline] Modeline 58:"800x600" 75
> 49500 800 816 896 1056 600 601 604 625 0x40 0x5
> [ 6.180701] [drm:drm_mode_debug_printmodeline] Modeline 59:"800x600" 72
> 50000 800 856 976 1040 600 637 643 666 0x40 0x5
> [ 6.180706] [drm:drm_mode_debug_printmodeline] Modeline 24:"800x600" 60
> 40000 800 840 968 1056 600 601 605 628 0x40 0x5
> [ 6.180711] [drm:drm_mode_debug_printmodeline] Modeline 25:"800x600" 56
> 36000 800 824 896 1024 600 601 603 625 0x40 0x5
> [ 6.180715] [drm:drm_mode_debug_printmodeline] Modeline 26:"640x480" 75
> 31500 640 656 720 840 480 481 484 500 0x40 0xa
> [ 6.180720] [drm:drm_mode_debug_printmodeline] Modeline 27:"640x480" 73
> 31500 640 664 704 832 480 489 491 520 0x40 0xa
> [ 6.180725] [drm:drm_mode_debug_printmodeline] Modeline 35:"640x480" 67
> 30240 640 704 768 864 480 483 486 525 0x40 0xa
> [ 6.180729] [drm:drm_mode_debug_printmodeline] Modeline 38:"640x480" 60
> 25200 640 656 752 800 480 490 492 525 0x40 0xa
> [ 6.180734] [drm:drm_mode_debug_printmodeline] Modeline 53:"720x400" 70
> 28320 720 738 846 900 400 412 414 449 0x40 0x6
> [ 6.180756] [drm:drm_mode_getconnector] [CONNECTOR:48:?]
> [ 6.180802] [drm:drm_mode_getconnector] [CONNECTOR:51:?]
> [ 6.180806] [drm:drm_helper_probe_single_connector_modes_merge_bits]
> [CONNECTOR:51:HDMI-A-2]
> [ 6.180809] [drm:intel_hdmi_detect] [CONNECTOR:51:HDMI-A-2]
> [ 6.180986] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050
> w(1)
> [ 6.180990] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] NAK on first
> message, retry
> [ 6.181162] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050
> w(1)
> [ 6.181166] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent
> adapter i915 gmbus dpc
> [ 6.181170] [drm:drm_helper_probe_single_connector_modes_merge_bits]
> [CONNECTOR:51:HDMI-A-2] disconnected
> [ 6.183875] [drm:drm_mode_getconnector] [CONNECTOR:48:?]
> [ 6.183882] [drm:drm_helper_probe_single_connector_modes_merge_bits]
> [CONNECTOR:48:HDMI-A-1]
> [ 6.183887] [drm:intel_hdmi_detect] [CONNECTOR:48:HDMI-A-1]
> [ 6.196671] [drm:drm_edid_to_eld] ELD: no CEA Extension found
> [ 6.196690] [drm:drm_helper_probe_single_connector_modes_merge_bits]
> [CONNECTOR:48:HDMI-A-1] probed modes :
> [ 6.196695] [drm:drm_mode_debug_printmodeline] Modeline 22:"1280x1024"
> 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x48 0x5
> [ 6.196701] [drm:drm_mode_debug_printmodeline] Modeline 54:"1280x1024"
> 75 135000 1280 1296 1440 1688 1024 1025 1028 1066 0x40 0x5
> [ 6.196705] [drm:drm_mode_debug_printmodeline] Modeline 23:"1280x960"
> 60 108000 1280 1376 1488 1800 960 961 964 1000 0x40 0x5
> [ 6.196710] [drm:drm_mode_debug_printmodeline] Modeline 55:"1024x768"
> 75 78800 1024 1040 1136 1312 768 769 772 800 0x40 0x5
> [ 6.196716] [drm:drm_mode_debug_printmodeline] Modeline 56:"1024x768"
> 70 75000 1024 1048 1184 1328 768 771 777 806 0x40 0xa
> [ 6.196720] [drm:drm_mode_debug_printmodeline] Modeline 57:"1024x768"
> 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
> [ 6.196725] [drm:drm_mode_debug_printmodeline] Modeline 58:"800x600" 75
> 49500 800 816 896 1056 600 601 604 625 0x40 0x5
> [ 6.196730] [drm:drm_mode_debug_printmodeline] Modeline 59:"800x600" 72
> 50000 800 856 976 1040 600 637 643 666 0x40 0x5
> [ 6.196735] [drm:drm_mode_debug_printmodeline] Modeline 24:"800x600" 60
> 40000 800 840 968 1056 600 601 605 628 0x40 0x5
> [ 6.196740] [drm:drm_mode_debug_printmodeline] Modeline 25:"800x600" 56
> 36000 800 824 896 1024 600 601 603 625 0x40 0x5
> [ 6.196745] [drm:drm_mode_debug_printmodeline] Modeline 26:"640x480" 75
> 31500 640 656 720 840 480 481 484 500 0x40 0xa
> [ 6.196749] [drm:drm_mode_debug_printmodeline] Modeline 27:"640x480" 73
> 31500 640 664 704 832 480 489 491 520 0x40 0xa
> [ 6.196754] [drm:drm_mode_debug_printmodeline] Modeline 35:"640x480" 67
> 30240 640 704 768 864 480 483 486 525 0x40 0xa
> [ 6.196759] [drm:drm_mode_debug_printmodeline] Modeline 38:"640x480" 60
> 25200 640 656 752 800 480 490 492 525 0x40 0xa
> [ 6.196764] [drm:drm_mode_debug_printmodeline] Modeline 53:"720x400" 70
> 28320 720 738 846 900 400 412 414 449 0x40 0x6
> [ 6.196785] [drm:drm_mode_getconnector] [CONNECTOR:48:?]
> [ 6.196830] [drm:drm_mode_getconnector] [CONNECTOR:51:?]
> [ 6.196834] [drm:drm_helper_probe_single_connector_modes_merge_bits]
> [CONNECTOR:51:HDMI-A-2]
> [ 6.196837] [drm:intel_hdmi_detect] [CONNECTOR:51:HDMI-A-2]
> [ 6.197012] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050
> w(1)
> [ 6.197016] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] NAK on first
> message, retry
> [ 6.197186] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050
> w(1)
> [ 6.197191] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent
> adapter i915 gmbus dpc
> [ 6.197195] [drm:drm_helper_probe_single_connector_modes_merge_bits]
> [CONNECTOR:51:HDMI-A-2] disconnected
> [ 6.321186] [drm:i915_gem_open]
> [ 6.407964] [drm:i915_gem_context_create_ioctl] HW context 1 created
> [ 6.409919] [drm:i915_gem_context_destroy_ioctl] HW context 1 destroyed
> [ 6.560869] [drm:drm_mode_getconnector] [CONNECTOR:48:?]
> [ 6.560875] [drm:drm_helper_probe_single_connector_modes_merge_bits]
> [CONNECTOR:48:HDMI-A-1]
> [ 6.560879] [drm:intel_hdmi_detect] [CONNECTOR:48:HDMI-A-1]
> [ 6.573651] [drm:drm_edid_to_eld] ELD: no CEA Extension found
> [ 6.573670] [drm:drm_helper_probe_single_connector_modes_merge_bits]
> [CONNECTOR:48:HDMI-A-1] probed modes :
> [ 6.573676] [drm:drm_mode_debug_printmodeline] Modeline 22:"1280x1024"
> 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x48 0x5
> [ 6.573682] [drm:drm_mode_debug_printmodeline] Modeline 54:"1280x1024"
> 75 135000 1280 1296 1440 1688 1024 1025 1028 1066 0x40 0x5
> [ 6.573687] [drm:drm_mode_debug_printmodeline] Modeline 23:"1280x960"
> 60 108000 1280 1376 1488 1800 960 961 964 1000 0x40 0x5
> [ 6.573692] [drm:drm_mode_debug_printmodeline] Modeline 55:"1024x768"
> 75 78800 1024 1040 1136 1312 768 769 772 800 0x40 0x5
> [ 6.573697] [drm:drm_mode_debug_printmodeline] Modeline 56:"1024x768"
> 70 75000 1024 1048 1184 1328 768 771 777 806 0x40 0xa
> [ 6.573702] [drm:drm_mode_debug_printmodeline] Modeline 57:"1024x768"
> 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
> [ 6.573707] [drm:drm_mode_debug_printmodeline] Modeline 58:"800x600" 75
> 49500 800 816 896 1056 600 601 604 625 0x40 0x5
> [ 6.573712] [drm:drm_mode_debug_printmodeline] Modeline 59:"800x600" 72
> 50000 800 856 976 1040 600 637 643 666 0x40 0x5
> [ 6.573717] [drm:drm_mode_debug_printmodeline] Modeline 24:"800x600" 60
> 40000 800 840 968 1056 600 601 605 628 0x40 0x5
> [ 6.573722] [drm:drm_mode_debug_printmodeline] Modeline 25:"800x600" 56
> 36000 800 824 896 1024 600 601 603 625 0x40 0x5
> [ 6.573727] [drm:drm_mode_debug_printmodeline] Modeline 26:"640x480" 75
> 31500 640 656 720 840 480 481 484 500 0x40 0xa
> [ 6.573732] [drm:drm_mode_debug_printmodeline] Modeline 27:"640x480" 73
> 31500 640 664 704 832 480 489 491 520 0x40 0xa
> [ 6.573736] [drm:drm_mode_debug_printmodeline] Modeline 35:"640x480" 67
> 30240 640 704 768 864 480 483 486 525 0x40 0xa
> [ 6.573741] [drm:drm_mode_debug_printmodeline] Modeline 38:"640x480" 60
> 25200 640 656 752 800 480 490 492 525 0x40 0xa
> [ 6.573746] [drm:drm_mode_debug_printmodeline] Modeline 53:"720x400" 70
> 28320 720 738 846 900 400 412 414 449 0x40 0x6
> [ 6.573765] [drm:drm_mode_getconnector] [CONNECTOR:48:?]
> [ 6.573811] [drm:drm_mode_getconnector] [CONNECTOR:51:?]
> [ 6.573814] [drm:drm_helper_probe_single_connector_modes_merge_bits]
> [CONNECTOR:51:HDMI-A-2]
> [ 6.573818] [drm:intel_hdmi_detect] [CONNECTOR:51:HDMI-A-2]
> [ 6.573992] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050
> w(1)
> [ 6.573995] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] NAK on first
> message, retry
> [ 6.574163] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050
> w(1)
> [ 6.574166] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent
> adapter i915 gmbus dpc
> [ 6.574170] [drm:drm_helper_probe_single_connector_modes_merge_bits]
> [CONNECTOR:51:HDMI-A-2] disconnected
> [ 6.924873] IPv4: martian source 255.255.255.255 from 192.168.0.136, on
> dev enp1s0
> [ 6.924894] ll header: 00000000: ff ff ff ff ff ff d0 67 e5 0a dd 1d 08
> 00 .......g......
> [ 7.550146] [drm:i915_gem_context_create_ioctl] HW context 1 created
> [ 7.602127] [drm:drm_mode_addfb] [FB:65]
> [ 8.466305] nf_conntrack: automatic helper assignment is deprecated and
> it will be removed soon. Use the iptables CT target to attach helpers
> instead.
> [ 8.712156] IPv4: martian source 255.255.255.255 from 192.168.0.15, on
> dev enp1s0
> [ 8.712162] ll header: 00000000: ff ff ff ff ff ff 00 26 b9 69 78 92 08
> 00 .......&.ix...
> [ 8.712648] IPv4: martian source 255.255.255.255 from 192.168.1.178, on
> dev enp1s0
> [ 8.712651] ll header: 00000000: ff ff ff ff ff ff 00 12 f3 12 fc f8 08
> 00 ..............
> [ 8.834198] igb 0000:02:00.0 enp2s0: igb: enp2s0 NIC Link is Up 100
> Mbps Full Duplex, Flow Control: RX
> [ 9.097980] IPv4: martian source 255.255.255.255 from 192.168.1.235, on
> dev enp1s0
> [ 9.097986] ll header: 00000000: ff ff ff ff ff ff 00 20 84 01 49 63 08
> 00 ....... ..Ic..
> [ 10.988213] IPv4: martian source 255.255.255.255 from 192.168.1.178, on
> dev enp1s0
> [ 10.988230] ll header: 00000000: ff ff ff ff ff ff 00 12 f3 12 fc f8 08
> 00 ..............
> [ 14.041449] igb 0000:02:00.0: removed PHC on enp2s0
> [ 19.099013] rt_igb 0000:02:00.0: irq 47 for MSI/MSI-X
> [ 19.099020] rt_igb 0000:02:00.0: irq 48 for MSI/MSI-X
> [ 19.143540] RTnet: registered rteth0
> [ 19.143568] rt_igb 0000:02:00.0: Intel(R) Gigabit Ethernet Network
> Connection
> [ 19.143576] rt_igb 0000:02:00.0: rteth0: (PCIe:2.5Gb/s:Width x1)
> d0:4c:c1:00:cb:b7
> [ 19.143648] rt_igb 0000:02:00.0: rteth0: PBA No: 000200-000
> [ 19.143654] rt_igb 0000:02:00.0: Using MSI-X interrupts. 1 rx queue(s),
> 1 tx queue(s)
> [ 19.148790] initializing loopback...
> [ 19.148809] RTnet: registered rtlo
> [ 19.157396] RTcfg: init real-time configuration distribution protocol
> [ 19.163401] RTmac: init realtime media access control
> [ 20.604079] fuse init (API version 7.23)
> [ 23.666977] rt_igb: rteth0: igb: rteth0 NIC Link is Up 100 Mbps Full
> Duplex, Flow Control: RX
> [ 27.030583] [drm:i915_gem_open]
> [ 27.057688] [drm:i915_gem_context_create_ioctl] HW context 1 created
> [ 27.152954] [drm:i915_gem_context_create_ioctl] HW context 2 created
> [ 27.251774] [drm:i915_gem_context_create_ioctl] HW context 3 created
> [ 27.409028] [drm:i915_gem_context_create_ioctl] HW context 4 created
> [ 31.517235] [drm:intel_crtc_cursor_set_obj] cursor off
> [ 65.572235] [drm:intel_backlight_device_update_status] updating
> intel_backlight, brightness=450/937
>
> On Thu, Nov 12, 2015 at 4:40 PM, Stéphane ANCELOT <sancelot at free.fr>
> wrote:
>
>> On 12/11/2015 09:28, Shih-Yuan Lee (FourDollars) wrote:
>>
>> I think the first step is to identify which backlight interface is able
>> to actually change the brightness.
>> Usually there are two backlight interfaces under /sys/class/backlight/,
>> i.e. /sys/class/backlight/acpi_video0 and
>> /sys/class/backlight/intel_backlight.
>> However you may see other different backlight interfaces under
>> /sys/class/backlight/. It depends on what hardware you are using.
>> Executing `cat max_brightness` under those folders can see the max
>> brightness and then you can execute `echo $(($(cat max_brightness)/2)) |
>> sudo tee brightness` to adjust it to about 50% brightness.
>>
>> only /sys/class/backlight/intel_backlight is present.
>> max_brightness is 937
>>
>> these commands have no effect on display brightness:
>> echo 0 >brightness
>> echo 468 >brightness
>> echo 937 >brightness
>>
>> Regards,
>> Steph
>>
>>
>>
>> On Thu, Nov 12, 2015 at 4:08 PM, Stéphane ANCELOT <sancelot at free.fr>
>> wrote:
>>
>>> Hi,
>>> I have seen you were working on brightness. Right, but this is useful
>>> only if many worlwide users would be able to activate it.
>>> I have never been able to make it working on my intel systemes (core i5
>>> - 4300u , core i3 ...)
>>> Very difficult to check where the problem is coming from, altough you
>>> have either an intel_backlight or acpi_backlight folder in the sys directory
>>> Regarding many many posts on the web, this sounds tricky and difficult
>>> to know why it has not worked, or simply the documentation is lacking ....
>>>
>>> Regards,
>>> S.Ancelot
>>>
>>>
>>> On 12/11/2015 06:43, Shih-Yuan Lee (FourDollars) wrote:
>>>
>>>> There was a wonderful period after
>>>>
>>>> commit 6dda730e55f412a6dfb181cae6784822ba463847
>>>> Author: Jani Nikula <jani.nikula at intel.com>
>>>> Date: Tue Jun 24 18:27:40 2014 +0300
>>>>
>>>> drm/i915: respect the VBT minimum backlight brightness
>>>>
>>>> The backlight class 0 brightness means the PWM min and it does not turn
>>>> off the backlight. After kernel 3.18, the backlight class 0 brightness
>>>> is used to turn off the backlight and the PWM min is missing.
>>>>
>>>> Because of
>>>>
>>>> commit e6755fb78e8f20ecadf2a4080084121336624ad9
>>>> Author: Jani Nikula <jani.nikula at intel.com>
>>>> Date: Tue Aug 12 17:11:42 2014 +0300
>>>>
>>>> drm/i915: switch off backlight for backlight class 0 brightness
>>>>
>>>> Use "VBT backlight PWM modulation frequency 200 Hz, active high, min
>>>> brightness 10, level 255" as an example. It means the VBT min is 10
>>>> out of [0..255] and the PWM max is 937 from other place so the
>>>> corresponding PWM min should be 37 (10 * 937 / 255).
>>>>
>>>> When we set backlight class 0 brightness, the backlight is turned off.
>>>> Althought the PWM value is 37 when the backlight is off but it is
>>>> useless. When we set set backlight class 1 brightness, the backlight is
>>>> on but the PWM value is 38 and it doesn't match the corresponding PWM
>>>> min of the VBT minimum backlight.
>>>>
>>>> And it has another minor issue that there are some backlight class
>>>> brightness values are mapped to the same PWM value because the backlight
>>>> class brightness range is larger than the valid PWM brightness range.
>>>>
>>>> The backlight class brightness range [0..937]
>>>> The valid PWM brightness range [37..937]
>>>>
>>>> This commit makes that backlight class 1 brightness means the PWM min
>>>> and backlight class max_brightness means the PWM max, and the ranges
>>>> become
>>>>
>>>> The backlight class brightness range [0..901]
>>>> The valid PWM brightness range [36..937]
>>>>
>>>> That's no backlight class brightness value mapped to the same PWM value.
>>>>
>>>> Signed-off-by: Shih-Yuan Lee (FourDollars) <sylee at canonical.com>
>>>> ---
>>>> drivers/gpu/drm/i915/intel_panel.c | 26 ++++++++++++++++++--------
>>>> 1 file changed, 18 insertions(+), 8 deletions(-)
>>>>
>>>> diff --git a/drivers/gpu/drm/i915/intel_panel.c
>>>> b/drivers/gpu/drm/i915/intel_panel.c
>>>> index b05c6d9..8efa199 100644
>>>> --- a/drivers/gpu/drm/i915/intel_panel.c
>>>> +++ b/drivers/gpu/drm/i915/intel_panel.c
>>>> @@ -1194,10 +1194,9 @@ static int
>>>> intel_backlight_device_register(struct intel_connector *connector)
>>>> props.type = BACKLIGHT_RAW;
>>>> /*
>>>> - * Note: Everything should work even if the backlight device max
>>>> - * presented to the userspace is arbitrarily chosen.
>>>> + * Expose the whole valid PWM brightness range to the backlight
>>>> class.
>>>> */
>>>> - props.max_brightness = panel->backlight.max;
>>>> + props.max_brightness = panel->backlight.max -
>>>> panel->backlight.min;
>>>> props.brightness = scale_hw_to_user(connector,
>>>> panel->backlight.level,
>>>> props.max_brightness);
>>>> @@ -1400,7 +1399,8 @@ static u32 get_backlight_min_vbt(struct
>>>> intel_connector *connector)
>>>> struct drm_device *dev = connector->base.dev;
>>>> struct drm_i915_private *dev_priv = dev->dev_private;
>>>> struct intel_panel *panel = &connector->panel;
>>>> - int min;
>>>> + int vbt_min;
>>>> + u32 pwm_min;
>>>> WARN_ON(panel->backlight.max == 0);
>>>> @@ -1411,14 +1411,24 @@ static u32 get_backlight_min_vbt(struct
>>>> intel_connector *connector)
>>>> * against this by letting the minimum be at most (arbitrarily
>>>> chosen)
>>>> * 25% of the max.
>>>> */
>>>> - min = clamp_t(int, dev_priv->vbt.backlight.min_brightness, 0,
>>>> 64);
>>>> - if (min != dev_priv->vbt.backlight.min_brightness) {
>>>> + vbt_min = clamp_t(int, dev_priv->vbt.backlight.min_brightness,
>>>> 0, 64);
>>>> + if (vbt_min != dev_priv->vbt.backlight.min_brightness) {
>>>> DRM_DEBUG_KMS("clamping VBT min backlight %d/255 to
>>>> %d/255\n",
>>>> - dev_priv->vbt.backlight.min_brightness,
>>>> min);
>>>> + dev_priv->vbt.backlight.min_brightness,
>>>> vbt_min);
>>>> }
>>>> /* vbt value is a coefficient in range [0..255] */
>>>> - return scale(min, 0, 255, 0, panel->backlight.max);
>>>> + pwm_min = scale(vbt_min, 0, 255, 0, panel->backlight.max);
>>>> +
>>>> + /*
>>>> + * Because backlight class brightness 0 is used to turn off the
>>>> backlight, we
>>>> + * need to step down a little bit here to make backlight class
>>>> brightness 1
>>>> + * match the real PWM min.
>>>> + */
>>>> + if (pwm_min > 0)
>>>> + return pwm_min - 1;
>>>> + else
>>>> + return 0;
>>>> }
>>>> static int lpt_setup_backlight(struct intel_connector *connector,
>>>> enum pipe unused)
>>>>
>>>
>>> _______________________________________________
>>> Intel-gfx mailing list
>>> Intel-gfx at lists.freedesktop.org
>>> http://lists.freedesktop.org/mailman/listinfo/intel-gfx
>>>
>>
>>
>>
>
>
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