Am 26.06.23 um 16:50 schrieb Saleemkhan Jamadar:
add session context buffer to decoder ring test.
v2 - put the buffer at the end of the IB (Christian)
Signed-off-by: Saleemkhan Jamadar <saleemkhan.jama...@amd.com>
Acked-by: Leo Liu <leo....@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c | 30 ++++++++++++++++++++++---
drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h | 3 +++
2 files changed, 30 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..04daaaf6ab34 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
@@ -691,7 +691,8 @@ static void amdgpu_vcn_unified_ring_ib_checksum(uint32_t
**ib_checksum,
static int amdgpu_vcn_dec_sw_send_msg(struct amdgpu_ring *ring,
struct amdgpu_ib *ib_msg,
- struct dma_fence **fence)
+ struct dma_fence **fence,
+ uint64_t session_ctx_buf_gaddr)
That looks like it isn't correctly indented.
{
struct amdgpu_vcn_decode_buffer *decode_buffer = NULL;
unsigned int ib_size_dw = 64;
@@ -730,6 +731,14 @@ 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));
+ if (session_ctx_buf_gaddr) {
+ decode_buffer->valid_buf_flag |=
+
cpu_to_le32(AMDGPU_VCN_CMD_FLAG_SESSION_CONTEXT_BUFFER);
+ decode_buffer->session_context_buffer_address_hi =
+
cpu_to_le32(session_ctx_buf_gaddr >> 32);
+ decode_buffer->session_context_buffer_address_lo =
+
cpu_to_le32(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);
@@ -763,20 +772,34 @@ int amdgpu_vcn_dec_sw_ring_test_ib(struct amdgpu_ring
*ring, long timeout)
{
struct dma_fence *fence = NULL;
struct amdgpu_ib ib;
+ struct amdgpu_bo *session_ctx_buf = NULL;
+ void *cpu_addr = NULL;
+ uint64_t gpu_addr = 0;
long r;
+ r = amdgpu_bo_create_kernel(ring->adev, 128*1024, PAGE_SIZE,
+ AMDGPU_GEM_DOMAIN_VRAM |
+ AMDGPU_GEM_DOMAIN_GTT,
+ &session_ctx_buf,
+ &gpu_addr,
+ &cpu_addr);
That still creates a buffer for the session ctx instead of putting it
into the IB.
+ if (r) {
+ dev_err(ring->adev->dev, "VCN ib test:%ld failed to allocate session
ctx bo\n", r);
+ return r;
+ }
+
r = amdgpu_vcn_dec_get_create_msg(ring, 1, &ib);
if (r)
goto error;
- r = amdgpu_vcn_dec_sw_send_msg(ring, &ib, NULL);
+ r = amdgpu_vcn_dec_sw_send_msg(ring, &ib, NULL, gpu_addr);
if (r)
goto error;
r = amdgpu_vcn_dec_get_destroy_msg(ring, 1, &ib);
if (r)
goto error;
- r = amdgpu_vcn_dec_sw_send_msg(ring, &ib, &fence);
+ r = amdgpu_vcn_dec_sw_send_msg(ring, &ib, &fence, gpu_addr);
if (r)
goto error;
@@ -788,6 +811,7 @@ int amdgpu_vcn_dec_sw_ring_test_ib(struct amdgpu_ring *ring, long timeout)
dma_fence_put(fence);
error:
+ amdgpu_bo_free_kernel(&session_ctx_buf, &gpu_addr,
&cpu_addr);ebd59851c796c
Which is freed here.
return r;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h
index f1397ef66fd7..06f9ee91a1e1 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)
@@ -357,6 +358,8 @@ struct amdgpu_vcn_decode_buffer {
uint32_t valid_buf_flag;
uint32_t msg_buffer_address_hi;
uint32_t msg_buffer_address_lo;
+ unsigned int session_context_buffer_address_hi;
+ unsigned int session_context_buffer_address_lo;
uint32_t pad[30];
that here looks incorrect as well.
Christian.
};
