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From 6f9d8526fd5c824d972c16a95a805f538d46cce7 Mon Sep 17 00:00:00 2001
From: James Zhu <James.Zhu@amd.com>
Date: Fri, 29 Sep 2017 16:42:27 -0400
Subject: [PATCH 1953/4131] drm/amdgpu: add uvd enc ib test
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Generate create/destroy messages to test UVD encode indirect buffer function.
And enable UVD encode IB test during device initialization.
Signed-off-by: James Zhu <James.Zhu@amd.com>
Reviewed-and-Tested-by: Leo Liu <leo.liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
---
drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c | 172 ++++++++++++++++++++++++++++++++++
1 file changed, 172 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
index 996e671..d614997 100644
--- a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
@@ -195,6 +195,177 @@ static int uvd_v6_0_enc_ring_test_ring(struct amdgpu_ring *ring)
return r;
}
+/**
+ * uvd_v6_0_enc_get_create_msg - generate a UVD ENC create msg
+ *
+ * @adev: amdgpu_device pointer
+ * @ring: ring we should submit the msg to
+ * @handle: session handle to use
+ * @fence: optional fence to return
+ *
+ * Open up a stream for HW test
+ */
+static int uvd_v6_0_enc_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
+ struct dma_fence **fence)
+{
+ const unsigned ib_size_dw = 16;
+ struct amdgpu_job *job;
+ struct amdgpu_ib *ib;
+ struct dma_fence *f = NULL;
+ uint64_t dummy;
+ int i, r;
+
+ r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4, &job);
+ if (r)
+ return r;
+
+ ib = &job->ibs[0];
+ dummy = ib->gpu_addr + 1024;
+
+ ib->length_dw = 0;
+ ib->ptr[ib->length_dw++] = 0x00000018;
+ ib->ptr[ib->length_dw++] = 0x00000001; /* session info */
+ ib->ptr[ib->length_dw++] = handle;
+ ib->ptr[ib->length_dw++] = 0x00010000;
+ ib->ptr[ib->length_dw++] = upper_32_bits(dummy);
+ ib->ptr[ib->length_dw++] = dummy;
+
+ ib->ptr[ib->length_dw++] = 0x00000014;
+ ib->ptr[ib->length_dw++] = 0x00000002; /* task info */
+ ib->ptr[ib->length_dw++] = 0x0000001c;
+ ib->ptr[ib->length_dw++] = 0x00000001;
+ ib->ptr[ib->length_dw++] = 0x00000000;
+
+ ib->ptr[ib->length_dw++] = 0x00000008;
+ ib->ptr[ib->length_dw++] = 0x08000001; /* op initialize */
+
+ for (i = ib->length_dw; i < ib_size_dw; ++i)
+ ib->ptr[i] = 0x0;
+
+ r = amdgpu_ib_schedule(ring, 1, ib, NULL, &f);
+ job->fence = dma_fence_get(f);
+ if (r)
+ goto err;
+
+ amdgpu_job_free(job);
+ if (fence)
+ *fence = dma_fence_get(f);
+ dma_fence_put(f);
+ return 0;
+
+err:
+ amdgpu_job_free(job);
+ return r;
+}
+
+/**
+ * uvd_v6_0_enc_get_destroy_msg - generate a UVD ENC destroy msg
+ *
+ * @adev: amdgpu_device pointer
+ * @ring: ring we should submit the msg to
+ * @handle: session handle to use
+ * @fence: optional fence to return
+ *
+ * Close up a stream for HW test or if userspace failed to do so
+ */
+int uvd_v6_0_enc_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
+ bool direct, struct dma_fence **fence)
+{
+ const unsigned ib_size_dw = 16;
+ struct amdgpu_job *job;
+ struct amdgpu_ib *ib;
+ struct dma_fence *f = NULL;
+ uint64_t dummy;
+ int i, r;
+
+ r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4, &job);
+ if (r)
+ return r;
+
+ ib = &job->ibs[0];
+ dummy = ib->gpu_addr + 1024;
+
+ ib->length_dw = 0;
+ ib->ptr[ib->length_dw++] = 0x00000018;
+ ib->ptr[ib->length_dw++] = 0x00000001; /* session info */
+ ib->ptr[ib->length_dw++] = handle;
+ ib->ptr[ib->length_dw++] = 0x00010000;
+ ib->ptr[ib->length_dw++] = upper_32_bits(dummy);
+ ib->ptr[ib->length_dw++] = dummy;
+
+ ib->ptr[ib->length_dw++] = 0x00000014;
+ ib->ptr[ib->length_dw++] = 0x00000002; /* task info */
+ ib->ptr[ib->length_dw++] = 0x0000001c;
+ ib->ptr[ib->length_dw++] = 0x00000001;
+ ib->ptr[ib->length_dw++] = 0x00000000;
+
+ ib->ptr[ib->length_dw++] = 0x00000008;
+ ib->ptr[ib->length_dw++] = 0x08000002; /* op close session */
+
+ for (i = ib->length_dw; i < ib_size_dw; ++i)
+ ib->ptr[i] = 0x0;
+
+ if (direct) {
+ r = amdgpu_ib_schedule(ring, 1, ib, NULL, &f);
+ job->fence = dma_fence_get(f);
+ if (r)
+ goto err;
+
+ amdgpu_job_free(job);
+ } else {
+ r = amdgpu_job_submit(job, ring, &ring->adev->vce.entity,
+ AMDGPU_FENCE_OWNER_UNDEFINED, &f);
+ if (r)
+ goto err;
+ }
+
+ if (fence)
+ *fence = dma_fence_get(f);
+ dma_fence_put(f);
+ return 0;
+
+err:
+ amdgpu_job_free(job);
+ return r;
+}
+
+/**
+ * uvd_v6_0_enc_ring_test_ib - test if UVD ENC IBs are working
+ *
+ * @ring: the engine to test on
+ *
+ */
+static int uvd_v6_0_enc_ring_test_ib(struct amdgpu_ring *ring, long timeout)
+{
+ struct dma_fence *fence = NULL;
+ long r;
+
+ r = uvd_v6_0_enc_get_create_msg(ring, 1, NULL);
+ if (r) {
+ DRM_ERROR("amdgpu: failed to get create msg (%ld).\n", r);
+ goto error;
+ }
+
+ r = uvd_v6_0_enc_get_destroy_msg(ring, 1, true, &fence);
+ if (r) {
+ DRM_ERROR("amdgpu: failed to get destroy ib (%ld).\n", r);
+ goto error;
+ }
+
+ r = dma_fence_wait_timeout(fence, false, timeout);
+ if (r == 0) {
+ DRM_ERROR("amdgpu: IB test timed out.\n");
+ r = -ETIMEDOUT;
+ } else if (r < 0) {
+ DRM_ERROR("amdgpu: fence wait failed (%ld).\n", r);
+ } else {
+ DRM_INFO("ib test on ring %d succeeded\n", ring->idx);
+ r = 0;
+ }
+error:
+ dma_fence_put(fence);
+ return r;
+}
static int uvd_v6_0_early_init(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
@@ -1409,6 +1580,7 @@ static const struct amdgpu_ring_funcs uvd_v6_0_enc_ring_vm_funcs = {
.emit_vm_flush = uvd_v6_0_enc_ring_emit_vm_flush,
.emit_pipeline_sync = uvd_v6_0_enc_ring_emit_pipeline_sync,
.test_ring = uvd_v6_0_enc_ring_test_ring,
+ .test_ib = uvd_v6_0_enc_ring_test_ib,
.insert_nop = amdgpu_ring_insert_nop,
.insert_end = uvd_v6_0_enc_ring_insert_end,
.pad_ib = amdgpu_ring_generic_pad_ib,
--
2.7.4
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