[PATCH 0/2] Convert to persistent DRM devices

[Jeffrey Hugo]

On 11/17/2023 10:43 AM, Jeffrey Hugo wrote:
> The qaic driver currently creates and destroys the DRM devices when the
> qaic device is in an operational state for userspace. This does not match
> what other DRM drivers do, and leads to a few race conditions that need
> to be handled.
> 
> Instead, create the DRM device when the underlying PCIe device is detected
> and destroy the DRM device when the underlying device disappears.
> 
> Use KOBJ_ONLINE/OFFLINE udev events to signal to userspace when the
> underlying device is ready to accept requests, or has entered a reset
> state.
> 
> Carl Vanderlip (2):
>    accel/qaic: Increase number of in_reset states
>    accel/qaic: Expand DRM device lifecycle
> 
>   Documentation/accel/qaic/qaic.rst   |  9 +++++-
>   drivers/accel/qaic/mhi_controller.c |  2 +-
>   drivers/accel/qaic/qaic.h           | 15 +++++++--
>   drivers/accel/qaic/qaic_control.c   |  5 +--
>   drivers/accel/qaic/qaic_data.c      | 16 ++++-----
>   drivers/accel/qaic/qaic_drv.c       | 50 ++++++++++++-----------------
>   6 files changed, 52 insertions(+), 45 deletions(-)
> 

Pushed to drm-misc-next

-Jeff