Commit f19df6e4 authored by David Michael's avatar David Michael Committed by Steven Price
Browse files

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: 7d690f93 ("drm/panfrost: Add basic support for speed binning")
Signed-off-by: default avatarDavid Michael <fedora.dm0@gmail.com>
Reviewed-by: default avatarSteven Price <steven.price@arm.com>
Signed-off-by: default avatarSteven Price <steven.price@arm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/87msyryd7y.fsf@gmail.com
parent 20c82768

drivers/gpu/drm/panfrost/panfrost_devfreq.c

+1 −1
Original line number Diff line number Diff line
@@ -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;

		}