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Linux kernel source tree
357fe94b66
Introduce a kernel-internal TTM placement type AMDGPU_PL_MMIO_REMAP
for the HDP flush MMIO remap page
Plumbing added:
- amdgpu_res_cursor.{first,next}: treat MMIO_REMAP like DOORBELL
- amdgpu_ttm_io_mem_reserve(): return BAR bus address + offset
for MMIO_REMAP, mark as uncached I/O
- amdgpu_ttm_io_mem_pfn(): PFN from register BAR
- amdgpu_res_cpu_visible(): visible to CPU
- amdgpu_evict_flags()/amdgpu_bo_move(): non-migratable
- amdgpu_ttm_tt_pde_flags(): map as SYSTEM
- amdgpu_bo_mem_stats_placement(): report AMDGPU_PL_MMIO_REMAP
- amdgpu_fdinfo: print “mmioremap” bucket label
Cc: Alex Deucher <alexander.deucher@amd.com>
Suggested-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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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 reStructuredText 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.