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drm/tegra: Fixes for v5.13-rc5

Browse source 
The most important change here fixes a race condition that causes either
 HDA or (more frequently) display to malfunction because they race for
 enabling the SOR power domain at probe time.
 
 Other than that, there's a couple of build warnings for issues
 introduced in v5.13 as well as some minor fixes, such as reference leak
 plugs.
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Merge tag 'drm/tegra/for-5.13-rc5' of ssh://git.freedesktop.org/git/tegra/linux into drm-fixes

drm/tegra: Fixes for v5.13-rc5

The most important change here fixes a race condition that causes either
HDA or (more frequently) display to malfunction because they race for
enabling the SOR power domain at probe time.

Other than that, there's a couple of build warnings for issues
introduced in v5.13 as well as some minor fixes, such as reference leak
plugs.

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Thierry Reding <thierry.reding@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210603144624.788861-1-thierry.reding@gmail.com
This commit is contained in:
Dave Airlie 2021-06-04 10:23:23 +10:00
commit 37e2f2e800
5 changed files with 92 additions and 42 deletions
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30
include/linux/host1x.h
View file

@ -332,12 +332,30 @@ static inline struct host1x_device *to_host1x_device(struct device *dev)
int host1x_device_init(struct host1x_device *device);
int host1x_device_exit(struct host1x_device *device);
int __host1x_client_register(struct host1x_client *client,
struct lock_class_key *key);
#define host1x_client_register(class) \
({ \
static struct lock_class_key __key; \
__host1x_client_register(class, &__key); \
void __host1x_client_init(struct host1x_client *client, struct lock_class_key *key);
void host1x_client_exit(struct host1x_client *client);
#define host1x_client_init(client) \
({ \
static struct lock_class_key __key; \
__host1x_client_init(client, &__key); \
})
int __host1x_client_register(struct host1x_client *client);
/*
* Note that this wrapper calls __host1x_client_init() for compatibility
* with existing callers. Callers that want to separately initialize and
* register a host1x client must first initialize using either of the
* __host1x_client_init() or host1x_client_init() functions and then use
* the low-level __host1x_client_register() function to avoid the client
* getting reinitialized.
*/
#define host1x_client_register(client) \
({ \
static struct lock_class_key __key; \
__host1x_client_init(client, &__key); \
__host1x_client_register(client); \
})
int host1x_client_unregister(struct host1x_client *client);