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| author |   Tom St Denis <tom.stdenis@amd.com> | 2018-03-01 09:39:57 -0500 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2018-03-05 15:44:37 -0500 |
| commit | a8d0fb2fa3e71d73d5cebcd0fe10e18d3b2264e9 (patch) | |
| tree | 16fd777c1129ff1fe498c388bab060db5dbf1f1c /drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c | |
| parent | Merge branch 'drm-fixes-4.16' of git://people.freedesktop.org/~agd5f/linux into drm-fixes (diff) | |
| download | linux-dev-a8d0fb2fa3e71d73d5cebcd0fe10e18d3b2264e9.tar.xz linux-dev-a8d0fb2fa3e71d73d5cebcd0fe10e18d3b2264e9.zip | |
drm/amd/amdgpu: Mask rptr as well in ring debugfs
The read/write pointers on sdma4 devices increment
beyond the ring size and should be masked. Tested
on my Ryzen 2400G.
Signed-off-by: Tom St Denis <tom.stdenis@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>
Diffstat (limited to '')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c index 13044e66dcaf..561d3312af32 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c @@ -481,7 +481,7 @@ static ssize_t amdgpu_debugfs_ring_read(struct file *f, char __user *buf, result = 0; if (*pos < 12) { - early[0] = amdgpu_ring_get_rptr(ring); + early[0] = amdgpu_ring_get_rptr(ring) & ring->buf_mask; early[1] = amdgpu_ring_get_wptr(ring) & ring->buf_mask; early[2] = ring->wptr & ring->buf_mask; for (i = *pos / 4; i < 3 && size; i++) { |