diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon.h')
-rw-r--r-- | drivers/gpu/drm/radeon/radeon.h | 53 |
1 files changed, 49 insertions, 4 deletions
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index b316b301152f..8227e76b5c70 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -611,7 +611,8 @@ struct radeon_cs_parser { struct radeon_ib *ib; void *track; unsigned family; - int parser_error; + int parser_error; + bool keep_tiling_flags; }; extern int radeon_cs_update_pages(struct radeon_cs_parser *p, int pg_idx); @@ -784,8 +785,7 @@ struct radeon_pm_clock_info { struct radeon_power_state { enum radeon_pm_state_type type; - /* XXX: use a define for num clock modes */ - struct radeon_pm_clock_info clock_info[8]; + struct radeon_pm_clock_info *clock_info; /* number of valid clock modes in this power state */ int num_clock_modes; struct radeon_pm_clock_info *default_clock_mode; @@ -855,6 +855,9 @@ struct radeon_pm { struct device *int_hwmon_dev; }; +int radeon_pm_get_type_index(struct radeon_device *rdev, + enum radeon_pm_state_type ps_type, + int instance); /* * Benchmarking @@ -1142,6 +1145,48 @@ struct r600_vram_scratch { u64 gpu_addr; }; + +/* + * Mutex which allows recursive locking from the same process. + */ +struct radeon_mutex { + struct mutex mutex; + struct task_struct *owner; + int level; +}; + +static inline void radeon_mutex_init(struct radeon_mutex *mutex) +{ + mutex_init(&mutex->mutex); + mutex->owner = NULL; + mutex->level = 0; +} + +static inline void radeon_mutex_lock(struct radeon_mutex *mutex) +{ + if (mutex_trylock(&mutex->mutex)) { + /* The mutex was unlocked before, so it's ours now */ + mutex->owner = current; + } else if (mutex->owner != current) { + /* Another process locked the mutex, take it */ + mutex_lock(&mutex->mutex); + mutex->owner = current; + } + /* Otherwise the mutex was already locked by this process */ + + mutex->level++; +} + +static inline void radeon_mutex_unlock(struct radeon_mutex *mutex) +{ + if (--mutex->level > 0) + return; + + mutex->owner = NULL; + mutex_unlock(&mutex->mutex); +} + + /* * Core structure, functions and helpers. */ @@ -1197,7 +1242,7 @@ struct radeon_device { struct radeon_gem gem; struct radeon_pm pm; uint32_t bios_scratch[RADEON_BIOS_NUM_SCRATCH]; - struct mutex cs_mutex; + struct radeon_mutex cs_mutex; struct radeon_wb wb; struct radeon_dummy_page dummy_page; bool gpu_lockup; |