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authorThomas Zimmermann <tzimmermann@suse.de>2023-10-11 09:50:59 +0200
committerThomas Zimmermann <tzimmermann@suse.de>2023-10-11 09:50:59 +0200
commit57390019b68b83f96eb98f490367b9df1f2d77cb (patch)
treee6d4b6c75efdd2d7fb7d37f980688c491be3ff6a /drivers/gpu/drm/drm_atomic.c
parente5f9d543419c78ac58f3b3557bc5a76b20ff600b (diff)
parent389af786f92ecdff35883551d54bf4e507ffcccb (diff)
Merge drm/drm-next into drm-misc-next
Updating drm-misc-next to the state of Linux v6.6-rc2. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Diffstat (limited to 'drivers/gpu/drm/drm_atomic.c')
-rw-r--r--drivers/gpu/drm/drm_atomic.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
index affce6a8851f..f1a503aafe5a 100644
--- a/drivers/gpu/drm/drm_atomic.c
+++ b/drivers/gpu/drm/drm_atomic.c
@@ -140,6 +140,12 @@ drm_atomic_state_init(struct drm_device *dev, struct drm_atomic_state *state)
if (!state->planes)
goto fail;
+ /*
+ * Because drm_atomic_state can be committed asynchronously we need our
+ * own reference and cannot rely on the on implied by drm_file in the
+ * ioctl call.
+ */
+ drm_dev_get(dev);
state->dev = dev;
drm_dbg_atomic(dev, "Allocated atomic state %p\n", state);
@@ -299,7 +305,8 @@ EXPORT_SYMBOL(drm_atomic_state_clear);
void __drm_atomic_state_free(struct kref *ref)
{
struct drm_atomic_state *state = container_of(ref, typeof(*state), ref);
- struct drm_mode_config *config = &state->dev->mode_config;
+ struct drm_device *dev = state->dev;
+ struct drm_mode_config *config = &dev->mode_config;
drm_atomic_state_clear(state);
@@ -311,6 +318,8 @@ void __drm_atomic_state_free(struct kref *ref)
drm_atomic_state_default_release(state);
kfree(state);
}
+
+ drm_dev_put(dev);
}
EXPORT_SYMBOL(__drm_atomic_state_free);