diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c b/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c index 1a9b355dd114..17e56dcc8540 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c @@ -32,9 +32,6 @@ * and that's assures that any user process won't get access to the * kernel doorbells page */ -static DEFINE_MUTEX(doorbell_mutex); -static unsigned long doorbell_available_index[ - DIV_ROUND_UP(KFD_MAX_NUM_OF_QUEUES_PER_PROCESS, BITS_PER_LONG)] = { 0 }; #define KERNEL_DOORBELL_PASID 1 #define KFD_SIZE_OF_DOORBELL_IN_BYTES 4 @@ -170,12 +167,12 @@ u32 __iomem *kfd_get_kernel_doorbell(struct kfd_dev *kfd, BUG_ON(!kfd || !doorbell_off); - mutex_lock(&doorbell_mutex); - inx = find_first_zero_bit(doorbell_available_index, + mutex_lock(&kfd->doorbell_mutex); + inx = find_first_zero_bit(kfd->doorbell_available_index, KFD_MAX_NUM_OF_QUEUES_PER_PROCESS); - __set_bit(inx, doorbell_available_index); - mutex_unlock(&doorbell_mutex); + __set_bit(inx, kfd->doorbell_available_index); + mutex_unlock(&kfd->doorbell_mutex); if (inx >= KFD_MAX_NUM_OF_QUEUES_PER_PROCESS) return NULL; @@ -203,9 +200,9 @@ void kfd_release_kernel_doorbell(struct kfd_dev *kfd, u32 __iomem *db_addr) inx = (unsigned int)(db_addr - kfd->doorbell_kernel_ptr); - mutex_lock(&doorbell_mutex); - __clear_bit(inx, doorbell_available_index); - mutex_unlock(&doorbell_mutex); + mutex_lock(&kfd->doorbell_mutex); + __clear_bit(inx, kfd->doorbell_available_index); + mutex_unlock(&kfd->doorbell_mutex); } inline void write_kernel_doorbell(u32 __iomem *db, u32 value) |