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| author | Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com> | 2023-11-15 14:10:04 +0300 |
|---|---|---|
| committer | Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com> | 2023-11-21 11:20:25 +0300 |
| commit | 3f7c0634926daf48cd2f6db6c1197a1047074088 (patch) | |
| tree | 11512fc2892e4ffbff458f6e3d3a8f072a96f17f /drivers/gpu/drm/ast/ast_mode.c | |
| parent | bb0a05acd6121ff0e810b44fdc24dbdfaa46b642 (diff) | |
| download | linux-3f7c0634926daf48cd2f6db6c1197a1047074088.tar.xz | |
accel/ivpu/37xx: Fix hangs related to MMIO reset
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: 828d63042aec ("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
Diffstat (limited to 'drivers/gpu/drm/ast/ast_mode.c')
0 files changed, 0 insertions, 0 deletions