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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: 7d690f936e ("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
This commit is contained in:
David Michael 2023-08-15 21:42:41 -04:00 committed by Steven Price
parent 20c827683d
commit f19df6e4de
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/panfrost/panfrost_devfreq.c
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@ -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;
}