[Why]
Under SR-IOV, we are not sure whether pipe status is
good or not when doing initialization. The compute engine
maybe fail to bringup if pipe status is bad.
[How]
For SR-IOV, disable the compute engine to do a pipe reset
before we do initialization.
Signed-off-by: Horace Chen <horace.chen@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
index 0d8193b30fc5..b8f197a5ee84 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
@@ -4586,8 +4586,12 @@ static int gfx_v11_0_hw_init(void *handle)
DRM_WARN("Invalid gb_addr_config !\n");
if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP &&
- adev->gfx.rs64_enable)
+ adev->gfx.rs64_enable) {
+ if (amdgpu_sriov_vf(adev))
+ gfx_v11_0_cp_compute_enable(adev, false);
+
gfx_v11_0_config_gfx_rs64(adev);
+ }
r = gfx_v11_0_gfxhub_enable(adev);
if (r)
--
2.25.1
