diff options
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_drv.h')
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_drv.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h index 366dcfc1f9bb..7c935c72d368 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h @@ -86,6 +86,15 @@ struct vmw_fpriv { bool gb_aware; /* user-space is guest-backed aware */ }; +/** + * struct vmw_buffer_object - TTM buffer object with vmwgfx additions + * @base: The TTM buffer object + * @res_list: List of resources using this buffer object as a backing MOB + * @pin_count: pin depth + * @dx_query_ctx: DX context if this buffer object is used as a DX query MOB + * @map: Kmap object for semi-persistent mappings + * @res_prios: Eviction priority counts for attached resources + */ struct vmw_buffer_object { struct ttm_buffer_object base; struct list_head res_list; @@ -94,6 +103,7 @@ struct vmw_buffer_object { struct vmw_resource *dx_query_ctx; /* Protected by reservation */ struct ttm_bo_kmap_obj map; + u32 res_prios[TTM_MAX_BO_PRIORITY]; }; /** @@ -145,6 +155,7 @@ struct vmw_resource { struct kref kref; struct vmw_private *dev_priv; int id; + u32 used_prio; unsigned long backup_size; bool res_dirty; bool backup_dirty; @@ -709,6 +720,19 @@ extern void vmw_query_move_notify(struct ttm_buffer_object *bo, extern int vmw_query_readback_all(struct vmw_buffer_object *dx_query_mob); extern void vmw_resource_evict_all(struct vmw_private *dev_priv); extern void vmw_resource_unbind_list(struct vmw_buffer_object *vbo); +void vmw_resource_mob_attach(struct vmw_resource *res); +void vmw_resource_mob_detach(struct vmw_resource *res); + +/** + * vmw_resource_mob_attached - Whether a resource currently has a mob attached + * @res: The resource + * + * Return: true if the resource has a mob attached, false otherwise. + */ +static inline bool vmw_resource_mob_attached(const struct vmw_resource *res) +{ + return !list_empty(&res->mob_head); +} /** * vmw_user_resource_noref_release - release a user resource pointer looked up @@ -787,6 +811,54 @@ static inline void vmw_user_bo_noref_release(void) ttm_base_object_noref_release(); } +/** + * vmw_bo_adjust_prio - Adjust the buffer object eviction priority + * according to attached resources + * @vbo: The struct vmw_buffer_object + */ +static inline void vmw_bo_prio_adjust(struct vmw_buffer_object *vbo) +{ + int i = ARRAY_SIZE(vbo->res_prios); + + while (i--) { + if (vbo->res_prios[i]) { + vbo->base.priority = i; + return; + } + } + + vbo->base.priority = 3; +} + +/** + * vmw_bo_prio_add - Notify a buffer object of a newly attached resource + * eviction priority + * @vbo: The struct vmw_buffer_object + * @prio: The resource priority + * + * After being notified, the code assigns the highest resource eviction priority + * to the backing buffer object (mob). + */ +static inline void vmw_bo_prio_add(struct vmw_buffer_object *vbo, int prio) +{ + if (vbo->res_prios[prio]++ == 0) + vmw_bo_prio_adjust(vbo); +} + +/** + * vmw_bo_prio_del - Notify a buffer object of a resource with a certain + * priority being removed + * @vbo: The struct vmw_buffer_object + * @prio: The resource priority + * + * After being notified, the code assigns the highest resource eviction priority + * to the backing buffer object (mob). + */ +static inline void vmw_bo_prio_del(struct vmw_buffer_object *vbo, int prio) +{ + if (--vbo->res_prios[prio] == 0) + vmw_bo_prio_adjust(vbo); +} /** * Misc Ioctl functionality - vmwgfx_ioctl.c |