linux-kernel - [PATCH] drm/etnaviv: Drop unused data member from the etnaviv_gem

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Message-Id: <20241102042652.3325597-1-sui.jingfeng@linux.dev>
Date: Sat,  2 Nov 2024 12:26:52 +0800
From: Sui Jingfeng <sui.jingfeng@...ux.dev>
To: Lucas Stach <l.stach@...gutronix.de>,
	Russell King <linux+etnaviv@...linux.org.uk>,
	Christian Gmeiner <christian.gmeiner@...il.com>
Cc: David Airlie <airlied@...il.com>,
	Simona Vetter <simona@...ll.ch>,
	etnaviv@...ts.freedesktop.org,
	dri-devel@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org,
	Sui Jingfeng <sui.jingfeng@...ux.dev>
Subject: [PATCH] drm/etnaviv: Drop unused data member from the etnaviv_gem_object structure

Referencing the 'struct etnaviv_gpu *' by every etnaviv GEM BO is weird.
Drop it and drop yet another unused data field, namely 'access'.

Memory footprint of etnaviv GEM BOs reduced.

Signed-off-by: Sui Jingfeng <sui.jingfeng@...ux.dev>
---
 drivers/gpu/drm/etnaviv/etnaviv_gem.h | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem.h b/drivers/gpu/drm/etnaviv/etnaviv_gem.h
index bf0d049d8a79..8da32fb5df16 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gem.h
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gem.h
@@ -50,9 +50,7 @@ struct etnaviv_gem_object {
 	u32 flags;
 
 	struct list_head gem_node;
-	struct etnaviv_gpu *gpu;     /* non-null if active */
 	atomic_t gpu_active;
-	u32 access;
 
 	struct page **pages;
 	struct sg_table *sgt;
-- 
2.34.1