It only written and we don't infer any useful information from
it anymore. Remove it.

Signed-off-by: Lucas Stach <[email protected]>
---
 drivers/gpu/drm/etnaviv/etnaviv_buffer.c | 2 --
 drivers/gpu/drm/etnaviv/etnaviv_drv.c    | 8 +-------
 drivers/gpu/drm/etnaviv/etnaviv_gpu.c    | 2 --
 drivers/gpu/drm/etnaviv/etnaviv_gpu.h    | 1 -
 4 files changed, 1 insertion(+), 12 deletions(-)

diff --git a/drivers/gpu/drm/etnaviv/etnaviv_buffer.c 
b/drivers/gpu/drm/etnaviv/etnaviv_buffer.c
index 7fea74861a87..160ce3c060a5 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_buffer.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_buffer.c
@@ -439,6 +439,4 @@ void etnaviv_buffer_queue(struct etnaviv_gpu *gpu, u32 
exec_state,
 
        if (drm_debug & DRM_UT_DRIVER)
                etnaviv_buffer_dump(gpu, buffer, 0, 0x50);
-
-       gpu->lastctx = cmdbuf->ctx;
 }
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_drv.c 
b/drivers/gpu/drm/etnaviv/etnaviv_drv.c
index 1bb1d09e5fb0..96efc84396bf 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_drv.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_drv.c
@@ -72,14 +72,8 @@ static void etnaviv_postclose(struct drm_device *dev, struct 
drm_file *file)
        for (i = 0; i < ETNA_MAX_PIPES; i++) {
                struct etnaviv_gpu *gpu = priv->gpu[i];
 
-               if (gpu) {
-                       mutex_lock(&gpu->lock);
-                       if (gpu->lastctx == ctx)
-                               gpu->lastctx = NULL;
-                       mutex_unlock(&gpu->lock);
-
+               if (gpu)
                        drm_sched_entity_destroy(&ctx->sched_entity[i]);
-               }
        }
 
        kfree(ctx);
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c 
b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
index aefb17e39ad0..6904535475de 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
@@ -997,7 +997,6 @@ void etnaviv_gpu_recover_hang(struct etnaviv_gpu *gpu)
        spin_unlock(&gpu->event_spinlock);
 
        etnaviv_gpu_hw_init(gpu);
-       gpu->lastctx = NULL;
        gpu->exec_state = -1;
 
        mutex_unlock(&gpu->lock);
@@ -1546,7 +1545,6 @@ static int etnaviv_gpu_hw_resume(struct etnaviv_gpu *gpu)
        etnaviv_gpu_update_clock(gpu);
        etnaviv_gpu_hw_init(gpu);
 
-       gpu->lastctx = NULL;
        gpu->exec_state = -1;
 
        mutex_unlock(&gpu->lock);
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.h 
b/drivers/gpu/drm/etnaviv/etnaviv_gpu.h
index 56b6a8ee7ec0..9bcf151f706b 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.h
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.h
@@ -97,7 +97,6 @@ struct etnaviv_gpu {
        struct mutex lock;
        struct etnaviv_chip_identity identity;
        enum etnaviv_sec_mode sec_mode;
-       struct etnaviv_file_private *lastctx;
        struct workqueue_struct *wq;
        struct drm_gpu_scheduler sched;
 
-- 
2.19.1

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