From 7ee82f5ee0593fd1cf45325e1a8ac0c729b95af0 Mon Sep 17 00:00:00 2001
From: Jack Xiao <Jack.Xiao@amd.com>
Date: Sun, 22 Mar 2020 17:15:42 +0800
Subject: drm/amdgpu/sdma5.2: add mes support for sdma ring test
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Git-commit: 7e5e7971ce77428f836a7f4e4f00f7c1ae1f463e
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 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>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c | 37 ++++++++++++++++++--------
1 file 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;
}
--
2.38.1