Revert "drm/amdgpu:update kernel vcn ring test"

VCN FW depncencies revert it to unblock others

This reverts commit f3fa86f5.
Signed-off-by: Saleemkhan Jamadar <saleemkhan.jamadar@amd.com>
Acked-by: Veerabadhran Gopalakrishnan <Veerabadhran.Gopalakrishnan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c

@@ -573,15 +573,13 @@ static int amdgpu_vcn_dec_get_create_msg(struct amdgpu_ring *ring, uint32_t hand
 	int r, i;
 
 	memset(ib, 0, sizeof(*ib));
-	/* 34 pages : 128KiB  session context buffer size and 8KiB ib msg */
-	r = amdgpu_ib_get(adev, NULL, AMDGPU_GPU_PAGE_SIZE * 34,
+	r = amdgpu_ib_get(adev, NULL, AMDGPU_GPU_PAGE_SIZE * 2,
 			AMDGPU_IB_POOL_DIRECT,
 			ib);
 	if (r)
 		return r;
 
 	msg = (uint32_t *)AMDGPU_GPU_PAGE_ALIGN((unsigned long)ib->ptr);
-	memset(msg, 0, (AMDGPU_GPU_PAGE_SIZE * 34));
 	msg[0] = cpu_to_le32(0x00000028);
 	msg[1] = cpu_to_le32(0x00000038);
 	msg[2] = cpu_to_le32(0x00000001);
@@ -610,15 +608,13 @@ static int amdgpu_vcn_dec_get_destroy_msg(struct amdgpu_ring *ring, uint32_t han
 	int r, i;
 
 	memset(ib, 0, sizeof(*ib));
-	/* 34 pages : 128KiB  session context buffer size and 8KiB ib msg */
-	r = amdgpu_ib_get(adev, NULL, AMDGPU_GPU_PAGE_SIZE * 34,
+	r = amdgpu_ib_get(adev, NULL, AMDGPU_GPU_PAGE_SIZE * 2,
 			AMDGPU_IB_POOL_DIRECT,
 			ib);
 	if (r)
 		return r;
 
 	msg = (uint32_t *)AMDGPU_GPU_PAGE_ALIGN((unsigned long)ib->ptr);
-	memset(msg, 0, (AMDGPU_GPU_PAGE_SIZE * 34));
 	msg[0] = cpu_to_le32(0x00000028);
 	msg[1] = cpu_to_le32(0x00000018);
 	msg[2] = cpu_to_le32(0x00000000);
@@ -704,7 +700,6 @@ static int amdgpu_vcn_dec_sw_send_msg(struct amdgpu_ring *ring,
 	struct amdgpu_job *job;
 	struct amdgpu_ib *ib;
 	uint64_t addr = AMDGPU_GPU_PAGE_ALIGN(ib_msg->gpu_addr);
-	uint64_t session_ctx_buf_gaddr = AMDGPU_GPU_PAGE_ALIGN(ib_msg->gpu_addr + 8192);
 	bool sq = amdgpu_vcn_using_unified_queue(ring);
 	uint32_t *ib_checksum;
 	uint32_t ib_pack_in_dw;
@@ -735,10 +730,6 @@ static int amdgpu_vcn_dec_sw_send_msg(struct amdgpu_ring *ring,
 	ib->length_dw += sizeof(struct amdgpu_vcn_decode_buffer) / 4;
 	memset(decode_buffer, 0, sizeof(struct amdgpu_vcn_decode_buffer));
 
-	decode_buffer->valid_buf_flag |=
-				cpu_to_le32(AMDGPU_VCN_CMD_FLAG_SESSION_CONTEXT_BUFFER);
-	decode_buffer->session_context_buffer_address_hi = upper_32_bits(session_ctx_buf_gaddr);
-	decode_buffer->session_context_buffer_address_lo = lower_32_bits(session_ctx_buf_gaddr);
 	decode_buffer->valid_buf_flag |= cpu_to_le32(AMDGPU_VCN_CMD_FLAG_MSG_BUFFER);
 	decode_buffer->msg_buffer_address_hi = cpu_to_le32(addr >> 32);
 	decode_buffer->msg_buffer_address_lo = cpu_to_le32(addr);

drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h

@@ -171,7 +171,6 @@
 
 #define AMDGPU_VCN_IB_FLAG_DECODE_BUFFER	0x00000001
 #define AMDGPU_VCN_CMD_FLAG_MSG_BUFFER		0x00000001
-#define AMDGPU_VCN_CMD_FLAG_SESSION_CONTEXT_BUFFER	0x00100000
 
 #define VCN_CODEC_DISABLE_MASK_AV1  (1 << 0)
 #define VCN_CODEC_DISABLE_MASK_VP9  (1 << 1)
@@ -367,9 +366,7 @@ struct amdgpu_vcn_decode_buffer {
 	uint32_t valid_buf_flag;
 	uint32_t msg_buffer_address_hi;
 	uint32_t msg_buffer_address_lo;
-	uint32_t session_context_buffer_address_hi;
-	uint32_t session_context_buffer_address_lo;
-	uint32_t pad[28];
+	uint32_t pad[30];
 };
 
 #define VCN_BLOCK_ENCODE_DISABLE_MASK 0x80