diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_vma_resource.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_vma_resource.h | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/i915_vma_resource.h b/drivers/gpu/drm/i915/i915_vma_resource.h index 06923d1816e7..c1864e3d0b43 100644 --- a/drivers/gpu/drm/i915/i915_vma_resource.h +++ b/drivers/gpu/drm/i915/i915_vma_resource.h @@ -52,9 +52,12 @@ struct i915_page_sizes { * @mr: The memory region of the object pointed to by the vma. * @ops: Pointer to the backend i915_vma_ops. * @private: Bind backend private info. - * @start: Offset into the address space of bind range start. - * @node_size: Size of the allocated range manager node. + * @start: Offset into the address space of bind range start. Note that + * this is after any padding that might have been allocated. + * @node_size: Size of the allocated range manager node with padding + * subtracted. * @vma_size: Bind size. + * @guard: The size of guard area preceding and trailing the bind. * @page_sizes_gtt: Resulting page sizes from the bind operation. * @bound_flags: Flags indicating binding status. * @allocated: Backend private data. TODO: Should move into @private. @@ -113,6 +116,7 @@ struct i915_vma_resource { u64 start; u64 node_size; u64 vma_size; + u32 guard; u32 page_sizes_gtt; u32 bound_flags; @@ -174,9 +178,10 @@ static inline void i915_vma_resource_put(struct i915_vma_resource *vma_res) * @mr: The memory region of the object the vma points to. * @ops: The backend ops. * @private: Bind backend private info. - * @start: Offset into the address space of bind range start. - * @node_size: Size of the allocated range manager node. + * @start: Offset into the address space of bind range start after padding. + * @node_size: Size of the allocated range manager node minus padding. * @size: Bind size. + * @guard: The size of the guard area preceding and trailing the bind. * * Initializes a vma resource allocated using i915_vma_resource_alloc(). * The reason for having separate allocate and initialize function is that @@ -195,7 +200,8 @@ static inline void i915_vma_resource_init(struct i915_vma_resource *vma_res, void *private, u64 start, u64 node_size, - u64 size) + u64 size, + u32 guard) { __i915_vma_resource_init(vma_res); vma_res->vm = vm; @@ -213,6 +219,7 @@ static inline void i915_vma_resource_init(struct i915_vma_resource *vma_res, vma_res->start = start; vma_res->node_size = node_size; vma_res->vma_size = size; + vma_res->guard = guard; } static inline void i915_vma_resource_fini(struct i915_vma_resource *vma_res) |