From: Leo Liu <leo.liu@amd.com>
Date: Fri, 25 May 2018 10:53:39 -0400
Subject: drm/amdgpu: remove unnecessary scheduler entity for VCN
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Git-commit: 4c6530fd66399182d0332c5ed821ea473bdcd7c3
Patch-mainline: v4.18-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
It should be stateless, and no need for scheduler to take care specially.
Signed-off-by: Leo Liu <leo.liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c | 51 ++++++--------------------------
drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h | 2 -
2 files changed, 10 insertions(+), 43 deletions(-)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
@@ -49,8 +49,6 @@ static void amdgpu_vcn_idle_work_handler
int amdgpu_vcn_sw_init(struct amdgpu_device *adev)
{
- struct amdgpu_ring *ring;
- struct drm_sched_rq *rq;
unsigned long bo_size;
const char *fw_name;
const struct common_firmware_header *hdr;
@@ -102,24 +100,6 @@ int amdgpu_vcn_sw_init(struct amdgpu_dev
return r;
}
- ring = &adev->vcn.ring_dec;
- rq = &ring->sched.sched_rq[DRM_SCHED_PRIORITY_NORMAL];
- r = drm_sched_entity_init(&ring->sched, &adev->vcn.entity_dec,
- rq, NULL);
- if (r != 0) {
- DRM_ERROR("Failed setting up VCN dec run queue.\n");
- return r;
- }
-
- ring = &adev->vcn.ring_enc[0];
- rq = &ring->sched.sched_rq[DRM_SCHED_PRIORITY_NORMAL];
- r = drm_sched_entity_init(&ring->sched, &adev->vcn.entity_enc,
- rq, NULL);
- if (r != 0) {
- DRM_ERROR("Failed setting up VCN enc run queue.\n");
- return r;
- }
-
return 0;
}
@@ -129,10 +109,6 @@ int amdgpu_vcn_sw_fini(struct amdgpu_dev
kfree(adev->vcn.saved_bo);
- drm_sched_entity_fini(&adev->vcn.ring_dec.sched, &adev->vcn.entity_dec);
-
- drm_sched_entity_fini(&adev->vcn.ring_enc[0].sched, &adev->vcn.entity_enc);
-
amdgpu_bo_free_kernel(&adev->vcn.vcpu_bo,
&adev->vcn.gpu_addr,
(void **)&adev->vcn.cpu_addr);
@@ -278,7 +254,7 @@ int amdgpu_vcn_dec_ring_test_ring(struct
}
static int amdgpu_vcn_dec_send_msg(struct amdgpu_ring *ring,
- struct amdgpu_bo *bo, bool direct,
+ struct amdgpu_bo *bo,
struct dma_fence **fence)
{
struct amdgpu_device *adev = ring->adev;
@@ -306,19 +282,12 @@ static int amdgpu_vcn_dec_send_msg(struc
}
ib->length_dw = 16;
- if (direct) {
- r = amdgpu_ib_schedule(ring, 1, ib, NULL, &f);
- job->fence = dma_fence_get(f);
- if (r)
- goto err_free;
+ r = amdgpu_ib_schedule(ring, 1, ib, NULL, &f);
+ job->fence = dma_fence_get(f);
+ if (r)
+ goto err_free;
- amdgpu_job_free(job);
- } else {
- r = amdgpu_job_submit(job, ring, &adev->vcn.entity_dec,
- AMDGPU_FENCE_OWNER_UNDEFINED, &f);
- if (r)
- goto err_free;
- }
+ amdgpu_job_free(job);
amdgpu_bo_fence(bo, f, false);
amdgpu_bo_unreserve(bo);
@@ -370,11 +339,11 @@ static int amdgpu_vcn_dec_get_create_msg
for (i = 14; i < 1024; ++i)
msg[i] = cpu_to_le32(0x0);
- return amdgpu_vcn_dec_send_msg(ring, bo, true, fence);
+ return amdgpu_vcn_dec_send_msg(ring, bo, fence);
}
static int amdgpu_vcn_dec_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
- bool direct, struct dma_fence **fence)
+ struct dma_fence **fence)
{
struct amdgpu_device *adev = ring->adev;
struct amdgpu_bo *bo = NULL;
@@ -396,7 +365,7 @@ static int amdgpu_vcn_dec_get_destroy_ms
for (i = 6; i < 1024; ++i)
msg[i] = cpu_to_le32(0x0);
- return amdgpu_vcn_dec_send_msg(ring, bo, direct, fence);
+ return amdgpu_vcn_dec_send_msg(ring, bo, fence);
}
int amdgpu_vcn_dec_ring_test_ib(struct amdgpu_ring *ring, long timeout)
@@ -410,7 +379,7 @@ int amdgpu_vcn_dec_ring_test_ib(struct a
goto error;
}
- r = amdgpu_vcn_dec_get_destroy_msg(ring, 1, true, &fence);
+ r = amdgpu_vcn_dec_get_destroy_msg(ring, 1, &fence);
if (r) {
DRM_ERROR("amdgpu: failed to get destroy ib (%ld).\n", r);
goto error;
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h
@@ -67,8 +67,6 @@ struct amdgpu_vcn {
struct amdgpu_ring ring_dec;
struct amdgpu_ring ring_enc[AMDGPU_VCN_MAX_ENC_RINGS];
struct amdgpu_irq_src irq;
- struct drm_sched_entity entity_dec;
- struct drm_sched_entity entity_enc;
unsigned num_enc_rings;
};