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drm/etnaviv: hold GPU lock while inserting END command

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Inserting the END command when suspending the GPU is changing the
command buffer state, which requires the GPU to be held.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Reviewed-by: Christian Gmeiner <christian.gmeiner@gmail.com>
This commit is contained in:
Lucas Stach 2017-11-17 17:59:26 +01:00
parent a7790d7809
commit 40c27bdeb0
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/etnaviv/etnaviv_gpu.c
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@ -1631,7 +1631,9 @@ static int etnaviv_gpu_hw_suspend(struct etnaviv_gpu *gpu)
{
if (gpu->buffer) {
/* Replace the last WAIT with END */
mutex_lock(&gpu->lock);
etnaviv_buffer_end(gpu);
mutex_unlock(&gpu->lock);
/*
* We know that only the FE is busy here, this should