Am 06.07.23 um 16:47 schrieb Saleemkhan Jamadar:
add session context buffer to decoder ring test.
v4 - data type, explain change of ib size change (Christian)
v3 - indent and v2 changes correction. (Christian)
v2 - put the buffer at the end of the IB (Christian)
Signed-off-by: Saleemkhan Jamadar <saleemkhan.jamadar@xxxxxxx>
Acked-by: Leo Liu <leo.liu@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c | 11 +++++++++--
drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h | 5 ++++-
2 files changed, 13 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
index 2d94f1b63bd6..9bdfe665f603 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
@@ -573,7 +573,8 @@ static int amdgpu_vcn_dec_get_create_msg(struct amdgpu_ring *ring, uint32_t hand
int r, i;
memset(ib, 0, sizeof(*ib));
- r = amdgpu_ib_get(adev, NULL, AMDGPU_GPU_PAGE_SIZE * 2,
+ /* 34 pages : 128KiB session context buffer size and 8KiB ib msg */
+ r = amdgpu_ib_get(adev, NULL, AMDGPU_GPU_PAGE_SIZE * 34,
AMDGPU_IB_POOL_DIRECT,
ib);
if (r)
@@ -608,7 +609,8 @@ static int amdgpu_vcn_dec_get_destroy_msg(struct amdgpu_ring *ring, uint32_t han
int r, i;
memset(ib, 0, sizeof(*ib));
- r = amdgpu_ib_get(adev, NULL, AMDGPU_GPU_PAGE_SIZE * 2,
+ /* 34 pages : 128KB session context buffer size and 8KB ib msg */
+ r = amdgpu_ib_get(adev, NULL, AMDGPU_GPU_PAGE_SIZE * 34,
AMDGPU_IB_POOL_DIRECT,
ib);
One more question here: Does the create and destroy message need to
point to the same session context buffer or is it ok that we use a
separate dummy for both?
Either way we should probably clear the context buffer with zeros.
Apart from that this now looks good to me,
Christian.
if (r)
@@ -700,6 +702,7 @@ 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;
@@ -730,6 +733,10 @@ 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);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h
index f1397ef66fd7..2df43cd76c10 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h
@@ -166,6 +166,7 @@
#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)
@@ -357,7 +358,9 @@ struct amdgpu_vcn_decode_buffer {
uint32_t valid_buf_flag;
uint32_t msg_buffer_address_hi;
uint32_t msg_buffer_address_lo;
- uint32_t pad[30];
+ uint32_t session_context_buffer_address_hi;
+ uint32_t session_context_buffer_address_lo;
+ uint32_t pad[28];
};
#define VCN_BLOCK_ENCODE_DISABLE_MASK 0x80
