From: Dave Airlie airlied@redhat.com
In two places amdgpu tries to tear down something it hasn't initalised when failing. This is what happens when you enable experimental support on topaz which then fails in ring init.
This patch allows it to fail cleanly.
Signed-off-by: Dave Airlie airlied@redhat.com --- drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c | 3 +++ drivers/gpu/drm/amd/scheduler/gpu_scheduler.c | 3 ++- 2 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c index e0b80cc..fec65f0 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c @@ -69,6 +69,9 @@ void amdgpu_ctx_fini(struct amdgpu_ctx *ctx) struct amdgpu_device *adev = ctx->adev; unsigned i, j;
+ if (!adev) + return; + for (i = 0; i < AMDGPU_MAX_RINGS; ++i) for (j = 0; j < AMDGPU_CTX_MAX_CS_PENDING; ++j) fence_put(ctx->rings[i].fences[j]); diff --git a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c index 7fa1d7a..d3b9eb7 100644 --- a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c +++ b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c @@ -462,5 +462,6 @@ int amd_sched_init(struct amd_gpu_scheduler *sched, */ void amd_sched_fini(struct amd_gpu_scheduler *sched) { - kthread_stop(sched->thread); + if (sched->thread) + kthread_stop(sched->thread); }