diff options
| author | Balasubramani Vivekanandan <balasubramani.vivekanandan@intel.com> | 2026-05-22 22:05:32 +0530 |
|---|---|---|
| committer | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2026-05-27 11:27:22 -0400 |
| commit | f657a6a3ba4c20bc01f5be3752d53498ee1bfe35 (patch) | |
| tree | 4f8c648e353a12055c4b3e5458a577a7b0806705 | |
| parent | e7ae89a0c97ce2b68b0983cd01eda67cf373517d (diff) | |
drm/xe: Restore IDLEDLY regiter on engine reset
Wa_16023105232 programs the register IDLEDLY. The register is reset
whenever the engine is reset. Therefore it should be added to the GuC
save-restore register list for it to be restored after reset.
Fixes: 7c53ff050ba8 ("drm/xe: Apply Wa_16023105232")
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patch.msgid.link/20260522163531.1365540-2-balasubramani.vivekanandan@intel.com
Signed-off-by: Balasubramani Vivekanandan <balasubramani.vivekanandan@intel.com>
(cherry picked from commit df1cfe24743a93b71eab27687e148ab8ae9b69e3)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
| -rw-r--r-- | drivers/gpu/drm/xe/xe_guc_ads.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_guc_ads.c b/drivers/gpu/drm/xe/xe_guc_ads.c index 2b835d48b565..5760251cb685 100644 --- a/drivers/gpu/drm/xe/xe_guc_ads.c +++ b/drivers/gpu/drm/xe/xe_guc_ads.c @@ -767,6 +767,11 @@ static unsigned int guc_mmio_regset_write(struct xe_guc_ads *ads, } } + if (XE_GT_WA(hwe->gt, 16023105232)) + guc_mmio_regset_write_one(ads, regset_map, + RING_IDLEDLY(hwe->mmio_base), + count++); + return count; } |