Fulfill Navi gfx and pcie settings on umd pstate switching.
V2: temporarily skip the pcie ASPM setting considering the ASPM function
is not fully enabled yet
Change-Id: I8d746d4c25f890665feeffddf64164ed2b1f5ccc
Signed-off-by: Evan Quan <evan.quan@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/nv.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/nv.c b/drivers/gpu/drm/amd/amdgpu/nv.c
index d07c84a7543d..36e59c735a05 100644
--- a/drivers/gpu/drm/amd/amdgpu/nv.c
+++ b/drivers/gpu/drm/amd/amdgpu/nv.c
@@ -694,6 +694,23 @@ static void nv_init_doorbell_index(struct amdgpu_device *adev)
static int nv_update_umd_stable_pstate(struct amdgpu_device *adev,
bool enter)
{
+ if (enter)
+ amdgpu_gfx_rlc_enter_safe_mode(adev);
+ else
+ amdgpu_gfx_rlc_exit_safe_mode(adev);
+
+ if (adev->gfx.funcs->update_perfmon_mgcg)
+ adev->gfx.funcs->update_perfmon_mgcg(adev, !enter);
+
+ /*
+ * The ASPM function is not fully enabled and verified on
+ * Navi yet. Temporarily skip this until ASPM enabled.
+ */
+#if 0
+ if (adev->nbio.funcs->enable_aspm)
+ adev->nbio.funcs->enable_aspm(adev, !enter);
+#endif
+
return 0;
}
--
2.28.0
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