drm/vmwgfx: Introduce a pin count to allow for recursive pinning v2
v2: Fix dma buffer validation on resource pinning.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
index 5d04859..12eaa6c 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
@@ -85,6 +85,7 @@
struct vmw_dma_buffer {
struct ttm_buffer_object base;
struct list_head res_list;
+ s32 pin_count;
};
/**
@@ -358,7 +359,7 @@
uint32_t *cmd_bounce;
uint32_t cmd_bounce_size;
struct list_head resource_list;
- struct ttm_buffer_object *cur_query_bo;
+ struct vmw_dma_buffer *cur_query_bo;
struct list_head res_relocations;
uint32_t *buf_start;
struct vmw_res_cache_entry res_cache[vmw_res_max];
@@ -533,8 +534,8 @@
* are protected by the cmdbuf mutex.
*/
- struct ttm_buffer_object *dummy_query_bo;
- struct ttm_buffer_object *pinned_bo;
+ struct vmw_dma_buffer *dummy_query_bo;
+ struct vmw_dma_buffer *pinned_bo;
uint32_t query_cid;
uint32_t query_cid_valid;
bool dummy_query_bo_pinned;
@@ -700,25 +701,25 @@
/**
* DMA buffer helper routines - vmwgfx_dmabuf.c
*/
-extern int vmw_dmabuf_to_placement(struct vmw_private *vmw_priv,
- struct vmw_dma_buffer *bo,
- struct ttm_placement *placement,
- bool interruptible);
-extern int vmw_dmabuf_to_vram(struct vmw_private *dev_priv,
- struct vmw_dma_buffer *buf,
- bool pin, bool interruptible);
-extern int vmw_dmabuf_to_vram_or_gmr(struct vmw_private *dev_priv,
- struct vmw_dma_buffer *buf,
- bool pin, bool interruptible);
-extern int vmw_dmabuf_to_start_of_vram(struct vmw_private *vmw_priv,
+extern int vmw_dmabuf_pin_in_placement(struct vmw_private *vmw_priv,
struct vmw_dma_buffer *bo,
- bool pin, bool interruptible);
+ struct ttm_placement *placement,
+ bool interruptible);
+extern int vmw_dmabuf_pin_in_vram(struct vmw_private *dev_priv,
+ struct vmw_dma_buffer *buf,
+ bool interruptible);
+extern int vmw_dmabuf_pin_in_vram_or_gmr(struct vmw_private *dev_priv,
+ struct vmw_dma_buffer *buf,
+ bool interruptible);
+extern int vmw_dmabuf_pin_in_start_of_vram(struct vmw_private *vmw_priv,
+ struct vmw_dma_buffer *bo,
+ bool interruptible);
extern int vmw_dmabuf_unpin(struct vmw_private *vmw_priv,
struct vmw_dma_buffer *bo,
bool interruptible);
extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf,
SVGAGuestPtr *ptr);
-extern void vmw_bo_pin(struct ttm_buffer_object *bo, bool pin);
+extern void vmw_bo_pin_reserved(struct vmw_dma_buffer *bo, bool pin);
/**
* Misc Ioctl functionality - vmwgfx_ioctl.c