Commit 55414ad5 authored by Nirmoy Das's avatar Nirmoy Das Committed by Alex Deucher

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: default avatarNirmoy Das <nirmoy.das@amd.com>
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 8eee00f6
...@@ -909,6 +909,11 @@ static int amdgpu_cs_ib_fill(struct amdgpu_device *adev, ...@@ -909,6 +909,11 @@ static int amdgpu_cs_ib_fill(struct amdgpu_device *adev,
if (parser->entity && parser->entity != entity) if (parser->entity && parser->entity != entity)
return -EINVAL; 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; parser->entity = entity;
ring = to_amdgpu_ring(entity->rq->sched); ring = to_amdgpu_ring(entity->rq->sched);
......
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