diff options
| author | Jordan Crouse <jcrouse@codeaurora.org> | 2020-08-17 15:01:40 -0700 |
|---|---|---|
| committer | Rob Clark <robdclark@chromium.org> | 2020-09-12 10:48:32 -0700 |
| commit | 933415e24bd0dcb29f837040df20e677626054f8 (patch) | |
| tree | 6d9c225dcd9da6425ddee05c6a272e43e0c8f736 /drivers/gpu/drm/msm/msm_gpu.c | |
| parent | b145c6e65eb05e123097d726aa9d4f5b8f11c401 (diff) | |
drm/msm: Add support for private address space instances
Add support for allocating private address space instances. Targets that
support per-context pagetables should implement their own function to
allocate private address spaces.
The default will return a pointer to the global address space.
Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Diffstat (limited to 'drivers/gpu/drm/msm/msm_gpu.c')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_gpu.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/msm_gpu.c b/drivers/gpu/drm/msm/msm_gpu.c index d1be34514983..9455c0b713e4 100644 --- a/drivers/gpu/drm/msm/msm_gpu.c +++ b/drivers/gpu/drm/msm/msm_gpu.c @@ -827,6 +827,28 @@ static int get_clocks(struct platform_device *pdev, struct msm_gpu *gpu) return 0; } +/* Return a new address space for a msm_drm_private instance */ +struct msm_gem_address_space * +msm_gpu_create_private_address_space(struct msm_gpu *gpu) +{ + struct msm_gem_address_space *aspace = NULL; + + if (!gpu) + return NULL; + + /* + * If the target doesn't support private address spaces then return + * the global one + */ + if (gpu->funcs->create_private_address_space) + aspace = gpu->funcs->create_private_address_space(gpu); + + if (IS_ERR_OR_NULL(aspace)) + aspace = msm_gem_address_space_get(gpu->aspace); + + return aspace; +} + int msm_gpu_init(struct drm_device *drm, struct platform_device *pdev, struct msm_gpu *gpu, const struct msm_gpu_funcs *funcs, const char *name, struct msm_gpu_config *config) |