drm/amd/amdgpu: Add tracepoint for DMA page mapping (v4)

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This helps map DMA addresses back to physical addresses.

Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

(v2):  Added tracepoints for USERPTR, SG mappings, and
     SWIOTBL mappings.  Reformatted trace call perform
     PCI decoding internal to the trace.

(v3):  Add unmap tracepoints as well

(v4):  Move traces into separate functions

...

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Tom St Denis 2017-07-31 09:35:24 -04:00 • committed by Alex Deucher

parent dbcca4aab1

commit aca8171812

2 changed files with 106 additions and 6 deletions

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56

drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h

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56

drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c

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