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| author | Christian König <christian.koenig@amd.com> | 2019-10-01 10:02:58 +0200 |
|---|---|---|
| committer | Christian König <christian.koenig@amd.com> | 2019-10-25 11:40:28 +0200 |
| commit | 7fb03cc3e0794f00b8f154f335ad5b4eb4d78c58 (patch) | |
| tree | 9b556061a491d7eb6faf37e779cb9c81b696415c /drivers/gpu/drm/vmwgfx/vmwgfx_validation.c | |
| parent | c6a5f8daff1179a443f3bf797c0400d84a8818a0 (diff) | |
| download | lwn-7fb03cc3e0794f00b8f154f335ad5b4eb4d78c58.tar.gz lwn-7fb03cc3e0794f00b8f154f335ad5b4eb4d78c58.zip | |
drm/ttm, drm/vmwgfx: move cpu_writers handling into vmwgfx
This feature is only used by vmwgfx and superfluous for everybody else.
Signed-off-by: Christian König <christian.koenig@amd.com>
Co-developed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Tested-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/333650/
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_validation.c')
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_validation.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_validation.c b/drivers/gpu/drm/vmwgfx/vmwgfx_validation.c index f611b2290a1b..7bff3628fc54 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_validation.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_validation.c @@ -521,6 +521,9 @@ int vmw_validation_bo_validate_single(struct ttm_buffer_object *bo, }; int ret; + if (atomic_read(&vbo->cpu_writers)) + return -EBUSY; + if (vbo->pin_count > 0) return 0; |