> From: Alex Williamson > Sent: Thursday, April 19, 2018 2:32 AM > > That almost begins to look reasonable, but then we can only expose this > for mdev devices, what if we were to hack a back door into a directly > assigned GPU that tracks the location of active display in the > framebuffer and implement the GFX_PLANE interface for that? We have no > sysfs representation for either the template or the actual device for > anything other than mdev. This inconsistency with physically assigned > devices has been one of my arguments against enhancing mdev sysfs. > One possible option is to wrap directly assigned GPU into a mdev. The parent driver could be a dummy PCI driver which does basic PCI initialization, and then provide hooks for vendor-specific hack. Thanks Kevin
