From 64c235dc1885126507843f4a2a0bca4354fe7262 Mon Sep 17 00:00:00 2001
From: "Stanley.Yang" <Stanley.Yang@amd.com>
Date: Wed, 27 Apr 2022 12:16:51 +0800
Subject: drm/amdgpu: support ras on SRIOV
Git-commit: 950d64250fba5fbb8c290f692de8ffdee380726c
Patch-mainline: v5.19-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225
support umc/gfx/sdma ras on guest side
Changed from V1:
move sriov judgment in amdgpu_ras_interrupt_fatal_error_handler
Signed-off-by: Stanley.Yang <Stanley.Yang@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 4 +++
drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 42 +++++++++++++++-------
drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c | 4 +++
drivers/gpu/drm/amd/amdgpu/psp_v13_0.c | 9 +++--
4 files changed, 44 insertions(+), 15 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 9af8d7a1d011..c45736a902fb 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -5219,6 +5219,10 @@ int amdgpu_device_gpu_recover_imp(struct amdgpu_device *adev,
r = amdgpu_device_reset_sriov(adev, job ? false : true);
if (r)
adev->asic_reset_res = r;
+
+ /* Aldebaran supports ras in SRIOV, so need resume ras during reset */
+ if (adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 2))
+ amdgpu_ras_resume(adev);
} else {
r = amdgpu_do_asic_reset(device_list_handle, &reset_context);
if (r && r == -EAGAIN)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
index 035891ec59d5..2de9309a4193 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
@@ -726,7 +726,9 @@ int amdgpu_ras_feature_enable(struct amdgpu_device *adev,
/* Do not enable if it is not allowed. */
WARN_ON(enable && !amdgpu_ras_is_feature_allowed(adev, head));
- if (!amdgpu_ras_intr_triggered()) {
+ /* Only enable ras feature operation handle on host side */
+ if (!amdgpu_sriov_vf(adev) &&
+ !amdgpu_ras_intr_triggered()) {
ret = psp_ras_enable_features(&adev->psp, info, enable);
if (ret) {
dev_err(adev->dev, "ras %s %s failed poison:%d ret:%d\n",
@@ -1523,7 +1525,9 @@ static int amdgpu_ras_fs_fini(struct amdgpu_device *adev)
*/
void amdgpu_ras_interrupt_fatal_error_handler(struct amdgpu_device *adev)
{
- if (!amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__PCIE_BIF))
+ /* Fatal error events are handled on host side */
+ if (amdgpu_sriov_vf(adev) ||
+ !amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__PCIE_BIF))
return;
if (adev->nbio.ras &&
@@ -2270,10 +2274,14 @@ static void amdgpu_ras_check_supported(struct amdgpu_device *adev)
{
adev->ras_hw_enabled = adev->ras_enabled = 0;
- if (amdgpu_sriov_vf(adev) || !adev->is_atom_fw ||
+ if (!adev->is_atom_fw ||
!amdgpu_ras_asic_supported(adev))
return;
+ if (!(amdgpu_sriov_vf(adev) &&
+ (adev->ip_versions[MP1_HWIP][0] == IP_VERSION(13, 0, 2))))
+ return;
+
if (!adev->gmc.xgmi.connected_to_cpu) {
if (amdgpu_atomfirmware_mem_ecc_supported(adev)) {
dev_info(adev->dev, "MEM ECC is active.\n");
@@ -2285,15 +2293,21 @@ static void amdgpu_ras_check_supported(struct amdgpu_device *adev)
if (amdgpu_atomfirmware_sram_ecc_supported(adev)) {
dev_info(adev->dev, "SRAM ECC is active.\n");
- adev->ras_hw_enabled |= ~(1 << AMDGPU_RAS_BLOCK__UMC |
- 1 << AMDGPU_RAS_BLOCK__DF);
-
- if (adev->ip_versions[VCN_HWIP][0] == IP_VERSION(2, 6, 0))
- adev->ras_hw_enabled |= (1 << AMDGPU_RAS_BLOCK__VCN |
- 1 << AMDGPU_RAS_BLOCK__JPEG);
- else
- adev->ras_hw_enabled &= ~(1 << AMDGPU_RAS_BLOCK__VCN |
- 1 << AMDGPU_RAS_BLOCK__JPEG);
+ if (!amdgpu_sriov_vf(adev)) {
+ adev->ras_hw_enabled |= ~(1 << AMDGPU_RAS_BLOCK__UMC |
+ 1 << AMDGPU_RAS_BLOCK__DF);
+
+ if (adev->ip_versions[VCN_HWIP][0] == IP_VERSION(2, 6, 0))
+ adev->ras_hw_enabled |= (1 << AMDGPU_RAS_BLOCK__VCN |
+ 1 << AMDGPU_RAS_BLOCK__JPEG);
+ else
+ adev->ras_hw_enabled &= ~(1 << AMDGPU_RAS_BLOCK__VCN |
+ 1 << AMDGPU_RAS_BLOCK__JPEG);
+ } else {
+ adev->ras_hw_enabled |= (1 << AMDGPU_RAS_BLOCK__PCIE_BIF |
+ 1 << AMDGPU_RAS_BLOCK__SDMA |
+ 1 << AMDGPU_RAS_BLOCK__GFX);
+ }
} else {
dev_info(adev->dev, "SRAM ECC is not presented.\n");
}
@@ -2637,6 +2651,10 @@ int amdgpu_ras_late_init(struct amdgpu_device *adev)
struct amdgpu_ras_block_object *obj;
int r;
+ /* Guest side doesn't need init ras feature */
+ if (amdgpu_sriov_vf(adev))
+ return 0;
+
list_for_each_entry_safe(node, tmp, &adev->ras_list, node) {
if (!node->ras_obj) {
dev_warn(adev->dev, "Warning: abnormal ras list node.\n");
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c
index 8e221a1ba937..42c1f050542f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c
@@ -124,6 +124,10 @@ int amdgpu_sdma_process_ras_data_cb(struct amdgpu_device *adev,
struct amdgpu_iv_entry *entry)
{
kgd2kfd_set_sram_ecc_flag(adev->kfd.dev);
+
+ if (amdgpu_sriov_vf(adev))
+ return AMDGPU_RAS_SUCCESS;
+
amdgpu_ras_reset_gpu(adev);
return AMDGPU_RAS_SUCCESS;
diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v13_0.c b/drivers/gpu/drm/amd/amdgpu/psp_v13_0.c
index d6d79e97def9..18014ed0e853 100644
--- a/drivers/gpu/drm/amd/amdgpu/psp_v13_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/psp_v13_0.c
@@ -85,9 +85,12 @@ static int psp_v13_0_init_microcode(struct psp_context *psp)
err = psp_init_sos_microcode(psp, chip_name);
if (err)
return err;
- err = psp_init_ta_microcode(&adev->psp, chip_name);
- if (err)
- return err;
+ /* It's not necessary to load ras ta on Guest side */
+ if (!amdgpu_sriov_vf(adev)) {
+ err = psp_init_ta_microcode(&adev->psp, chip_name);
+ if (err)
+ return err;
+ }
break;
case IP_VERSION(13, 0, 1):
case IP_VERSION(13, 0, 3):
--
2.38.1