[coreboot - Bug #507] (Closed) Windows GPU driver fails to load on AMD based google/guybrush, google/skyrim boards

Matt DeVillier <[email protected]>
Newsgroups gmane.linux.bios
Message-ID <[email protected]>
Issue #507 has been updated by Matt DeVillier.

Status changed from New to Closed

This isn't an issue when not using vboot/PSP verstage, so closing for now.

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Bug #507: Windows GPU driver fails to load on AMD based google/guybrush, google/skyrim boards
https://ticket.coreboot.org/issues/507#change-2049

* Author: Matt DeVillier
* Status: Closed
* Priority: Normal
* Target version: none
* Start date: 2023-08-30
* Affected versions: 4.15, 4.16, 4.17, 4.18, 4.19, 4.21, main
* Affected hardware: google/guybrush, google/skyrim
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The Windows GPU drivers on AMD Cezanne and Mendocino platform ChromeOS devices (google guybrush and skyrim boards respectively) fail to load due to the PSP boot mode being `Development` vs `Production.` On these platforms, the PSP only boots in `Production` mode when ChromeOS verified boot mode is active.

Possible solutions include having the PSP boot in `Production` mode when vboot is not used at all, when CONFIG_CHROMEOS is not set, or (always) when PSP signed verstage is used. Any of these require changes to the PSP firmware from AMD.



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