commit aca817181273d9c765ef61ab7674e5c8a4b727ca
author Tom St Denis <tom.stdenis@amd.com> Mon Jul 31 09:35:24 2017 -0400
committer Alex Deucher <alexander.deucher@amd.com> Thu Aug 17 15:45:59 2017 -0400
tree 11c99408e06b4a84f55c26e4bfd54a4965473707
parent dbcca4aab1b2e1983e5432cb2a1d4f5f1d8b4750

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

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