linux-kernel - [PATCH v1 3/3] media: platform: synopsys: hdmirx: Optimize struct snps_hdmirx

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Message-ID: <20250306080533.294964-4-dmitry.osipenko@collabora.com>
Date: Thu,  6 Mar 2025 11:05:33 +0300
From: Dmitry Osipenko <dmitry.osipenko@...labora.com>
To: Shreeya Patel <shreeya.patel@...labora.com>,
	Heiko Stuebner <heiko@...ech.de>,
	Mauro Carvalho Chehab <mchehab@...nel.org>,
	Hans Verkuil <hverkuil@...all.nl>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	jose.abreu@...opsys.com,
	nelson.costa@...opsys.com,
	shawn.wen@...k-chips.com,
	nicolas.dufresne@...labora.com,
	Sebastian Reichel <sebastian.reichel@...labora.com>
Cc: kernel@...labora.com,
	linux-media@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-rockchip@...ts.infradead.org
Subject: [PATCH v1 3/3] media: platform: synopsys: hdmirx: Optimize struct snps_hdmirx_dev

Move cached EDID that takes 512 bytes to the bottom of struct
snps_hdmirx_dev to improve CPU's cache locality of the struct.

Signed-off-by: Dmitry Osipenko <dmitry.osipenko@...labora.com>
---
 drivers/media/platform/synopsys/hdmirx/snps_hdmirx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/platform/synopsys/hdmirx/snps_hdmirx.c b/drivers/media/platform/synopsys/hdmirx/snps_hdmirx.c
index 981ab96cda3c..4d42da7255f3 100644
--- a/drivers/media/platform/synopsys/hdmirx/snps_hdmirx.c
+++ b/drivers/media/platform/synopsys/hdmirx/snps_hdmirx.c
@@ -154,8 +154,8 @@ struct snps_hdmirx_dev {
 	u32 edid_blocks_written;
 	u32 cur_fmt_fourcc;
 	u32 color_depth;
-	u8 edid[EDID_NUM_BLOCKS_MAX * EDID_BLOCK_SIZE];
 	spinlock_t rst_lock; /* to lock register access */
+	u8 edid[EDID_NUM_BLOCKS_MAX * EDID_BLOCK_SIZE];
 };
 
 static const struct v4l2_dv_timings cea640x480 = V4L2_DV_BT_CEA_640X480P59_94;
-- 
2.48.1