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linux/drivers/accel
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Jacek Lawrynowicz 790c480d35 accel/ivpu/37xx: Fix hangs related to MMIO reset 
[ Upstream commit 3f7c063492 ]

There is no need to call MMIO reset using VPU_37XX_BUTTRESS_VPU_IP_RESET
register. IP will be reset by FLR or by entering d0i3. Also IP reset
during power_up is not needed as the VPU is already in reset.

Removing MMIO reset improves stability as it a partial device reset
that is not safe in some corner cases.

This change also brings back ivpu_boot_pwr_domain_disable() that
helps to properly power down VPU when it is hung by a buggy workload.

Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Fixes: 828d63042a ("accel/ivpu: Don't enter d0i3 during FLR")
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231115111004.1304092-1-jacek.lawrynowicz@linux.intel.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2023-12-03 07:33:04 +01:00
..
habanalabs accel/habanalabs/gaudi2: Fix incorrect string length computation in gaudi2_psoc_razwi_get_engines() 2023-11-20 11:59:11 +01:00
ivpu accel/ivpu/37xx: Fix hangs related to MMIO reset 2023-12-03 07:33:04 +01:00
qaic Linux 6.5-rc7 2023-08-24 07:26:06 +10:00
drm_accel.c driver core: class: remove module * from class_create() 2023-03-17 15:16:33 +01:00
Kconfig accel/qaic: Add qaic driver to the build system 2023-04-06 08:23:03 +02:00
Makefile accel/qaic: Add qaic driver to the build system 2023-04-06 08:23:03 +02:00