[PATCH 2/4] drm/xe/xe_drm_ras: Add support for clear-error-counter in XE DRM RAS
flat view
STALE158d
From: Riana Tauro <hidden>
Date: 2026-03-11 09:58:37
Also in:
dri-devel, intel-xe
Subsystem:
drm drivers, intel drm xe driver (lunar lake and newer), the rest · Maintainers:
David Airlie, Simona Vetter, Matthew Brost, Thomas Hellström, Rodrigo Vivi, Linus Torvalds
Add support for clear-error-counter command in XE DRM RAS.
This resets the counter value.
Usage:
$ sudo ynl --family drm_ras --do clear-error-counter --json \
'{"node-id":1, "error-id":1}'
None
Signed-off-by: Riana Tauro <redacted>
---
drivers/gpu/drm/xe/xe_drm_ras.c | 35 +++++++++++++++++++++++++++++++--
1 file changed, 33 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/xe/xe_drm_ras.c b/drivers/gpu/drm/xe/xe_drm_ras.c
index e07dc23a155e..c21c8b428de6 100644
--- a/drivers/gpu/drm/xe/xe_drm_ras.c
+++ b/drivers/gpu/drm/xe/xe_drm_ras.c@@ -27,6 +27,16 @@ static int hw_query_error_counter(struct xe_drm_ras_counter *info, return 0; } +static int hw_clear_error_counter(struct xe_drm_ras_counter *info, u32 error_id) +{ + if (!info || !info[error_id].name) + return -ENOENT; + + atomic_set(&info[error_id].counter, 0); + + return 0; +} + static int query_uncorrectable_error_counter(struct drm_ras_node *ep, u32 error_id, const char **name, u32 *val) {
@@ -37,6 +47,15 @@ static int query_uncorrectable_error_counter(struct drm_ras_node *ep, u32 error_ return hw_query_error_counter(info, error_id, name, val); } +static int clear_uncorrectable_error_counter(struct drm_ras_node *node, u32 error_id) +{ + struct xe_device *xe = node->priv; + struct xe_drm_ras *ras = &xe->ras; + struct xe_drm_ras_counter *info = ras->info[DRM_XE_RAS_ERR_SEV_UNCORRECTABLE]; + + return hw_clear_error_counter(info, error_id); +} + static int query_correctable_error_counter(struct drm_ras_node *ep, u32 error_id, const char **name, u32 *val) {
@@ -47,6 +66,15 @@ static int query_correctable_error_counter(struct drm_ras_node *ep, u32 error_id return hw_query_error_counter(info, error_id, name, val); } +static int clear_correctable_error_counter(struct drm_ras_node *node, u32 error_id) +{ + struct xe_device *xe = node->priv; + struct xe_drm_ras *ras = &xe->ras; + struct xe_drm_ras_counter *info = ras->info[DRM_XE_RAS_ERR_SEV_CORRECTABLE]; + + return hw_clear_error_counter(info, error_id); +} + static struct xe_drm_ras_counter *allocate_and_copy_counters(struct xe_device *xe) { struct xe_drm_ras_counter *counter;
@@ -92,10 +120,13 @@ static int assign_node_params(struct xe_device *xe, struct drm_ras_node *node, if (IS_ERR(ras->info[severity])) return PTR_ERR(ras->info[severity]); - if (severity == DRM_XE_RAS_ERR_SEV_CORRECTABLE) + if (severity == DRM_XE_RAS_ERR_SEV_CORRECTABLE) { node->query_error_counter = query_correctable_error_counter; - else + node->clear_error_counter = clear_correctable_error_counter; + } else { node->query_error_counter = query_uncorrectable_error_counter; + node->clear_error_counter = clear_uncorrectable_error_counter; + } return 0; }
--
2.47.1