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| author | Thomas Zimmermann <tzimmermann@suse.de> | 2022-09-08 11:51:05 +0200 |
|---|---|---|
| committer | Thomas Zimmermann <tzimmermann@suse.de> | 2022-09-10 21:45:45 +0200 |
| commit | 1ceef996c99f1e8a44df8714fcf12822353ac488 (patch) | |
| tree | dba49499f9e52a0791c63c147ff23ff450512daa /drivers/gpu/drm/udl/udl_drv.c | |
| parent | drm/udl: Restore display mode on resume (diff) | |
| download | linux-1ceef996c99f1e8a44df8714fcf12822353ac488.tar.xz linux-1ceef996c99f1e8a44df8714fcf12822353ac488.zip | |
drm/udl: Add reset_resume
Implement the reset_resume callback of struct usb_driver. Set the
standard channel when called.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20220908095115.23396-3-tiwai@suse.de
Diffstat (limited to 'drivers/gpu/drm/udl/udl_drv.c')
| -rw-r--r-- | drivers/gpu/drm/udl/udl_drv.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/gpu/drm/udl/udl_drv.c b/drivers/gpu/drm/udl/udl_drv.c index 5703277c6f52..0ba88e5472a9 100644 --- a/drivers/gpu/drm/udl/udl_drv.c +++ b/drivers/gpu/drm/udl/udl_drv.c @@ -32,6 +32,16 @@ static int udl_usb_resume(struct usb_interface *interface) return drm_mode_config_helper_resume(dev); } +static int udl_usb_reset_resume(struct usb_interface *interface) +{ + struct drm_device *dev = usb_get_intfdata(interface); + struct udl_device *udl = to_udl(dev); + + udl_select_std_channel(udl); + + return drm_mode_config_helper_resume(dev); +} + /* * FIXME: Dma-buf sharing requires DMA support by the importing device. * This function is a workaround to make USB devices work as well. @@ -140,6 +150,7 @@ static struct usb_driver udl_driver = { .disconnect = udl_usb_disconnect, .suspend = udl_usb_suspend, .resume = udl_usb_resume, + .reset_resume = udl_usb_reset_resume, .id_table = id_table, }; module_usb_driver(udl_driver); |