Commit 5591c8f7 authored by Johan Hovold's avatar Johan Hovold Committed by Daniel Vetter
Browse files

drm/udl: fix control-message timeout 



USB control-message timeouts are specified in milliseconds and should
specifically not vary with CONFIG_HZ.

Fixes: 5320918b ("drm/udl: initial UDL driver (v4)")
Cc: stable@vger.kernel.org      # 3.4
Signed-off-by: default avatarJohan Hovold <johan@kernel.org>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20211025115353.5089-1-johan@kernel.org
parent 0d979509

drivers/gpu/drm/udl/udl_connector.c

+1 −1
Original line number Diff line number Diff line
@@ -30,7 +30,7 @@ static int udl_get_edid_block(void *data, u8 *buf, unsigned int block, 
		int bval = (i + block * EDID_LENGTH) << 8;

		ret = usb_control_msg(udev, usb_rcvctrlpipe(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);