The fix has been upstreamed in v6.4-rc7 as commit 3eb1a3a04056 ("drm/amd: Make sure image is written to trigger VBIOS image update flow"), as well as commit 3537d6a48c50 ("drm/amd: Make sure image is written to trigger VBIOS image update flow") in v6.5-rc1. linux/lunar, is affected by commit 8424f2ccb3c0 ("drm/amdgpu/psp: Add vbflash sysfs interface support"), and has been fixed in bug 2033931, which pulled commit b28035cb5690 ("drm/amd: Make sure image is written to trigger VBIOS image update flow") from stable v6.3.9.
The fix has been upstreamed in v6.4-rc7 as commit 3eb1a3a04056 ("drm/amd: Make sure image is written to trigger VBIOS image update flow"), as well as commit 3537d6a48c50 ("drm/amd: Make sure image is written to trigger VBIOS image update flow") in v6.5-rc1. linux/lunar, is affected by commit 8424f2ccb3c0 ("drm/amdgpu/psp: Add vbflash sysfs interface support"), and has been fixed in bug 2033931, which pulled commit b28035cb5690 ("drm/amd: Make sure image is written to trigger VBIOS image update flow") from stable v6.3.9.