From: Johan Hovold johan@kernel.org
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@vger.kernel.org # 3.4 Signed-off-by: Johan Hovold johan@kernel.org Signed-off-by: Daniel Vetter daniel.vetter@ffwll.ch Link: https://patchwork.freedesktop.org/patch/msgid/20211025115353.5089-1-johan@ke... Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- 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 @@ -30,7 +30,7 @@ static int udl_get_edid_block(void *data ret = usb_control_msg(udl->udev, usb_rcvctrlpipe(udl->udev, 0), (0x02), (0x80 | (0x02 << 5)), bval, - 0xA1, read_buff, 2, HZ); + 0xA1, read_buff, 2, 1000); if (ret < 1) { DRM_ERROR("Read EDID byte %d failed err %x\n", i, ret); kfree(read_buff);