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@xxxxxxxxxxxxxx>
---
drivers/gpu/drm/etnaviv/etnaviv_gpu.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
index 1e1e34adb07f..85f6ee1da016 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
--
2.11.0
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