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drm/xe/guc: Fix capture of steering registers

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The list of registers to capture on a GPU hang includes some that
require steering. Unfortunately, the flag to say this was being wiped
to due a missing OR on the assignment of the next flag field.

Fix that.

Fixes: b170d696c1 ("drm/xe/guc: Add XE_LP steered register lists")
Cc: Zhanjun Dong <zhanjun.dong@intel.com>
Cc: Alan Previn <alan.previn.teres.alexis@intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: "Thomas Hellström" <thomas.hellstrom@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: intel-xe@lists.freedesktop.org
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Zhanjun Dong <zhanjun.dong@intel.com>
Link: https://lore.kernel.org/r/20250417195215.3002210-2-John.C.Harrison@Intel.com
(cherry picked from commit 532da44b54)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
This commit is contained in:
John Harrison
2025-04-17 12:52:12 -07:00
committed by Lucas De Marchi
parent c1c9cad50c
commit 5e639707dd
1 changed files with 1 additions and 1 deletions
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drivers/gpu/drm/xe/xe_guc_capture.c
+1 -1
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@@ -359,7 +359,7 @@ static void __fill_ext_reg(struct __guc_mmio_reg_descr *ext,
ext->reg = XE_REG(extlist->reg.__reg.addr);
ext->flags = FIELD_PREP(GUC_REGSET_STEERING_NEEDED, 1);
ext->flags = FIELD_PREP(GUC_REGSET_STEERING_GROUP, slice_id);
ext->flags |= FIELD_PREP(GUC_REGSET_STEERING_GROUP, slice_id);
ext->flags |= FIELD_PREP(GUC_REGSET_STEERING_INSTANCE, subslice_id);
ext->regname = extlist->name;
}