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drm/xe: Add xe_gt_tlb_invalidation_fence_init helper

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Other layers should not be touching struct xe_gt_tlb_invalidation_fence
directly, add helper for initialization.

v2:
 - Add dma_fence_get and list init to xe_gt_tlb_invalidation_fence_init

Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Nirmoy Das <nirmoy.das@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240719172905.1527927-2-matthew.brost@intel.com
This commit is contained in:
Matthew Brost 2024-07-19 10:29:02 -07:00
parent ad16682db1
commit a522b285c6
3 changed files with 40 additions and 25 deletions
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36
drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c
View File

@ -508,3 +508,39 @@ int xe_guc_tlb_invalidation_done_handler(struct xe_guc *guc, u32 *msg, u32 len)
return 0;
}
static const char *
invalidation_fence_get_driver_name(struct dma_fence *dma_fence)
{
return "xe";
}
static const char *
invalidation_fence_get_timeline_name(struct dma_fence *dma_fence)
{
return "invalidation_fence";
}
static const struct dma_fence_ops invalidation_fence_ops = {
.get_driver_name = invalidation_fence_get_driver_name,
.get_timeline_name = invalidation_fence_get_timeline_name,
};
/**
* xe_gt_tlb_invalidation_fence_init - Initialize TLB invalidation fence
* @gt: GT
* @fence: TLB invalidation fence to initialize
*
* Initialize TLB invalidation fence for use
*/
void xe_gt_tlb_invalidation_fence_init(struct xe_gt *gt,
struct xe_gt_tlb_invalidation_fence *fence)
{
spin_lock_irq(&gt->tlb_invalidation.lock);
dma_fence_init(&fence->base, &invalidation_fence_ops,
&gt->tlb_invalidation.lock,
dma_fence_context_alloc(1), 1);
spin_unlock_irq(&gt->tlb_invalidation.lock);
INIT_LIST_HEAD(&fence->link);
dma_fence_get(&fence->base);
}

3
drivers/gpu/drm/xe/xe_gt_tlb_invalidation.h
View File

@ -26,4 +26,7 @@ int xe_gt_tlb_invalidation_range(struct xe_gt *gt,
int xe_gt_tlb_invalidation_wait(struct xe_gt *gt, int seqno);
int xe_guc_tlb_invalidation_done_handler(struct xe_guc *guc, u32 *msg, u32 len);
void xe_gt_tlb_invalidation_fence_init(struct xe_gt *gt,
struct xe_gt_tlb_invalidation_fence *fence);
#endif /* _XE_GT_TLB_INVALIDATION_ */

26
drivers/gpu/drm/xe/xe_pt.c
View File

@ -1317,23 +1317,6 @@ struct invalidation_fence {
u32 asid;
};
static const char *
invalidation_fence_get_driver_name(struct dma_fence *dma_fence)
{
return "xe";
}
static const char *
invalidation_fence_get_timeline_name(struct dma_fence *dma_fence)
{
return "invalidation_fence";
}
static const struct dma_fence_ops invalidation_fence_ops = {
.get_driver_name = invalidation_fence_get_driver_name,
.get_timeline_name = invalidation_fence_get_timeline_name,
};
static void invalidation_fence_cb(struct dma_fence *fence,
struct dma_fence_cb *cb)
{
@ -1372,15 +1355,8 @@ static void invalidation_fence_init(struct xe_gt *gt,
trace_xe_gt_tlb_invalidation_fence_create(gt_to_xe(gt), &ifence->base);
spin_lock_irq(&gt->tlb_invalidation.lock);
dma_fence_init(&ifence->base.base, &invalidation_fence_ops,
&gt->tlb_invalidation.lock,
dma_fence_context_alloc(1), 1);
spin_unlock_irq(&gt->tlb_invalidation.lock);
xe_gt_tlb_invalidation_fence_init(gt, &ifence->base);
INIT_LIST_HEAD(&ifence->base.link);
dma_fence_get(&ifence->base.base); /* Ref for caller */
ifence->fence = fence;
ifence->gt = gt;
ifence->start = start;