kern/57497: 10_BETA: radeon reports incorrect graphics memory in dmesg

[nia%pkgsrc.org@localhost]

>Number:         57497
>Category:       kern
>Synopsis:       10_BETA: radeon reports incorrect graphics memory in dmesg
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sat Jul 01 20:20:00 +0000 2023
>Originator:     nia
>Release:        NetBSD 10 amd64
>Organization:
The NetBSD Foundation
>Environment:
>Description:
radeon0: VRAM: 512M 0x0000000000000000 - 0x000000001FFFFFFF (512M used)
radeon0: GTT: 2048M 0x0000000020000000 - 0x000000009FFFFFFF
[drm] Detected VRAM RAM=200M, BAR=256M
[drm] RAM width 128bits DDR
Zone  kernel: Available graphics memory: 9007199254282620 KiB
[drm] radeon: 512M of VRAM memory ready
[drm] radeon: 2048M of GTT memory ready.
[drm] Loading kabini Microcode
[drm] Internal thermal controller without fan control
[drm] radeon: dpm initialized
[drm] Found UVD firmware Version: 1.64 Family ID: 9
[drm] Found VCE firmware/feedback version 40.2.2 / 15!
[drm] GART: num cpu pages 524288, num gpu pages 524288
[drm] PCIE GART of 2048M enabled (table at 0x000000000030E000).


I do not think I have 9007199254282620 KiB of graphics memory.
>How-To-Repeat:

>Fix: