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Commit 40c27bde authored by Lucas Stach's avatar Lucas Stach
Browse files

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: default avatarLucas Stach <l.stach@pengutronix.de>
Reviewed-by: default avatarPhilipp Zabel <p.zabel@pengutronix.de>
Reviewed-by: default avatarChristian Gmeiner <christian.gmeiner@gmail.com>
parent a7790d78

drivers/gpu/drm/etnaviv/etnaviv_gpu.c

+2 −0
Original line number Diff line number Diff line
@@ -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