[PATCH v2 2/2] drm/xe: make change ccs_mode a synchronous action

[Lucas De Marchi]

On Tue, Dec 10, 2024 at 03:37:48PM +0100, Maciej Patelczyk wrote:
>If ccs_mode is being modified via
>   /sys/class/drm/cardX/device/tileY/gtY/ccs_mode
>the asynchronous reset is triggered and the write returns immediately.
>
>With that some test receive false information about number of CCS engines
>or even fail if they proceed without delay after changing the ccs_mode.
>
>Changing the ccs_mode change from async to sync to prevent failures in
>tests.
>
>Signed-off-by: Maciej Patelczyk <maciej.patelczyk at intel.com>


Reviewed-by: Lucas De Marchi <lucas.demarchi at intel.com>

Lucas De Marchi