Andrzej Kacprowski 19887a85ad accel/ivpu: Fix sporadic VPU boot failure ...

commit a3efabee58 upstream.

Wait for AON bit in HOST_SS_CPR_RST_CLR to return 0 before
starting VPUIP power up sequence, otherwise the VPU device
may sporadically fail to boot.

An error in power up sequence is propagated to the runtime
power management - the device will be in an error state
until the VPU driver is reloaded.

Fixes: 35b137630f ("accel/ivpu: Introduce a new DRM driver for Intel VPU")
Cc: stable@vger.kernel.org # 6.3.x
Signed-off-by: Andrzej Kacprowski <andrzej.kacprowski@linux.intel.com>
Reviewed-by: Krystian Pradzynski <krystian.pradzynski@linux.intel.com>
Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230607094502.388489-1-stanislaw.gruszka@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2023-06-14 11:16:57 +02:00

..

habanalabs

accel/habanalabs: postpone mem_mgr IDR destruction to hpriv_release()

2023-05-24 17:30:01 +01:00

ivpu

accel/ivpu: Fix sporadic VPU boot failure

2023-06-14 11:16:57 +02:00

drm_accel.c

Fix mismerge due to devnode now taking a 'const *' device

2022-12-16 13:04:15 -06:00

Kconfig

accel: fix CONFIG_DRM dependencies

2023-02-01 11:18:46 +01:00

Makefile

accel: Build sub-directories based on config options

2023-03-13 12:44:53 +01:00