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5ab5e4e60a
Clang warns:
../drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:2520:42:
error: implicit conversion from enumeration type 'enum transmitter' to
different enumeration type 'enum physical_phy_id'
[-Werror,-Wenum-conversion]
psr_context->smuPhyId = link->link_enc->transmitter;
~ ~~~~~~~~~~~~~~~~^~~~~~~~~~~
1 error generated.
As the comment above this assignment states, this is intentional. To
match previous warnings of this nature, add a conversion function that
explicitly converts between the enums and warns when there is a
mismatch.
See commit 828cfa2909 ("drm/amdgpu: Fix amdgpu ras to ta enums
conversion") and commit d9ec5cfd5a ("drm/amd/display: Use switch table
for dc_to_smu_clock_type") for previous examples of this.
v2: use PHYLD_UNKNOWN for the default case.
Fixes: e0d08a40a6 ("drm/amd/display: Add debugfs entry for reading psr state")
Link: https://github.com/ClangBuiltLinux/linux/issues/758
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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.