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From 9fdac1484e5147fd9cf5d584f962170e91933b44 Mon Sep 17 00:00:00 2001
From: Boyuan Zhang <boyuan.zhang@amd.com>
Date: Wed, 30 May 2018 15:49:51 -0400
Subject: [PATCH 4610/5725] drm/amdgpu: add vcn jpeg ring test
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Add a ring test for vcn jpeg.
Signed-off-by: Boyuan Zhang <boyuan.zhang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c | 40 +++++++++++++++++++++++++++++++++
drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h | 2 ++
drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c | 2 +-
3 files changed, 43 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
index 50e2315..5bacf80 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
@@ -583,3 +583,43 @@ int amdgpu_vcn_enc_ring_test_ib(struct amdgpu_ring *ring, long timeout)
dma_fence_put(fence);
return r;
}
+
+int amdgpu_vcn_jpeg_ring_test_ring(struct amdgpu_ring *ring)
+{
+ struct amdgpu_device *adev = ring->adev;
+ uint32_t tmp = 0;
+ unsigned i;
+ int r;
+
+ WREG32(SOC15_REG_OFFSET(UVD, 0, mmUVD_CONTEXT_ID), 0xCAFEDEAD);
+ r = amdgpu_ring_alloc(ring, 3);
+
+ if (r) {
+ DRM_ERROR("amdgpu: cp failed to lock ring %d (%d).\n",
+ ring->idx, r);
+ return r;
+ }
+
+ amdgpu_ring_write(ring,
+ PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_CONTEXT_ID), 0, 0, 0));
+ amdgpu_ring_write(ring, 0xDEADBEEF);
+ amdgpu_ring_commit(ring);
+
+ for (i = 0; i < adev->usec_timeout; i++) {
+ tmp = RREG32(SOC15_REG_OFFSET(UVD, 0, mmUVD_CONTEXT_ID));
+ if (tmp == 0xDEADBEEF)
+ break;
+ DRM_UDELAY(1);
+ }
+
+ if (i < adev->usec_timeout) {
+ DRM_DEBUG("ring test on %d succeeded in %d usecs\n",
+ ring->idx, i);
+ } else {
+ DRM_ERROR("amdgpu: ring %d test failed (0x%08X)\n",
+ ring->idx, tmp);
+ r = -EINVAL;
+ }
+
+ return r;
+}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h
index 6f3bed1..0447fae 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h
@@ -84,4 +84,6 @@ int amdgpu_vcn_dec_ring_test_ib(struct amdgpu_ring *ring, long timeout);
int amdgpu_vcn_enc_ring_test_ring(struct amdgpu_ring *ring);
int amdgpu_vcn_enc_ring_test_ib(struct amdgpu_ring *ring, long timeout);
+int amdgpu_vcn_jpeg_ring_test_ring(struct amdgpu_ring *ring);
+
#endif
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
index a7a166f..3d58236 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
@@ -1750,7 +1750,7 @@ static const struct amdgpu_ring_funcs vcn_v1_0_jpeg_ring_vm_funcs = {
.emit_ib = vcn_v1_0_jpeg_ring_emit_ib,
.emit_fence = vcn_v1_0_jpeg_ring_emit_fence,
.emit_vm_flush = vcn_v1_0_jpeg_ring_emit_vm_flush,
- //.test_ring
+ .test_ring = amdgpu_vcn_jpeg_ring_test_ring,
//.test_ib
.insert_nop = vcn_v1_0_jpeg_ring_nop,
.insert_start = vcn_v1_0_jpeg_ring_insert_start,
--
2.7.4
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