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0a48db562c
The function iommu_domain_alloc returns NULL on platforms without IOMMU
such as msm8974. This resulted in PTR_ERR(-ENODEV) being assigned to
gpu->aspace so the correct code path wasn't taken.
Fixes: ccac7ce373 ("drm/msm: Refactor address space initialization")
Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Reviewed-by: Jordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.