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I just got the new XPS 13 7390 (without touchscreen, 1920x1080 res, i7-10510U) and I'm suffering from the classic screen tearing. I decided to buy a laptop without a discrete GPU because I thought the general consensus said, that integrated graphics are more solid than discrete. I know that this is bleeding edge hardware and I took the risk.
I have a clean install with LXQT and bspwm as WM.
The tearing happens whenever I have a full screen video on Chrome/FF OR whenever I DON'T have a fullscreen video on mpv. Strange huh?
I've read top to bottom the wiki for Intel Graphics/Hardware acceleration and tried almost all the combinations. By using the xf86-video-intel along with their X11 configs (TearFree etc), chrome gave me extreme glitches and was unresponsive, kitty (gpu terminal) too. Thus currently, I'm using the modeset driver. Moreover, I've installed intel-media-driver, libvdpau-va-gl and I've set the following envs
LIBVA_DRIVER_NAME=iHD
MESA_LOADER_DRIVER_OVERRIDE=iris
VDPAU_DRIVER=va_gl
Also I tried compton and I tweaked GPU related browser flags, without any luck.
A few outputs
➜ glxgears
324 frames in 5.0 seconds = 64.609 FPS
301 frames in 5.0 seconds = 60.031 FPS
➜ lshw
description: Notebook
product: XPS 13 7390 (0962)
vendor: Dell Inc.
serial: CGR31Z2
width: 4294967295 bits
capabilities: smbios-3.2 dmi-3.2 smp vsyscall32
configuration: boot=normal chassis=notebook family=XPS sku=0962 uuid=44454C4C-4700-1052-8033-C3C04F315A32
*-core
description: Motherboard
product: 0G2D0W
vendor: Dell Inc.
physical id: 0
version: A00
serial: /CGR31Z2/CNCMK0099E0274/
*-firmware
description: BIOS
vendor: Dell Inc.
physical id: 1
version: 1.0.0
date: 07/19/2019
size: 1MiB
capacity: 15MiB
capabilities: pci pnp upgrade shadowing cdboot bootselect edd int5printscreen int9keyboard int14serial int17printer acpi usb smartbattery biosbootspecification netboot uefi
*-cpu
description: CPU
product: Intel(R) Core(TM) i7-10510U CPU @ 1.80GHz
vendor: Intel Corp.
physical id: 400
bus info: cpu@0
version: Intel(R) Core(TM) i7-10510U CPU @ 1.80GHz
serial: To Be Filled By O.E.M.
slot: CPU 1
size: 2172MHz
capacity: 4900MHz
width: 64 bits
clock: 100MHz
capabilities: x86-64 fpu fpu_exception wp vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp constant_tsc art arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch cpuid_fault epb invpcid_single ssbd ibrs ibpb stibp ibrs_enhanced tpr_shadow vnmi flexpriority ept vpid ept_ad fsgsbase tsc_adjust bmi1 avx2 smep bmi2 erms invpcid mpx rdseed adx smap clflushopt intel_pt xsaveopt xsavec xgetbv1 xsaves dtherm ida arat pln pts hwp hwp_notify hwp_act_window hwp_epp md_clear flush_l1d arch_capabilities cpufreq
configuration: cores=4 enabledcores=4 threads=8
*-cache:0
description: L1 cache
physical id: 700
slot: L1 Cache
size: 256KiB
capacity: 256KiB
capabilities: synchronous internal write-back unified
configuration: level=1
*-cache:1
description: L2 cache
physical id: 701
slot: L2 Cache
size: 1MiB
capacity: 1MiB
capabilities: synchronous internal write-back unified
configuration: level=2
*-cache:2
description: L3 cache
physical id: 702
slot: L3 Cache
size: 8MiB
capacity: 8MiB
capabilities: synchronous internal write-back unified
configuration: level=3
*-memory
description: System Memory
physical id: 1000
slot: System board or motherboard
size: 16GiB
*-bank:0
description: Row of chips LPDDR3 Synchronous 2133 MHz (0.5 ns)
product: H9CCNNNCLGALAR-NVD
vendor: SK Hynix
physical id: 0
serial: 00000000
slot: MotherBoard
size: 8GiB
width: 64 bits
clock: 2133MHz (0.5ns)
*-bank:1
description: Row of chips LPDDR3 Synchronous 2133 MHz (0.5 ns)
product: H9CCNNNCLGALAR-NVD
vendor: SK Hynix
physical id: 1
serial: 00000000
slot: MotherBoard
size: 8GiB
width: 64 bits
clock: 2133MHz (0.5ns)
*-pci
description: Host bridge
product: Intel Corporation
vendor: Intel Corporation
physical id: 100
bus info: pci@0000:00:00.0
version: 0c
width: 32 bits
clock: 33MHz
*-display
description: VGA compatible controller
product: Intel Corporation
vendor: Intel Corporation
physical id: 2
bus info: pci@0000:00:02.0
logical name: /dev/fb0
version: 02
width: 64 bits
clock: 33MHz
capabilities: pciexpress msi pm vga_controller bus_master cap_list rom fb
configuration: depth=32 driver=i915 latency=0 mode=1920x1080 visual=truecolor xres=1920 yres=1080
resources: iomemory:600-5ff iomemory:400-3ff irq:139 memory:604a000000-604affffff memory:4000000000-400fffffff ioport:3000(size=64) memory:c0000-dffff
*-generic:0
description: Signal processing controller
product: Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Thermal Subsystem
vendor: Intel Corporation
physical id: 4
bus info: pci@0000:00:04.0
version: 0c
width: 64 bits
clock: 33MHz
capabilities: msi pm cap_list
configuration: driver=proc_thermal latency=0
resources: iomemory:600-5ff irq:16 memory:604b110000-604b117fff
*-generic:1 UNCLAIMED
description: System peripheral
product: Xeon E3-1200 v5/v6 / E3-1500 v5 / 6th/7th Gen Core Processor Gaussian Mixture Model
vendor: Intel Corporation
physical id: 8
bus info: pci@0000:00:08.0
version: 00
width: 64 bits
clock: 33MHz
capabilities: msi pm cap_list
configuration: latency=0
resources: iomemory:600-5ff memory:604b124000-604b124fff
*-generic:2 UNCLAIMED
description: Signal processing controller
product: Intel Corporation
vendor: Intel Corporation
physical id: 12
bus info: pci@0000:00:12.0
version: 00
width: 64 bits
clock: 33MHz
capabilities: pm msi cap_list
configuration: latency=0
resources: iomemory:600-5ff memory:604b123000-604b123fff
*-usb
description: USB controller
product: Intel Corporation
vendor: Intel Corporation
physical id: 14
bus info: pci@0000:00:14.0
version: 00
width: 64 bits
clock: 33MHz
capabilities: pm msi xhci cap_list
configuration: driver=xhci_hcd latency=0
resources: iomemory:600-5ff irq:141 memory:604b100000-604b10ffff
*-usbhost:0
product: xHCI Host Controller
vendor: Linux 5.3.6-arch1-1-ARCH xhci-hcd
physical id: 0
bus info: usb@1
logical name: usb1
version: 5.03
capabilities: usb-2.00
configuration: driver=hub slots=12 speed=480Mbit/s
*-usb:0
description: Video
product: Integrated_Webcam_HD
vendor: CN09357G8LG0097HA20TA01
physical id: 5
bus info: usb@1:5
version: 80.08
capabilities: usb-2.01
configuration: driver=uvcvideo maxpower=500mA speed=480Mbit/s
*-usb:1
description: Bluetooth wireless interface
vendor: Intel Corp.
physical id: 7
bus info: usb@1:7
version: 0.01
capabilities: bluetooth usb-2.01
configuration: driver=btusb maxpower=100mA speed=12Mbit/s
*-usb:2
description: Modem
product: Goodix Fingerprint Device
vendor: HTMicroelectronics
physical id: a
bus info: usb@1:a
version: 1.00
serial: HTK32
capabilities: usb-2.00 atcommands
configuration: driver=cdc_acm maxpower=100mA speed=12Mbit/s
*-usbhost:1
product: xHCI Host Controller
vendor: Linux 5.3.6-arch1-1-ARCH xhci-hcd
physical id: 1
bus info: usb@2
logical name: usb2
version: 5.03
capabilities: usb-3.00
configuration: driver=hub slots=6 speed=5000Mbit/s
*-memory UNCLAIMED
description: RAM memory
product: Intel Corporation
vendor: Intel Corporation
physical id: 14.2
bus info: pci@0000:00:14.2
version: 00
width: 64 bits
clock: 33MHz (30.3ns)
capabilities: pm cap_list
configuration: latency=0
resources: iomemory:600-5ff iomemory:600-5ff memory:604b11c000-604b11dfff memory:604b122000-604b122fff
*-serial:0
description: Serial bus controller
product: Intel Corporation
vendor: Intel Corporation
physical id: 15
bus info: pci@0000:00:15.0
version: 00
width: 64 bits
clock: 33MHz
capabilities: pm bus_master cap_list
configuration: driver=intel-lpss latency=0
resources: irq:16 memory:4010000000-4010000fff
*-serial:1
description: Serial bus controller
product: Intel Corporation
vendor: Intel Corporation
physical id: 15.1
bus info: pci@0000:00:15.1
version: 00
width: 64 bits
clock: 33MHz
capabilities: pm bus_master cap_list
configuration: driver=intel-lpss latency=0
resources: irq:17 memory:4010001000-4010001fff
*-communication UNCLAIMED
description: Communication controller
product: Intel Corporation
vendor: Intel Corporation
physical id: 16
bus info: pci@0000:00:16.0
version: 00
width: 64 bits
clock: 33MHz
capabilities: pm msi cap_list
configuration: latency=0
resources: iomemory:600-5ff memory:604b11f000-604b11ffff
*-pci:0
description: PCI bridge
product: Intel Corporation
vendor: Intel Corporation
physical id: 1c
bus info: pci@0000:00:1c.0
version: f0
width: 32 bits
clock: 33MHz
capabilities: pci pciexpress msi pm normal_decode bus_master cap_list
configuration: driver=pcieport
resources: irq:122 memory:9e300000-9e3fffff
*-generic
description: Unassigned class
product: RTS525A PCI Express Card Reader
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:01:00.0
version: 01
width: 32 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list
configuration: driver=rtsx_pci latency=0
resources: irq:140 memory:9e300000-9e300fff
*-pci:1
description: PCI bridge
product: Intel Corporation
vendor: Intel Corporation
physical id: 1c.6
bus info: pci@0000:00:1c.6
version: f0
width: 32 bits
clock: 33MHz
capabilities: pci pciexpress msi pm normal_decode bus_master cap_list
configuration: driver=pcieport
resources: irq:123 memory:9e200000-9e2fffff
*-network
description: Wireless interface
product: Wi-Fi 6 AX200
vendor: Intel Corporation
physical id: 0
bus info: pci@0000:02:00.0
logical name: wlp2s0
version: 1a
serial: dc:71:96:6e:0b:13
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress msix bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=iwlwifi driverversion=5.3.6-arch1-1-ARCH firmware=48.4fa0041f.0 ip=192.168.1.139 latency=0 link=yes multicast=yes wireless=IEEE 802.11
resources: irq:18 memory:9e200000-9e203fff
*-pci:2
description: PCI bridge
product: Intel Corporation
vendor: Intel Corporation
physical id: 1d
bus info: pci@0000:00:1d.0
version: f0
width: 32 bits
clock: 33MHz
capabilities: pci pciexpress msi pm normal_decode bus_master cap_list
configuration: driver=pcieport
resources: irq:124 ioport:4000(size=12288) memory:70000000-9e0fffff ioport:6000000000(size=1241513984)
*-pci
description: PCI bridge
product: JHL6540 Thunderbolt 3 Bridge (C step) [Alpine Ridge 4C 2016]
vendor: Intel Corporation
physical id: 0
bus info: pci@0000:03:00.0
version: 02
width: 32 bits
clock: 33MHz
capabilities: pci pm msi pciexpress normal_decode bus_master cap_list
configuration: driver=pcieport
resources: irq:16 ioport:4000(size=8192) memory:70000000-9dffffff ioport:6000000000(size=1241513984)
*-pci:0
description: PCI bridge
product: JHL6540 Thunderbolt 3 Bridge (C step) [Alpine Ridge 4C 2016]
vendor: Intel Corporation
physical id: 0
bus info: pci@0000:04:00.0
version: 02
width: 64 bits
clock: 33MHz
capabilities: pci pm msi pciexpress normal_decode bus_master cap_list
configuration: driver=pcieport
resources: iomemory:1f10-1f0f irq:126 memory:9df00000-9dffffff
*-generic
description: System peripheral
product: JHL6540 Thunderbolt 3 NHI (C step) [Alpine Ridge 4C 2016]
vendor: Intel Corporation
physical id: 0
bus info: pci@0000:05:00.0
version: 02
width: 32 bits
clock: 33MHz
capabilities: pm msi pciexpress msix bus_master cap_list
configuration: driver=thunderbolt latency=0
resources: irq:16 memory:9df00000-9df3ffff memory:9df40000-9df40fff
*-pci:1
description: PCI bridge
product: JHL6540 Thunderbolt 3 Bridge (C step) [Alpine Ridge 4C 2016]
vendor: Intel Corporation
physical id: 1
bus info: pci@0000:04:01.0
version: 02
width: 64 bits
clock: 33MHz
capabilities: pci pm msi pciexpress normal_decode bus_master cap_list
configuration: driver=pcieport
resources: iomemory:41410-4140f irq:127 ioport:4000(size=4096) memory:87000000-9defffff ioport:6025000000(size=620756992)
*-pci:2
description: PCI bridge
product: JHL6540 Thunderbolt 3 Bridge (C step) [Alpine Ridge 4C 2016]
vendor: Intel Corporation
physical id: 2
bus info: pci@0000:04:02.0
version: 02
width: 64 bits
clock: 33MHz
capabilities: pci pm msi pciexpress normal_decode bus_master cap_list
configuration: driver=pcieport
resources: iomemory:1f10-1f0f irq:128 memory:86f00000-86ffffff
*-usb
description: USB controller
product: JHL6540 Thunderbolt 3 USB Controller (C step) [Alpine Ridge 4C 2016]
vendor: Intel Corporation
physical id: 0
bus info: pci@0000:3b:00.0
version: 02
width: 32 bits
clock: 33MHz
capabilities: pm msi pciexpress xhci cap_list
configuration: driver=xhci_hcd latency=0
resources: irq:142 memory:86f00000-86f0ffff
*-usbhost:0
product: xHCI Host Controller
vendor: Linux 5.3.6-arch1-1-ARCH xhci-hcd
physical id: 0
bus info: usb@3
logical name: usb3
version: 5.03
capabilities: usb-2.00
configuration: driver=hub slots=2 speed=480Mbit/s
*-usbhost:1
product: xHCI Host Controller
vendor: Linux 5.3.6-arch1-1-ARCH xhci-hcd
physical id: 1
bus info: usb@4
logical name: usb4
version: 5.03
capabilities: usb-3.00
configuration: driver=hub slots=2 speed=5000Mbit/s
*-pci:3
description: PCI bridge
product: JHL6540 Thunderbolt 3 Bridge (C step) [Alpine Ridge 4C 2016]
vendor: Intel Corporation
physical id: 4
bus info: pci@0000:04:04.0
version: 02
width: 64 bits
clock: 33MHz
capabilities: pci pm msi pciexpress normal_decode bus_master cap_list
configuration: driver=pcieport
resources: iomemory:51510-5150f irq:129 ioport:5000(size=4096) memory:70000000-86efffff ioport:6000000000(size=620756992)
*-pci:3
description: PCI bridge
product: Intel Corporation
vendor: Intel Corporation
physical id: 1d.4
bus info: pci@0000:00:1d.4
version: f0
width: 32 bits
clock: 33MHz
capabilities: pci pciexpress msi pm normal_decode bus_master cap_list
configuration: driver=pcieport
resources: irq:125 memory:9e100000-9e1fffff
*-storage
description: Non-Volatile memory controller
product: NVMe SSD Controller SM981/PM981/PM983
vendor: Samsung Electronics Co Ltd
physical id: 0
bus info: pci@0000:71:00.0
version: 00
width: 64 bits
clock: 33MHz
capabilities: storage pm msi pciexpress msix nvm_express bus_master cap_list
configuration: driver=nvme latency=0
resources: irq:16 memory:9e100000-9e103fff
*-isa
description: ISA bridge
product: Intel Corporation
vendor: Intel Corporation
physical id: 1f
bus info: pci@0000:00:1f.0
version: 00
width: 32 bits
clock: 33MHz
capabilities: isa bus_master
configuration: latency=0
*-multimedia
description: Audio device
product: Intel Corporation
vendor: Intel Corporation
physical id: 1f.3
bus info: pci@0000:00:1f.3
version: 00
width: 64 bits
clock: 33MHz
capabilities: pm msi bus_master cap_list
configuration: driver=snd_hda_intel latency=64
resources: iomemory:600-5ff iomemory:600-5ff irq:169 memory:604b118000-604b11bfff memory:604b000000-604b0fffff
*-serial:2
description: SMBus
product: Intel Corporation
vendor: Intel Corporation
physical id: 1f.4
bus info: pci@0000:00:1f.4
version: 00
width: 64 bits
clock: 33MHz
configuration: driver=i801_smbus latency=0
resources: iomemory:600-5ff irq:16 memory:604b11e000-604b11e0ff ioport:efa0(size=32)
*-serial:3
description: Serial bus controller
product: Intel Corporation
vendor: Intel Corporation
physical id: 1f.5
bus info: pci@0000:00:1f.5
version: 00
width: 32 bits
clock: 33MHz
configuration: driver=intel-spi latency=0
resources: irq:0 memory:fe010000-fe010fff
*-battery
product: DELL H754V98
vendor: LG
physical id: 1
version: 08/10/2019
serial: 0CE7
slot: Sys. Battery Bay
capacity: 51990mWh
configuration: voltage=7.6V
*-power UNCLAIMED
description: To Be Filled by O.E.M.
product: To Be Filled by O.E.M.
vendor: To Be Filled by O.E.M.
physical id: 2
version: To Be Filled by O.E.M.
serial: To Be Filled by O.E.M.
capacity: 32768mWh
➜ vdpauinfo
display: :0 screen: 0
API version: 1
Information string: OpenGL/VAAPI backend for VDPAU
Video surface:
name width height types
-------------------------------------------
420 4096 4096 NV12 YV12 UYVY YUYV Y8U8V8A8 V8U8Y8A8
422 4096 4096 NV12 YV12 UYVY YUYV Y8U8V8A8 V8U8Y8A8
444 4096 4096 NV12 YV12 UYVY YUYV Y8U8V8A8 V8U8Y8A8
Decoder capabilities:
name level macbs width height
----------------------------------------------------
MPEG1 --- not supported ---
MPEG2_SIMPLE --- not supported ---
MPEG2_MAIN --- not supported ---
H264_BASELINE 51 16384 2048 2048
H264_MAIN 51 16384 2048 2048
H264_HIGH 51 16384 2048 2048
VC1_SIMPLE --- not supported ---
VC1_MAIN --- not supported ---
VC1_ADVANCED --- not supported ---
MPEG4_PART2_SP --- not supported ---
MPEG4_PART2_ASP --- not supported ---
DIVX4_QMOBILE --- not supported ---
DIVX4_MOBILE --- not supported ---
DIVX4_HOME_THEATER --- not supported ---
DIVX4_HD_1080P --- not supported ---
DIVX5_QMOBILE --- not supported ---
DIVX5_MOBILE --- not supported ---
DIVX5_HOME_THEATER --- not supported ---
DIVX5_HD_1080P --- not supported ---
H264_CONSTRAINED_BASELINE 51 16384 2048 2048
H264_EXTENDED --- not supported ---
H264_PROGRESSIVE_HIGH --- not supported ---
H264_CONSTRAINED_HIGH --- not supported ---
H264_HIGH_444_PREDICTIVE --- not supported ---
HEVC_MAIN --- not supported ---
HEVC_MAIN_10 --- not supported ---
HEVC_MAIN_STILL --- not supported ---
HEVC_MAIN_12 --- not supported ---
HEVC_MAIN_444 --- not supported ---
Output surface:
name width height nat types
----------------------------------------------------
B8G8R8A8 16384 16384 y
R8G8B8A8 16384 16384 y
R10G10B10A2 16384 16384 y
B10G10R10A2 16384 16384 y
A8 16384 16384 y
Bitmap surface:
name width height
------------------------------
B8G8R8A8 16384 16384
R8G8B8A8 16384 16384
R10G10B10A2 16384 16384
B10G10R10A2 16384 16384
A8 16384 16384
Video mixer:
feature name sup
------------------------------------
DEINTERLACE_TEMPORAL -
DEINTERLACE_TEMPORAL_SPATIAL -
INVERSE_TELECINE -
NOISE_REDUCTION -
SHARPNESS -
LUMA_KEY -
HIGH QUALITY SCALING - L1 -
HIGH QUALITY SCALING - L2 -
HIGH QUALITY SCALING - L3 -
HIGH QUALITY SCALING - L4 -
HIGH QUALITY SCALING - L5 -
HIGH QUALITY SCALING - L6 -
HIGH QUALITY SCALING - L7 -
HIGH QUALITY SCALING - L8 -
HIGH QUALITY SCALING - L9 -
parameter name sup min max
-----------------------------------------------------
VIDEO_SURFACE_WIDTH -
VIDEO_SURFACE_HEIGHT -
CHROMA_TYPE -
LAYERS -
attribute name sup min max
-----------------------------------------------------
BACKGROUND_COLOR -
CSC_MATRIX -
NOISE_REDUCTION_LEVEL -
SHARPNESS_LEVEL -
LUMA_KEY_MIN_LUMA -
LUMA_KEY_MAX_LUMA -
➜ vainfo
vainfo: VA-API version: 1.5 (libva 2.5.0)
vainfo: Driver version: Intel iHD driver - 1.0.0
vainfo: Supported profile and entrypoints
VAProfileNone : VAEntrypointVideoProc
VAProfileNone : VAEntrypointStats
VAProfileMPEG2Simple : VAEntrypointVLD
VAProfileMPEG2Simple : VAEntrypointEncSlice
VAProfileMPEG2Main : VAEntrypointVLD
VAProfileMPEG2Main : VAEntrypointEncSlice
VAProfileH264Main : VAEntrypointVLD
VAProfileH264Main : VAEntrypointEncSlice
VAProfileH264Main : VAEntrypointFEI
VAProfileH264Main : VAEntrypointEncSliceLP
VAProfileH264High : VAEntrypointVLD
VAProfileH264High : VAEntrypointEncSlice
VAProfileH264High : VAEntrypointFEI
VAProfileH264High : VAEntrypointEncSliceLP
VAProfileVC1Simple : VAEntrypointVLD
VAProfileVC1Main : VAEntrypointVLD
VAProfileVC1Advanced : VAEntrypointVLD
VAProfileJPEGBaseline : VAEntrypointVLD
VAProfileJPEGBaseline : VAEntrypointEncPicture
VAProfileH264ConstrainedBaseline: VAEntrypointVLD
VAProfileH264ConstrainedBaseline: VAEntrypointEncSlice
VAProfileH264ConstrainedBaseline: VAEntrypointFEI
VAProfileH264ConstrainedBaseline: VAEntrypointEncSliceLP
VAProfileVP8Version0_3 : VAEntrypointVLD
VAProfileVP8Version0_3 : VAEntrypointEncSlice
VAProfileHEVCMain : VAEntrypointVLD
VAProfileHEVCMain : VAEntrypointEncSlice
VAProfileHEVCMain : VAEntrypointFEI
VAProfileHEVCMain10 : VAEntrypointVLD
VAProfileHEVCMain10 : VAEntrypointEncSlice
VAProfileVP9Profile0 : VAEntrypointVLD
VAProfileVP9Profile2 : VAEntrypointVLD
➜ cat /etc/modprobe.d/i915.conf
options i915 enable_fbc=1 fastboot=1 enable_psr=0
➜ cat /etc/mkinitcpio.conf
MODULES=(intel_agp i915)
➜ lspci | grep -i vga
00:02.0 VGA compatible controller: Intel Corporation Device 9b41 (rev 02)
Last edited by cpoul (2019-10-17 09:36:22)
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Why are you using libvdpau-va-gl? Where did you set your environment overrides? Also, (and just for my own personal edification) have you tried with xf86-intel-video and also enabling both GuC and HuC loading (i.e passing enable_guc=-1)? If so what's the behavior? Is the behavior different with a full DE (i.e Gnome or Plasma)?
$ dmesg | grep uC
[ 4.539235] [drm] HuC: Loaded firmware i915/skl_huc_ver01_07_1398.bin (version 1.7)
[ 4.549819] [drm] GuC: Loaded firmware i915/skl_guc_32.0.3.bin (version 32.0)
[ 4.560061] i915 0000:00:02.0: GuC firmware version 32.0
[ 4.560065] i915 0000:00:02.0: GuC submission disabled
[ 4.560067] i915 0000:00:02.0: HuC enabled
Have you looked at Phoronix's latest write-up for same family hardware?
Last edited by CarbonChauvinist (2019-10-17 11:49:56)
"the wind-blown way, wanna win? don't play"
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Excuse my ignorance on that topic, its out of my area of expertise. I was following the wiki, which states, to configure VDPAU with intel GPU, we need to set VDPAU_DRIVER to va_gl. Before installing libvdpau-va-gl, vainfo threw errors. I set the envs once in .profile and once in LXQT session manager. Also I used https://github.com/intel/media-driver because of Ice Lake support.
I tried multiple combinations of enable_guc in conjunction with the old driver but with no luck. I've followed both the wiki and this guide along with the recommendations in comments. To clarify something, I prefer not to use that option, because the wiki states that GVT-g doesn't work with this option and I'm very interested in deploying a VM on that machine, my work depends on a few osx/ms products and I would like a decent performance.
Thanks for the link, I've missed it somehow. I believe the Intel "Iris" Gallium3D driver is the env MESA_LOADER_DRIVER_OVERRIDE=iris which I have? May I test mesa 19.3 instead?
In another story, if on wayland then the tearing is gone. I tried sway, to avoid the whole DE bloat, and the performance was top notch. But I'm trying to avoid wayland for now, a lot of my workflow stands in X tools. In the case of a no solution, I'll migrate there
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All of the situations you describe are where I'd expect tearing to kick in because the software in question might disable the compositor, e.g. specifically for MPV see: https://wiki.archlinux.org/index.php/Mp … compositor
Fullscreen will probably trigger similar functionality in compton: https://wiki.archlinux.org/index.php/Compton#Flicker
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In addition to V1del's notes re: fullscreen - I would double-check that you actually need to use the VDPAU try removing that from the equation and testing (what were the errors that vainfo was throwing without libvdpau-va-gl?).
Intel media driver makes sense, you should only have to set the following variables (maybe trying setting these in /etc/profile.d/):
export LIBVA_DRIVERS_PATH=<path-contains-iHD_drv_video.so>
export LIBVA_DRIVER_NAME=iHD
Others with more knowledge will chime in I'm sure.
"the wind-blown way, wanna win? don't play"
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Hmm by adding in compton.conf
unredir-if-possible = false;
tearing gone! Should I let it in this state, swallow it and wait for similar issues to come up, or should I trace the root problem?
About the VDPAU, it threw a kind of "no such file or directory" error. It looked the drivers dir and there I had only 3 files (those wrapped in asterisks). After the installation of the lib it populated the rest
➜ ls /usr/lib/vdpau
*libvdpau_trace.so* *libvdpau_trace.so.1* *libvdpau_trace.so.1.0.0* libvdpau_va_gl.so libvdpau_va_gl.so.1
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As I said, I did many incremental experiments and I had out of the equation te vdpau at least 2-3 times.
In any case, thank you both!
[UPDATE]
Just to be sure and for the records, I disabled again vdpau & compton along with your above recommendations and the tearing reappeared
Last edited by cpoul (2019-10-17 13:26:02)
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To be certain to prevent tearing you have to keep the compositor enabled as far as I know. (FWIW on wayland nothing else happens, you simply cannot disable the compositor there with any method, but the protocol should be more efficient to alleviate any drawbacks)
The drawback of this is that this might give you some FPS loss if you are a heavy gamer or so. If this doesn't negatively affect your perceived experience this pretty much is "the fix".
FWIW regarding the VDPAU discussion, I don't think this factors in here, your vainfo output showed that for VAAPI the correct driver would be used regardless, so you should generally configure all applications that have good VAAPI implementations to use VAAPI directly.
Last edited by V1del (2019-10-17 14:27:54)
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