accel/ivpu: Do not use SSID 1
authorStanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
Thu, 23 Mar 2023 12:54:59 +0000 (13:54 +0100)
committerJacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Fri, 24 Mar 2023 09:50:27 +0000 (10:50 +0100)
commit3ff6edbc17dbab87f705b1da93854ffff3912673
treea513a8aff4151adc2efca9729a31f9cbf526748d
parent6013aa84ee45fd0faa23fc6312a1af60b06d408b
accel/ivpu: Do not use SSID 1

The SSID=1 is used by the firmware as default value in
case SSID mapping is not initialized. This allows
detecting use of miss-configured memory contexts.
The future FW versions may not allow using SSID=1.

SSID=65 is valid value, number of contexts are limited
by number of available command queues, but SSID can be
any u16 value.

Fixes: 35b137630f08 ("accel/ivpu: Introduce a new DRM driver for Intel VPU")
Co-developed-by: Andrzej Kacprowski <andrzej.kacprowski@linux.intel.com>
Signed-off-by: Andrzej Kacprowski <andrzej.kacprowski@linux.intel.com>
Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230323125504.2586442-4-stanislaw.gruszka@linux.intel.com
drivers/accel/ivpu/ivpu_drv.c
drivers/accel/ivpu/ivpu_drv.h