Re: [PATCH v2] drm/panthor: flush FW AS caches in slow reset path

2024-09-05 Thread Boris Brezillon
On Mon, 2 Sep 2024 16:11:51 +0100 Steven Price wrote: > On 02/09/2024 14:02, Adrián Larumbe wrote: > > In the off-chance that waiting for the firmware to signal its booted status > > timed out in the fast reset path, one must flush the cache lines for the > > entire FW VM address space before rel

Re: [PATCH v2] drm/panthor: flush FW AS caches in slow reset path

2024-09-02 Thread Boris Brezillon
On Mon, 2 Sep 2024 16:11:51 +0100 Steven Price wrote: > On 02/09/2024 14:02, Adrián Larumbe wrote: > > In the off-chance that waiting for the firmware to signal its booted status > > timed out in the fast reset path, one must flush the cache lines for the > > entire FW VM address space before rel

Re: [PATCH v2] drm/panthor: flush FW AS caches in slow reset path

2024-09-02 Thread Steven Price
On 02/09/2024 14:02, Adrián Larumbe wrote: > In the off-chance that waiting for the firmware to signal its booted status > timed out in the fast reset path, one must flush the cache lines for the > entire FW VM address space before reloading the regions, otherwise stale > values eventually lead to

[PATCH v2] drm/panthor: flush FW AS caches in slow reset path

2024-09-02 Thread Adrián Larumbe
In the off-chance that waiting for the firmware to signal its booted status timed out in the fast reset path, one must flush the cache lines for the entire FW VM address space before reloading the regions, otherwise stale values eventually lead to a scheduler job timeout. Fixes: 647810ec2476 ("drm