drm/amdgpu: add amdgpu.sched_jobs option

This option can be used to specify the max job number in the job queue,
and it is 16 by default.

Signed-off-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
index a5d8242..58ce265 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
@@ -105,7 +105,8 @@
 				rq = &adev->rings[i]->scheduler->kernel_rq;
 			r = amd_context_entity_init(adev->rings[i]->scheduler,
 						    &ctx->rings[i].c_entity,
-						    NULL, rq, *id);
+						    NULL, rq, *id,
+						    amdgpu_sched_jobs);
 			if (r)
 				break;
 		}