[PATCH] drm/amdgpu: Skip access gfx11 golden registers under SRIOV
ZhenGuo Yin
zhenguo.yin at amd.com
Thu Nov 23 08:57:14 UTC 2023
[Why]
Golden registers are PF-only registers on gfx11.
RLCG interface will return "out-of-range" under SRIOV VF.
[How]
Skip access gfx11 golden registers under SRIOV.
Signed-off-by: ZhenGuo Yin <zhenguo.yin at amd.com>
---
drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
index 8ed4a6fb147a..288e926e5cd4 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
@@ -293,6 +293,9 @@ static void gfx_v11_0_set_kiq_pm4_funcs(struct amdgpu_device *adev)
static void gfx_v11_0_init_golden_registers(struct amdgpu_device *adev)
{
+ if (amdgpu_sriov_vf(adev))
+ return;
+
switch (amdgpu_ip_version(adev, GC_HWIP, 0)) {
case IP_VERSION(11, 0, 1):
case IP_VERSION(11, 0, 4):
--
2.35.1
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