diff options
| author | Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com> | 2023-07-27 04:56:50 +0530 |
|---|---|---|
| committer | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2023-12-21 11:39:15 -0500 |
| commit | 8f3013e0b22206b27f37dcf1b96ce68df3393040 (patch) | |
| tree | 6cb7413d278ff1d402a05a6b93c9ebede120148c /drivers/gpu/drm/xe/xe_debugfs.c | |
| parent | 4f027e304a6c7ae77150965d10b8a1edee0398a2 (diff) | |
drm/xe: Introduce fault injection for gt reset
To trigger gt reset failure:
echo 100 > /sys/kernel/debug/dri/<cardX>/fail_gt_reset/probability
echo 2 > /sys/kernel/debug/dri/<cardX>/fail_gt_reset/times
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Diffstat (limited to 'drivers/gpu/drm/xe/xe_debugfs.c')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_debugfs.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_debugfs.c b/drivers/gpu/drm/xe/xe_debugfs.c index 491506a1e12e..2de8a0b9da18 100644 --- a/drivers/gpu/drm/xe/xe_debugfs.c +++ b/drivers/gpu/drm/xe/xe_debugfs.c @@ -5,6 +5,7 @@ #include "xe_debugfs.h" +#include <linux/fault-inject.h> #include <linux/string_helpers.h> #include <drm/drm_debugfs.h> @@ -20,6 +21,10 @@ #include "xe_vm.h" #endif +#ifdef CONFIG_FAULT_INJECTION +DECLARE_FAULT_ATTR(gt_reset_failure); +#endif + static struct xe_device *node_to_xe(struct drm_info_node *node) { return to_xe_device(node->minor->dev); @@ -135,4 +140,9 @@ void xe_debugfs_register(struct xe_device *xe) for_each_gt(gt, xe, id) xe_gt_debugfs_register(gt); + +#ifdef CONFIG_FAULT_INJECTION + fault_create_debugfs_attr("fail_gt_reset", root, >_reset_failure); +#endif + } |