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path: root/drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c
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Diffstat (limited to 'drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c')
-rw-r--r--drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c29
1 files changed, 19 insertions, 10 deletions
diff --git a/drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c b/drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c
index 6146d1776bda..0a93831c0a02 100644
--- a/drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c
+++ b/drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c
@@ -106,15 +106,15 @@ static void xe_gt_tlb_fence_timeout(struct work_struct *work)
}
/**
- * xe_gt_tlb_invalidation_init - Initialize GT TLB invalidation state
- * @gt: graphics tile
+ * xe_gt_tlb_invalidation_init_early - Initialize GT TLB invalidation state
+ * @gt: GT structure
*
* Initialize GT TLB invalidation state, purely software initialization, should
* be called once during driver load.
*
* Return: 0 on success, negative error code on error.
*/
-int xe_gt_tlb_invalidation_init(struct xe_gt *gt)
+int xe_gt_tlb_invalidation_init_early(struct xe_gt *gt)
{
gt->tlb_invalidation.seqno = 1;
INIT_LIST_HEAD(&gt->tlb_invalidation.pending_fences);
@@ -128,7 +128,7 @@ int xe_gt_tlb_invalidation_init(struct xe_gt *gt)
/**
* xe_gt_tlb_invalidation_reset - Initialize GT TLB invalidation reset
- * @gt: graphics tile
+ * @gt: GT structure
*
* Signal any pending invalidation fences, should be called during a GT reset
*/
@@ -244,7 +244,7 @@ static int send_tlb_invalidation(struct xe_guc *guc,
/**
* xe_gt_tlb_invalidation_guc - Issue a TLB invalidation on this GT for the GuC
- * @gt: graphics tile
+ * @gt: GT structure
* @fence: invalidation fence which will be signal on TLB invalidation
* completion
*
@@ -261,14 +261,23 @@ static int xe_gt_tlb_invalidation_guc(struct xe_gt *gt,
0, /* seqno, replaced in send_tlb_invalidation */
MAKE_INVAL_OP(XE_GUC_TLB_INVAL_GUC),
};
+ int ret;
+
+ ret = send_tlb_invalidation(&gt->uc.guc, fence, action,
+ ARRAY_SIZE(action));
+ /*
+ * -ECANCELED indicates the CT is stopped for a GT reset. TLB caches
+ * should be nuked on a GT reset so this error can be ignored.
+ */
+ if (ret == -ECANCELED)
+ return 0;
- return send_tlb_invalidation(&gt->uc.guc, fence, action,
- ARRAY_SIZE(action));
+ return ret;
}
/**
* xe_gt_tlb_invalidation_ggtt - Issue a TLB invalidation on this GT for the GGTT
- * @gt: graphics tile
+ * @gt: GT structure
*
* Issue a TLB invalidation for the GGTT. Completion of TLB invalidation is
* synchronous.
@@ -317,7 +326,7 @@ int xe_gt_tlb_invalidation_ggtt(struct xe_gt *gt)
* xe_gt_tlb_invalidation_range - Issue a TLB invalidation on this GT for an
* address range
*
- * @gt: graphics tile
+ * @gt: GT structure
* @fence: invalidation fence which will be signal on TLB invalidation
* completion
* @start: start address
@@ -403,7 +412,7 @@ int xe_gt_tlb_invalidation_range(struct xe_gt *gt,
/**
* xe_gt_tlb_invalidation_vma - Issue a TLB invalidation on this GT for a VMA
- * @gt: graphics tile
+ * @gt: GT structure
* @fence: invalidation fence which will be signal on TLB invalidation
* completion, can be NULL
* @vma: VMA to invalidate