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drm/amdgpu: add helper function for kernel submission

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Signed-off-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Christian K?nig <christian.koenig@amd.com>
This commit is contained in:
Chunming Zhou 2015-07-29 10:33:14 +08:00 committed by Alex Deucher
parent d1ff9086c1
commit 3c704e934d
2 changed files with 42 additions and 0 deletions
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7
drivers/gpu/drm/amd/amdgpu/amdgpu.h
View File

@ -864,6 +864,13 @@ enum amdgpu_ring_type {
extern struct amd_sched_backend_ops amdgpu_sched_ops;
int amdgpu_sched_ib_submit_kernel_helper(struct amdgpu_device *adev,
struct amdgpu_ring *ring,
struct amdgpu_ib *ibs,
unsigned num_ibs,
int (*free_job)(struct amdgpu_cs_parser *),
void *owner);
struct amdgpu_ring {
struct amdgpu_device *adev;
const struct amdgpu_ring_funcs *funcs;

35
drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c
View File

@ -108,3 +108,38 @@ struct amd_sched_backend_ops amdgpu_sched_ops = {
.process_job = amdgpu_sched_process_job
};
int amdgpu_sched_ib_submit_kernel_helper(struct amdgpu_device *adev,
struct amdgpu_ring *ring,
struct amdgpu_ib *ibs,
unsigned num_ibs,
int (*free_job)(struct amdgpu_cs_parser *),
void *owner)
{
int r = 0;
if (amdgpu_enable_scheduler) {
uint64_t v_seq;
struct amdgpu_cs_parser *sched_job =
amdgpu_cs_parser_create(adev,
owner,
adev->kernel_ctx,
ibs, 1);
if(!sched_job) {
return -ENOMEM;
}
sched_job->free_job = free_job;
v_seq = atomic64_inc_return(&adev->kernel_ctx->rings[ring->idx].c_entity.last_queued_v_seq);
ibs[num_ibs - 1].sequence = v_seq;
amd_sched_push_job(ring->scheduler,
&adev->kernel_ctx->rings[ring->idx].c_entity,
sched_job);
r = amd_sched_wait_emit(
&adev->kernel_ctx->rings[ring->idx].c_entity,
v_seq,
false,
-1);
if (r)
WARN(true, "emit timeout\n");
} else
r = amdgpu_ib_schedule(adev, 1, ibs, owner);
return r;
}