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From 0fc7d72e51896c4a2fbfb0bcf7f83a6fa4a50a3c Mon Sep 17 00:00:00 2001
From: Le Ma <le.ma@amd.com>
Date: Fri, 25 Oct 2019 17:48:52 +0800
Subject: [PATCH 4313/4736] drm/amdgpu: bypass some cleanup work after
err_event_athub
PSP lost connection when err_event_athub occurs. These cleanup work can be
skipped in BACO reset.
Change-Id: If54a3735edd6ccbb58d40a5f8833392981f8ce37
Signed-off-by: Le Ma <le.ma@amd.com>
Reviewed-by: Hawking Zhang <hawking.zhang@amd.com>
Signed-off-by: Rahul Kumar <rahul.kumar1@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 6 ++++++
drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 7 +++++++
drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 20 +++++++++++---------
drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 6 ++++--
4 files changed, 28 insertions(+), 11 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 7d134976492a..8e35ebdf4e10 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -2270,6 +2270,12 @@ static int amdgpu_device_ip_suspend_phase2(struct amdgpu_device *adev)
/* displays are handled in phase1 */
if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_DCE)
continue;
+ /* PSP lost connection when err_event_athub occurs */
+ if (amdgpu_ras_intr_triggered() &&
+ adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP) {
+ adev->ip_blocks[i].status.hw = false;
+ continue;
+ }
/* XXX handle errors */
r = adev->ip_blocks[i].version->funcs->suspend(adev);
/* XXX handle errors */
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index f289a84363c4..4aa21bc1e0b9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -167,6 +167,13 @@ psp_cmd_submit_buf(struct psp_context *psp,
while (*((unsigned int *)psp->fence_buf) != index) {
if (--timeout == 0)
break;
+ /*
+ * Shouldn't wait for timeout when err_event_athub occurs,
+ * because gpu reset thread triggered and lock resource should
+ * be released for psp resume sequence.
+ */
+ if (amdgpu_ras_intr_triggered())
+ break;
msleep(1);
amdgpu_asic_invalidate_hdp(psp->adev, NULL);
}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
index ebc3e15eca8b..afc3ee47d1b2 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
@@ -556,15 +556,17 @@ int amdgpu_ras_feature_enable(struct amdgpu_device *adev,
if (!(!!enable ^ !!amdgpu_ras_is_feature_enabled(adev, head)))
return 0;
- ret = psp_ras_enable_features(&adev->psp, &info, enable);
- if (ret) {
- DRM_ERROR("RAS ERROR: %s %s feature failed ret %d\n",
- enable ? "enable":"disable",
- ras_block_str(head->block),
- ret);
- if (ret == TA_RAS_STATUS__RESET_NEEDED)
- return -EAGAIN;
- return -EINVAL;
+ if (!amdgpu_ras_intr_triggered()) {
+ ret = psp_ras_enable_features(&adev->psp, &info, enable);
+ if (ret) {
+ DRM_ERROR("RAS ERROR: %s %s feature failed ret %d\n",
+ enable ? "enable":"disable",
+ ras_block_str(head->block),
+ ret);
+ if (ret == TA_RAS_STATUS__RESET_NEEDED)
+ return -EAGAIN;
+ return -EINVAL;
+ }
}
/* setup the obj */
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index 2f03bf533d41..013c1eb990f0 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -3739,8 +3739,10 @@ static int gfx_v9_0_hw_fini(void *handle)
amdgpu_irq_put(adev, &adev->gfx.priv_reg_irq, 0);
amdgpu_irq_put(adev, &adev->gfx.priv_inst_irq, 0);
- /* disable KCQ to avoid CPC touch memory not valid anymore */
- gfx_v9_0_kcq_disable(adev);
+ /* DF freeze and kcq disable will fail */
+ if (!amdgpu_ras_intr_triggered())
+ /* disable KCQ to avoid CPC touch memory not valid anymore */
+ gfx_v9_0_kcq_disable(adev);
if (amdgpu_sriov_vf(adev)) {
gfx_v9_0_cp_gfx_enable(adev, false);
--
2.17.1
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