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d="scan'208";a="51152677" Received: from lstrano-desk.jf.intel.com ([10.54.39.91]) by orviesa006-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Jul 2024 11:54:46 -0700 From: Matthew Brost To: intel-xe@lists.freedesktop.org Subject: [PATCH v4 1/4] drm/xe: Add xe_gt_tlb_invalidation_fence_init helper Date: Thu, 18 Jul 2024 11:55:28 -0700 Message-Id: <20240718185531.1500815-2-matthew.brost@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240718185531.1500815-1-matthew.brost@intel.com> References: <20240718185531.1500815-1-matthew.brost@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" 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 Reviewed-by: Nirmoy Das --- drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c | 36 +++++++++++++++++++++ drivers/gpu/drm/xe/xe_gt_tlb_invalidation.h | 3 ++ drivers/gpu/drm/xe/xe_pt.c | 26 +-------------- 3 files changed, 40 insertions(+), 25 deletions(-) diff --git a/drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c b/drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c index d9359976ab8b..92a18a0e4acd 100644 --- a/drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c +++ b/drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c @@ -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(>->tlb_invalidation.lock); + dma_fence_init(&fence->base, &invalidation_fence_ops, + >->tlb_invalidation.lock, + dma_fence_context_alloc(1), 1); + spin_unlock_irq(>->tlb_invalidation.lock); + INIT_LIST_HEAD(&fence->link); + dma_fence_get(&fence->base); +} diff --git a/drivers/gpu/drm/xe/xe_gt_tlb_invalidation.h b/drivers/gpu/drm/xe/xe_gt_tlb_invalidation.h index bf3bebd9f985..948f4a2f5214 100644 --- a/drivers/gpu/drm/xe/xe_gt_tlb_invalidation.h +++ b/drivers/gpu/drm/xe/xe_gt_tlb_invalidation.h @@ -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_ */ diff --git a/drivers/gpu/drm/xe/xe_pt.c b/drivers/gpu/drm/xe/xe_pt.c index f391de908033..1caa99b22c73 100644 --- a/drivers/gpu/drm/xe/xe_pt.c +++ b/drivers/gpu/drm/xe/xe_pt.c @@ -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(>->tlb_invalidation.lock); - dma_fence_init(&ifence->base.base, &invalidation_fence_ops, - >->tlb_invalidation.lock, - dma_fence_context_alloc(1), 1); - spin_unlock_irq(>->tlb_invalidation.lock); - - INIT_LIST_HEAD(&ifence->base.link); + xe_gt_tlb_invalidation_fence_init(gt, &ifence->base); - dma_fence_get(&ifence->base.base); /* Ref for caller */ ifence->fence = fence; ifence->gt = gt; ifence->start = start; -- 2.34.1