linux-kernel - [PATCH v1] Fix: SYNCOBJ TIMELINE Test failed.

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Date:   Wed, 29 Jun 2022 14:02:36 +0800
From:   jie1zhan <jesse.zhang@....com>
To:     <broonie@...nel.org>, <alsa-devel@...a-project.org>
CC:     <Vijendar.Mukunda@....com>, <Basavaraj.Hiregoudar@....com>,
        <Sunil-kumar.Dommati@....com>, <ajitkumar.pandey@....com>,
        jie1zhan <jesse.zhang@....com>,
        Christian König <christian.koenig@....com>,
        Nirmoy Das <nirmoy.das@...ux.intel.com>,
        "Maarten Lankhorst" <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Sumit Semwal <sumit.semwal@...aro.org>,
        "open list:DRM DRIVERS" <dri-devel@...ts.freedesktop.org>,
        open list <linux-kernel@...r.kernel.org>,
        "open list:DMA BUFFER SHARING FRAMEWORK" 
        <linux-media@...r.kernel.org>,
        "moderated list:DMA BUFFER SHARING FRAMEWORK" 
        <linaro-mm-sig@...ts.linaro.org>
Subject: [PATCH v1] Fix: SYNCOBJ TIMELINE Test failed.

 The issue cause by the commit :

721255b527(drm/syncobj: flatten dma_fence_chains on transfer).

Because it use the point of dma_fence incorrectly

Correct the point of dma_fence by fence array

Signed-off-by: jie1zhan <jesse.zhang@....com>

Reviewed-by: Christian König <christian.koenig@....com>

Reviewed-by: Nirmoy Das <nirmoy.das@...ux.intel.com>
---
 drivers/gpu/drm/drm_syncobj.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_syncobj.c b/drivers/gpu/drm/drm_syncobj.c
index 7e48dcd1bee4..d5db818f1c76 100644
--- a/drivers/gpu/drm/drm_syncobj.c
+++ b/drivers/gpu/drm/drm_syncobj.c
@@ -887,7 +887,7 @@ static int drm_syncobj_flatten_chain(struct dma_fence **f)
 		goto free_fences;
 
 	dma_fence_put(*f);
-	*f = &array->base;
+	*f = array->fences[0];
 	return 0;
 
 free_fences:
-- 
2.25.1