diff options
| author | Tom St Denis <[email protected]> | 2018-03-01 14:39:57 +0000 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2018-03-01 17:04:17 +0000 |
| commit | 9c5c71bbed4132a3a5f200064914db768c88302a (patch) | |
| tree | 11dba6d0c3fca2c45d4bb8ed9ba4b724084ea069 /drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c | |
| parent | drm/amdgpu: try again kiq access if not in IRQ(v4) (diff) | |
| download | kernel-9c5c71bbed4132a3a5f200064914db768c88302a.tar.gz kernel-9c5c71bbed4132a3a5f200064914db768c88302a.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 <[email protected]>
Reviewed-by: Alex Deucher <[email protected]>
Reviewed-by: Christian König <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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++) { |