From 252d31ea73156a17d2b19ec5dba7baac4cd7b1b6 Mon Sep 17 00:00:00 2001
From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Mon, 23 Mar 2020 15:49:49 +0100
Subject: drm/udl: drop drm_driver.release hook
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Git-commit: b1a981bd55767123d3c34626c41d18d3c7cd7c14
Patch-mainline: v5.8-rc1
References: jsc#SLE-12680, jsc#SLE-12880, jsc#SLE-12882, jsc#SLE-12883, jsc#SLE-13496, jsc#SLE-15322
There's only two functions called from that:
drm_kms_helper_poll_fini() and udl_free_urb_list(). Both of these are
also called from the ubs_driver->disconnect hook, so entirely
pointless to do the same again in the ->release hook.
Furthermore by the time we clean up the drm_driver we really shouldn't
be touching hardware anymore, so stopping the poll worker and freeing
the urb allocations in ->disconnect is the right thing to do.
Now disconnect still cleans things up before unregistering the driver,
but that's a different issue.
v2: Use _fini, not _disable in unplug, motivated by discussions with
Thomas. _disable/_enable are for suspend/resume.
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: Dave Airlie <airlied@redhat.com>
Cc: Sean Paul <sean@poorly.run>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: Emil Velikov <emil.l.velikov@gmail.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: "Noralf Trønnes" <noralf@tronnes.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200323144950.3018436-51-daniel.vetter@ffwll.ch
Signed-off-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/udl/udl_drv.c | 8 +-------
drivers/gpu/drm/udl/udl_drv.h | 1 -
drivers/gpu/drm/udl/udl_main.c | 10 ----------
3 files changed, 1 insertion(+), 18 deletions(-)
diff --git a/drivers/gpu/drm/udl/udl_drv.c b/drivers/gpu/drm/udl/udl_drv.c
index b447fb053e78..1ce2d865c36d 100644
--- a/drivers/gpu/drm/udl/udl_drv.c
+++ b/drivers/gpu/drm/udl/udl_drv.c
@@ -34,14 +34,8 @@ static int udl_usb_resume(struct usb_interface *interface)
DEFINE_DRM_GEM_FOPS(udl_driver_fops);
-static void udl_driver_release(struct drm_device *dev)
-{
- udl_fini(dev);
-}
-
static struct drm_driver driver = {
.driver_features = DRIVER_ATOMIC | DRIVER_GEM | DRIVER_MODESET,
- .release = udl_driver_release,
/* gem hooks */
.gem_create_object = udl_driver_gem_create_object,
@@ -120,7 +114,7 @@ static void udl_usb_disconnect(struct usb_interface *interface)
{
struct drm_device *dev = usb_get_intfdata(interface);
- drm_kms_helper_poll_disable(dev);
+ drm_kms_helper_poll_fini(dev);
udl_drop_usb(dev);
drm_dev_unplug(dev);
drm_dev_put(dev);
diff --git a/drivers/gpu/drm/udl/udl_drv.h b/drivers/gpu/drm/udl/udl_drv.h
index 1de7eb1b6aac..2642f94a63fc 100644
--- a/drivers/gpu/drm/udl/udl_drv.h
+++ b/drivers/gpu/drm/udl/udl_drv.h
@@ -76,7 +76,6 @@ int udl_submit_urb(struct drm_device *dev, struct urb *urb, size_t len);
void udl_urb_completion(struct urb *urb);
int udl_init(struct udl_device *udl);
-void udl_fini(struct drm_device *dev);
int udl_render_hline(struct drm_device *dev, int log_bpp, struct urb **urb_ptr,
const char *front, char **urb_buf_ptr,
diff --git a/drivers/gpu/drm/udl/udl_main.c b/drivers/gpu/drm/udl/udl_main.c
index 538718919916..f5d27f2a5654 100644
--- a/drivers/gpu/drm/udl/udl_main.c
+++ b/drivers/gpu/drm/udl/udl_main.c
@@ -351,13 +351,3 @@ int udl_drop_usb(struct drm_device *dev)
udl_free_urb_list(dev);
return 0;
}
-
-void udl_fini(struct drm_device *dev)
-{
- struct udl_device *udl = to_udl(dev);
-
- drm_kms_helper_poll_fini(dev);
-
- if (udl->urbs.count)
- udl_free_urb_list(dev);
-}
--
2.28.0