Linux kernel bug fix: drm/vmwgfx: Use the backdoor port if the HB port is not available
Subsystem: gpu (drivers/gpu/drm/vmwgfx/vmwgfx_msg.c)
Bug type: unknown, severity: unknown
Files changed: drivers/gpu/drm/vmwgfx/vmwgfx_msg.c
Introduced by Sinclair Yeh on 2016-05-20 17:12:33 +0200; fixed by Thomas Hellstrom on 2019-06-11 16:59:54 +0200 (lifetime: 1116 days)