From ead833ecedfad7267966c6b81944c706a85b0736 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Christian=20K=C3=B6nig?= Date: Wed, 10 Feb 2016 14:35:19 +0100 Subject: [PATCH] drm/amdgpu: use separate scheduler entity for UVD submissions MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit This allows us to remove the kernel context and use a better priority for the submissions. Signed-off-by: Christian König Reviewed-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu.h | 1 + drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c | 15 ++++++++++++++- 2 files changed, 15 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index bc396a8f2d55..cecb5f4328c9 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -1644,6 +1644,7 @@ struct amdgpu_uvd { struct amdgpu_ring ring; struct amdgpu_irq_src irq; bool address_64_bit; + struct amd_sched_entity entity; }; /* diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c index f4283432bf4e..1de82bf4fc79 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c @@ -91,6 +91,8 @@ static void amdgpu_uvd_idle_work_handler(struct work_struct *work); int amdgpu_uvd_sw_init(struct amdgpu_device *adev) { + struct amdgpu_ring *ring; + struct amd_sched_rq *rq; unsigned long bo_size; const char *fw_name; const struct common_firmware_header *hdr; @@ -191,6 +193,15 @@ int amdgpu_uvd_sw_init(struct amdgpu_device *adev) amdgpu_bo_unreserve(adev->uvd.vcpu_bo); + ring = &adev->uvd.ring; + rq = &ring->sched.sched_rq[AMD_SCHED_PRIORITY_NORMAL]; + r = amd_sched_entity_init(&ring->sched, &adev->uvd.entity, + rq, amdgpu_sched_jobs); + if (r != 0) { + DRM_ERROR("Failed setting up UVD run queue.\n"); + return r; + } + for (i = 0; i < AMDGPU_MAX_UVD_HANDLES; ++i) { atomic_set(&adev->uvd.handles[i], 0); adev->uvd.filp[i] = NULL; @@ -210,6 +221,8 @@ int amdgpu_uvd_sw_fini(struct amdgpu_device *adev) if (adev->uvd.vcpu_bo == NULL) return 0; + amd_sched_entity_fini(&adev->uvd.ring.sched, &adev->uvd.entity); + r = amdgpu_bo_reserve(adev->uvd.vcpu_bo, false); if (!r) { amdgpu_bo_kunmap(adev->uvd.vcpu_bo); @@ -880,7 +893,7 @@ static int amdgpu_uvd_send_msg(struct amdgpu_ring *ring, struct amdgpu_bo *bo, amdgpu_job_free(job); } else { - r = amdgpu_job_submit(job, ring, NULL, + r = amdgpu_job_submit(job, ring, &adev->uvd.entity, AMDGPU_FENCE_OWNER_UNDEFINED, &f); if (r) goto err_free; -- 2.20.1