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Bug #507

open

Windows GPU driver fails to load on AMD based google/guybrush, google/skyrim boards

Added by Matt DeVillier about 1 year ago.

Status:
New
Priority:
Normal
Assignee:
-
Category:
-
Target version:
none
Start date:
08/30/2023
Due date:
% Done:

0%

Estimated time:
Affected versions:
4.21, 4.15, 4.16, 4.17, 4.18, 4.19, master
Needs backport to:
Affected hardware:
google/guybrush, google/skyrim
Affected OS:

Description

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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