diff options
| author |   Jordan Crouse <jcrouse@codeaurora.org> | 2020-05-22 16:03:15 -0600 |
|---|---|---|
| committer |   Rob Clark <robdclark@chromium.org> | 2020-05-23 13:38:16 -0700 |
| commit | ccac7ce373c1b5175bcf733fe6223129b8975788 (patch) | |
| tree | 62f147168606dc3ce30287b4a6d7ca7ce8cb3370 /drivers/gpu/drm/msm/adreno/adreno_gpu.h | |
| parent | drm/msm: Attach the IOMMU device during initialization (diff) | |
| download | linux-dev-ccac7ce373c1b5175bcf733fe6223129b8975788.tar.xz linux-dev-ccac7ce373c1b5175bcf733fe6223129b8975788.zip | |
drm/msm: Refactor address space initialization
Refactor how address space initialization works. Instead of having the
address space function create the MMU object (and thus require separate but
equal functions for gpummu and iommu) use a single function and pass the
MMU struct in. Make the generic code cleaner by using target specific
functions to create the address space so a2xx can do its own thing in its
own space. For all the other targets use a generic helper to initialize
IOMMU but leave the door open for newer targets to use customization
if they need it.
Reviewed-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
Tested-by: Shawn Guo <shawn.guo@linaro.org>
[squash in rebase fixups]
Signed-off-by: Rob Clark <robdclark@chromium.org>
Diffstat (limited to 'drivers/gpu/drm/msm/adreno/adreno_gpu.h')
| -rw-r--r-- | drivers/gpu/drm/msm/adreno/adreno_gpu.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.h b/drivers/gpu/drm/msm/adreno/adreno_gpu.h index dea97c8317e0..2f5d2c3acc3a 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.h +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.h @@ -288,6 +288,14 @@ int adreno_gpu_state_get(struct msm_gpu *gpu, struct msm_gpu_state *state); int adreno_gpu_state_put(struct msm_gpu_state *state); /* + * Common helper function to initialize the default address space for arm-smmu + * attached targets + */ +struct msm_gem_address_space * +adreno_iommu_create_address_space(struct msm_gpu *gpu, + struct platform_device *pdev); + +/* * For a5xx and a6xx targets load the zap shader that is used to pull the GPU * out of secure mode */ |