drm/amdgpu: increase IH ring buffer size to avoid overflow
authorRoger.He <Hongbo.He@amd.com>
Tue, 14 Mar 2017 08:47:30 +0000 (16:47 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Thu, 30 Mar 2017 03:53:53 +0000 (23:53 -0400)
commit8fb6e528c399e54e5e2621d71a1037ab8ed89478
tree9ff38110792a3d4cb9bcf85d2b4c3b98306a534d
parentd2d51d8192f1e42a9351ab4d82f85f0c79e1780d
drm/amdgpu: increase IH ring buffer size to avoid overflow

We originally limited the IH to 4k on tonga since it
uses bus addresses directly rather than GPU MC addresses,
so it needs contigous physical memory.  This brings it
inline with other asics.

Signed-off-by: Roger.He <Hongbo.He@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/tonga_ih.c