SMU is always alive, so it's fine to skip SMU FW reloading
when runpm resumed from BACO, this can avoid some race issues
when resuming SMU FW.
Suggested-by: Evan Quan <evan.q...@amd.com>
Signed-off-by: Guchun Chen <guchun.c...@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index e9411c28d88b..9f17235bab83 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -2348,6 +2348,12 @@ static int psp_load_smu_fw(struct psp_context *psp)
&adev->firmware.ucode[AMDGPU_UCODE_ID_SMC];
struct amdgpu_ras *ras = psp->ras_context.ras;
+ /* Skip SMU FW reloading in case of using BACO for runpm,
+ * as SMU is always alive.
+ */
+ if (adev->in_runpm && amdgpu_asic_supports_baco(adev))
+ return 0;
+
if (!ucode->fw || amdgpu_sriov_vf(psp->adev))
return 0;
--
2.17.1
