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path: root/drivers/gpu/drm/mgag200/mgag200_drv.h
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Diffstat (limited to 'drivers/gpu/drm/mgag200/mgag200_drv.h')
-rw-r--r--drivers/gpu/drm/mgag200/mgag200_drv.h44
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__ */