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32 lines
978 B
Diff
32 lines
978 B
Diff
From 339073ef77e45e87ec4cc8671b2d2328dcfd31f0 Mon Sep 17 00:00:00 2001
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From: Lucas Stach <l.stach@pengutronix.de>
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Date: Fri, 22 Jan 2016 12:03:03 +0100
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Subject: [PATCH] drm/etnaviv: hold object lock while getting pages for
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coredump
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While all objects that get coredumped have an active IOVA and thus
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pages already populated, etnaviv_gem_get_pages() still requires the
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object lock to be held.
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Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
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---
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drivers/gpu/drm/etnaviv/etnaviv_dump.c | 2 ++
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1 file changed, 2 insertions(+)
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diff --git a/drivers/gpu/drm/etnaviv/etnaviv_dump.c b/drivers/gpu/drm/etnaviv/etnaviv_dump.c
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index bf8fa85..fd7d3e9 100644
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--- a/drivers/gpu/drm/etnaviv/etnaviv_dump.c
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+++ b/drivers/gpu/drm/etnaviv/etnaviv_dump.c
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@@ -201,7 +201,9 @@ void etnaviv_core_dump(struct etnaviv_gpu *gpu)
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obj = vram->object;
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+ mutex_lock(&obj->lock);
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pages = etnaviv_gem_get_pages(obj);
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+ mutex_unlock(&obj->lock);
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if (pages) {
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int j;
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--
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2.7.0.rc3
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