drm/msm: Drop priv->lastctx

cur_ctx_seqno already does the same thing, but handles the edge cases
where a refcnt'd context can live after lastclose.  So let's not have
two ways to do the same thing.

Signed-off-by: Rob Clark <robdclark@chromium.org>
Reviewed-by: Akhil P Oommen <akhilpo@codeaurora.org>
Link: https://lore.kernel.org/r/20211109181117.591148-3-robdclark@gmail.com
Signed-off-by: Rob Clark <robdclark@chromium.org>

1 files changed, 0 insertions, 10 deletions

diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.h b/drivers/gpu/drm/msm/adreno/a6xx_gpu.h
index 8e5527c881b1..86e0a7c3fe6d 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.h
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.h
@@ -20,16 +20,6 @@ struct a6xx_gpu {
 
 	struct msm_ringbuffer *cur_ring;
 
-	/**
-	 * cur_ctx_seqno:
-	 *
-	 * The ctx->seqno value of the context with current pgtables
-	 * installed.  Tracked by seqno rather than pointer value to
-	 * avoid dangling pointers, and cases where a ctx can be freed
-	 * and a new one created with the same address.
-	 */
-	int cur_ctx_seqno;
-
 	struct a6xx_gmu gmu;
 
 	struct drm_gem_object *shadow_bo;