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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> | 2018-03-01 12:04:17 -0500 |
| commit | 9c5c71bbed4132a3a5f200064914db768c88302a (patch) | |
| tree | 11dba6d0c3fca2c45d4bb8ed9ba4b724084ea069 /drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c | |
| parent | a22144a58f784265fe8140724a7390443f63ef53 (diff) | |
| download | linux-9c5c71bbed4132a3a5f200064914db768c88302a.tar.bz2 | |
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 'drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c')
| -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 e223b0f6417b..d5f526f38e50 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c @@ -484,7 +484,7 @@ 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++) { |