diff options
| author | Ben Skeggs <bskeggs@redhat.com> | 2018-07-05 05:57:12 +0300 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2019-02-20 02:00:02 +0300 |
| commit | eeaf06ac1a5584e41cf289f8351e446bb131374b (patch) | |
| tree | 4bd51901b98177c13c805fd61083156f0435d75a /drivers/gpu/drm/nouveau/nouveau_drv.h | |
| parent | bfe91afaca59251fbf5d62143fdd8f740b551302 (diff) | |
| download | linux-eeaf06ac1a5584e41cf289f8351e446bb131374b.tar.xz | |
drm/nouveau/svm: initial support for shared virtual memory
This uses HMM to mirror a process' CPU page tables into a channel's page
tables, and keep them synchronised so that both the CPU and GPU are able
to access the same memory at the same virtual address.
While this code also supports Volta/Turing, it's only enabled for Pascal
GPUs currently due to channel recovery being unreliable right now on the
later GPUs.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_drv.h')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_drv.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h index 8fcff0a4800e..1326b42f75e6 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drv.h +++ b/drivers/gpu/drm/nouveau/nouveau_drv.h @@ -210,6 +210,8 @@ struct nouveau_drm { bool have_disp_power_ref; struct dev_pm_domain vga_pm_domain; + + struct nouveau_svm *svm; }; static inline struct nouveau_drm * |