Re: Intel UHD resolutions

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On 9/11/21 4:37 AM, o1bigtenor wrote:


On Fri, Sep 10, 2021 at 9:50 PM Randy Dunlap <rdunlap@xxxxxxxxxxxxx <mailto:rdunlap@xxxxxxxxxxxxx>> wrote:

    Hi,

    I would like to use QHD resolution (2560x1440) with my shiny new
    computer and display. That resolution works if I boot Windows 10
    (cough).

    What do I need to do to use that resolution in Linux?


Dunno if I can 'help' get everything going - - - - but I do have some
ideas (having had to fight a lot to get my graphics sub-system working).

Start up a terminal as your user and run $ xrandr --verbose and then if
you would paste the lines up to the end of the EDID blob here. (Need
more info that what you provided. )

Here is that output:

Screen 0: minimum 320 x 200, current 1920 x 1080, maximum 16384 x 16384
DP-1 disconnected (normal left inverted right x axis y axis)
	Identifier: 0x42
	Timestamp:  42703
	Subpixel:   unknown
	Clones:
	CRTCs:      0 1 2
	Transform:  1.000000 0.000000 0.000000
	            0.000000 1.000000 0.000000
	            0.000000 0.000000 1.000000
	           filter:
	HDCP Content Type: HDCP Type0
		supported: HDCP Type0, HDCP Type1
	Content Protection: Undesired
		supported: Undesired, Desired, Enabled
	Colorspace: Default
		supported: Default, RGB_Wide_Gamut_Fixed_Point, RGB_Wide_Gamut_Floating_Point, opRGB, DCI-P3_RGB_D65, BT2020_RGB, BT601_YCC, BT709_YCC, XVYCC_601, XVYCC_709, SYCC_601, opYCC_601, BT2020_CYCC, BT2020_YCC
	max bpc: 12
		range: (6, 12)
	Broadcast RGB: Automatic
		supported: Automatic, Full, Limited 16:235
	audio: auto
		supported: force-dvi, off, auto, on
	link-status: Good
		supported: Good, Bad
	CONNECTOR_ID: 167
		supported: 167
	non-desktop: 0
		range: (0, 1)
HDMI-1 connected 1920x1080+0+0 (0x47) normal (normal left inverted right x axis y axis) 527mm x 296mm
	Identifier: 0x43
	Timestamp:  42703
	Subpixel:   unknown
	Gamma:      1.0:1.0:1.0
	Brightness: 1.0
	Clones:
	CRTC:       0
	CRTCs:      0 1 2
	Transform:  1.000000 0.000000 0.000000
	            0.000000 1.000000 0.000000
	            0.000000 0.000000 1.000000
	           filter:
	EDID:
		00ffffffffffff0009d11b8045540000
		321e010380351e78260cd5a9554ca125
		0d5054a56b80818081c08100a9c0b300
		d1c001010101565e00a0a0a029503020
		35000f282100001a000000ff0039434c
		30353035323031390a20000000fd0032
		4c1e591b000a202020202020000000fc
		0042656e51204c43440a20202020014b
		020322f14f901f051404130312071615
		01061102230907078301000065030c00
		1000023a801871382d40582c45005650
		2100001f011d8018711c1620582c2500
		56502100009f011d007251d01e206e28
		550056502100001e8c0ad08a20e02d10
		103e9600565021000018000000000000
		00000000000000000000000000000047
	HDCP Content Type: HDCP Type0
		supported: HDCP Type0, HDCP Type1
	Content Protection: Undesired
		supported: Undesired, Desired, Enabled
	max bpc: 12
		range: (8, 12)
	content type: No Data
		supported: No Data, Graphics, Photo, Cinema, Game
	Colorspace: Default
		supported: Default, SMPTE_170M_YCC, BT709_YCC, XVYCC_601, XVYCC_709, SYCC_601, opYCC_601, opRGB, BT2020_CYCC, BT2020_RGB, BT2020_YCC, DCI-P3_RGB_D65, DCI-P3_RGB_Theater
	aspect ratio: Automatic
		supported: Automatic, 4:3, 16:9
	Broadcast RGB: Automatic
		supported: Automatic, Full, Limited 16:235
	audio: auto
		supported: force-dvi, off, auto, on
	link-status: Good
		supported: Good, Bad
	CONNECTOR_ID: 178
		supported: 178
	non-desktop: 0
		range: (0, 1)
  1920x1080 (0x47) 148.500MHz +HSync +VSync *current
        h: width  1920 start 2008 end 2052 total 2200 skew    0 clock  67.50KHz
        v: height 1080 start 1084 end 1089 total 1125           clock  60.00Hz
  1920x1080 (0x48) 148.500MHz +HSync +VSync
        h: width  1920 start 2448 end 2492 total 2640 skew    0 clock  56.25KHz
        v: height 1080 start 1084 end 1089 total 1125           clock  50.00Hz
  1920x1080 (0x49) 148.352MHz +HSync +VSync
        h: width  1920 start 2008 end 2052 total 2200 skew    0 clock  67.43KHz
        v: height 1080 start 1084 end 1089 total 1125           clock  59.94Hz
  1920x1080i (0x4a) 74.250MHz +HSync +VSync Interlace
        h: width  1920 start 2008 end 2052 total 2200 skew    0 clock  33.75KHz
        v: height 1080 start 1084 end 1094 total 1125           clock  60.00Hz
  1920x1080i (0x4b) 74.250MHz +HSync +VSync Interlace
        h: width  1920 start 2448 end 2492 total 2640 skew    0 clock  28.12KHz
        v: height 1080 start 1084 end 1094 total 1125           clock  50.00Hz
  1920x1080i (0x4c) 74.176MHz +HSync +VSync Interlace
        h: width  1920 start 2008 end 2052 total 2200 skew    0 clock  33.72KHz
        v: height 1080 start 1084 end 1094 total 1125           clock  59.94Hz
  1680x1050 (0x4d) 119.000MHz +HSync -VSync
        h: width  1680 start 1728 end 1760 total 1840 skew    0 clock  64.67KHz
        v: height 1050 start 1053 end 1059 total 1080           clock  59.88Hz
  1600x900 (0x4e) 108.000MHz +HSync +VSync
        h: width  1600 start 1624 end 1704 total 1800 skew    0 clock  60.00KHz
        v: height  900 start  901 end  904 total 1000           clock  60.00Hz
  1280x1024 (0x4f) 135.000MHz +HSync +VSync
        h: width  1280 start 1296 end 1440 total 1688 skew    0 clock  79.98KHz
        v: height 1024 start 1025 end 1028 total 1066           clock  75.02Hz
  1280x1024 (0x50) 108.000MHz +HSync +VSync
        h: width  1280 start 1328 end 1440 total 1688 skew    0 clock  63.98KHz
        v: height 1024 start 1025 end 1028 total 1066           clock  60.02Hz
  1280x800 (0x51) 71.000MHz +HSync -VSync
        h: width  1280 start 1328 end 1360 total 1440 skew    0 clock  49.31KHz
        v: height  800 start  803 end  809 total  823           clock  59.91Hz
  1152x864 (0x52) 108.000MHz +HSync +VSync
        h: width  1152 start 1216 end 1344 total 1600 skew    0 clock  67.50KHz
        v: height  864 start  865 end  868 total  900           clock  75.00Hz
  1280x720 (0x53) 74.250MHz +HSync +VSync
        h: width  1280 start 1390 end 1430 total 1650 skew    0 clock  45.00KHz
        v: height  720 start  725 end  730 total  750           clock  60.00Hz
  1280x720 (0x54) 74.250MHz +HSync +VSync
        h: width  1280 start 1720 end 1760 total 1980 skew    0 clock  37.50KHz
        v: height  720 start  725 end  730 total  750           clock  50.00Hz
  1280x720 (0x55) 74.176MHz +HSync +VSync
        h: width  1280 start 1390 end 1430 total 1650 skew    0 clock  44.96KHz
        v: height  720 start  725 end  730 total  750           clock  59.94Hz
  1024x768 (0x56) 78.750MHz +HSync +VSync
        h: width  1024 start 1040 end 1136 total 1312 skew    0 clock  60.02KHz
        v: height  768 start  769 end  772 total  800           clock  75.03Hz
  1024x768 (0x57) 65.000MHz -HSync -VSync
        h: width  1024 start 1048 end 1184 total 1344 skew    0 clock  48.36KHz
        v: height  768 start  771 end  777 total  806           clock  60.00Hz
  832x624 (0x58) 57.284MHz -HSync -VSync
        h: width   832 start  864 end  928 total 1152 skew    0 clock  49.73KHz
        v: height  624 start  625 end  628 total  667           clock  74.55Hz
  800x600 (0x59) 49.500MHz +HSync +VSync
        h: width   800 start  816 end  896 total 1056 skew    0 clock  46.88KHz
        v: height  600 start  601 end  604 total  625           clock  75.00Hz
  800x600 (0x5a) 40.000MHz +HSync +VSync
        h: width   800 start  840 end  968 total 1056 skew    0 clock  37.88KHz
        v: height  600 start  601 end  605 total  628           clock  60.32Hz
  720x576 (0x5b) 27.000MHz -HSync -VSync
        h: width   720 start  732 end  796 total  864 skew    0 clock  31.25KHz
        v: height  576 start  581 end  586 total  625           clock  50.00Hz
  720x576i (0x5c) 13.500MHz -HSync -VSync Interlace
        h: width   720 start  732 end  795 total  864 skew    0 clock  15.62KHz
        v: height  576 start  580 end  586 total  625           clock  50.00Hz
  720x480 (0x5d) 27.027MHz -HSync -VSync
        h: width   720 start  736 end  798 total  858 skew    0 clock  31.50KHz
        v: height  480 start  489 end  495 total  525           clock  60.00Hz
  720x480 (0x5e) 27.000MHz -HSync -VSync
        h: width   720 start  736 end  798 total  858 skew    0 clock  31.47KHz
        v: height  480 start  489 end  495 total  525           clock  59.94Hz
  720x480i (0x5f) 13.514MHz -HSync -VSync Interlace
        h: width   720 start  739 end  801 total  858 skew    0 clock  15.75KHz
        v: height  480 start  488 end  494 total  525           clock  60.00Hz
  720x480i (0x60) 13.500MHz -HSync -VSync Interlace
        h: width   720 start  739 end  801 total  858 skew    0 clock  15.73KHz
        v: height  480 start  488 end  494 total  525           clock  59.94Hz
  640x480 (0x61) 31.500MHz -HSync -VSync
        h: width   640 start  656 end  720 total  840 skew    0 clock  37.50KHz
        v: height  480 start  481 end  484 total  500           clock  75.00Hz
  640x480 (0x62) 25.200MHz -HSync -VSync
        h: width   640 start  656 end  752 total  800 skew    0 clock  31.50KHz
        v: height  480 start  490 end  492 total  525           clock  60.00Hz
  640x480 (0x63) 25.175MHz -HSync -VSync
        h: width   640 start  656 end  752 total  800 skew    0 clock  31.47KHz
        v: height  480 start  490 end  492 total  525           clock  59.94Hz
  720x400 (0x64) 28.320MHz -HSync +VSync
        h: width   720 start  738 end  846 total  900 skew    0 clock  31.47KHz
        v: height  400 start  412 end  414 total  449           clock  70.08Hz
DP-2 disconnected (normal left inverted right x axis y axis)
	Identifier: 0x44
	Timestamp:  42703
	Subpixel:   unknown
	Clones:     HDMI-2
	CRTCs:      0 1 2
	Transform:  1.000000 0.000000 0.000000
	            0.000000 1.000000 0.000000
	            0.000000 0.000000 1.000000
	           filter:
	HDCP Content Type: HDCP Type0
		supported: HDCP Type0, HDCP Type1
	Content Protection: Undesired
		supported: Undesired, Desired, Enabled
	Colorspace: Default
		supported: Default, RGB_Wide_Gamut_Fixed_Point, RGB_Wide_Gamut_Floating_Point, opRGB, DCI-P3_RGB_D65, BT2020_RGB, BT601_YCC, BT709_YCC, XVYCC_601, XVYCC_709, SYCC_601, opYCC_601, BT2020_CYCC, BT2020_YCC
	max bpc: 12
		range: (6, 12)
	Broadcast RGB: Automatic
		supported: Automatic, Full, Limited 16:235
	audio: auto
		supported: force-dvi, off, auto, on
	link-status: Good
		supported: Good, Bad
	CONNECTOR_ID: 184
		supported: 184
	non-desktop: 0
		range: (0, 1)
HDMI-2 disconnected (normal left inverted right x axis y axis)
	Identifier: 0x45
	Timestamp:  42703
	Subpixel:   unknown
	Clones:     DP-2
	CRTCs:      0 1 2
	Transform:  1.000000 0.000000 0.000000
	            0.000000 1.000000 0.000000
	            0.000000 0.000000 1.000000
	           filter:
	HDCP Content Type: HDCP Type0
		supported: HDCP Type0, HDCP Type1
	Content Protection: Undesired
		supported: Undesired, Desired, Enabled
	max bpc: 12
		range: (8, 12)
	content type: No Data
		supported: No Data, Graphics, Photo, Cinema, Game
	Colorspace: Default
		supported: Default, SMPTE_170M_YCC, BT709_YCC, XVYCC_601, XVYCC_709, SYCC_601, opYCC_601, opRGB, BT2020_CYCC, BT2020_RGB, BT2020_YCC, DCI-P3_RGB_D65, DCI-P3_RGB_Theater
	aspect ratio: Automatic
		supported: Automatic, 4:3, 16:9
	Broadcast RGB: Automatic
		supported: Automatic, Full, Limited 16:235
	audio: auto
		supported: force-dvi, off, auto, on
	link-status: Good
		supported: Good, Bad
	CONNECTOR_ID: 190
		supported: 190
	non-desktop: 0
		range: (0, 1)



Thanks.

--
~Randy




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