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#1 2025-03-13 09:24:48
- HattaPauzi
- Member
- Registered: 2025-03-13
- Posts: 7
Intel Arc A770 HDMI Limited to 60Hz on KDE, 100Hz Works on Motherboard
I use kde as the desktop environment... when i connect my hdmi to the motherboard, i was able to get 100hz refresh rate on settings, but when the hdmi cable connected directly to my intel arc a770 gpu, the only option for refresh rate is 60hz and 50hz... I have done a lot of researching still a lot of solution is to use x11 instead of wayland... when doing a gpu benchmarking using Unigine Superposition it detects my dgpu but still has a limited fps when the hdmi directly to the dgpu which is 60fps
Last edited by HattaPauzi (2025-03-13 16:58:30)
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#2 2025-03-13 09:40:40
- HattaPauzi
- Member
- Registered: 2025-03-13
- Posts: 7
Re: Intel Arc A770 HDMI Limited to 60Hz on KDE, 100Hz Works on Motherboard
this forum subject might be misleading, kde settings still detects my monitor on both hdmi port, but the refresh rate on it cannot be change to 100hz when connected to the dgpu
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#3 2025-03-13 10:55:05
- Lone_Wolf
- Administrator
- From: Netherlands, Europe
- Registered: 2005-10-04
- Posts: 13,419
Re: Intel Arc A770 HDMI Limited to 60Hz on KDE, 100Hz Works on Motherboard
Edit the first post to change the title . (There is a character limit so you probably will have to shorten the title) .
Please post the output of lspci -k using code tags .
Also run as root / with root-rights
# journalctl -b | curl -F 'file=@-' 0x0.stThat command will upload your system journal to a public hosting site and output a link.
post that link.
Disliking systemd intensely, but not satisfied with alternatives so focusing on taming systemd.
clean chroot building not flexible enough ?
Try clean chroot manager by graysky
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#4 2025-03-13 11:03:20
- HattaPauzi
- Member
- Registered: 2025-03-13
- Posts: 7
Re: Intel Arc A770 HDMI Limited to 60Hz on KDE, 100Hz Works on Motherboard
00:00.0 Host bridge: Intel Corporation Raptor Lake-S Host Bridge/DRAM Controller (rev 01)
Subsystem: ASRock Incorporation Device a703
00:01.0 PCI bridge: Intel Corporation Raptor Lake PCI Express 5.0 Graphics Port (PEG010) (rev 01)
Subsystem: ASRock Incorporation Device a70d
Kernel driver in use: pcieport
00:02.0 Display controller: Intel Corporation Raptor Lake-S GT1 [UHD Graphics 770] (rev 04)
Subsystem: ASRock Incorporation Device a780
Kernel driver in use: i915
Kernel modules: i915, xe
00:04.0 Signal processing controller: Intel Corporation Raptor Lake Dynamic Platform and Thermal Framework Processor Participant (rev 01)
Subsystem: ASRock Incorporation Device a71d
Kernel driver in use: proc_thermal_pci
Kernel modules: processor_thermal_device_pci
00:08.0 System peripheral: Intel Corporation GNA Scoring Accelerator module (rev 01)
Subsystem: ASRock Incorporation Device a74f
00:14.0 USB controller: Intel Corporation Alder Lake-S PCH USB 3.2 Gen 2x2 XHCI Controller (rev 11)
Subsystem: ASRock Incorporation Device 7ae0
Kernel driver in use: xhci_hcd
00:14.2 RAM memory: Intel Corporation Alder Lake-S PCH Shared SRAM (rev 11)
00:15.0 Serial bus controller: Intel Corporation Alder Lake-S PCH Serial IO I2C Controller #0 (rev 11)
Subsystem: ASRock Incorporation Device 7acc
Kernel driver in use: intel-lpss
Kernel modules: intel_lpss_pci
00:16.0 Communication controller: Intel Corporation Alder Lake-S PCH HECI Controller #1 (rev 11)
Subsystem: ASRock Incorporation Device 7ae8
Kernel driver in use: mei_me
Kernel modules: mei_me
00:17.0 SATA controller: Intel Corporation Alder Lake-S PCH SATA Controller [AHCI Mode] (rev 11)
Subsystem: ASRock Incorporation Device 7ae2
Kernel driver in use: ahci
00:1c.0 PCI bridge: Intel Corporation Alder Lake-S PCH PCI Express Root Port #1 (rev 11)
Subsystem: ASRock Incorporation Device 7ab8
Kernel driver in use: pcieport
00:1c.4 PCI bridge: Intel Corporation Alder Lake-S PCH PCI Express Root Port #5 (rev 11)
Subsystem: ASRock Incorporation Device 7abc
Kernel driver in use: pcieport
00:1f.0 ISA bridge: Intel Corporation Device 7a87 (rev 11)
Subsystem: ASRock Incorporation Device 7a87
00:1f.3 Audio device: Intel Corporation Alder Lake-S HD Audio Controller (rev 11)
Subsystem: ASRock Incorporation Device 3897
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel, snd_soc_avs, snd_sof_pci_intel_tgl
00:1f.4 SMBus: Intel Corporation Alder Lake-S PCH SMBus Controller (rev 11)
Subsystem: ASRock Incorporation Device 7aa3
Kernel driver in use: i801_smbus
Kernel modules: i2c_i801
00:1f.5 Serial bus controller: Intel Corporation Alder Lake-S PCH SPI Controller (rev 11)
Subsystem: ASRock Incorporation Device 7aa4
Kernel driver in use: intel-spi
Kernel modules: spi_intel_pci
01:00.0 PCI bridge: Intel Corporation Device 4fa0 (rev 01)
Kernel driver in use: pcieport
02:01.0 PCI bridge: Intel Corporation Device 4fa4
Subsystem: Intel Corporation Device 4fa4
Kernel driver in use: pcieport
02:04.0 PCI bridge: Intel Corporation Device 4fa4
Subsystem: Intel Corporation Device 0000
Kernel driver in use: pcieport
03:00.0 VGA compatible controller: Intel Corporation DG2 [Arc A770] (rev 08)
Subsystem: Device 172f:4134
Kernel driver in use: i915
Kernel modules: i915, xe
04:00.0 Audio device: Intel Corporation DG2 Audio Controller
Subsystem: Device 172f:4134
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel
05:00.0 Non-Volatile memory controller: Realtek Semiconductor Co., Ltd. RTS5765DL NVMe SSD Controller (DRAM-less) (rev 01)
Subsystem: Realtek Semiconductor Co., Ltd. RTS5765DL NVMe SSD Controller (DRAM-less)
Kernel driver in use: nvme
Kernel modules: nvme
06:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8211/8411 PCI Express Gigabit Ethernet Controller (rev 15)
Subsystem: ASRock Incorporation Motherboard (one of many)
Kernel driver in use: r8169
Kernel modules: r8169Last edited by HattaPauzi (2025-03-13 11:10:51)
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#5 Yesterday 05:05:23
- HattaPauzi
- Member
- Registered: 2025-03-13
- Posts: 7
Re: Intel Arc A770 HDMI Limited to 60Hz on KDE, 100Hz Works on Motherboard
this this the output for:
kscreen-doctor -o
while connected to the GPU
Output: 1 HDMI-A-6
enabled
connected
priority 1
HDMI
Modes: 1:1920x1080@60*! 10:1280x800@60 11:1152x864@75 12:1280x720@60 13:1280x720@60 14:1280x720@60 15:1280x720@50 16:1024x768@75 17:1024x768@70 18:1024x768@60 19:832x624@75 2:1920x1080@60 20:800x600@75 21:800x600@72 22:800x600@60 23:800x600@56 24:720x576@50 25:720x480@60 26:720x480@60 27:640x480@75 28:640x480@73 29:640x480@67 3:1920x1080@60 30:640x480@60 31:640x480@60 32:640x480@60 33:720x400@70 4:1920x1080@50 5:1680x1050@60 6:1280x1024@75 7:1280x1024@60 8:1440x900@60 9:1280x960@60
Geometry: 0,0 1920x1080
Scale: 1
Rotation: 1
Overscan: 0
Vrr: incapable
RgbRange: Automatic
HDR: incapable
Wide Color Gamut: incapable
ICC profile: none
Color profile source: EDID
Color power preference: prefer accuracy
Brightness control: supported, set to 20% and dimming to 100%
Output: 2 DP-1
enabled
connected
priority 2
DisplayPort
Modes: 34:1600x900@60*! 35:1280x1024@60 36:1440x900@60 37:1280x720@60 38:1024x768@60 39:800x600@60 40:640x480@60 41:720x400@70
Geometry: 1920,90 1600x900
Scale: 1
Rotation: 1
Overscan: 0
Vrr: incapable
RgbRange: Automatic
HDR: incapable
Wide Color Gamut: incapable
ICC profile: none
Color profile source: EDID
Color power preference: prefer efficiency and performance
Brightness control: unsupportedOffline
#6 Yesterday 05:08:53
- HattaPauzi
- Member
- Registered: 2025-03-13
- Posts: 7
Re: Intel Arc A770 HDMI Limited to 60Hz on KDE, 100Hz Works on Motherboard
this this the output when connected to the motherboard:
Output: 1 DP-1
enabled
connected
priority 2
DisplayPort
Modes: 1:1600x900@60*! 2:1280x1024@60 3:1440x900@60 4:1280x720@60 5:1024x768@60 6:800x600@60 7:640x480@60 8:720x400@70
Geometry: 1920,90 1600x900
Scale: 1
Rotation: 1
Overscan: 0
Vrr: incapable
RgbRange: Automatic
HDR: incapable
Wide Color Gamut: incapable
ICC profile: none
Color profile source: EDID
Color power preference: prefer efficiency and performance
Brightness control: supported, set to 44% and dimming to 100%
Output: 2 HDMI-A-1
enabled
connected
priority 1
HDMI
Modes: 10:1920x1080@100* 11:1920x1080@75 12:1920x1080@60 13:1920x1080@60 14:1920x1080@50 15:1680x1050@60 16:1280x1024@75 17:1280x1024@60 18:1440x900@60 19:1280x960@60 20:1280x800@60 21:1152x864@75 22:1280x720@60 23:1280x720@60 24:1280x720@60 25:1280x720@50 26:1024x768@75 27:1024x768@70 28:1024x768@60 29:832x624@75 30:800x600@75 31:800x600@72 32:800x600@60 33:800x600@56 34:720x576@50 35:720x480@60 36:720x480@60 37:640x480@75 38:640x480@73 39:640x480@67 40:640x480@60 41:640x480@60 42:640x480@60 43:720x400@70 9:1920x1080@60!
Geometry: 0,0 1920x1080
Scale: 1
Rotation: 1
Overscan: 0
Vrr: incapable
RgbRange: Automatic
HDR: incapable
Wide Color Gamut: incapable
ICC profile: none
Color profile source: EDID
Color power preference: prefer accuracy
Brightness control: supported, set to 20% and dimming to 100%Offline
#7 Yesterday 10:02:28
- seth
- Member
- Registered: 2012-09-03
- Posts: 61,703
Re: Intel Arc A770 HDMI Limited to 60Hz on KDE, 100Hz Works on Motherboard
Does the behavior change w/ https://wiki.archlinux.org/title/Intel_ … _Xe_driver ?
Also, since this is a hybrid system, do you run the session on the UHD770 or the Arc chip? Or do you also switch this around when flipping the connection?
("qdbus6 org.kde.KWin /KWin supportInformation" will know…)
Also test the behavior on X11 and post the edids
for OUT in /sys/class/drm/card*; do echo $OUT; edid-decode $OUT/edid; echo "================="; doneYou'll need https://github.com/timvideos/edid-decode/ (not yet in v4l-utils and the AUR package is unfortunately gone) respectively just post your Xorg log for either setup, https://wiki.archlinux.org/title/Xorg#General (the edid will be logged there)
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#8 Yesterday 11:08:29
- HattaPauzi
- Member
- Registered: 2025-03-13
- Posts: 7
Re: Intel Arc A770 HDMI Limited to 60Hz on KDE, 100Hz Works on Motherboard
No, the behavior did not change on Xe_driver.
I think it ran on UHD770 session because the Arc chip came in a little bit later after my system is built.
KWin supportInformation:
https://0x0.st/8QuC.txt
KWin Support Information:
The following information should be used when requesting support on e.g. https://discuss.kde.org.
It provides information about the currently running instance, which options are used,
what OpenGL driver and which effects are running.
Please post the information provided underneath this introductory text to a paste bin service
like https://paste.kde.org instead of pasting into support threads.
==========================
Version
=======
KWin version: 6.3.3
Qt Version: 6.8.2
Qt compile version: 6.8.2
XCB compile version: 1.17.0
Operation Mode: X11
Build Options
=============
KWIN_BUILD_DECORATIONS: yes
KWIN_BUILD_TABBOX: yes
KWIN_BUILD_ACTIVITIES: yes
HAVE_X11_XCB: yes
HAVE_GLX: yes
X11
===
Vendor: The X.Org Foundation
Vendor Release: 12101016
Protocol Version/Revision: 11/0
SHAPE: yes; Version: 0x11
RANDR: yes; Version: 0x14
DAMAGE: yes; Version: 0x11
Composite: yes; Version: 0x4
RENDER: yes; Version: 0xb
XFIXES: yes; Version: 0x50
SYNC: yes; Version: 0x31
GLX: yes; Version: 0x0
Decoration
==========
Plugin: org.kde.kwin.aurorae
Theme: kwin4_decoration_qml_plastik
Plugin recommends border size: No
onAllDesktopsAvailable: true
alphaChannelSupported: true
closeOnDoubleClickOnMenu: false
decorationButtonsLeft: 0, 2
decorationButtonsRight: 6, 3, 4, 5
borderSize: 2
gridUnit: 10
font: Noto Sans,10,-1,0,400,0,0,0,0,0,0,0,0,0,0,1
smallSpacing: 2
largeSpacing: 10
Output backend
==============
Name: KWin::X11StandaloneBackend
Cursor
======
themeName: Win10OS-cursors
themeSize: 24
Options
=======
focusPolicy: FocusFollowsMouse
xwaylandCrashPolicy: 1
xwaylandMaxCrashCount: 3
nextFocusPrefersMouse: true
clickRaise: true
autoRaise: false
autoRaiseInterval: 750
delayFocusInterval: 0
shadeHover: false
shadeHoverInterval: 250
separateScreenFocus: true
placement: 5
activationDesktopPolicy: SwitchToOtherDesktop
focusPolicyIsReasonable: true
borderSnapZone: 10
windowSnapZone: 10
centerSnapZone: 0
snapOnlyWhenOverlapping: false
edgeBarrier: 100
cornerBarrier: 1
rollOverDesktops: false
focusStealingPreventionLevel: 2
operationTitlebarDblClick: 5000
operationMaxButtonLeftClick: 5000
operationMaxButtonMiddleClick: 5015
operationMaxButtonRightClick: 5014
commandActiveTitlebar1: MouseRaise
commandActiveTitlebar2: MouseNothing
commandActiveTitlebar3: MouseOperationsMenu
commandInactiveTitlebar1: MouseActivateAndRaise
commandInactiveTitlebar2: MouseNothing
commandInactiveTitlebar3: MouseOperationsMenu
commandWindow1: MouseActivateRaiseOnReleaseAndPassClick
commandWindow2: MouseActivateAndPassClick
commandWindow3: MouseActivateAndPassClick
commandWindowWheel: MouseNothing
commandAll1: MouseUnrestrictedMove
commandAll2: MouseToggleRaiseAndLower
commandAll3: MouseUnrestrictedResize
keyCmdAllModKey: 16777250
doubleClickBorderToMaximize: true
condensedTitle: false
electricBorderMaximize: true
electricBorderTiling: true
electricBorderCornerRatio: 0.25
borderlessMaximizedWindows: false
killPingTimeout: 5000
compositingMode: 1
useCompositing: true
hiddenPreviews: 1
glSmoothScale: 2
glStrictBinding: true
glStrictBindingFollowsDriver: true
glPreferBufferSwap: AutoSwapStrategy
glPlatformInterface: 1
windowsBlockCompositing: true
allowTearing: false
interactiveWindowMoveEnabled: true
Screen Edges
============
desktopSwitching: false
desktopSwitchingMovingClients: false
cursorPushBackDistance: 1x1
actionTopLeft: 0
actionTop: 0
actionTopRight: 0
actionRight: 0
actionBottomRight: 0
actionBottom: 0
actionBottomLeft: 0
actionLeft: 0
Screens
=======
Number of Screens: 2
Screen 0:
---------
Name: HDMI-6
Enabled: 1
Geometry: 0,0,1920x1080
Physical size: 479x260mm
Scale: 1
Refresh Rate: 60000
Adaptive Sync: incapable
Screen 1:
---------
Name: DP-1-1
Enabled: 1
Geometry: 1920,0,1600x900
Physical size: 443x249mm
Scale: 1
Refresh Rate: 60000
Adaptive Sync: incapable
Compositing
===========
Compositing is active
Compositing Type: OpenGL
OpenGL vendor string: Intel
OpenGL renderer string: Mesa Intel(R) Arc(tm) A770 Graphics (DG2)
OpenGL version string: 4.6 (Compatibility Profile) Mesa 25.0.1-arch1.2
OpenGL platform interface: GLX
OpenGL shading language version string: 4.60
Driver: Intel
GPU class: Unknown
OpenGL version: 4.6
GLSL version: 4.60
Mesa version: 25.0.1
X server version: 1.21.1
Linux kernel version: 6.13.6
Direct rendering: Requires strict binding: yes
Virtual Machine: no
OpenGL 2 Shaders are used
Loaded Effects:
---------------
screenshot
outputlocator
colorpicker
zoom
screenedge
blur
contrast
sessionquit
logout
login
slidingpopups
windowaperture
fadedesktop
squash
maximize
fullscreen
frozenapp
fadingpopups
fade
dialogparent
windowview
tileseditor
overview
highlightwindow
blendchanges
startupfeedback
systembell
kscreen
Currently Active Effects:
-------------------------
blur
contrast
Effect Settings:
----------------
screenshot:
outputlocator:
colorpicker:
zoom:
zoomFactor: 1.2
mousePointer: 0
mouseTracking: 0
focusTrackingEnabled: false
textCaretTrackingEnabled: false
focusDelay: 350
moveFactor: 20
targetZoom: 1
screenedge:
blur:
contrast:
sessionquit:
pluginId: sessionquit
isActiveFullScreenEffect: false
logout:
pluginId: logout
isActiveFullScreenEffect: false
login:
pluginId: login
isActiveFullScreenEffect: false
slidingpopups:
slideInDuration: 70
slideOutDuration: 70
windowaperture:
pluginId: windowaperture
isActiveFullScreenEffect: false
fadedesktop:
pluginId: fadedesktop
isActiveFullScreenEffect: false
squash:
pluginId: squash
isActiveFullScreenEffect: false
maximize:
pluginId: maximize
isActiveFullScreenEffect: false
fullscreen:
pluginId: fullscreen
isActiveFullScreenEffect: false
frozenapp:
pluginId: frozenapp
isActiveFullScreenEffect: false
fadingpopups:
pluginId: fadingpopups
isActiveFullScreenEffect: false
fade:
pluginId: fade
isActiveFullScreenEffect: false
dialogparent:
pluginId: dialogparent
isActiveFullScreenEffect: false
windowview:
activeView:
delegate:
animationDuration: 106
ignoreMinimized: false
mode:
partialActivationFactor: 0
gestureInProgress: false
searchText:
selectedIds:
tileseditor:
activeView:
delegate:
animationDuration: 200
overview:
activeView:
delegate:
animationDuration: 106
ignoreMinimized: false
filterWindows: true
organizedGrid: true
overviewPartialActivationFactor: 0
overviewGestureInProgress: false
transitionPartialActivationFactor: 0
transitionGestureInProgress: false
gridPartialActivationFactor: 0
gridGestureInProgress: false
desktopOffset:
searchText:
highlightwindow:
blendchanges:
startupfeedback:
type: 1
systembell:
kscreen:
Loaded Plugins:
---------------
krunnerintegration
nightlight
Available Plugins:
------------------
BounceKeysPlugin
KeyNotificationPlugin
StickyKeysPlugin
buttonsrebind
eis
krunnerintegration
nightlight
screencast/sys/class/drm/card1
/sys/class/drm/card1/edid: No such file or directory
=================
/sys/class/drm/card1-DP-1
EDID version: 1.4
Manufacturer: HWP Model 3000 Serial Number 16843009
Made in week 37 of 2012
Digital display
8 bits per primary color channel
DisplayPort interface
Maximum image size: 44 cm x 25 cm
Gamma: 2.20
DPMS levels: Off
Supported color formats: RGB 4:4:4
Default (sRGB) color space is primary color space
First detailed timing includes the native pixel format and preferred refresh rate
Display x,y Chromaticity:
Red: 0.6357, 0.3300
Green: 0.3037, 0.6289
Blue: 0.1542, 0.0703
White: 0.3134, 0.3291
Established timings supported:
720x400@70Hz 9:5 HorFreq: 31469 Hz Clock: 28.320 MHz
640x480@60Hz 4:3 HorFreq: 31469 Hz Clock: 25.175 MHz
800x600@60Hz 4:3 HorFreq: 37900 Hz Clock: 40.000 MHz
1024x768@60Hz 4:3 HorFreq: 48400 Hz Clock: 65.000 MHz
Standard timings supported:
1600x900@60Hz 16:9
1280x1024@60Hz 5:4 HorFreq: 64000 Hz Clock: 108.000 MHz
1440x900@60Hz 16:10 HorFreq: 55500 Hz Clock: 88.750 MHz
1280x720@60Hz 16:9
Detailed mode: Clock 108.000 MHz, 443 mm x 249 mm
1600 1624 1704 1800 hborder 0
900 901 904 1000 vborder 0
+hsync +vsync
VertFreq: 60 Hz, HorFreq: 60000 Hz
Monitor ranges (GTF): 50-76Hz V, 24-83kHz H, max dotclock 170MHz
Monitor name: HP W2072a
Serial number: CNC237PWWJ
Checksum: 0x3b (valid)
=================
/sys/class/drm/card1-DP-2
No header found
=================
/sys/class/drm/card1-HDMI-A-1
No header found
=================
/sys/class/drm/card1-HDMI-A-2
No header found
=================
/sys/class/drm/card2
/sys/class/drm/card2/edid: No such file or directory
=================
/sys/class/drm/card2-DP-3
No header found
=================
/sys/class/drm/card2-DP-4
No header found
=================
/sys/class/drm/card2-DP-5
No header found
=================
/sys/class/drm/card2-HDMI-A-3
No header found
=================
/sys/class/drm/card2-HDMI-A-4
No header found
=================
/sys/class/drm/card2-HDMI-A-5
No header found
=================
/sys/class/drm/card2-HDMI-A-6
EDID version: 1.3
Manufacturer: AOP Model b95 Serial Number 859858598
Made in week 34 of 2023
Digital display
Maximum image size: 48 cm x 26 cm
Gamma: 2.20
DPMS levels: Standby Suspend Off
RGB color display
First detailed timing is preferred timing
Display x,y Chromaticity:
Red: 0.6464, 0.3466
Green: 0.3222, 0.6298
Blue: 0.1552, 0.0605
White: 0.3134, 0.3291
Established timings supported:
720x400@70Hz 9:5 HorFreq: 31469 Hz Clock: 28.320 MHz
640x480@60Hz 4:3 HorFreq: 31469 Hz Clock: 25.175 MHz
640x480@67Hz 4:3 HorFreq: 35000 Hz Clock: 30.240 MHz
640x480@72Hz 4:3 HorFreq: 37900 Hz Clock: 31.500 MHz
640x480@75Hz 4:3 HorFreq: 37500 Hz Clock: 31.500 MHz
800x600@56Hz 4:3 HorFreq: 35200 Hz Clock: 36.000 MHz
800x600@60Hz 4:3 HorFreq: 37900 Hz Clock: 40.000 MHz
800x600@72Hz 4:3 HorFreq: 48100 Hz Clock: 50.000 MHz
800x600@75Hz 4:3 HorFreq: 46900 Hz Clock: 49.500 MHz
832x624@75Hz 4:3 HorFreq: 49726 Hz Clock: 57.284 MHz
1024x768@60Hz 4:3 HorFreq: 48400 Hz Clock: 65.000 MHz
1024x768@70Hz 4:3 HorFreq: 56500 Hz Clock: 75.000 MHz
1024x768@75Hz 4:3 HorFreq: 60000 Hz Clock: 78.750 MHz
1280x1024@75Hz 5:4 HorFreq: 80000 Hz Clock: 135.000 MHz
1152x870@75Hz 192:145 HorFreq: 67500 Hz Clock: 108.000 MHz
Standard timings supported:
1152x864@75Hz 4:3 HorFreq: 67500 Hz Clock: 108.000 MHz
1280x960@60Hz 4:3 HorFreq: 60000 Hz Clock: 108.000 MHz
1280x1024@60Hz 5:4 HorFreq: 64000 Hz Clock: 108.000 MHz
1280x720@60Hz 16:9
1680x1050@60Hz 16:10 HorFreq: 64700 Hz Clock: 119.000 MHz
1280x800@60Hz 16:10
1440x900@60Hz 16:10 HorFreq: 55500 Hz Clock: 88.750 MHz
1920x1080@75Hz 16:9
Detailed mode: Clock 148.500 MHz, 479 mm x 260 mm
1920 2008 2052 2200 hborder 0
1080 1084 1089 1125 vborder 0
+hsync +vsync
VertFreq: 60 Hz, HorFreq: 67500 Hz
Serial number: 2334066A63W01
Monitor name: 22CV1Q H3
Monitor ranges (GTF): 48-100Hz V, 24-120kHz H, max dotclock 250MHz
Has 1 extension blocks
Checksum: 0xaa (valid)
----------------
CTA Extension Block
Extension version: 3
Underscans PC formats by default
Basic audio support
Supports YCbCr 4:4:4
Supports YCbCr 4:2:2
1 native detailed modes
33 bytes of CTA data
Video Data Block
VIC 16 1920x1080@60Hz 16:9 (native) HorFreq: 67500 Hz Clock: 148.500 MHz
VIC 1 640x480@60Hz 4:3 HorFreq: 31469 Hz Clock: 25.175 MHz
VIC 3 720x480@60Hz 16:9 HorFreq: 31469 Hz Clock: 27.000 MHz
VIC 4 1280x720@60Hz 16:9 HorFreq: 45000 Hz Clock: 74.250 MHz
VIC 18 720x576@50Hz 16:9 HorFreq: 31250 Hz Clock: 27.000 MHz
VIC 19 1280x720@50Hz 16:9 HorFreq: 37500 Hz Clock: 74.250 MHz
VIC 31 1920x1080@50Hz 16:9 (native) HorFreq: 56250 Hz Clock: 148.500 MHz
Vendor-Specific Data Block, OUI 000c03 (HDMI)
Source physical address 1.0.0.0
DC_36bit
DC_30bit
DC_Y444
Maximum TMDS clock: 250MHz
Extended tag: Colorimetry Data Block
xvYCC601
xvYCC709
Vendor-Specific Data Block, OUI 00001a
Audio Data Block
Linear PCM, max channels 2
Supported sample rates (kHz): 48 44.1 32
Supported sample sizes (bits): 24 20 16
Detailed mode: Clock 174.500 MHz, 479 mm x 260 mm
1920 1968 2000 2080 hborder 0
1080 1083 1088 1119 vborder 0
+hsync -vsync
VertFreq: 74 Hz, HorFreq: 83894 Hz
Detailed mode: Clock 228.800 MHz, 479 mm x 2660 mm
1920 1968 2000 2080 hborder 0
1080 1083 1088 1100 vborder 0
+hsync +vsync
VertFreq: 100 Hz, HorFreq: 110000 Hz
Checksum: 0x29 (valid)
=================Last edited by HattaPauzi (Yesterday 11:15:16)
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#9 Yesterday 15:55:08
- seth
- Member
- Registered: 2012-09-03
- Posts: 61,703
Re: Intel Arc A770 HDMI Limited to 60Hz on KDE, 100Hz Works on Motherboard
I think it ran on UHD770 session
Nope.
Compositing
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OpenGL renderer string: Mesa Intel(R) Arc(tm) A770 Graphics (DG2)Which card did you switch to the xe driver? The HD770, the Arc or both?
In doubt post the journal for that - the EDID you posted certainly advertises the 100Hz mode (and I assume that's drawn when the monitor was attached to the Arc GPU?)
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#10 Yesterday 19:27:26
- HattaPauzi
- Member
- Registered: 2025-03-13
- Posts: 7
Re: Intel Arc A770 HDMI Limited to 60Hz on KDE, 100Hz Works on Motherboard
───────┬─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────
│ File: /etc/modprobe.d/i915.conf
───────┼─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────
1 │ options i915 enable_dpcd_backlight=1
2 │ i915.force_probe=!56a0 xe.force_probe=56a0
3 │ i915.force_probe=!a780 xe.force_probe=a780so supposedly it ran on both GPU?
The previous edid I ran it is on X11 session and the HDMI cable connected to the Arc.
but still the KDE settings on monitor still limited to only 50hz and 60hz
this is the edid that I ran on wayland session while connected to the motherboard:
https://0x0.st/8Qes.txt
Last edited by HattaPauzi (Yesterday 19:32:33)
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#11 Yesterday 21:36:01
- seth
- Member
- Registered: 2012-09-03
- Posts: 61,703
Re: Intel Arc A770 HDMI Limited to 60Hz on KDE, 100Hz Works on Motherboard
The EDID will not differ w/ the display server.
The used syntax is wrong for a modprobe config but would be correct for the kernel commandline.
That file did not result in using the xe module - also check the journal for what actually gets used,
(if you've the i915 module in the initramfs and want to you a modprobe.conf.d file w correct syntax, make sure to regenerate the initramfs to include the config update)
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