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From bd4990c746a7060fab8bdf177fa942b6796a1685 Mon Sep 17 00:00:00 2001
From: Boyuan Zhang <boyuan.zhang@amd.com>
Date: Wed, 30 May 2018 15:56:43 -0400
Subject: [PATCH 4611/5725] drm/amdgpu: add vcn jpeg ib test
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Add an ib 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 | 86 +++++++++++++++++++++++++++++++++
drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h | 1 +
drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c | 2 +-
3 files changed, 88 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
index 5bacf80..7ea85c9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
@@ -623,3 +623,89 @@ int amdgpu_vcn_jpeg_ring_test_ring(struct amdgpu_ring *ring)
return r;
}
+
+static int amdgpu_vcn_jpeg_set_reg(struct amdgpu_ring *ring, uint32_t handle,
+ struct dma_fence **fence)
+{
+ struct amdgpu_device *adev = ring->adev;
+ struct amdgpu_job *job;
+ struct amdgpu_ib *ib;
+ struct dma_fence *f = NULL;
+ const unsigned ib_size_dw = 16;
+ int i, r;
+
+ r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4, &job);
+ if (r)
+ return r;
+
+ ib = &job->ibs[0];
+
+ ib->ptr[0] = PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JPEG_PITCH), 0, 0, PACKETJ_TYPE0);
+ ib->ptr[1] = 0xDEADBEEF;
+ for (i = 2; i < 16; i += 2) {
+ ib->ptr[i] = PACKETJ(0, 0, 0, PACKETJ_TYPE6);
+ ib->ptr[i+1] = 0;
+ }
+ ib->length_dw = 16;
+
+ 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;
+}
+
+int amdgpu_vcn_jpeg_ring_test_ib(struct amdgpu_ring *ring, long timeout)
+{
+ struct amdgpu_device *adev = ring->adev;
+ uint32_t tmp = 0;
+ unsigned i;
+ struct dma_fence *fence = NULL;
+ long r = 0;
+
+ r = amdgpu_vcn_jpeg_set_reg(ring, 1, &fence);
+ if (r) {
+ DRM_ERROR("amdgpu: failed to set jpeg register (%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;
+ goto error;
+ } else if (r < 0) {
+ DRM_ERROR("amdgpu: fence wait failed (%ld).\n", r);
+ goto error;
+ } else
+ r = 0;
+
+ for (i = 0; i < adev->usec_timeout; i++) {
+ tmp = RREG32(SOC15_REG_OFFSET(UVD, 0, mmUVD_JPEG_PITCH));
+ if (tmp == 0xDEADBEEF)
+ break;
+ DRM_UDELAY(1);
+ }
+
+ if (i < adev->usec_timeout)
+ DRM_DEBUG("ib test on ring %d succeeded\n", ring->idx);
+ else {
+ DRM_ERROR("ib test failed (0x%08X)\n", tmp);
+ r = -EINVAL;
+ }
+
+ dma_fence_put(fence);
+
+error:
+ return r;
+}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h
index 0447fae..0b0b863 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h
@@ -85,5 +85,6 @@ 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);
+int amdgpu_vcn_jpeg_ring_test_ib(struct amdgpu_ring *ring, long timeout);
#endif
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
index 3d58236..d0c428f 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
@@ -1751,7 +1751,7 @@ static const struct amdgpu_ring_funcs vcn_v1_0_jpeg_ring_vm_funcs = {
.emit_fence = vcn_v1_0_jpeg_ring_emit_fence,
.emit_vm_flush = vcn_v1_0_jpeg_ring_emit_vm_flush,
.test_ring = amdgpu_vcn_jpeg_ring_test_ring,
- //.test_ib
+ .test_ib = amdgpu_vcn_jpeg_ring_test_ib,
.insert_nop = vcn_v1_0_jpeg_ring_nop,
.insert_start = vcn_v1_0_jpeg_ring_insert_start,
.insert_end = vcn_v1_0_jpeg_ring_insert_end,
--
2.7.4
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