Use the CP to copy data between buffers
Reviewed-by: Ken Wang Qingqing.Wang@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com --- tests/amdgpu/basic_tests.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+)
diff --git a/tests/amdgpu/basic_tests.c b/tests/amdgpu/basic_tests.c index 701ccf1..aac5615 100644 --- a/tests/amdgpu/basic_tests.c +++ b/tests/amdgpu/basic_tests.c @@ -461,12 +461,19 @@ static void amdgpu_command_submission_cp_const_fill(void) amdgpu_command_submission_const_fill_helper(AMDGPU_HW_IP_GFX); }
+static void amdgpu_command_submission_cp_copy_data(void) +{ + amdgpu_command_submission_copy_linear_helper(AMDGPU_HW_IP_GFX); +} + static void amdgpu_command_submission_gfx(void) { /* write data using the CP */ amdgpu_command_submission_cp_write_data(); /* const fill using the CP */ amdgpu_command_submission_cp_const_fill(); + /* copy data using the CP */ + amdgpu_command_submission_cp_copy_data(); /* separate IB buffers for multi-IB submission */ amdgpu_command_submission_gfx_separate_ibs(); /* shared IB buffer for multi-IB submission */ @@ -1029,6 +1036,17 @@ static void amdgpu_command_submission_copy_linear_helper(unsigned ip_type) pm4[i++] = (0xffffffff00000000 & bo1_mc) >> 32; pm4[i++] = 0xffffffff & bo2_mc; pm4[i++] = (0xffffffff00000000 & bo2_mc) >> 32; + } else if (ip_type == AMDGPU_HW_IP_GFX) { + pm4[i++] = PACKET3(PACKET3_DMA_DATA, 5); + pm4[i++] = PACKET3_DMA_DATA_ENGINE(0) | + PACKET3_DMA_DATA_DST_SEL(0) | + PACKET3_DMA_DATA_SRC_SEL(0) | + PACKET3_DMA_DATA_CP_SYNC; + pm4[i++] = 0xfffffffc & bo1_mc; + pm4[i++] = (0xffffffff00000000 & bo1_mc) >> 32; + pm4[i++] = 0xfffffffc & bo2_mc; + pm4[i++] = (0xffffffff00000000 & bo2_mc) >> 32; + pm4[i++] = sdma_write_length; }
amdgpu_test_exec_cs_helper(context_handle,