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| author | Nirmoy Das <nirmoy.das@amd.com> | 2020-01-09 12:07:22 +0100 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-01-16 13:35:03 -0500 |
| commit | 55414ad5c983ed708d778ea7b29e80f89750ff73 (patch) | |
| tree | 5e7934607f98c6de0f630ffbc7eb6730b581d0eb /drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | |
| parent | 8eee00f615f830c0569923ef3047cf9535f82c39 (diff) | |
| download | linux-stable-55414ad5c983ed708d778ea7b29e80f89750ff73.tar.gz linux-stable-55414ad5c983ed708d778ea7b29e80f89750ff73.tar.bz2 linux-stable-55414ad5c983ed708d778ea7b29e80f89750ff73.zip | |
drm/amdgpu: error out on entity with no run queue
Disabled HW IP's entity initialized with NULL rq. We should not
process any submit request from userspace for a disabled HW IP.
Signed-off-by: Nirmoy Das <nirmoy.das@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_cs.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c index 5b330f69194b..7a8772b7caf7 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c @@ -909,6 +909,11 @@ static int amdgpu_cs_ib_fill(struct amdgpu_device *adev, if (parser->entity && parser->entity != entity) return -EINVAL; + /* Return if there is no run queue associated with this entity. + * Possibly because of disabled HW IP*/ + if (entity->rq == NULL) + return -EINVAL; + parser->entity = entity; ring = to_amdgpu_ring(entity->rq->sched); |