From nobody Tue Jun 30 13:04:00 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3A8C2C433FE for ; Mon, 17 Jan 2022 05:22:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231854AbiAQFWG (ORCPT ); Mon, 17 Jan 2022 00:22:06 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53754 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230116AbiAQFWE (ORCPT ); Mon, 17 Jan 2022 00:22:04 -0500 Received: from mail-ua1-x92b.google.com (mail-ua1-x92b.google.com [IPv6:2607:f8b0:4864:20::92b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 17D46C061574 for ; Sun, 16 Jan 2022 21:22:03 -0800 (PST) Received: by mail-ua1-x92b.google.com with SMTP id h11so28410732uar.5 for ; Sun, 16 Jan 2022 21:22:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=sender:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=0P1WTEs+C+NbyMn3/HlAbUcrz7+Kd9kkvPJ4rg/pU4s=; b=psesmIOPOr5OiIVxN1wHFuJUnLekk2YFVaXZamYwh14J7oRo6/pLggWrMKide9+iDp YjpQLCMsexC7a2YVtl9qxAoLsn92ZJ/+qT1CdQJ/tlPX2Dk8PfWEq4r61ehGEpr5xZHr Bha2INqQ2gaBoFhb/J2kvVauaiVgpDIZxO5F2LbJqRAKmNwfvn/M8NVG3E+H1Z3/QjuC J8PCYgAnR4xDUvP82fDAhrLPqsa2Ox9Wa0dp1rq4R5klNhDFM34gYtu0znF2pvS88t/L feKsBELWedzI9RGLVe8abvhoV5XEYs8GXUHt4Y6jkOkT6X6shpe220HCljxumu9Jnt1Y SjvA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :mime-version:content-transfer-encoding; bh=0P1WTEs+C+NbyMn3/HlAbUcrz7+Kd9kkvPJ4rg/pU4s=; b=Tl2ifIxpHY3YEIROiqY7km693GY60njs1GqVMyKGwOyOAu75MGUv69t3fbNihAsBKF tAMMYYWUJoR6wBWMI7inbp9kir1v7Yvd5Nx5v/sqflVu0FKXFfOOMTFueG7kO/ZpL5PU iOvIy62DG4htcR61lPS9cKyWOBOmKwmwO+dCsXmMYNpkK7CPm3z06rrkZrSIN4qJA795 gz9STBpWoarfx4wo4p7uYhdiMbO6VEy252w5yaLdqZngL1NWDchvKruJgcUjJ0hJYC+y H3AsSYP9jexZdVW58WCUcQd0i4nYXSGreAGsei6WYfwQIdx+Jz0LctfA7ANz8KIY3C/U 8oAg== X-Gm-Message-State: AOAM532fFdPhZQEMAmevBlzVeSPhfcZtVRtSqv1U417bCTGK6+l6G4yM tyLge/lJ+VBz6jwKOP4cRYI= X-Google-Smtp-Source: ABdhPJzyeSo2PP/9o8OtEwKETybhzkTyrtMW0L1Rzhtz2OHgwhbKaKuuKx1rGlyv39dxQHOsMLTsVA== X-Received: by 2002:a05:6102:dcd:: with SMTP id e13mr3901912vst.84.1642396922557; Sun, 16 Jan 2022 21:22:02 -0800 (PST) Received: from kubuntu-desktop.. ([67.8.38.84]) by smtp.gmail.com with ESMTPSA id g5sm3233255vke.6.2022.01.16.21.22.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 16 Jan 2022 21:22:02 -0800 (PST) Sender: Julian Braha From: Julian Braha To: narmstrong@baylibre.com, jonas@kwiboo.se, jernej.skrabec@gmail.com, airlied@linux.ie, daniel@ffwll.ch Cc: robert.foss@linaro.org, jagan@amarulasolutions.com, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, fazilyildiran@gmail.com, Laurent Pinchart Subject: [PATCH v3] drm: bridge: fix unmet dependency on DRM_KMS_HELPER for DRM_PANEL_BRIDGE Date: Mon, 17 Jan 2022 00:21:46 -0500 Message-Id: <20220117052146.75811-1-julianbraha@gmail.com> X-Mailer: git-send-email 2.32.0 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" When DRM_CHIPONE_ICN6211 is selected, and DRM_KMS_HELPER is not selected, Kbuild gives the following warning: WARNING: unmet direct dependencies detected for DRM_PANEL_BRIDGE Depends on [n]: HAS_IOMEM [=3Dy] && DRM_BRIDGE [=3Dy] && DRM_KMS_HELPER [= =3Dn] Selected by [y]: - DRM_CHIPONE_ICN6211 [=3Dy] && HAS_IOMEM [=3Dy] && DRM [=3Dy] && DRM_BRI= DGE [=3Dy] && OF [=3Dy] This is because DRM_CHIPONE_ICN6211 selects DRM_PANEL_BRIDGE without depending on or selecting DRM_KMS_HELPER, despite DRM_PANEL_BRIDGE depending on DRM_KMS_HELPER. This unmet dependency bug was detected by Kismet, a static analysis tool for Kconfig. Please advise if this is not the appropriate solution. Fixes: ce517f18944e ("drm: bridge: Add Chipone ICN6211 MIPI-DSI to RGB brid= ge") Reviewed-by: Robert Foss Reviewed-by: Laurent Pinchart Signed-off-by: Julian Braha --- v2: - changed from "select" to "depends on" v3: - new line now uses tabs instead of spaces. drivers/gpu/drm/bridge/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig index 61db5a66b493..a1b52eaf26e0 100644 --- a/drivers/gpu/drm/bridge/Kconfig +++ b/drivers/gpu/drm/bridge/Kconfig @@ -30,6 +30,7 @@ config DRM_CDNS_DSI config DRM_CHIPONE_ICN6211 tristate "Chipone ICN6211 MIPI-DSI/RGB Converter bridge" depends on OF + depends on DRM_KMS_HELPER select DRM_MIPI_DSI select DRM_PANEL_BRIDGE help -- 2.32.0