diff options
Diffstat (limited to 'drivers/char/drm/drmP.h')
| -rw-r--r-- | drivers/char/drm/drmP.h | 30 |
1 files changed, 25 insertions, 5 deletions
diff --git a/drivers/char/drm/drmP.h b/drivers/char/drm/drmP.h index 85d99e21e188..d494315752a2 100644 --- a/drivers/char/drm/drmP.h +++ b/drivers/char/drm/drmP.h @@ -414,6 +414,10 @@ typedef struct drm_lock_data { struct file *filp; /**< File descr of lock holder (0=kernel) */ wait_queue_head_t lock_queue; /**< Queue of blocked processes */ unsigned long lock_time; /**< Time of last lock in jiffies */ + spinlock_t spinlock; + uint32_t kernel_waiters; + uint32_t user_waiters; + int idle_has_lock; } drm_lock_data_t; /** @@ -515,12 +519,17 @@ typedef struct drm_vbl_sig { #define DRM_ATI_GART_MAIN 1 #define DRM_ATI_GART_FB 2 +#define DRM_ATI_GART_PCI 1 +#define DRM_ATI_GART_PCIE 2 +#define DRM_ATI_GART_IGP 3 + typedef struct ati_pcigart_info { int gart_table_location; - int is_pcie; + int gart_reg_if; void *addr; dma_addr_t bus_addr; drm_local_map_t mapping; + int table_size; } drm_ati_pcigart_info; /* @@ -590,6 +599,8 @@ struct drm_driver { void (*reclaim_buffers) (struct drm_device * dev, struct file * filp); void (*reclaim_buffers_locked) (struct drm_device *dev, struct file *filp); + void (*reclaim_buffers_idlelocked) (struct drm_device *dev, + struct file * filp); unsigned long (*get_map_ofs) (drm_map_t * map); unsigned long (*get_reg_ofs) (struct drm_device * dev); void (*set_version) (struct drm_device * dev, drm_set_version_t * sv); @@ -764,7 +775,7 @@ static __inline__ int drm_core_check_feature(struct drm_device *dev, } #ifdef __alpha__ -#define drm_get_pci_domain(dev) dev->hose->bus->number +#define drm_get_pci_domain(dev) dev->hose->index #else #define drm_get_pci_domain(dev) 0 #endif @@ -915,9 +926,18 @@ extern int drm_lock(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); extern int drm_unlock(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern int drm_lock_take(__volatile__ unsigned int *lock, unsigned int context); -extern int drm_lock_free(drm_device_t * dev, - __volatile__ unsigned int *lock, unsigned int context); +extern int drm_lock_take(drm_lock_data_t *lock_data, unsigned int context); +extern int drm_lock_free(drm_lock_data_t *lock_data, unsigned int context); +extern void drm_idlelock_take(drm_lock_data_t *lock_data); +extern void drm_idlelock_release(drm_lock_data_t *lock_data); + +/* + * These are exported to drivers so that they can implement fencing using + * DMA quiscent + idle. DMA quiescent usually requires the hardware lock. + */ + +extern int drm_i_have_hw_lock(struct file *filp); +extern int drm_kernel_take_hw_lock(struct file *filp); /* Buffer management support (drm_bufs.h) */ extern int drm_addbufs_agp(drm_device_t * dev, drm_buf_desc_t * request); |