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Ip=[165.204.84.17]; Helo=[SATLEXMB01.amd.com] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR12MB4297 X-BeenThere: amd-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Andrey Grodzovsky , daniel.vetter@ffwll.ch, michel@daenzer.net, ppaalanen@gmail.com, ckoenig.leichtzumerken@gmail.com, alexdeucher@gmail.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" Helper function to be used to invalidate all BOs CPU mappings once device is removed. Signed-off-by: Andrey Grodzovsky --- drivers/gpu/drm/ttm/ttm_bo.c | 8 ++++++-- include/drm/ttm/ttm_bo_driver.h | 7 +++++++ 2 files changed, 13 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c index c5b516f..926a365 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -1750,10 +1750,14 @@ void ttm_bo_unmap_virtual(struct ttm_buffer_object *bo) ttm_bo_unmap_virtual_locked(bo); ttm_mem_io_unlock(man); } - - EXPORT_SYMBOL(ttm_bo_unmap_virtual); +void ttm_bo_unmap_virtual_address_space(struct ttm_bo_device *bdev) +{ + unmap_mapping_range(bdev->dev_mapping, 0, 0, 1); +} +EXPORT_SYMBOL(ttm_bo_unmap_virtual_address_space); + int ttm_bo_wait(struct ttm_buffer_object *bo, bool interruptible, bool no_wait) { diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h index c9e0fd0..39ea44f 100644 --- a/include/drm/ttm/ttm_bo_driver.h +++ b/include/drm/ttm/ttm_bo_driver.h @@ -601,6 +601,13 @@ int ttm_bo_device_init(struct ttm_bo_device *bdev, void ttm_bo_unmap_virtual(struct ttm_buffer_object *bo); /** + * ttm_bo_unmap_virtual_address_space + * + * @bdev: tear down all the virtual mappings for this device + */ +void ttm_bo_unmap_virtual_address_space(struct ttm_bo_device *bdev); + +/** * ttm_bo_unmap_virtual * * @bo: tear down the virtual mappings for this BO -- 2.7.4 _______________________________________________ amd-gfx mailing list amd-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx