linux-kernel - [PATCH v2 1/4] drm/sched: Enable signaling for finished fence

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Message-ID: <20220905163502.4032-2-Arvind.Yadav@amd.com>
Date:   Mon, 5 Sep 2022 22:04:59 +0530
From:   Arvind Yadav <Arvind.Yadav@....com>
To:     <Christian.Koenig@....com>, <andrey.grodzovsky@....com>,
        <shashank.sharma@....com>, <amaranath.somalapuram@....com>,
        <Arunpravin.PaneerSelvam@....com>, <sumit.semwal@...aro.org>,
        <gustavo@...ovan.org>, <airlied@...ux.ie>, <daniel@...ll.ch>,
        <linux-media@...r.kernel.org>, <dri-devel@...ts.freedesktop.org>,
        <linaro-mm-sig@...ts.linaro.org>, <linux-kernel@...r.kernel.org>
CC:     Arvind Yadav <Arvind.Yadav@....com>
Subject: [PATCH v2 1/4] drm/sched: Enable signaling for finished fence

Here's enabling software signaling for finished fence.

Signed-off-by: Arvind Yadav <Arvind.Yadav@....com>
---

Changes in v1 :
1- Addressing Christian's comment to remove CONFIG_DEBUG_FS check from 
this patch. 
2- The version of this patch is also changed and previously
it was [PATCH 2/4]

---
 drivers/gpu/drm/scheduler/sched_main.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/scheduler/sched_main.c b/drivers/gpu/drm/scheduler/sched_main.c
index e0ab14e0fb6b..fe72de0e2911 100644
--- a/drivers/gpu/drm/scheduler/sched_main.c
+++ b/drivers/gpu/drm/scheduler/sched_main.c
@@ -962,6 +962,8 @@ static int drm_sched_main(void *param)
 			/* Drop for original kref_init of the fence */
 			dma_fence_put(fence);
 
+			dma_fence_enable_sw_signaling(&s_fence->finished);
+
 			r = dma_fence_add_callback(fence, &sched_job->cb,
 						   drm_sched_job_done_cb);
 			if (r == -ENOENT)
-- 
2.25.1