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authorDavid Michael <fedora.dm0@gmail.com>2023-08-16 04:42:41 +0300
committerSteven Price <steven.price@arm.com>2023-08-21 17:38:54 +0300
commitf19df6e4de64b7fc6d71f192aa9ff3b701e4bade (patch)
tree24886fdef89be53bb4a14d06a5749cc2c925a38e /drivers/gpu/drm/panfrost
parent20c827683de05a6c7e7ae7fae586899690693251 (diff)
downloadlinux-f19df6e4de64b7fc6d71f192aa9ff3b701e4bade.tar.xz
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')
-rw-r--r--drivers/gpu/drm/panfrost/panfrost_devfreq.c2
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;
}