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| author | Boris Brezillon <boris.brezillon@collabora.com> | 2021-06-30 08:27:48 +0200 |
|---|---|---|
| committer | Boris Brezillon <boris.brezillon@collabora.com> | 2021-07-01 08:53:35 +0200 |
| commit | 2905db2764cd6c66a73d70b0b3edea012dee5b71 (patch) | |
| tree | 415ed771a47b8cf6f8b39182fce82f775157ff9c /drivers/gpu/drm/panfrost/panfrost_device.c | |
| parent | f9ab9c66f08082a143ac529f1e479b987c2a1fa1 (diff) | |
| download | linux-stable-2905db2764cd6c66a73d70b0b3edea012dee5b71.tar.gz linux-stable-2905db2764cd6c66a73d70b0b3edea012dee5b71.tar.bz2 linux-stable-2905db2764cd6c66a73d70b0b3edea012dee5b71.zip | |
drm/panfrost: Don't reset the GPU on job faults unless we really have to
If we can recover from a fault without a reset there's no reason to
issue one.
v3:
* Drop the mention of Valhall requiring a reset on JOB_BUS_FAULT
* Set the fence error to -EINVAL instead of having per-exception
error codes
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Steven Price <steven.price@arm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210630062751.2832545-14-boris.brezillon@collabora.com
Diffstat (limited to 'drivers/gpu/drm/panfrost/panfrost_device.c')
| -rw-r--r-- | drivers/gpu/drm/panfrost/panfrost_device.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/panfrost/panfrost_device.c b/drivers/gpu/drm/panfrost/panfrost_device.c index cd76d2ff5034..bd9b7be63b0f 100644 --- a/drivers/gpu/drm/panfrost/panfrost_device.c +++ b/drivers/gpu/drm/panfrost/panfrost_device.c @@ -379,6 +379,15 @@ const char *panfrost_exception_name(u32 exception_code) return panfrost_exception_infos[exception_code].name; } +bool panfrost_exception_needs_reset(const struct panfrost_device *pfdev, + u32 exception_code) +{ + /* Right now, none of the GPU we support need a reset, but this + * might change. + */ + return false; +} + void panfrost_device_reset(struct panfrost_device *pfdev) { panfrost_gpu_soft_reset(pfdev); |