int qxl_hw_surface_alloc(struct qxl_device *qdev,
struct qxl_bo *surf,
struct ttm_mem_reg *new_mem)
{
struct qxl_surface_cmd *cmd;
struct qxl_release *release;
int ret;
if (surf->hw_surf_alloc)
return 0;
ret = qxl_alloc_surface_release_reserved(qdev, QXL_SURFACE_CMD_CREATE,
NULL,
&release);
if (ret)
return ret;
ret = qxl_release_reserve_list(release, true);
if (ret)
return ret;
cmd = (struct qxl_surface_cmd *)qxl_release_map(qdev, release);
cmd->type = QXL_SURFACE_CMD_CREATE;
cmd->flags = QXL_SURF_FLAG_KEEP_DATA;
cmd->u.surface_create.format = surf->surf.format;
cmd->u.surface_create.width = surf->surf.width;
cmd->u.surface_create.height = surf->surf.height;
cmd->u.surface_create.stride = surf->surf.stride;
if (new_mem) {
int slot_id = surf->type == QXL_GEM_DOMAIN_VRAM ? qdev->main_mem_slot : qdev->surfaces_mem_slot;
struct qxl_memslot *slot = &(qdev->mem_slots[slot_id]);
/* TODO - need to hold one of the locks to read tbo.offset */
cmd->u.surface_create.data = slot->high_bits;
cmd->u.surface_create.data |= (new_mem->start << PAGE_SHIFT) + surf->tbo.bdev->man[new_mem->mem_type].gpu_offset;
} else
cmd->u.surface_create.data = qxl_bo_physical_address(qdev, surf, 0);
cmd->surface_id = surf->surface_id;
qxl_release_unmap(qdev, release, &cmd->release_info);
surf->surf_create = release;
/* no need to add a release to the fence for this surface bo,
since it is only released when we ask to destroy the surface
and it would never signal otherwise */
qxl_push_command_ring_release(qdev, release, QXL_CMD_SURFACE, false);
qxl_release_fence_buffer_objects(release);
surf->hw_surf_alloc = true;
spin_lock(&qdev->surf_id_idr_lock);
idr_replace(&qdev->surf_id_idr, surf, surf->surface_id);
spin_unlock(&qdev->surf_id_idr_lock);
return 0;
}
int qxl_hw_surface_dealloc(struct qxl_device *qdev,
struct qxl_bo *surf)
{
struct qxl_surface_cmd *cmd;
struct qxl_release *release;
int ret;
int id;
if (!surf->hw_surf_alloc)
return 0;
ret = qxl_alloc_surface_release_reserved(qdev, QXL_SURFACE_CMD_DESTROY,
surf->surf_create,
&release);
if (ret)
return ret;
surf->surf_create = NULL;
/* remove the surface from the idr, but not the surface id yet */
spin_lock(&qdev->surf_id_idr_lock);
idr_replace(&qdev->surf_id_idr, NULL, surf->surface_id);
spin_unlock(&qdev->surf_id_idr_lock);
surf->hw_surf_alloc = false;
id = surf->surface_id;
surf->surface_id = 0;
release->surface_release_id = id;
cmd = (struct qxl_surface_cmd *)qxl_release_map(qdev, release);
cmd->type = QXL_SURFACE_CMD_DESTROY;
cmd->surface_id = id;
qxl_release_unmap(qdev, release, &cmd->release_info);
qxl_fence_releaseable(qdev, release);
qxl_push_command_ring_release(qdev, release, QXL_CMD_SURFACE, false);
qxl_release_unreserve(qdev, release);
return 0;
}
