如何找到我的显卡支持哪个版本的 DisplayPort?

如何找到我的显卡支持哪个版本的 DisplayPort?

DisplayPort 有不同的版本,所有版本都使用相同的电缆和端接器,但协议版本不同。如何查明我的显卡和驱动程序支持哪个版本的 DisplayPort?

我正在使用 x230(来自lspci -vv

00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor Graphics Controller (rev 09) (prog-if 00 [VGA controller])
        Subsystem: Lenovo 3rd Gen Core processor Graphics Controller
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
        Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
        Latency: 0
        Interrupt: pin A routed to IRQ 29
        Region 0: Memory at f0000000 (64-bit, non-prefetchable) [size=4M]
        Region 2: Memory at e0000000 (64-bit, prefetchable) [size=256M]
        Region 4: I/O ports at 6000 [size=64]
        [virtual] Expansion ROM at 000c0000 [disabled] [size=128K]
        Capabilities: <access denied>
        Kernel driver in use: i915
        Kernel modules: i915

答案1

https://www.intel.com/content/www/us/en/support/articles/000023781/graphics-drivers.html:

对于第二代和第三代智能英特尔® 酷睿™ 处理器,支持的最大分辨率为:

  • DisplayPort 1.1 = 2560x1600 @ 60 Hz
  • HDMI 1.4 = 1920x1200(60 赫兹)
  • DVI(单链路)= 1920x1200 @ 60 Hz
  • VGA = 2048x1536(75 赫兹)

所以,它看起来像是 DisplayPort 1.1。

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