diff options
| author | Christian König <christian.koenig@amd.com> | 2015-06-29 17:12:20 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2015-06-29 15:52:50 -0400 |
| commit | fc220f6580be80c36dfba9964b2fd71ceb1d3d97 (patch) | |
| tree | 3fa7493a0e38ec4bac89abbf30c75706f3883026 | |
| parent | 2b48d323b26c37555df3447e11ab9e962eccdc26 (diff) | |
drm/amdgpu: add flag to delay VM updates
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 6 | ||||
| -rw-r--r-- | include/uapi/drm/amdgpu_drm.h | 3 |
2 files changed, 6 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c index c3ea3635e1fc..975edb1000a2 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c @@ -525,8 +525,8 @@ int amdgpu_gem_va_ioctl(struct drm_device *dev, void *data, return -EINVAL; } - invalid_flags = ~(AMDGPU_VM_PAGE_READABLE | AMDGPU_VM_PAGE_WRITEABLE | - AMDGPU_VM_PAGE_EXECUTABLE); + invalid_flags = ~(AMDGPU_VM_DELAY_UPDATE | AMDGPU_VM_PAGE_READABLE | + AMDGPU_VM_PAGE_WRITEABLE | AMDGPU_VM_PAGE_EXECUTABLE); if ((args->flags & invalid_flags)) { dev_err(&dev->pdev->dev, "invalid flags 0x%08X vs 0x%08X\n", args->flags, invalid_flags); @@ -579,7 +579,7 @@ int amdgpu_gem_va_ioctl(struct drm_device *dev, void *data, break; } - if (!r) + if (!r && !(args->flags & AMDGPU_VM_DELAY_UPDATE)) amdgpu_gem_va_update_vm(adev, bo_va); drm_gem_object_unreference_unlocked(gobj); diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h index 8edf10420361..b6fce900a833 100644 --- a/include/uapi/drm/amdgpu_drm.h +++ b/include/uapi/drm/amdgpu_drm.h @@ -313,6 +313,9 @@ struct drm_amdgpu_gem_op { #define AMDGPU_VA_OP_MAP 1 #define AMDGPU_VA_OP_UNMAP 2 +/* Delay the page table update till the next CS */ +#define AMDGPU_VM_DELAY_UPDATE (1 << 0) + /* Mapping flags */ /* readable mapping */ #define AMDGPU_VM_PAGE_READABLE (1 << 1) |