diff options
| author | Rob Clark <[email protected]> | 2025-06-29 20:13:05 +0000 |
|---|---|---|
| committer | Rob Clark <[email protected]> | 2025-07-05 00:48:36 +0000 |
| commit | feb8ef4636a457a1fd916a3ae575f552935e69b9 (patch) | |
| tree | e8a5ad9c03613d716cc68aba1d6bad6ef2db316a /drivers/gpu/drm/msm/msm_gem.c | |
| parent | drm/msm: Lazily create context VM (diff) | |
| download | kernel-feb8ef4636a457a1fd916a3ae575f552935e69b9.tar.gz kernel-feb8ef4636a457a1fd916a3ae575f552935e69b9.zip | |
drm/msm: Add opt-in for VM_BIND
Add a SET_PARAM for userspace to request to manage to the VM itself,
instead of getting a kernel managed VM.
In order to transition to a userspace managed VM, this param must be set
before any mappings are created.
Signed-off-by: Rob Clark <[email protected]>
Signed-off-by: Rob Clark <[email protected]>
Tested-by: Antonino Maniscalco <[email protected]>
Reviewed-by: Antonino Maniscalco <[email protected]>
Patchwork: https://patchwork.freedesktop.org/patch/661494/
Diffstat (limited to 'drivers/gpu/drm/msm/msm_gem.c')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_gem.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c index 186d160b74de..d16d3012434a 100644 --- a/drivers/gpu/drm/msm/msm_gem.c +++ b/drivers/gpu/drm/msm/msm_gem.c @@ -82,6 +82,14 @@ static void msm_gem_close(struct drm_gem_object *obj, struct drm_file *file) return; /* + * VM_BIND does not depend on implicit teardown of VMAs on handle + * close, but instead on implicit teardown of the VM when the device + * is closed (see msm_gem_vm_close()) + */ + if (msm_context_is_vmbind(ctx)) + return; + + /* * TODO we might need to kick this to a queue to avoid blocking * in CLOSE ioctl */ |