diff options
| author | Andres Rodriguez <andresx7@gmail.com> | 2017-04-13 13:55:41 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-05-31 16:48:49 -0400 |
| commit | 8ae0d2b8a03dc44d72dd3cccb2a78ec89518bebf (patch) | |
| tree | 8d20dace7ea9fab016950c9fa28668f7f9722d32 /drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c | |
| parent | 97bf47b21d593c92d8c89be159afccb5d6562279 (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>
Signed-off-by: Andres Rodriguez <andresx7@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c')
| -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); |