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drm/amdgpu: increase IH ring buffer size to avoid overflow

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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>
This commit is contained in:
Roger.He 2017-03-14 16:47:30 +08:00 committed by Alex Deucher
parent d2d51d8192
commit 8fb6e528c3
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/amdgpu/tonga_ih.c
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@ -289,7 +289,7 @@ static int tonga_ih_sw_init(void *handle)
int r;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
r = amdgpu_ih_ring_init(adev, 4 * 1024, true);
r = amdgpu_ih_ring_init(adev, 64 * 1024, true);
if (r)
return r;