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| author | David Michael <fedora.dm0@gmail.com> | 2023-08-15 21:42:41 -0400 |
|---|---|---|
| committer | Steven Price <steven.price@arm.com> | 2023-08-21 15:38:54 +0100 |
| commit | f19df6e4de64b7fc6d71f192aa9ff3b701e4bade (patch) | |
| tree | 24886fdef89be53bb4a14d06a5749cc2c925a38e /drivers/gpu/drm/panfrost/panfrost_devfreq.c | |
| parent | 20c827683de05a6c7e7ae7fae586899690693251 (diff) | |
| download | linux-stable-f19df6e4de64b7fc6d71f192aa9ff3b701e4bade.tar.gz linux-stable-f19df6e4de64b7fc6d71f192aa9ff3b701e4bade.tar.bz2 linux-stable-f19df6e4de64b7fc6d71f192aa9ff3b701e4bade.zip | |
drm/panfrost: Skip speed binning on EOPNOTSUPP
Encountered on an ARM Mali-T760 MP4, attempting to read the nvmem
variable can also return EOPNOTSUPP instead of ENOENT when speed
binning is unsupported.
Cc: <stable@vger.kernel.org>
Fixes: 7d690f936e9b ("drm/panfrost: Add basic support for speed binning")
Signed-off-by: David Michael <fedora.dm0@gmail.com>
Reviewed-by: Steven Price <steven.price@arm.com>
Signed-off-by: Steven Price <steven.price@arm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/87msyryd7y.fsf@gmail.com
Diffstat (limited to 'drivers/gpu/drm/panfrost/panfrost_devfreq.c')
| -rw-r--r-- | drivers/gpu/drm/panfrost/panfrost_devfreq.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/panfrost/panfrost_devfreq.c b/drivers/gpu/drm/panfrost/panfrost_devfreq.c index 58dfb15a8757..e78de99e9933 100644 --- a/drivers/gpu/drm/panfrost/panfrost_devfreq.c +++ b/drivers/gpu/drm/panfrost/panfrost_devfreq.c @@ -96,7 +96,7 @@ static int panfrost_read_speedbin(struct device *dev) * keep going without it; any other error means that we are * supposed to read the bin value, but we failed doing so. */ - if (ret != -ENOENT) { + if (ret != -ENOENT && ret != -EOPNOTSUPP) { DRM_DEV_ERROR(dev, "Cannot read speed-bin (%d).", ret); return ret; } |