Re: [PATCH V2] accel/amdxdna: Check interrupt register before mailbox_rx_worker exits

[Mario Limonciello]

On 2/27/2025 02:36, Jacek Lawrynowicz wrote:
> Reviewed-by: Jacek Lawrynowicz <jacek.lawrynowicz@xxxxxxxxxxxxxxx>
>
> On 2/26/2025 5:18 PM, Lizhi Hou wrote:
> > There is a timeout failure been found during stress tests. If the firmware
> > generates a mailbox response right after driver clears the mailbox channel
> > interrupt register, the hardware will not generate an interrupt for the
> > response. This causes the unexpected mailbox command timeout.
> >
> > To handle this failure, driver checks the interrupt register before
> > exiting mailbox_rx_worker(). If there is a new response, driver goes back
> > to process it.
> >
> > Signed-off-by: Lizhi Hou <lizhi.hou@xxxxxxx>
> > ---

Applied to drm-misc-next.

cd740b873f8f6 accel/amdxdna: Check interrupt register before 
mailbox_rx_worker exits