vmwgfx: Handle device surface memory limit
Make surfaces swappable. Make sure we honor the maximum amount of surface
memory the device accepts. This is done by potentially reading back surface
contents not used by the current command submission and storing it
locally in buffer objects.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
index 75e6d10..ee564f0 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
@@ -79,6 +79,7 @@
int id;
enum ttm_object_type res_type;
bool avail;
+ void (*remove_from_lists) (struct vmw_resource *res);
void (*hw_destroy) (struct vmw_resource *res);
void (*res_free) (struct vmw_resource *res);
struct list_head validate_head;
@@ -99,9 +100,11 @@
};
struct vmw_framebuffer;
+struct vmw_surface_offset;
struct vmw_surface {
struct vmw_resource res;
+ struct list_head lru_head; /* Protected by the resource lock */
uint32_t flags;
uint32_t format;
uint32_t mip_levels[DRM_VMW_MAX_SURFACE_FACES];
@@ -112,6 +115,9 @@
/* TODO so far just a extra pointer */
struct vmw_cursor_snooper snooper;
+ struct ttm_buffer_object *backup;
+ struct vmw_surface_offset *offsets;
+ uint32_t backup_size;
};
struct vmw_marker_queue {
@@ -310,6 +316,16 @@
struct ttm_buffer_object *pinned_bo;
uint32_t query_cid;
bool dummy_query_bo_pinned;
+
+ /*
+ * Surface swapping. The "surface_lru" list is protected by the
+ * resource lock in order to be able to destroy a surface and take
+ * it off the lru atomically. "used_memory_size" is currently
+ * protected by the cmdbuf mutex for simplicity.
+ */
+
+ struct list_head surface_lru;
+ uint32_t used_memory_size;
};
static inline struct vmw_private *vmw_priv(struct drm_device *dev)
@@ -389,6 +405,8 @@
extern int vmw_surface_check(struct vmw_private *dev_priv,
struct ttm_object_file *tfile,
uint32_t handle, int *id);
+extern int vmw_surface_validate(struct vmw_private *dev_priv,
+ struct vmw_surface *srf);
extern void vmw_dmabuf_bo_free(struct ttm_buffer_object *bo);
extern int vmw_dmabuf_init(struct vmw_private *dev_priv,
struct vmw_dma_buffer *vmw_bo,
@@ -412,6 +430,7 @@
struct ttm_object_file *tfile,
uint32_t *inout_id,
struct vmw_resource **out);
+extern void vmw_resource_unreserve(struct list_head *list);
/**
* DMA buffer helper routines - vmwgfx_dmabuf.c
@@ -486,6 +505,7 @@
extern struct ttm_placement vmw_vram_gmr_ne_placement;
extern struct ttm_placement vmw_sys_placement;
extern struct ttm_placement vmw_evictable_placement;
+extern struct ttm_placement vmw_srf_placement;
extern struct ttm_bo_driver vmw_bo_driver;
extern int vmw_dma_quiescent(struct drm_device *dev);
@@ -508,6 +528,12 @@
vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv,
bool only_on_cid_match, uint32_t cid);
+extern int vmw_execbuf_fence_commands(struct drm_file *file_priv,
+ struct vmw_private *dev_priv,
+ struct vmw_fence_obj **p_fence,
+ uint32_t *p_handle);
+
+
/**
* IRQs and wating - vmwgfx_irq.c
*/