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authorChristian König <christian.koenig@amd.com>2016-02-01 14:31:01 +0300
committerAlex Deucher <alexander.deucher@amd.com>2016-02-10 22:17:23 +0300
commit0856cab1a6298d9cbf037dc683ce514cadb28040 (patch)
treec0b0fa03d84ad2339399bc9e2d21688b300b36c9 /drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
parentd71518b5aa7c9c298ffbd12ddd23297e3373a37b (diff)
downloadlinux-0856cab1a6298d9cbf037dc683ce514cadb28040.tar.xz
drm/amdgpu: rename amdgpu_sched.c to amdgpu_job.c
That's probably a better matching name. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucer@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_job.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_job.c151
1 files changed, 151 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
new file mode 100644
index 000000000000..6f3e757e056e
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
@@ -0,0 +1,151 @@
+/*
+ * Copyright 2015 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ *
+ */
+#include <linux/kthread.h>
+#include <linux/wait.h>
+#include <linux/sched.h>
+#include <drm/drmP.h>
+#include "amdgpu.h"
+#include "amdgpu_trace.h"
+
+int amdgpu_job_alloc(struct amdgpu_device *adev, unsigned num_ibs,
+ struct amdgpu_job **job)
+{
+ size_t size = sizeof(struct amdgpu_job);
+
+ if (num_ibs == 0)
+ return -EINVAL;
+
+ size += sizeof(struct amdgpu_ib) * num_ibs;
+
+ *job = kzalloc(size, GFP_KERNEL);
+ if (!*job)
+ return -ENOMEM;
+
+ (*job)->adev = adev;
+ (*job)->ibs = (void *)&(*job)[1];
+ (*job)->num_ibs = num_ibs;
+
+ return 0;
+}
+
+int amdgpu_job_alloc_with_ib(struct amdgpu_device *adev, unsigned size,
+ struct amdgpu_job **job)
+{
+ int r;
+
+ r = amdgpu_job_alloc(adev, 1, job);
+ if (r)
+ return r;
+
+ r = amdgpu_ib_get(adev, NULL, size, &(*job)->ibs[0]);
+ if (r)
+ kfree(*job);
+
+ return r;
+}
+
+void amdgpu_job_free(struct amdgpu_job *job)
+{
+ unsigned i;
+
+ for (i = 0; i < job->num_ibs; ++i)
+ amdgpu_ib_free(job->adev, &job->ibs[i]);
+
+ amdgpu_bo_unref(&job->uf.bo);
+ kfree(job);
+}
+
+int amdgpu_job_submit(struct amdgpu_job *job, struct amdgpu_ring *ring,
+ void *owner, struct fence **f)
+{
+ struct amdgpu_device *adev = job->adev;
+
+ job->ring = ring;
+ job->base.sched = &ring->sched;
+ job->base.s_entity = &adev->kernel_ctx.rings[ring->idx].entity;
+ job->base.s_fence = amd_sched_fence_create(job->base.s_entity, owner);
+ if (!job->base.s_fence)
+ return -ENOMEM;
+
+ *f = fence_get(&job->base.s_fence->base);
+
+ job->owner = owner;
+ amd_sched_entity_push_job(&job->base);
+
+ return 0;
+}
+
+static struct fence *amdgpu_job_dependency(struct amd_sched_job *sched_job)
+{
+ struct amdgpu_job *job = to_amdgpu_job(sched_job);
+ struct amdgpu_sync *sync = &job->ibs->sync;
+ struct amdgpu_vm *vm = job->ibs->vm;
+
+ struct fence *fence = amdgpu_sync_get_fence(sync);
+
+ if (fence == NULL && vm && !job->ibs->grabbed_vmid) {
+ struct amdgpu_ring *ring = job->ring;
+ int r;
+
+ r = amdgpu_vm_grab_id(vm, ring, sync,
+ &job->base.s_fence->base);
+ if (r)
+ DRM_ERROR("Error getting VM ID (%d)\n", r);
+ else
+ job->ibs->grabbed_vmid = true;
+
+ fence = amdgpu_sync_get_fence(sync);
+ }
+
+ return fence;
+}
+
+static struct fence *amdgpu_job_run(struct amd_sched_job *sched_job)
+{
+ struct fence *fence = NULL;
+ struct amdgpu_job *job;
+ int r;
+
+ if (!sched_job) {
+ DRM_ERROR("job is null\n");
+ return NULL;
+ }
+ job = to_amdgpu_job(sched_job);
+ trace_amdgpu_sched_run_job(job);
+ r = amdgpu_ib_schedule(job->ring, job->num_ibs, job->ibs,
+ job->owner, &fence);
+ if (r) {
+ DRM_ERROR("Error scheduling IBs (%d)\n", r);
+ goto err;
+ }
+
+err:
+ amdgpu_job_free(job);
+ return fence;
+}
+
+struct amd_sched_backend_ops amdgpu_sched_ops = {
+ .dependency = amdgpu_job_dependency,
+ .run_job = amdgpu_job_run,
+};