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Thu, 19 Jan 2023 14:39:25 +0000 From: Michael Riesch To: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org Cc: Rob Herring , Krzysztof Kozlowski , Heiko Stuebner , Sandy Huang , David Airlie , Daniel Vetter , Sascha Hauer , Michael Riesch , kernel test robot , Dan Carpenter Subject: [PATCH v2 1/6] drm/rockchip: vop2: initialize possible_crtcs properly Date: Thu, 19 Jan 2023 15:39:06 +0100 Message-Id: <20230119143911.3793654-2-michael.riesch@wolfvision.net> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230119143911.3793654-1-michael.riesch@wolfvision.net> References: <20230119143911.3793654-1-michael.riesch@wolfvision.net> X-ClientProxiedBy: VI1PR07CA0152.eurprd07.prod.outlook.com (2603:10a6:802:16::39) To DU0PR08MB9155.eurprd08.prod.outlook.com (2603:10a6:10:416::5) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DU0PR08MB9155:EE_|DB9PR08MB6556:EE_ X-MS-Office365-Filtering-Correlation-Id: e307a077-75a8-4286-8e62-08dafa2af64d X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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Since the VOP2 driver only supports these plane types at the moment, the current code is safe. However, in order to provide a future-proof solution, fix the initialization of the variable. Reported-by: kernel test robot Reported-by: Dan Carpenter Signed-off-by: Michael Riesch --- v2: - new patch drivers/gpu/drm/rockchip/rockchip_drm_vop2.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c index 8cecf81a5ae0..374ef821b453 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c @@ -2322,10 +2322,11 @@ static int vop2_create_crtc(struct vop2 *vop2) /* change the unused primary window to overlay window */ win->type = DRM_PLANE_TYPE_OVERLAY; } - } - - if (win->type == DRM_PLANE_TYPE_OVERLAY) + } else if (win->type == DRM_PLANE_TYPE_OVERLAY) { possible_crtcs = (1 << nvps) - 1; + } else { + possible_crtcs = 0; + } ret = vop2_plane_init(vop2, win, possible_crtcs); if (ret) {