drm/radeon: hold reference to fences in radeon_sa_bo_new

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commit f6ff4f67cd upstream.

An arbitrary amount of time can pass between spin_unlock and
radeon_fence_wait_any, so we need to ensure that nobody frees the
fences from under us.

Based on the analogous fix for amdgpu.

Signed-off-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>

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Nicolai Hähnle 2016-02-05 14:35:53 -05:00 • committed by Luis Henriques

parent 6bfeca86da

commit 73187980df

1 changed files with 5 additions and 0 deletions

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drivers/gpu/drm/radeon/radeon_sa.c

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