From: Lukasz Laguna <[email protected]> Instead of accessing VF's lmem_obj directly, introduce a helper function to make the access more convenient.
Signed-off-by: Lukasz Laguna <[email protected]> --- drivers/gpu/drm/xe/xe_gt_sriov_pf_config.c | 30 ++++++++++++++++++++++ drivers/gpu/drm/xe/xe_gt_sriov_pf_config.h | 1 + 2 files changed, 31 insertions(+) diff --git a/drivers/gpu/drm/xe/xe_gt_sriov_pf_config.c b/drivers/gpu/drm/xe/xe_gt_sriov_pf_config.c index 51027921b2988..94e434cac5cda 100644 --- a/drivers/gpu/drm/xe/xe_gt_sriov_pf_config.c +++ b/drivers/gpu/drm/xe/xe_gt_sriov_pf_config.c @@ -1662,6 +1662,36 @@ int xe_gt_sriov_pf_config_bulk_set_lmem(struct xe_gt *gt, unsigned int vfid, "LMEM", n, err); } +static struct xe_bo *pf_get_vf_config_lmem_obj(struct xe_gt *gt, unsigned int vfid) +{ + struct xe_gt_sriov_config *config = pf_pick_vf_config(gt, vfid); + + return config->lmem_obj; +} + +/** + * xe_gt_sriov_pf_config_get_lmem_obj - Take a reference to &struct xe_bo backing VF LMEM. + * @gt: the &struct xe_gt + * @vfid: the VF identifier + * + * This function can only be called on PF. + * + * Return: pointer to &struct xe_bo backing VF LMEM. + */ +struct xe_bo *xe_gt_sriov_pf_config_get_lmem_obj(struct xe_gt *gt, unsigned int vfid) +{ + struct xe_bo *lmem_obj; + + xe_gt_assert(gt, vfid); + + mutex_lock(xe_gt_sriov_pf_master_mutex(gt)); + lmem_obj = pf_get_vf_config_lmem_obj(gt, vfid); + xe_bo_get(lmem_obj); + mutex_unlock(xe_gt_sriov_pf_master_mutex(gt)); + + return lmem_obj; +} + static u64 pf_query_free_lmem(struct xe_gt *gt) { struct xe_tile *tile = gt->tile; diff --git a/drivers/gpu/drm/xe/xe_gt_sriov_pf_config.h b/drivers/gpu/drm/xe/xe_gt_sriov_pf_config.h index 6916b8f58ebf2..03c5dc0cd5fef 100644 --- a/drivers/gpu/drm/xe/xe_gt_sriov_pf_config.h +++ b/drivers/gpu/drm/xe/xe_gt_sriov_pf_config.h @@ -36,6 +36,7 @@ int xe_gt_sriov_pf_config_set_lmem(struct xe_gt *gt, unsigned int vfid, u64 size int xe_gt_sriov_pf_config_set_fair_lmem(struct xe_gt *gt, unsigned int vfid, unsigned int num_vfs); int xe_gt_sriov_pf_config_bulk_set_lmem(struct xe_gt *gt, unsigned int vfid, unsigned int num_vfs, u64 size); +struct xe_bo *xe_gt_sriov_pf_config_get_lmem_obj(struct xe_gt *gt, unsigned int vfid); u32 xe_gt_sriov_pf_config_get_exec_quantum(struct xe_gt *gt, unsigned int vfid); int xe_gt_sriov_pf_config_set_exec_quantum(struct xe_gt *gt, unsigned int vfid, u32 exec_quantum); -- 2.50.1
