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| author | Riana Tauro <riana.tauro@intel.com> | 2025-08-26 12:04:17 +0530 |
|---|---|---|
| committer | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2025-08-26 10:11:34 -0400 |
| commit | d1f51a4f953da4ada15fa585c800ca98d627ce47 (patch) | |
| tree | b257b5d6063fe52f170b76d976d9be32c38c7798 /drivers/gpu/drm/xe/xe_debugfs.c | |
| parent | a7df563b45b03ac8aa480051cce8d49d7b489ec6 (diff) | |
| download | linux-next-d1f51a4f953da4ada15fa585c800ca98d627ce47.tar.gz linux-next-d1f51a4f953da4ada15fa585c800ca98d627ce47.zip | |
drm/xe/xe_hw_error: Add fault injection to trigger csc error handler
Add a debugfs fault handler to trigger csc error handler that
wedges the device and enables runtime survivability mode.
v2: add debugfs only for bmg (Umesh)
v3: do not use csc_fault attribute if debugfs is not enabled
v4: rebase
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Riana Tauro <riana.tauro@intel.com>
Reviewed-by: Raag Jadav <raag.jadav@intel.com>
Link: https://lore.kernel.org/r/20250826063419.3022216-11-riana.tauro@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 | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/gpu/drm/xe/xe_debugfs.c b/drivers/gpu/drm/xe/xe_debugfs.c index bc717519502d..8d6df6bd885e 100644 --- a/drivers/gpu/drm/xe/xe_debugfs.c +++ b/drivers/gpu/drm/xe/xe_debugfs.c @@ -35,6 +35,7 @@ #endif DECLARE_FAULT_ATTR(gt_reset_failure); +DECLARE_FAULT_ATTR(inject_csc_hw_error); static void read_residency_counter(struct xe_device *xe, struct xe_mmio *mmio, u32 offset, char *name, struct drm_printer *p) @@ -361,10 +362,13 @@ void xe_debugfs_register(struct xe_device *xe) ARRAY_SIZE(debugfs_list), root, minor); - if (xe->info.platform == XE_BATTLEMAGE) + if (xe->info.platform == XE_BATTLEMAGE) { drm_debugfs_create_files(debugfs_residencies, ARRAY_SIZE(debugfs_residencies), root, minor); + fault_create_debugfs_attr("inject_csc_hw_error", root, + &inject_csc_hw_error); + } debugfs_create_file("forcewake_all", 0400, root, xe, &forcewake_all_fops); |