drm/radeon/dpm: fix display_gap programming on rv7xx

[firefly-linux-kernel-4.4.55.git] / drivers / gpu / drm / radeon / radeon_object.h

diff --git a/drivers/gpu/drm/radeon/radeon_object.h b/drivers/gpu/drm/radeon/radeon_object.h
index e2cb80a96b5113b0e0d3b3dfa42eeeef04d75d42..91519a5622b4358b6fa82e24698427bb0278a554 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_object.h
+++ b/drivers/gpu/drm/radeon/radeon_object.h
@@ -52,7 +52,27 @@ static inline unsigned radeon_mem_type_to_domain(u32 mem_type)
        return 0;
 }
 
-int radeon_bo_reserve(struct radeon_bo *bo, bool no_intr);
+/**
+ * radeon_bo_reserve - reserve bo
+ * @bo:                bo structure
+ * @no_intr:   don't return -ERESTARTSYS on pending signal
+ *
+ * Returns:
+ * -ERESTARTSYS: A wait for the buffer to become unreserved was interrupted by
+ * a signal. Release all buffer reservations and return to user-space.
+ */
+static inline int radeon_bo_reserve(struct radeon_bo *bo, bool no_intr)
+{
+       int r;
+
+       r = ttm_bo_reserve(&bo->tbo, !no_intr, false, false, 0);
+       if (unlikely(r != 0)) {
+               if (r != -ERESTARTSYS)
+                       dev_err(bo->rdev->dev, "%p reserve failed\n", bo);
+               return r;
+       }
+       return 0;
+}
 
 static inline void radeon_bo_unreserve(struct radeon_bo *bo)
 {
@@ -78,11 +98,6 @@ static inline unsigned long radeon_bo_size(struct radeon_bo *bo)
        return bo->tbo.num_pages << PAGE_SHIFT;
 }
 
-static inline bool radeon_bo_is_reserved(struct radeon_bo *bo)
-{
-       return ttm_bo_is_reserved(&bo->tbo);
-}
-
 static inline unsigned radeon_bo_ngpu_pages(struct radeon_bo *bo)
 {
        return (bo->tbo.num_pages << PAGE_SHIFT) / RADEON_GPU_PAGE_SIZE;
@@ -128,7 +143,8 @@ extern int radeon_bo_init(struct radeon_device *rdev);
 extern void radeon_bo_fini(struct radeon_device *rdev);
 extern void radeon_bo_list_add_object(struct radeon_bo_list *lobj,
                                struct list_head *head);
-extern int radeon_bo_list_validate(struct list_head *head, int ring);
+extern int radeon_bo_list_validate(struct ww_acquire_ctx *ticket,
+                                  struct list_head *head, int ring);
 extern int radeon_bo_fbdev_mmap(struct radeon_bo *bo,
                                struct vm_area_struct *vma);
 extern int radeon_bo_set_tiling_flags(struct radeon_bo *bo,