diff options
| author | Andres Rodriguez <andresx7@gmail.com> | 2017-04-13 13:55:41 -0400 |
|---|---|---|
| committer | Andres Rodriguez <andresx7@gmail.com> | 2017-04-27 13:24:24 -0400 |
| commit | 0e3add3a7aea1db385022f5309256ccfe2fb17ed (patch) | |
| tree | b437e15916346bcadf0f506cbc7ac4e2221352c5 | |
| parent | a885c23b6cf26ad85a9ac22720159838cef58f8f (diff) | |
drm/amdgpu: fix kgd_hqd_load failing to update shadow_wptr
The return value from copy_form_user is 0 for the success case.
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Acked-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Andres Rodriguez <andresx7@gmail.com>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c index f9ad534696c4..8af29756a9d9 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c @@ -252,7 +252,7 @@ static int kgd_hqd_load(struct kgd_dev *kgd, void *mqd, uint32_t pipe_id, m = get_mqd(mqd); valid_wptr = copy_from_user(&shadow_wptr, wptr, sizeof(shadow_wptr)); - if (valid_wptr > 0) + if (valid_wptr == 0) m->cp_hqd_pq_wptr = shadow_wptr; acquire_queue(kgd, pipe_id, queue_id); |