[PATCH v2 2/2] drm/amdgpu: update kernel vcn ring test

[Saleemkhan Jamadar]

add session context buffer to decoder ring test for vcn v1 to v3.

v2 - add the buffer into IB (Leo liu)

Signed-off-by: Saleemkhan Jamadar <saleemkhan.jamadar at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
index 76e9a2418286..4c44d76f69de 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
@@ -521,6 +521,7 @@ static int amdgpu_vcn_dec_send_msg(struct amdgpu_ring *ring,
 				   struct dma_fence **fence)
 {
 	u64 addr = AMDGPU_GPU_PAGE_ALIGN(ib_msg->gpu_addr);
+	uint64_t session_ctx_buf_gaddr = AMDGPU_GPU_PAGE_ALIGN(ib_msg->gpu_addr + 8192);
 	struct amdgpu_device *adev = ring->adev;
 	struct dma_fence *f = NULL;
 	struct amdgpu_job *job;
@@ -546,6 +547,17 @@ static int amdgpu_vcn_dec_send_msg(struct amdgpu_ring *ring,
 	}
 	ib->length_dw = 16;
 
+	ib->ptr[ib->length_dw++] = PACKET0(adev->vcn.internal.data0, 0);
+	ib->ptr[ib->length_dw++] = lower_32_bits(session_ctx_buf_gaddr);
+	ib->ptr[ib->length_dw++] = PACKET0(adev->vcn.internal.data1, 0);
+	ib->ptr[ib->length_dw++] = upper_32_bits(session_ctx_buf_gaddr);
+	ib->ptr[ib->length_dw++] = PACKET0(adev->vcn.internal.cmd, 0);
+	ib->ptr[ib->length_dw++] = 0;
+	for (i = ib->length_dw; i < 32; i += 2) {
+		ib->ptr[i] = PACKET0(adev->vcn.internal.nop, 0);
+		ib->ptr[i+1] = 0;
+	}
+
 	r = amdgpu_job_submit_direct(job, ring, &f);
 	if (r)
 		goto err_free;
-- 
2.25.1