From 9485054dd4d901544f0a3599a751ec120498f64e Mon Sep 17 00:00:00 2001
From: Jack Xiao <Jack.Xiao@amd.com>
Date: Sun, 22 Mar 2020 17:24:07 +0800
Subject: drm/amdgpu/sdma5.2: add mes support for sdma ib test
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Git-commit: c097aac7d9e250bbeabd83c51c7858c8300f23ee
Patch-mainline: v5.19-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225
Add MES support for sdma ib 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>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c | 50 ++++++++++++++++++--------
1 file changed, 36 insertions(+), 14 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c b/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c
index 7c9c70382591..83c6ccaaa9e4 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c
@@ -1042,21 +1042,37 @@ static int sdma_v5_2_ring_test_ib(struct amdgpu_ring *ring, long timeout)
long r;
u32 tmp = 0;
u64 gpu_addr;
+ volatile uint32_t *cpu_ptr = NULL;
- r = amdgpu_device_wb_get(adev, &index);
- if (r) {
- dev_err(adev->dev, "(%ld) 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);
memset(&ib, 0, sizeof(ib));
- r = amdgpu_ib_get(adev, NULL, 256, AMDGPU_IB_POOL_DIRECT, &ib);
- if (r) {
- DRM_ERROR("amdgpu: failed to get ib (%ld).\n", r);
- goto err0;
+
+ if (ring->is_mes_queue) {
+ uint32_t offset = 0;
+ offset = amdgpu_mes_ctx_get_offs(ring, AMDGPU_MES_CTX_IB_OFFS);
+ ib.gpu_addr = amdgpu_mes_ctx_get_offs_gpu_addr(ring, offset);
+ ib.ptr = (void *)amdgpu_mes_ctx_get_offs_cpu_addr(ring, offset);
+
+ 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, "(%ld) 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_ib_get(adev, NULL, 256, AMDGPU_IB_POOL_DIRECT, &ib);
+ if (r) {
+ DRM_ERROR("amdgpu: failed to get ib (%ld).\n", r);
+ goto err0;
+ }
}
ib.ptr[0] = SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) |
@@ -1083,7 +1099,12 @@ static int sdma_v5_2_ring_test_ib(struct amdgpu_ring *ring, long timeout)
DRM_ERROR("amdgpu: fence wait failed (%ld).\n", r);
goto err1;
}
- 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)
r = 0;
else
@@ -1093,7 +1114,8 @@ static int sdma_v5_2_ring_test_ib(struct amdgpu_ring *ring, long timeout)
amdgpu_ib_free(adev, &ib, NULL);
dma_fence_put(f);
err0:
- amdgpu_device_wb_free(adev, index);
+ if (!ring->is_mes_queue)
+ amdgpu_device_wb_free(adev, index);
return r;
}
--
2.38.1