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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-07-31 09:31:38 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-07-31 09:31:38 +0200
commit1346e9331abe8d08c05148def1cb2cdf03085c40 (patch)
tree2cab2825e6292ec41354b5b3da7d4137f5e62941 /drivers/gpu/drm/drm_atomic.c
parent0995c95b0882ee0ed0ea1930c8918bb0899e924c (diff)
parent5d0c230f1de8c7515b6567d9afba1f196fb4e2f4 (diff)
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Merge 6.5-rc4 into char-misc-next
We need the char-misc fixes in here as well for testing. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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 2c454568a607..c277b198fa3f 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);