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| author | Lucas Stach <l.stach@pengutronix.de> | 2017-11-17 19:59:26 +0300 |
|---|---|---|
| committer | Lucas Stach <l.stach@pengutronix.de> | 2018-01-02 19:25:11 +0300 |
| commit | 40c27bdeb00ba234d5062b7c51467a9a51c4606c (patch) | |
| tree | c8f769b6e7d7920976a86d1894f321bc36dafaeb | |
| parent | a7790d78092e5904beb4de71e1ea43b260d2092a (diff) | |
| download | linux-40c27bdeb00ba234d5062b7c51467a9a51c4606c.tar.xz | |
drm/etnaviv: hold GPU lock while inserting END command
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>
| -rw-r--r-- | drivers/gpu/drm/etnaviv/etnaviv_gpu.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c index 6176704bdae3..c4f518d56ead 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c @@ -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 |