[PATCH v5 02/10] drm: zynqmp_dp: Rearrange zynqmp_dp for better padding

From: Sean Anderson <sean.anderson@linux.dev>
To: Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
	Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
	Maxime Ripard <mripard@kernel.org>,
	Thomas Zimmermann <tzimmermann@suse.de>,
	dri-devel@lists.freedesktop.org
Cc: linux-arm-kernel@lists.infradead.org,
	David Airlie <airlied@gmail.com>,
	linux-kernel@vger.kernel.org, Daniel Vetter <daniel@ffwll.ch>,
	Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>,
	Michal Simek <michal.simek@amd.com>,
	Sean Anderson <sean.anderson@linux.dev>
Subject: [PATCH v5 02/10] drm: zynqmp_dp: Rearrange zynqmp_dp for better padding
Date: Fri,  3 May 2024 15:29:14 -0400	[thread overview]
Message-ID: <20240503192922.2172314-3-sean.anderson@linux.dev> (raw)
In-Reply-To: <20240503192922.2172314-1-sean.anderson@linux.dev>

Sort the members of struct zynqmp_dp to reduce padding necessary for
alignment.

Signed-off-by: Sean Anderson <sean.anderson@linux.dev>
---

(no changes since v2)

Changes in v2:
- New

 drivers/gpu/drm/xlnx/zynqmp_dp.c | 28 ++++++++++++++--------------
 1 file changed, 14 insertions(+), 14 deletions(-)

diff --git a/drivers/gpu/drm/xlnx/zynqmp_dp.c b/drivers/gpu/drm/xlnx/zynqmp_dp.c
index 9df068a413f3..12a8248ed125 100644
--- a/drivers/gpu/drm/xlnx/zynqmp_dp.c
+++ b/drivers/gpu/drm/xlnx/zynqmp_dp.c
@@ -256,10 +256,10 @@ struct zynqmp_dp_link_config {
  * @fmt: format identifier string
  */
 struct zynqmp_dp_mode {
-	u8 bw_code;
-	u8 lane_cnt;
-	int pclock;
 	const char *fmt;
+	int pclock;
+	u8 bw_code;
+	u8 lane_cnt;
 };
 
 /**
@@ -296,27 +296,27 @@ struct zynqmp_dp_config {
  * @train_set: set of training data
  */
 struct zynqmp_dp {
+	struct drm_dp_aux aux;
+	struct drm_bridge bridge;
+	struct delayed_work hpd_work;
+
+	struct drm_bridge *next_bridge;
 	struct device *dev;
 	struct zynqmp_dpsub *dpsub;
 	void __iomem *iomem;
 	struct reset_control *reset;
-	int irq;
-
-	struct drm_bridge bridge;
-	struct drm_bridge *next_bridge;
-
-	struct zynqmp_dp_config config;
-	struct drm_dp_aux aux;
 	struct phy *phy[ZYNQMP_DP_MAX_LANES];
-	u8 num_lanes;
-	struct delayed_work hpd_work;
+
 	enum drm_connector_status status;
+	int irq;
 	bool enabled;
 
-	u8 dpcd[DP_RECEIVER_CAP_SIZE];
-	struct zynqmp_dp_link_config link_config;
 	struct zynqmp_dp_mode mode;
+	struct zynqmp_dp_link_config link_config;
+	struct zynqmp_dp_config config;
+	u8 dpcd[DP_RECEIVER_CAP_SIZE];
 	u8 train_set[ZYNQMP_DP_MAX_LANES];
+	u8 num_lanes;
 };
 
 static inline struct zynqmp_dp *bridge_to_dp(struct drm_bridge *bridge)
-- 
2.35.1.1320.gc452695387.dirty


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