diff options
Diffstat (limited to 'drivers/gpu/drm/mgag200/mgag200_drv.h')
| -rw-r--r-- | drivers/gpu/drm/mgag200/mgag200_drv.h | 44 |
1 files changed, 41 insertions, 3 deletions
diff --git a/drivers/gpu/drm/mgag200/mgag200_drv.h b/drivers/gpu/drm/mgag200/mgag200_drv.h index bf29b2f4d68d..12e2499d9352 100644 --- a/drivers/gpu/drm/mgag200/mgag200_drv.h +++ b/drivers/gpu/drm/mgag200/mgag200_drv.h @@ -149,6 +149,21 @@ struct mga_connector { struct mga_i2c_chan *i2c; }; +struct mga_cursor { + /* + We have to have 2 buffers for the cursor to avoid occasional + corruption while switching cursor icons. + If either of these is NULL, then don't do hardware cursors, and + fall back to software. + */ + struct mgag200_bo *pixels_1; + struct mgag200_bo *pixels_2; + u64 pixels_1_gpu_addr, pixels_2_gpu_addr; + /* The currently displayed icon, this points to one of pixels_1, or pixels_2 */ + struct mgag200_bo *pixels_current; + /* The previously displayed icon */ + struct mgag200_bo *pixels_prev; +}; struct mga_mc { resource_size_t vram_size; @@ -181,6 +196,7 @@ struct mga_device { struct mga_mode_info mode_info; struct mga_fbdev *mfbdev; + struct mga_cursor cursor; bool suspended; int num_crtc; @@ -198,7 +214,8 @@ struct mga_device { struct ttm_bo_device bdev; } ttm; - u32 reg_1e24; /* SE model number */ + /* SE model number stored in reg 0x1e24 */ + u32 unique_rev_id; }; @@ -263,8 +280,24 @@ void mgag200_i2c_destroy(struct mga_i2c_chan *i2c); #define DRM_FILE_PAGE_OFFSET (0x100000000ULL >> PAGE_SHIFT) void mgag200_ttm_placement(struct mgag200_bo *bo, int domain); -int mgag200_bo_reserve(struct mgag200_bo *bo, bool no_wait); -void mgag200_bo_unreserve(struct mgag200_bo *bo); +static inline int mgag200_bo_reserve(struct mgag200_bo *bo, bool no_wait) +{ + int ret; + + ret = ttm_bo_reserve(&bo->bo, true, no_wait, false, 0); + if (ret) { + if (ret != -ERESTARTSYS && ret != -EBUSY) + DRM_ERROR("reserve failed %p\n", bo); + return ret; + } + return 0; +} + +static inline void mgag200_bo_unreserve(struct mgag200_bo *bo) +{ + ttm_bo_unreserve(&bo->bo); +} + int mgag200_bo_create(struct drm_device *dev, int size, int align, uint32_t flags, struct mgag200_bo **pastbo); int mgag200_mm_init(struct mga_device *mdev); @@ -273,4 +306,9 @@ int mgag200_mmap(struct file *filp, struct vm_area_struct *vma); int mgag200_bo_pin(struct mgag200_bo *bo, u32 pl_flag, u64 *gpu_addr); int mgag200_bo_unpin(struct mgag200_bo *bo); int mgag200_bo_push_sysram(struct mgag200_bo *bo); + /* mgag200_cursor.c */ +int mga_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv, + uint32_t handle, uint32_t width, uint32_t height); +int mga_crtc_cursor_move(struct drm_crtc *crtc, int x, int y); + #endif /* __MGAG200_DRV_H__ */ |