Re: [PATCH v3 02/12] drm: Unamp the entire device address space on device unplug

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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@xxxxxxx>

Reviewed-by: Christian König <christian.koenig@xxxxxxx>

---
  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);

_______________________________________________
dri-devel mailing list
dri-devel@xxxxxxxxxxxxxxxxxxxxx
https://lists.freedesktop.org/mailman/listinfo/dri-devel




[Index of Archives]     [Linux DRI Users]     [Linux Intel Graphics]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [XFree86]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [XFree86]
  Powered by Linux