diff options
author | Jack Xiao <Jack.Xiao@amd.com> | 2020-03-22 12:15:42 +0300 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2022-05-04 17:43:50 +0300 |
commit | 7e5e7971ce77428f836a7f4e4f00f7c1ae1f463e (patch) | |
tree | bc0015a7f8412b986a2b9a652934c35828acf3c6 /drivers/gpu | |
parent | 254492b66ca3f74d91e66feb0713cb03798e7f59 (diff) | |
download | linux-7e5e7971ce77428f836a7f4e4f00f7c1ae1f463e.tar.xz |
drm/amdgpu/sdma5.2: add mes support for sdma ring test
Add MES support for sdma ring test.
Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c | 37 |
1 files changed, 26 insertions, 11 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c b/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c index 9f246ab942f9..7c9c70382591 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c @@ -965,18 +965,29 @@ static int sdma_v5_2_ring_test_ring(struct amdgpu_ring *ring) int r; u32 tmp; u64 gpu_addr; + volatile uint32_t *cpu_ptr = NULL; - r = amdgpu_device_wb_get(adev, &index); - if (r) { - dev_err(adev->dev, "(%d) failed to allocate wb slot\n", r); - return r; - } - - gpu_addr = adev->wb.gpu_addr + (index * 4); tmp = 0xCAFEDEAD; - adev->wb.wb[index] = cpu_to_le32(tmp); - r = amdgpu_ring_alloc(ring, 5); + if (ring->is_mes_queue) { + uint32_t offset = 0; + offset = amdgpu_mes_ctx_get_offs(ring, + AMDGPU_MES_CTX_PADDING_OFFS); + gpu_addr = amdgpu_mes_ctx_get_offs_gpu_addr(ring, offset); + cpu_ptr = amdgpu_mes_ctx_get_offs_cpu_addr(ring, offset); + *cpu_ptr = tmp; + } else { + r = amdgpu_device_wb_get(adev, &index); + if (r) { + dev_err(adev->dev, "(%d) failed to allocate wb slot\n", r); + return r; + } + + gpu_addr = adev->wb.gpu_addr + (index * 4); + adev->wb.wb[index] = cpu_to_le32(tmp); + } + + r = amdgpu_ring_alloc(ring, 20); if (r) { DRM_ERROR("amdgpu: dma failed to lock ring %d (%d).\n", ring->idx, r); amdgpu_device_wb_free(adev, index); @@ -992,7 +1003,10 @@ static int sdma_v5_2_ring_test_ring(struct amdgpu_ring *ring) amdgpu_ring_commit(ring); for (i = 0; i < adev->usec_timeout; i++) { - tmp = le32_to_cpu(adev->wb.wb[index]); + if (ring->is_mes_queue) + tmp = le32_to_cpu(*cpu_ptr); + else + tmp = le32_to_cpu(adev->wb.wb[index]); if (tmp == 0xDEADBEEF) break; if (amdgpu_emu_mode == 1) @@ -1004,7 +1018,8 @@ static int sdma_v5_2_ring_test_ring(struct amdgpu_ring *ring) if (i >= adev->usec_timeout) r = -ETIMEDOUT; - amdgpu_device_wb_free(adev, index); + if (!ring->is_mes_queue) + amdgpu_device_wb_free(adev, index); return r; } |