[PATCH 3/3] amd/amdgpu: improve VF recover time

[Zhigang Luo]

1. change AMDGPU_VF2PF_UPDATE_MAX_RETRY_LIMIT from 30 to 5.
2. set fatel error detected flag.

Change-Id: If1e0357deffa4549d4e83e925c8d764f7f8c9f42
Signed-off-by: Zhigang Luo <Zhigang.Luo at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 1 +
 drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c   | 1 +
 drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h   | 2 +-
 3 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 2867e9186e44..50f87fff778e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -4984,6 +4984,7 @@ static int amdgpu_device_reset_sriov(struct amdgpu_device *adev,
 		r = amdgpu_virt_reset_gpu(adev);
 	if (r)
 		return r;
+	amdgpu_ras_set_fed(adev, false);
 	amdgpu_irq_gpu_reset_resume_helper(adev);
 
 	/* some sw clean up VF needs to do before recover */
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
index aed60aaf1a55..4b6e50cfba08 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
@@ -593,6 +593,7 @@ static void amdgpu_virt_update_vf2pf_work_item(struct work_struct *work)
 		adev->virt.vf2pf_update_retry_cnt++;
 		if ((adev->virt.vf2pf_update_retry_cnt >= AMDGPU_VF2PF_UPDATE_MAX_RETRY_LIMIT) &&
 		    amdgpu_sriov_runtime(adev) && !amdgpu_in_reset(adev)) {
+			amdgpu_ras_set_fed(adev, true);
 			if (amdgpu_reset_domain_schedule(adev->reset_domain,
 							  &adev->virt.flr_work))
 				return;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
index a858bc98cad4..0a57b637c4bd 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
@@ -52,7 +52,7 @@
 /* tonga/fiji use this offset */
 #define mmBIF_IOV_FUNC_IDENTIFIER 0x1503
 
-#define AMDGPU_VF2PF_UPDATE_MAX_RETRY_LIMIT 30
+#define AMDGPU_VF2PF_UPDATE_MAX_RETRY_LIMIT 5
 
 enum amdgpu_sriov_vf_mode {
 	SRIOV_VF_MODE_BARE_METAL = 0,
-- 
2.25.1