[FEAT] Detect max refresh rate for monitor module.

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Wanted features:

When running fastfetch on Windows 11 I get this output:

Display (PL2730H): 1920x1080 @ 60Hz [External]
Monitor (PL2730H): 1920x1080 px - 598x336 mm (27.01 inches, 81.57 ppi)
Monitor (AUO060E): 1366x768 px - 309x173 mm (13.94 inches, 112.40 ppi)

There are 2 problems with it:

• 60 Hz on external monitor is current refresh rate, but I would like to (also) see the max which is 75 Hz,
• The second, internal monitor does not have it's output (including refresh rate) for the display module while it is closed.

Opening laptop monitor solves it and shows:

Display (AUO060E): 1366x768 @ 60Hz [Built-in]
Display (PL2730H): 1920x1080 @ 60Hz [External] *
Monitor (PL2730H): 1920x1080 px - 598x336 mm (27.01 inches, 81.57 ppi)
Monitor (AUO060E): 1366x768 px - 309x173 mm (13.94 inches, 112.40 ppi)

(Also note that the order is different for both modules.)
But I would prefer if it was possible to get this information with the screen closed, or at least to see the max refresh rate (at max resolution, at hd resolution or at any resolution) with the monitor module.

Motivation:

I want to see when I'm not using the max refresh rate.

[CarterLi]

Display module always show the current configuration of active monitors, including resolution, refresh rate, primary monitor, etc. It's by design to dismiss closed monitors.

or at least to see the max refresh rate

Considerable, if EDID reports it.

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Here's the EDID:

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

[CarterLi]

edid.txt

BOE09F9

[CarterLi]

You should test the dev build

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Thanks, here are the outputs:
Both on:

Display (AUO060E): 1366x768 @ 59.999 Hz in 14″ [Built-in]
Display (PL2730H): 1920x1080 @ 59.94 Hz in 27″ [External] *
Monitor (AUO060E): 1366x768 px @ 59.999 Hz - 309x173 mm (13.94 inches, 112.40 ppi)
Monitor (PL2730H): 1920x1080 px @ 59.940 Hz - 598x336 mm (27.01 inches, 81.57 ppi)

{
  "type": "Display",
  "result": [
    {
      "id": 29296715,
      "name": "AUO060E",
      "primary": false,
      "output": {
        "width": 1366,
        "height": 768
      },
      "scaled": {
        "width": 1366,
        "height": 768
      },
      "physical": {
        "width": 309,
        "height": 173
      },
      "refreshRate": 59.998545386093035,
      "rotation": 0,
      "bitDepth": 6,
      "hdrEnabled": false,
      "type": "Builtin"
    },
    {
      "id": 263258759,
      "name": "PL2730H",
      "primary": true,
      "output": {
        "width": 1920,
        "height": 1080
      },
      "scaled": {
        "width": 1920,
        "height": 1080
      },
      "physical": {
        "width": 598,
        "height": 336
      },
      "refreshRate": 59.9400597979798,
      "rotation": 0,
      "bitDepth": 8,
      "hdrEnabled": false,
      "type": "External"
    }
  ]
},
{
  "type": "Monitor",
  "result": [
    {
      "hdrCompatible": false,
      "name": "AUO060E",
      "resolution": {
        "width": 1366,
        "height": 768
      },
      "physical": {
        "height": 173,
        "width": 309
      },
      "refreshRate": 59.998545386093035,
      "manufactureDate": {
        "year": 2017,
        "week": 1
      },
      "serial": null
    },
    {
      "hdrCompatible": false,
      "name": "PL2730H",
      "resolution": {
        "width": 1920,
        "height": 1080
      },
      "physical": {
        "height": 336,
        "width": 598
      },
      "refreshRate": 59.9400597979798,
      "manufactureDate": {
        "year": 2018,
        "week": 20
      },
      "serial": 1638
    }
  ]
}

Internal off:

Display (PL2730H): 1920x1080 @ 74.973 Hz in 27″ [External]
Monitor (PL2730H): 1920x1080 px @ 59.940 Hz - 598x336 mm (27.01 inches, 81.57 ppi)

{
  "type": "Display",
  "result": [
    {
      "id": 14682211,
      "name": "PL2730H",
      "primary": true,
      "output": {
        "width": 1920,
        "height": 1080
      },
      "scaled": {
        "width": 1920,
        "height": 1080
      },
      "physical": {
        "width": 598,
        "height": 336
      },
      "refreshRate": 74.97250292156458,
      "rotation": 0,
      "bitDepth": 8,
      "hdrEnabled": false,
      "type": "External"
    }
  ]
},
{
  "type": "Monitor",
  "result": [
    {
      "hdrCompatible": false,
      "name": "PL2730H",
      "resolution": {
        "width": 1920,
        "height": 1080
      },
      "physical": {
        "height": 336,
        "width": 598
      },
      "refreshRate": 59.9400597979798,
      "manufactureDate": {
        "year": 2018,
        "week": 20
      },
      "serial": 1638
    }
  ]
}

[CarterLi]

Display (PL2730H): 1920x1080 @ 74.973 Hz in 27″ [External]
Monitor (PL2730H): 1920x1080 px @ 59.940 Hz - 598x336 mm (27.01 inches, 81.57 ppi)

Seems wrong.

Fastfetch uses the preferred mode reported by Windows. However the preferred mode is not the maximum.

Any idea?

[CarterLi]

Is this your monitor?

https://www.displayspecifications.com/en/model/18ff127c

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Yes, it has Iiyama G-Master Black Hawk GB2730HSU written on it's box, and PL2730H written on the monitor itself.

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Here are Windows modes for both displays.

[CarterLi]

I could not find a better way for this. For now, fastfetch will report the refresh rate of preferred mode reported by windows. If it's lower than the current refresh rate, fastfetch will instead report current refresh rate.

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Alright.