On Sat, Nov 21, 2020 at 03:16:15PM +0100, Christian König wrote:
Am 21.11.20 um 06:21 schrieb Andrey Grodzovsky:
Invalidate all BOs CPU mappings once device is removed.
v3: Move the code from TTM into drm_dev_unplug
Signed-off-by: Andrey Grodzovsky andrey.grodzovsky@amd.com
Reviewed-by: Christian König christian.koenig@amd.com
Was wondering for a moment whether this should be in drm_dev_unregister instead, but then it's only one part of the coin really. So
Reviewed-by: Daniel Vetter daniel.vetter@ffwll.ch
drivers/gpu/drm/drm_drv.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c index 13068fd..d550fd5 100644 --- a/drivers/gpu/drm/drm_drv.c +++ b/drivers/gpu/drm/drm_drv.c @@ -479,6 +479,9 @@ void drm_dev_unplug(struct drm_device *dev) synchronize_srcu(&drm_unplug_srcu); drm_dev_unregister(dev);
- /* Clear all CPU mappings pointing to this device */
- unmap_mapping_range(dev->anon_inode->i_mapping, 0, 0, 1); } EXPORT_SYMBOL(drm_dev_unplug);