Public bug reported:

On newer platforms GSC FW is only required for content protection
features, so the core driver features work perfectly fine without it.
GSC was previously made optional for PTL.

Proposed fixes:
* kernel: (currently in linux-next only)
  * b1dcec9bd8a1d drm/xe/ptl: Enable PXP for PTL
  * 6d24027d555e4 drm/xe/ptl: Define GSC for PTL
  * 65b65ffcf669c drm/xe/gsc: Make GSC FW load optional for newer platforms
* firmware: (main branch only)
  * 05a6a40bb xe: Add GSC 105.0.2.1301 for PTL

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: linux-firmware (Ubuntu)
     Importance: High
     Assignee: You-Sheng Yang (vicamo)
         Status: In Progress

** Affects: linux-oem-6.17 (Ubuntu)
     Importance: Undecided
         Status: Invalid

** Affects: linux (Ubuntu Noble)
     Importance: Undecided
         Status: New

** Affects: linux-firmware (Ubuntu Noble)
     Importance: Undecided
         Status: New

** Affects: linux-oem-6.17 (Ubuntu Noble)
     Importance: High
     Assignee: You-Sheng Yang (vicamo)
         Status: In Progress

** Affects: linux (Ubuntu Questing)
     Importance: Undecided
         Status: New

** Affects: linux-firmware (Ubuntu Questing)
     Importance: High
     Assignee: You-Sheng Yang (vicamo)
         Status: In Progress

** Affects: linux-oem-6.17 (Ubuntu Questing)
     Importance: Undecided
         Status: Invalid

** Affects: linux (Ubuntu Resolute)
     Importance: Undecided
         Status: New

** Affects: linux-firmware (Ubuntu Resolute)
     Importance: High
     Assignee: You-Sheng Yang (vicamo)
         Status: In Progress

** Affects: linux-oem-6.17 (Ubuntu Resolute)
     Importance: Undecided
         Status: Invalid

** Also affects: linux (Ubuntu)
   Importance: Undecided
       Status: New

** Also affects: linux-oem-6.17 (Ubuntu)
   Importance: Undecided
       Status: New

** Also affects: linux (Ubuntu Resolute)
   Importance: Undecided
       Status: New

** Also affects: linux-firmware (Ubuntu Resolute)
   Importance: Undecided
       Status: New

** Also affects: linux-oem-6.17 (Ubuntu Resolute)
   Importance: Undecided
       Status: New

** Also affects: linux (Ubuntu Noble)
   Importance: Undecided
       Status: New

** Also affects: linux-firmware (Ubuntu Noble)
   Importance: Undecided
       Status: New

** Also affects: linux-oem-6.17 (Ubuntu Noble)
   Importance: Undecided
       Status: New

** Also affects: linux (Ubuntu Questing)
   Importance: Undecided
       Status: New

** Also affects: linux-firmware (Ubuntu Questing)
   Importance: Undecided
       Status: New

** Also affects: linux-oem-6.17 (Ubuntu Questing)
   Importance: Undecided
       Status: New

** Changed in: linux-oem-6.17 (Ubuntu Questing)
       Status: New => Invalid

** Changed in: linux-oem-6.17 (Ubuntu Resolute)
       Status: New => Invalid

** Changed in: linux-oem-6.17 (Ubuntu Noble)
   Importance: Undecided => High

** Changed in: linux-oem-6.17 (Ubuntu Noble)
       Status: New => In Progress

** Changed in: linux-oem-6.17 (Ubuntu Noble)
     Assignee: (unassigned) => You-Sheng Yang (vicamo)

** Changed in: linux-firmware (Ubuntu Questing)
   Importance: Undecided => High

** Changed in: linux-firmware (Ubuntu Questing)
       Status: New => In Progress

** Changed in: linux-firmware (Ubuntu Questing)
     Assignee: (unassigned) => You-Sheng Yang (vicamo)

** Changed in: linux-firmware (Ubuntu Resolute)
   Importance: Undecided => High

** Changed in: linux-firmware (Ubuntu Resolute)
       Status: New => In Progress

** Changed in: linux-firmware (Ubuntu Resolute)
     Assignee: (unassigned) => You-Sheng Yang (vicamo)

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https://bugs.launchpad.net/bugs/2139596

Title:
  Enable GSC loading and PXP for PTL

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