(subset) [PATCH] drm/aspeed: Fix vga_pw sysfs output
maxime at cerno.tech
Fri Nov 19 22:00:57 AEDT 2021
On Wed, 17 Nov 2021 09:01:45 +0800, Joel Stanley wrote:
> Before the drm driver had support for this file there was a driver that
> exposed the contents of the vga password register to userspace. It would
> present the entire register instead of interpreting it.
> The drm implementation chose to mask of the lower bit, without explaining
> why. This breaks the existing userspace, which is looking for 0xa8 in
> the lower byte.
Applied to drm/drm-misc (drm-misc-fixes).
More information about the Linux-aspeed