diff options
| author | Thomas Hellstrom <thellstrom@vmware.com> | 2010-05-28 13:21:57 +0400 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2010-06-01 03:37:15 +0400 |
| commit | 1925d4565888eb313cc923372da6a08bbfb3a859 (patch) | |
| tree | ef8dbcc9ba34a0b1075433147808cc56067d17c5 /drivers/gpu/drm/vmwgfx/vmwgfx_drv.h | |
| parent | 04e9e94dba3e564ce810cedab88e957dfd681b4a (diff) | |
| download | linux-1925d4565888eb313cc923372da6a08bbfb3a859.tar.xz | |
drm/vmwgfx: Add kernel throttling support. Bump minor.
The throttle_us member in the execbuf argument is now honored.
If the member is 0, no waiting for lag will occur, which
guarantees backwards compatibility with well-behaved clients.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_drv.h')
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_drv.h | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h index 356dc935ec13..9a0a82b41c3e 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h @@ -41,7 +41,7 @@ #define VMWGFX_DRIVER_DATE "20100209" #define VMWGFX_DRIVER_MAJOR 1 -#define VMWGFX_DRIVER_MINOR 0 +#define VMWGFX_DRIVER_MINOR 1 #define VMWGFX_DRIVER_PATCHLEVEL 0 #define VMWGFX_FILE_PAGE_OFFSET 0x00100000 #define VMWGFX_FIFO_STATIC_SIZE (1024*1024) @@ -102,6 +102,13 @@ struct vmw_surface { struct vmw_cursor_snooper snooper; }; +struct vmw_fence_queue { + struct list_head head; + struct timespec lag; + struct timespec lag_time; + spinlock_t lock; +}; + struct vmw_fifo_state { unsigned long reserved_size; __le32 *dynamic_buffer; @@ -115,6 +122,7 @@ struct vmw_fifo_state { uint32_t capabilities; struct mutex fifo_mutex; struct rw_semaphore rwsem; + struct vmw_fence_queue fence_queue; }; struct vmw_relocation { @@ -441,6 +449,23 @@ extern int vmw_fallback_wait(struct vmw_private *dev_priv, uint32_t sequence, bool interruptible, unsigned long timeout); +extern void vmw_update_sequence(struct vmw_private *dev_priv, + struct vmw_fifo_state *fifo_state); + + +/** + * Rudimentary fence objects currently used only for throttling - + * vmwgfx_fence.c + */ + +extern void vmw_fence_queue_init(struct vmw_fence_queue *queue); +extern void vmw_fence_queue_takedown(struct vmw_fence_queue *queue); +extern int vmw_fence_push(struct vmw_fence_queue *queue, + uint32_t sequence); +extern int vmw_fence_pull(struct vmw_fence_queue *queue, + uint32_t signaled_sequence); +extern int vmw_wait_lag(struct vmw_private *dev_priv, + struct vmw_fence_queue *queue, uint32_t us); /** * Kernel framebuffer - vmwgfx_fb.c |