From: Gustavo Padovan <gustavo@padovan.org>
To: "Christian König" <deathsimple@vodafone.de>
Cc: dri-devel@lists.freedesktop.org
Subject: Re: [PATCH 3/5] dma-buf/fence: revert "don't wait when specified timeout is zero"
Date: Mon, 7 Nov 2016 10:01:27 +0900 [thread overview]
Message-ID: <20161107010127.GG3327@joana> (raw)
In-Reply-To: <1476969615-4421-3-git-send-email-deathsimple@vodafone.de>
Hi Christian,
2016-10-20 Christian König <deathsimple@vodafone.de>:
> From: Christian König <christian.koenig@amd.com>
>
> This reverts commit 847b19a39e4c9b5e74c40f0842c48b41664cb43c.
>
> When we don't call the wait function software signaling might never be
> activated. This can cause infinite polling loops with unreliable interrupt
> driven hardware.
>
> Signed-off-by: Christian König <christian.koenig@amd.com>
> Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
> ---
> drivers/dma-buf/fence.c | 3 ---
> 1 file changed, 3 deletions(-)
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Gustavo
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next prev parent reply other threads:[~2016-11-07 1:01 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-20 13:20 [PATCH 1/5] Revert "drm/amd/dal: Fix underlay pipe and pipe count for Stoney" Christian König
2016-10-20 13:20 ` [PATCH 2/5] dma-buf/fence: make timeout handling in fence_default_wait consistent Christian König
2016-10-20 19:57 ` Alex Deucher
2016-11-07 0:59 ` Gustavo Padovan
2016-10-20 13:20 ` [PATCH 3/5] dma-buf/fence: revert "don't wait when specified timeout is zero" Christian König
2016-11-07 1:01 ` Gustavo Padovan [this message]
2016-10-20 13:20 ` [PATCH 4/5] drm/ttm: fix ttm_bo_wait Christian König
2016-11-07 1:07 ` Gustavo Padovan
2016-10-20 13:20 ` [PATCH 5/5] reservation: revert "wait only with non-zero timeout specified (v3)" v2 Christian König
2016-11-07 1:07 ` Gustavo Padovan
2016-11-07 17:55 ` Alex Deucher
2016-11-08 9:27 ` Daniel Vetter
2016-10-20 13:25 ` [PATCH 1/5] Revert "drm/amd/dal: Fix underlay pipe and pipe count for Stoney" Christian König
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