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drm/xe/oa: Fix static checker warning about null gt

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There is a static checker warning that gt returned by xe_device_get_gt can
be NULL and that is being dereferenced. Use xe_root_mmio_gt instead, which
is equivalent and cannot return a NULL gt 0.

Fixes: 10d42ef34b ("drm/xe/oa: Assign hwe for OAM_SAG")
Signed-off-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Reviewed-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Link: https://lore.kernel.org/r/20250715181422.2807624-1-ashutosh.dixit@intel.com
(cherry picked from commit 308dc9b278)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
This commit is contained in:
Ashutosh Dixit 2025-07-15 11:14:22 -07:00 committed by Rodrigo Vivi
parent d9e9aa3e97
commit 6aaceed7fe
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1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/xe/xe_oa.c
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@ -1941,7 +1941,7 @@ static int xe_oa_assign_hwe(struct xe_oa *oa, struct xe_oa_open_param *param)
/* If not provided, OA unit defaults to OA unit 0 as per uapi */
if (!param->oa_unit)
param->oa_unit = &xe_device_get_gt(oa->xe, 0)->oa.oa_unit[0];
param->oa_unit = &xe_root_mmio_gt(oa->xe)->oa.oa_unit[0];
/* When we have an exec_q, get hwe from the exec_q */
if (param->exec_q) {