From: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
To: Sandy Huang <hjc@rock-chips.com>, Heiko Stübner <heiko@sntech.de>,
Andy Yan <andy.yan@rock-chips.com>,
Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
Maxime Ripard <mripard@kernel.org>,
Thomas Zimmermann <tzimmermann@suse.de>,
David Airlie <airlied@gmail.com>, Simona Vetter <simona@ffwll.ch>
Cc: kernel@collabora.com, dri-devel@lists.freedesktop.org,
linux-arm-kernel@lists.infradead.org,
linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: [PATCH 4/5] drm/rockchip: vop2: Drop redundant zero-init in setup_layer_mixer()
Date: Mon, 04 May 2026 21:24:02 +0300 [thread overview]
Message-ID: <20260504-vop2-layer-cfg-tmout-v1-4-730226a7331e@collabora.com> (raw)
In-Reply-To: <20260504-vop2-layer-cfg-tmout-v1-0-730226a7331e@collabora.com>
The layer_sel and atv_layer_sel local variables in
rk3568_vop2_setup_layer_mixer() are unconditionally assigned from
vop2->old_layer_sel and the RK3568_OVL_LAYER_SEL register read,
respectively, before any use.
Remove the superfluous zero-initializers.
Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
---
drivers/gpu/drm/rockchip/rockchip_vop2_reg.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/rockchip/rockchip_vop2_reg.c b/drivers/gpu/drm/rockchip/rockchip_vop2_reg.c
index 1f5e8c2acecd..0849bd922ffb 100644
--- a/drivers/gpu/drm/rockchip/rockchip_vop2_reg.c
+++ b/drivers/gpu/drm/rockchip/rockchip_vop2_reg.c
@@ -2134,9 +2134,9 @@ static void rk3568_vop2_setup_layer_mixer(struct vop2_video_port *vp)
{
struct vop2 *vop2 = vp->vop2;
struct drm_plane *plane;
- u32 layer_sel = 0;
+ u32 layer_sel;
u32 port_sel;
- u32 atv_layer_sel = 0;
+ u32 atv_layer_sel;
u8 layer_id;
u8 old_layer_id;
u8 layer_sel_id;
--
2.53.0
next prev parent reply other threads:[~2026-05-04 18:24 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-04 18:23 [PATCH 0/5] drm/rockchip: vop2: Fix layer cfg done timeout on multi-output setups Cristian Ciocaltea
2026-05-04 18:23 ` [PATCH 1/5] drm/rockchip: vop2: Fix wrong wait target in layer cfg done check Cristian Ciocaltea
2026-05-04 22:08 ` Claude review: " Claude Code Review Bot
2026-05-04 18:24 ` [PATCH 2/5] drm/rockchip: vop2: Wait for layer cfg done before switching LAYERSEL_REGDONE_SEL Cristian Ciocaltea
2026-05-04 22:08 ` Claude review: " Claude Code Review Bot
2026-05-04 18:24 ` [PATCH 3/5] drm/rockchip: vop2: Delay old_{layer|port}_sel updates in setup_layer_mixer() Cristian Ciocaltea
2026-05-04 22:08 ` Claude review: " Claude Code Review Bot
2026-05-04 18:24 ` Cristian Ciocaltea [this message]
2026-05-04 22:08 ` Claude review: drm/rockchip: vop2: Drop redundant zero-init " Claude Code Review Bot
2026-05-04 18:24 ` [PATCH 5/5] drm/rockchip: vop2: Use vop2->old_layer_sel directly in wait_for_layer_cfg_done() Cristian Ciocaltea
2026-05-04 22:08 ` Claude review: " Claude Code Review Bot
2026-05-04 22:08 ` Claude review: drm/rockchip: vop2: Fix layer cfg done timeout on multi-output setups Claude Code Review Bot
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