From: Johan Hovold <johan@xxxxxxxxxx> commit 5591c8f79db1729d9c5ac7f5b4d3a5c26e262d93 upstream. USB control-message timeouts are specified in milliseconds and should specifically not vary with CONFIG_HZ. Fixes: 5320918b9a87 ("drm/udl: initial UDL driver (v4)") Cc: stable@xxxxxxxxxxxxxxx # 3.4 Signed-off-by: Johan Hovold <johan@xxxxxxxxxx> Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxx> Link: https://patchwork.freedesktop.org/patch/msgid/20211025115353.5089-1-johan@xxxxxxxxxx Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/gpu/drm/udl/udl_connector.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/gpu/drm/udl/udl_connector.c +++ b/drivers/gpu/drm/udl/udl_connector.c @@ -37,7 +37,7 @@ static u8 *udl_get_edid(struct udl_devic ret = usb_control_msg(udl->udev, usb_rcvctrlpipe(udl->udev, 0), (0x02), (0x80 | (0x02 << 5)), i << 8, 0xA1, rbuf, 2, - HZ); + 1000); if (ret < 1) { DRM_ERROR("Read EDID byte %d failed err %x\n", i, ret); goto error;