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drm/xe/pf: Fix xe_gt_sriov_pf_config_print_available_ggtt()

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This function is using internal helper pf_get_spare_ggtt() that
expects PF's master mutex to be locked. Fix that.

Fixes: ac6598aed1 ("drm/xe/pf: Add support to configure SR-IOV VFs")
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Piotr Piórkowski <piotr.piorkowski@intel.com>
Reviewed-by: Piotr Piórkowski <piotr.piorkowski@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240419141000.314-1-michal.wajdeczko@intel.com
This commit is contained in:
Michal Wajdeczko 2024-04-19 16:10:00 +02:00
parent 783d6cdc82
commit d3b80dc7aa
1 changed files with 6 additions and 2 deletions
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8
drivers/gpu/drm/xe/xe_gt_sriov_pf_config.c
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@ -1932,14 +1932,17 @@ int xe_gt_sriov_pf_config_print_available_ggtt(struct xe_gt *gt, struct drm_prin
const struct drm_mm *mm = &ggtt->mm;
const struct drm_mm_node *entry;
u64 alignment = pf_get_ggtt_alignment(gt);
u64 spare = pf_get_spare_ggtt(gt);
u64 hole_min_start = xe_wopcm_size(gt_to_xe(gt));
u64 hole_start, hole_end, hole_size;
u64 avail, total = 0;
u64 spare, avail, total = 0;
char buf[10];
xe_gt_assert(gt, IS_SRIOV_PF(gt_to_xe(gt)));
mutex_lock(xe_gt_sriov_pf_master_mutex(gt));
spare = pf_get_spare_ggtt(gt);
mutex_lock(&ggtt->lock);
drm_mm_for_each_hole(entry, mm, hole_start, hole_end) {
@ -1957,6 +1960,7 @@ int xe_gt_sriov_pf_config_print_available_ggtt(struct xe_gt *gt, struct drm_prin
}
mutex_unlock(&ggtt->lock);
mutex_unlock(xe_gt_sriov_pf_master_mutex(gt));
string_get_size(total, 1, STRING_UNITS_2, buf, sizeof(buf));
drm_printf(p, "total:\t%llu\t(%s)\n", total, buf);