From: Huang Rui <ray.huang@xxxxxxx>
Van gogh only has one sdma.
v2: use num_instances rather than APU flag
Signed-off-by: Huang Rui <ray.huang@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/nv.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/nv.c b/drivers/gpu/drm/amd/amdgpu/nv.c
index 2077f897d6eb..8616d397da00 100644
--- a/drivers/gpu/drm/amd/amdgpu/nv.c
+++ b/drivers/gpu/drm/amd/amdgpu/nv.c
@@ -289,7 +289,8 @@ static int nv_read_register(struct amdgpu_device *adev, u32 se_num,
*value = 0;
for (i = 0; i < ARRAY_SIZE(nv_allowed_read_registers); i++) {
en = &nv_allowed_read_registers[i];
- if (reg_offset !=
+ if ((i == 7 && (adev->sdma.num_instances == 1)) || /* some asics don't have SDMA1 */
+ reg_offset !=
(adev->reg_offset[en->hwip][en->inst][en->seg] + en->reg_offset))
continue;
--
2.25.4
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