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authorLinus Torvalds <torvalds@linux-foundation.org>2020-06-02 15:04:15 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-06-02 15:04:15 -0700
commitfaa392181a0bd42c5478175cef601adeecdc91b6 (patch)
treee020e1142e34786676d0cd40f539bccdbb66099e /drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
parentcfa3b8068b09f25037146bfd5eed041b78878bee (diff)
parent9ca1f474cea0edc14a1d7ec933e5472c0ff115d3 (diff)
Merge tag 'drm-next-2020-06-02' of git://anongit.freedesktop.org/drm/drm
Pull drm updates from Dave Airlie: "Highlights: - Core DRM had a lot of refactoring around managed drm resources to make drivers simpler. - Intel Tigerlake support is on by default - amdgpu now support p2p PCI buffer sharing and encrypted GPU memory Details: core: - uapi: error out EBUSY when existing master - uapi: rework SET/DROP MASTER permission handling - remove drm_pci.h - drm_pci* are now legacy - introduced managed DRM resources - subclassing support for drm_framebuffer - simple encoder helper - edid improvements - vblank + writeback documentation improved - drm/mm - optimise tree searches - port drivers to use devm_drm_dev_alloc dma-buf: - add flag for p2p buffer support mst: - ACT timeout improvements - remove drm_dp_mst_has_audio - don't use 2nd TX slot - spec recommends against it bridge: - dw-hdmi various improvements - chrontel ch7033 support - fix stack issues with old gcc hdmi: - add unpack function for drm infoframe fbdev: - misc fbdev driver fixes i915: - uapi: global sseu pinning - uapi: OA buffer polling - uapi: remove generated perf code - uapi: per-engine default property values in sysfs - Tigerlake GEN12 enabled. - Lots of gem refactoring - Tigerlake enablement patches - move to drm_device logging - Icelake gamma HW readout - push MST link retrain to hotplug work - bandwidth atomic helpers - ICL fixes - RPS/GT refactoring - Cherryview full-ppgtt support - i915 locking guidelines documented - require linear fb stride to be 512 multiple on gen9 - Tigerlake SAGV support amdgpu: - uapi: encrypted GPU memory handling - uapi: add MEM_SYNC IB flag - p2p dma-buf support - export VRAM dma-bufs - FRU chip access support - RAS/SR-IOV updates - Powerplay locking fixes - VCN DPG (powergating) enablement - GFX10 clockgating fixes - DC fixes - GPU reset fixes - navi SDMA fix - expose FP16 for modesetting - DP 1.4 compliance fixes - gfx10 soft recovery - Improved Critical Thermal Faults handling - resizable BAR on gmc10 amdkfd: - uapi: GWS resource management - track GPU memory per process - report PCI domain in topology radeon: - safe reg list generator fixes nouveau: - HD audio fixes on recent systems - vGPU detection (fail probe if we're on one, for now) - Interlaced mode fixes (mostly avoidance on Turing, which doesn't support it) - SVM improvements/fixes - NVIDIA format modifier support - Misc other fixes. adv7511: - HDMI SPDIF support ast: - allocate crtc state size - fix double assignment - fix suspend bochs: - drop connector register cirrus: - move to tiny drivers. exynos: - fix imported dma-buf mapping - enable runtime PM - fixes and cleanups mediatek: - DPI pin mode swap - config mipi_tx current/impedance lima: - devfreq + cooling device support - task handling improvements - runtime PM support pl111: - vexpress init improvements - fix module auto-load rcar-du: - DT bindings conversion to YAML - Planes zpos sanity check and fix - MAINTAINERS entry for LVDS panel driver mcde: - fix return value mgag200: - use managed config init stm: - read endpoints from DT vboxvideo: - use PCI managed functions - drop WC mtrr vkms: - enable cursor by default rockchip: - afbc support virtio: - various cleanups qxl: - fix cursor notify port hisilicon: - 128-byte stride alignment fix sun4i: - improved format handling" * tag 'drm-next-2020-06-02' of git://anongit.freedesktop.org/drm/drm: (1401 commits) drm/amd/display: Fix potential integer wraparound resulting in a hang drm/amd/display: drop cursor position check in atomic test drm/amdgpu: fix device attribute node create failed with multi gpu drm/nouveau: use correct conflicting framebuffer API drm/vblank: Fix -Wformat compile warnings on some arches drm/amdgpu: Sync with VM root BO when switching VM to CPU update mode drm/amd/display: Handle GPU reset for DC block drm/amdgpu: add apu flags (v2) drm/amd/powerpay: Disable gfxoff when setting manual mode on picasso and raven drm/amdgpu: fix pm sysfs node handling (v2) drm/amdgpu: move gpu_info parsing after common early init drm/amdgpu: move discovery gfx config fetching drm/nouveau/dispnv50: fix runtime pm imbalance on error drm/nouveau: fix runtime pm imbalance on error drm/nouveau: fix runtime pm imbalance on error drm/nouveau/debugfs: fix runtime pm imbalance on error drm/nouveau/nouveau/hmm: fix migrate zero page to GPU drm/nouveau/nouveau/hmm: fix nouveau_dmem_chunk allocations drm/nouveau/kms/nv50-: Share DP SST mode_valid() handling with MST drm/nouveau/kms/nv50-: Move 8BPC limit for MST into nv50_mstc_get_modes() ...
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c169
1 files changed, 128 insertions, 41 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
index ab379b44679c..50fe08bf2f72 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
@@ -80,6 +80,20 @@ atomic_t amdgpu_ras_in_intr = ATOMIC_INIT(0);
static bool amdgpu_ras_check_bad_page(struct amdgpu_device *adev,
uint64_t addr);
+void amdgpu_ras_set_error_query_ready(struct amdgpu_device *adev, bool ready)
+{
+ if (adev && amdgpu_ras_get_context(adev))
+ amdgpu_ras_get_context(adev)->error_query_ready = ready;
+}
+
+bool amdgpu_ras_get_error_query_ready(struct amdgpu_device *adev)
+{
+ if (adev && amdgpu_ras_get_context(adev))
+ return amdgpu_ras_get_context(adev)->error_query_ready;
+
+ return false;
+}
+
static ssize_t amdgpu_ras_debugfs_read(struct file *f, char __user *buf,
size_t size, loff_t *pos)
{
@@ -281,8 +295,9 @@ static ssize_t amdgpu_ras_debugfs_ctrl_write(struct file *f, const char __user *
struct ras_debug_if data;
int ret = 0;
- if (amdgpu_ras_intr_triggered()) {
- DRM_WARN("RAS WARN: error injection currently inaccessible\n");
+ if (!amdgpu_ras_get_error_query_ready(adev)) {
+ dev_warn(adev->dev, "RAS WARN: error injection "
+ "currently inaccessible\n");
return size;
}
@@ -310,7 +325,8 @@ static ssize_t amdgpu_ras_debugfs_ctrl_write(struct file *f, const char __user *
/* umc ce/ue error injection for a bad page is not allowed */
if ((data.head.block == AMDGPU_RAS_BLOCK__UMC) &&
amdgpu_ras_check_bad_page(adev, data.inject.address)) {
- DRM_WARN("RAS WARN: 0x%llx has been marked as bad before error injection!\n",
+ dev_warn(adev->dev, "RAS WARN: 0x%llx has been marked "
+ "as bad before error injection!\n",
data.inject.address);
break;
}
@@ -399,7 +415,7 @@ static ssize_t amdgpu_ras_sysfs_read(struct device *dev,
.head = obj->head,
};
- if (amdgpu_ras_intr_triggered())
+ if (!amdgpu_ras_get_error_query_ready(obj->adev))
return snprintf(buf, PAGE_SIZE,
"Query currently inaccessible\n");
@@ -486,6 +502,29 @@ struct ras_manager *amdgpu_ras_find_obj(struct amdgpu_device *adev,
}
/* obj end */
+void amdgpu_ras_parse_status_code(struct amdgpu_device* adev,
+ const char* invoke_type,
+ const char* block_name,
+ enum ta_ras_status ret)
+{
+ switch (ret) {
+ case TA_RAS_STATUS__SUCCESS:
+ return;
+ case TA_RAS_STATUS__ERROR_RAS_NOT_AVAILABLE:
+ dev_warn(adev->dev,
+ "RAS WARN: %s %s currently unavailable\n",
+ invoke_type,
+ block_name);
+ break;
+ default:
+ dev_err(adev->dev,
+ "RAS ERROR: %s %s error failed ret 0x%X\n",
+ invoke_type,
+ block_name,
+ ret);
+ }
+}
+
/* feature ctl begin */
static int amdgpu_ras_is_feature_allowed(struct amdgpu_device *adev,
struct ras_common_if *head)
@@ -549,19 +588,23 @@ int amdgpu_ras_feature_enable(struct amdgpu_device *adev,
struct ras_common_if *head, bool enable)
{
struct amdgpu_ras *con = amdgpu_ras_get_context(adev);
- union ta_ras_cmd_input info;
+ union ta_ras_cmd_input *info;
int ret;
if (!con)
return -EINVAL;
+ info = kzalloc(sizeof(union ta_ras_cmd_input), GFP_KERNEL);
+ if (!info)
+ return -ENOMEM;
+
if (!enable) {
- info.disable_features = (struct ta_ras_disable_features_input) {
+ info->disable_features = (struct ta_ras_disable_features_input) {
.block_id = amdgpu_ras_block_to_ta(head->block),
.error_type = amdgpu_ras_error_to_ta(head->type),
};
} else {
- info.enable_features = (struct ta_ras_enable_features_input) {
+ info->enable_features = (struct ta_ras_enable_features_input) {
.block_id = amdgpu_ras_block_to_ta(head->block),
.error_type = amdgpu_ras_error_to_ta(head->type),
};
@@ -570,26 +613,33 @@ 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));
/* Are we alerady in that state we are going to set? */
- if (!(!!enable ^ !!amdgpu_ras_is_feature_enabled(adev, head)))
- return 0;
+ if (!(!!enable ^ !!amdgpu_ras_is_feature_enabled(adev, head))) {
+ ret = 0;
+ goto out;
+ }
if (!amdgpu_ras_intr_triggered()) {
- ret = psp_ras_enable_features(&adev->psp, &info, enable);
+ 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);
+ amdgpu_ras_parse_status_code(adev,
+ enable ? "enable":"disable",
+ ras_block_str(head->block),
+ (enum ta_ras_status)ret);
if (ret == TA_RAS_STATUS__RESET_NEEDED)
- return -EAGAIN;
- return -EINVAL;
+ ret = -EAGAIN;
+ else
+ ret = -EINVAL;
+
+ goto out;
}
}
/* setup the obj */
__amdgpu_ras_feature_enable(adev, head, enable);
-
- return 0;
+ ret = 0;
+out:
+ kfree(info);
+ return ret;
}
/* Only used in device probe stage and called only once. */
@@ -618,7 +668,8 @@ int amdgpu_ras_feature_enable_on_boot(struct amdgpu_device *adev,
if (ret == -EINVAL) {
ret = __amdgpu_ras_feature_enable(adev, head, 1);
if (!ret)
- DRM_INFO("RAS INFO: %s setup object\n",
+ dev_info(adev->dev,
+ "RAS INFO: %s setup object\n",
ras_block_str(head->block));
}
} else {
@@ -744,17 +795,48 @@ int amdgpu_ras_error_query(struct amdgpu_device *adev,
info->ce_count = obj->err_data.ce_count;
if (err_data.ce_count) {
- dev_info(adev->dev, "%ld correctable errors detected in %s block\n",
- obj->err_data.ce_count, ras_block_str(info->head.block));
+ dev_info(adev->dev, "%ld correctable hardware errors "
+ "detected in %s block, no user "
+ "action is needed.\n",
+ obj->err_data.ce_count,
+ ras_block_str(info->head.block));
}
if (err_data.ue_count) {
- dev_info(adev->dev, "%ld uncorrectable errors detected in %s block\n",
- obj->err_data.ue_count, ras_block_str(info->head.block));
+ dev_info(adev->dev, "%ld uncorrectable hardware errors "
+ "detected in %s block\n",
+ obj->err_data.ue_count,
+ ras_block_str(info->head.block));
}
return 0;
}
+/* Trigger XGMI/WAFL error */
+int amdgpu_ras_error_inject_xgmi(struct amdgpu_device *adev,
+ struct ta_ras_trigger_error_input *block_info)
+{
+ int ret;
+
+ if (amdgpu_dpm_set_df_cstate(adev, DF_CSTATE_DISALLOW))
+ dev_warn(adev->dev, "Failed to disallow df cstate");
+
+ if (amdgpu_dpm_allow_xgmi_power_down(adev, false))
+ dev_warn(adev->dev, "Failed to disallow XGMI power down");
+
+ ret = psp_ras_trigger_error(&adev->psp, block_info);
+
+ if (amdgpu_ras_intr_triggered())
+ return ret;
+
+ if (amdgpu_dpm_allow_xgmi_power_down(adev, true))
+ dev_warn(adev->dev, "Failed to allow XGMI power down");
+
+ if (amdgpu_dpm_set_df_cstate(adev, DF_CSTATE_DISALLOW))
+ dev_warn(adev->dev, "Failed to allow df cstate");
+
+ return ret;
+}
+
/* wrapper of psp_ras_trigger_error */
int amdgpu_ras_error_inject(struct amdgpu_device *adev,
struct ras_inject_if *info)
@@ -788,20 +870,22 @@ int amdgpu_ras_error_inject(struct amdgpu_device *adev,
break;
case AMDGPU_RAS_BLOCK__UMC:
case AMDGPU_RAS_BLOCK__MMHUB:
- case AMDGPU_RAS_BLOCK__XGMI_WAFL:
case AMDGPU_RAS_BLOCK__PCIE_BIF:
ret = psp_ras_trigger_error(&adev->psp, &block_info);
break;
+ case AMDGPU_RAS_BLOCK__XGMI_WAFL:
+ ret = amdgpu_ras_error_inject_xgmi(adev, &block_info);
+ break;
default:
- DRM_INFO("%s error injection is not supported yet\n",
+ dev_info(adev->dev, "%s error injection is not supported yet\n",
ras_block_str(info->head.block));
ret = -EINVAL;
}
- if (ret)
- DRM_ERROR("RAS ERROR: inject %s error failed ret %d\n",
- ras_block_str(info->head.block),
- ret);
+ amdgpu_ras_parse_status_code(adev,
+ "inject",
+ ras_block_str(info->head.block),
+ (enum ta_ras_status)ret);
return ret;
}
@@ -1430,9 +1514,10 @@ static void amdgpu_ras_do_recovery(struct work_struct *work)
struct amdgpu_hive_info *hive = amdgpu_get_xgmi_hive(adev, false);
/* Build list of devices to query RAS related errors */
- if (hive && adev->gmc.xgmi.num_physical_nodes > 1) {
+ if (hive && adev->gmc.xgmi.num_physical_nodes > 1)
device_list_handle = &hive->device_list;
- } else {
+ else {
+ INIT_LIST_HEAD(&device_list);
list_add_tail(&adev->gmc.xgmi.head, &device_list);
device_list_handle = &device_list;
}
@@ -1535,7 +1620,7 @@ static int amdgpu_ras_save_bad_pages(struct amdgpu_device *adev)
&data->bps[control->num_recs],
true,
save_count)) {
- DRM_ERROR("Failed to save EEPROM table data!");
+ dev_err(adev->dev, "Failed to save EEPROM table data!");
return -EIO;
}
@@ -1563,7 +1648,7 @@ static int amdgpu_ras_load_bad_pages(struct amdgpu_device *adev)
if (amdgpu_ras_eeprom_process_recods(control, bps, false,
control->num_recs)) {
- DRM_ERROR("Failed to load EEPROM table records!");
+ dev_err(adev->dev, "Failed to load EEPROM table records!");
ret = -EIO;
goto out;
}
@@ -1637,7 +1722,8 @@ int amdgpu_ras_reserve_bad_pages(struct amdgpu_device *adev)
AMDGPU_GPU_PAGE_SIZE,
AMDGPU_GEM_DOMAIN_VRAM,
&bo, NULL))
- DRM_WARN("RAS WARN: reserve vram for retired page %llx fail\n", bp);
+ dev_warn(adev->dev, "RAS WARN: reserve vram for "
+ "retired page %llx fail\n", bp);
data->bps_bo[i] = bo;
data->last_reserved = i + 1;
@@ -1725,7 +1811,7 @@ free:
kfree(*data);
con->eh_data = NULL;
out:
- DRM_WARN("Failed to initialize ras recovery!\n");
+ dev_warn(adev->dev, "Failed to initialize ras recovery!\n");
return ret;
}
@@ -1787,18 +1873,18 @@ static void amdgpu_ras_check_supported(struct amdgpu_device *adev,
return;
if (amdgpu_atomfirmware_mem_ecc_supported(adev)) {
- DRM_INFO("HBM ECC is active.\n");
+ dev_info(adev->dev, "HBM ECC is active.\n");
*hw_supported |= (1 << AMDGPU_RAS_BLOCK__UMC |
1 << AMDGPU_RAS_BLOCK__DF);
} else
- DRM_INFO("HBM ECC is not presented.\n");
+ dev_info(adev->dev, "HBM ECC is not presented.\n");
if (amdgpu_atomfirmware_sram_ecc_supported(adev)) {
- DRM_INFO("SRAM ECC is active.\n");
+ dev_info(adev->dev, "SRAM ECC is active.\n");
*hw_supported |= ~(1 << AMDGPU_RAS_BLOCK__UMC |
1 << AMDGPU_RAS_BLOCK__DF);
} else
- DRM_INFO("SRAM ECC is not presented.\n");
+ dev_info(adev->dev, "SRAM ECC is not presented.\n");
/* hw_supported needs to be aligned with RAS block mask. */
*hw_supported &= AMDGPU_RAS_BLOCK_MASK;
@@ -1855,7 +1941,7 @@ int amdgpu_ras_init(struct amdgpu_device *adev)
if (amdgpu_ras_fs_init(adev))
goto fs_out;
- DRM_INFO("RAS INFO: ras initialized successfully, "
+ dev_info(adev->dev, "RAS INFO: ras initialized successfully, "
"hardware ability[%x] ras_mask[%x]\n",
con->hw_supported, con->supported);
return 0;
@@ -2037,7 +2123,8 @@ void amdgpu_ras_global_ras_isr(struct amdgpu_device *adev)
return;
if (atomic_cmpxchg(&amdgpu_ras_in_intr, 0, 1) == 0) {
- DRM_WARN("RAS event of type ERREVENT_ATHUB_INTERRUPT detected!\n");
+ dev_info(adev->dev, "uncorrectable hardware error"
+ "(ERREVENT_ATHUB_INTERRUPT) detected!\n");
amdgpu_ras_reset_gpu(adev);
}