From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Hildenbrand Date: Thu, 8 Apr 2021 11:20:11 +0200 Subject: [PATCH v1 2/2] drivers/gpu/drm: don't select DMA_CMA or CMA from aspeed or etnaviv In-Reply-To: <20210408092011.52763-1-david@redhat.com> References: <20210408092011.52763-1-david@redhat.com> Message-ID: <20210408092011.52763-3-david@redhat.com> List-Id: To: linux-aspeed@lists.ozlabs.org MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Random drivers should not override a user configuration of core knobs (e.g., CONFIG_DMA_CMA=n). Use "imply" instead, to still respect dependencies and manual overrides. "This is similar to "select" as it enforces a lower limit on another symbol except that the "implied" symbol's value may still be set to n from a direct dependency or with a visible prompt." Implying DRM_CMA should be sufficient, as that depends on CMA. Note: If this is a real dependency, we should use "depends on DMA_CMA" instead - but I assume the driver can work without CMA just fine -- esp. when we wouldn't have HAVE_DMA_CONTIGUOUS right now. Signed-off-by: David Hildenbrand --- drivers/gpu/drm/aspeed/Kconfig | 3 +-- drivers/gpu/drm/etnaviv/Kconfig | 3 +-- 2 files changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/aspeed/Kconfig b/drivers/gpu/drm/aspeed/Kconfig index 5e95bcea43e9..a055f763d230 100644 --- a/drivers/gpu/drm/aspeed/Kconfig +++ b/drivers/gpu/drm/aspeed/Kconfig @@ -6,9 +6,8 @@ config DRM_ASPEED_GFX depends on MMU select DRM_KMS_HELPER select DRM_KMS_CMA_HELPER - select DMA_CMA if HAVE_DMA_CONTIGUOUS - select CMA if HAVE_DMA_CONTIGUOUS select MFD_SYSCON + imply DRM_CMA help Chose this option if you have an ASPEED AST2500 SOC Display Controller (aka GFX). diff --git a/drivers/gpu/drm/etnaviv/Kconfig b/drivers/gpu/drm/etnaviv/Kconfig index faa7fc68b009..5f5576b7221a 100644 --- a/drivers/gpu/drm/etnaviv/Kconfig +++ b/drivers/gpu/drm/etnaviv/Kconfig @@ -9,9 +9,8 @@ config DRM_ETNAVIV select THERMAL if DRM_ETNAVIV_THERMAL select TMPFS select WANT_DEV_COREDUMP - select CMA if HAVE_DMA_CONTIGUOUS - select DMA_CMA if HAVE_DMA_CONTIGUOUS select DRM_SCHED + imply DMA_CMA help DRM driver for Vivante GPUs. -- 2.30.2 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 20CEBC433ED for ; Thu, 8 Apr 2021 09:20:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F379D61165 for ; Thu, 8 Apr 2021 09:20:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231140AbhDHJUw (ORCPT ); Thu, 8 Apr 2021 05:20:52 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:46671 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230494AbhDHJUu (ORCPT ); Thu, 8 Apr 2021 05:20:50 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1617873638; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=UVD5TiRVowOEwlanTU+u0spxJ8BlxpAWloXgCiVtay0=; b=bxQsTATc0trocSay2BJ7USm49ucd3hpM5fIwWU8CGggRJ44PhjgVudyg0gfScz6rXTPc/c f5oStc4wVQBlx0rF/SnQwfVtRWP/5nvYDbsAmjKCyUrlsjpst0rc+qpwGXNUGtXFCImpBj 8TOxEcRXSEeIoAaqDteUyHVt6w5hEtA= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-366-m83rqXtVNYmboz8HyHTSQA-1; Thu, 08 Apr 2021 05:20:34 -0400 X-MC-Unique: m83rqXtVNYmboz8HyHTSQA-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id D4E8A1006C80; Thu, 8 Apr 2021 09:20:31 +0000 (UTC) Received: from t480s.redhat.com (ovpn-114-231.ams2.redhat.com [10.36.114.231]) by smtp.corp.redhat.com (Postfix) with ESMTP id AB3B22C169; Thu, 8 Apr 2021 09:20:27 +0000 (UTC) From: David Hildenbrand To: linux-kernel@vger.kernel.org Cc: linux-mm@kvack.org, David Hildenbrand , Joel Stanley , David Airlie , Daniel Vetter , Andrew Jeffery , Lucas Stach , Russell King , Christian Gmeiner , Mike Rapoport , Arnd Bergmann , Bartlomiej Zolnierkiewicz , Linus Walleij , Michal Simek , Masahiro Yamada , Randy Dunlap , Peter Collingbourne , linux-aspeed@lists.ozlabs.org, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, etnaviv@lists.freedesktop.org, linux-fbdev@vger.kernel.org Subject: [PATCH v1 2/2] drivers/gpu/drm: don't select DMA_CMA or CMA from aspeed or etnaviv Date: Thu, 8 Apr 2021 11:20:11 +0200 Message-Id: <20210408092011.52763-3-david@redhat.com> In-Reply-To: <20210408092011.52763-1-david@redhat.com> References: <20210408092011.52763-1-david@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org Random drivers should not override a user configuration of core knobs (e.g., CONFIG_DMA_CMA=n). Use "imply" instead, to still respect dependencies and manual overrides. "This is similar to "select" as it enforces a lower limit on another symbol except that the "implied" symbol's value may still be set to n from a direct dependency or with a visible prompt." Implying DRM_CMA should be sufficient, as that depends on CMA. Note: If this is a real dependency, we should use "depends on DMA_CMA" instead - but I assume the driver can work without CMA just fine -- esp. when we wouldn't have HAVE_DMA_CONTIGUOUS right now. Signed-off-by: David Hildenbrand --- drivers/gpu/drm/aspeed/Kconfig | 3 +-- drivers/gpu/drm/etnaviv/Kconfig | 3 +-- 2 files changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/aspeed/Kconfig b/drivers/gpu/drm/aspeed/Kconfig index 5e95bcea43e9..a055f763d230 100644 --- a/drivers/gpu/drm/aspeed/Kconfig +++ b/drivers/gpu/drm/aspeed/Kconfig @@ -6,9 +6,8 @@ config DRM_ASPEED_GFX depends on MMU select DRM_KMS_HELPER select DRM_KMS_CMA_HELPER - select DMA_CMA if HAVE_DMA_CONTIGUOUS - select CMA if HAVE_DMA_CONTIGUOUS select MFD_SYSCON + imply DRM_CMA help Chose this option if you have an ASPEED AST2500 SOC Display Controller (aka GFX). diff --git a/drivers/gpu/drm/etnaviv/Kconfig b/drivers/gpu/drm/etnaviv/Kconfig index faa7fc68b009..5f5576b7221a 100644 --- a/drivers/gpu/drm/etnaviv/Kconfig +++ b/drivers/gpu/drm/etnaviv/Kconfig @@ -9,9 +9,8 @@ config DRM_ETNAVIV select THERMAL if DRM_ETNAVIV_THERMAL select TMPFS select WANT_DEV_COREDUMP - select CMA if HAVE_DMA_CONTIGUOUS - select DMA_CMA if HAVE_DMA_CONTIGUOUS select DRM_SCHED + imply DMA_CMA help DRM driver for Vivante GPUs. -- 2.30.2 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B23A3C433B4 for ; Thu, 8 Apr 2021 09:22:35 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 428A261155 for ; Thu, 8 Apr 2021 09:22:35 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 428A261155 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:Cc:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=uTGFlZzN/U0NNjTVweMe/p7GChKreS++xdagUxH4qJE=; b=mGRxCDsYF+jMhjYxfI2a/Fl3p yzbUK4OlyW97GUG8/Rt9HGW7S6/+FZ658Y4B5ndodW1KExbQyDL17bxD56yx530A0q4PTq5CKDeQy /A3uk1UqAVLQ2ms83aBd2TSU00Y05s8mbydWXmnC+OYXFLLSSOV1zHhW9PZr1DeLJYCOJl9AcBEwm V4J29BzaGr0pAObUa+aKUCE1Tj6SayDBFW0JD5i/5byeVEfK8ZrxM8Rz1MsFyN5QcfEGyOnSTqzBt l1RFvoQLVYramdgt6M0OmWuEpgai1EOVi+XZE+3h5W2AYitQVJDBIvsRewn871s/0gaK3keWK89aX X7YY4Arnw==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lUQqG-007SjM-A4; Thu, 08 Apr 2021 09:20:48 +0000 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lUQq7-007Sht-Fc for linux-arm-kernel@lists.infradead.org; Thu, 08 Apr 2021 09:20:41 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1617873638; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=UVD5TiRVowOEwlanTU+u0spxJ8BlxpAWloXgCiVtay0=; b=bxQsTATc0trocSay2BJ7USm49ucd3hpM5fIwWU8CGggRJ44PhjgVudyg0gfScz6rXTPc/c f5oStc4wVQBlx0rF/SnQwfVtRWP/5nvYDbsAmjKCyUrlsjpst0rc+qpwGXNUGtXFCImpBj 8TOxEcRXSEeIoAaqDteUyHVt6w5hEtA= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-366-m83rqXtVNYmboz8HyHTSQA-1; Thu, 08 Apr 2021 05:20:34 -0400 X-MC-Unique: m83rqXtVNYmboz8HyHTSQA-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id D4E8A1006C80; Thu, 8 Apr 2021 09:20:31 +0000 (UTC) Received: from t480s.redhat.com (ovpn-114-231.ams2.redhat.com [10.36.114.231]) by smtp.corp.redhat.com (Postfix) with ESMTP id AB3B22C169; Thu, 8 Apr 2021 09:20:27 +0000 (UTC) From: David Hildenbrand To: linux-kernel@vger.kernel.org Cc: linux-mm@kvack.org, David Hildenbrand , Joel Stanley , David Airlie , Daniel Vetter , Andrew Jeffery , Lucas Stach , Russell King , Christian Gmeiner , Mike Rapoport , Arnd Bergmann , Bartlomiej Zolnierkiewicz , Linus Walleij , Michal Simek , Masahiro Yamada , Randy Dunlap , Peter Collingbourne , linux-aspeed@lists.ozlabs.org, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, etnaviv@lists.freedesktop.org, linux-fbdev@vger.kernel.org Subject: [PATCH v1 2/2] drivers/gpu/drm: don't select DMA_CMA or CMA from aspeed or etnaviv Date: Thu, 8 Apr 2021 11:20:11 +0200 Message-Id: <20210408092011.52763-3-david@redhat.com> In-Reply-To: <20210408092011.52763-1-david@redhat.com> References: <20210408092011.52763-1-david@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210408_102039_870624_C1D8FB3E X-CRM114-Status: GOOD ( 16.18 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Random drivers should not override a user configuration of core knobs (e.g., CONFIG_DMA_CMA=n). Use "imply" instead, to still respect dependencies and manual overrides. "This is similar to "select" as it enforces a lower limit on another symbol except that the "implied" symbol's value may still be set to n from a direct dependency or with a visible prompt." Implying DRM_CMA should be sufficient, as that depends on CMA. Note: If this is a real dependency, we should use "depends on DMA_CMA" instead - but I assume the driver can work without CMA just fine -- esp. when we wouldn't have HAVE_DMA_CONTIGUOUS right now. Signed-off-by: David Hildenbrand --- drivers/gpu/drm/aspeed/Kconfig | 3 +-- drivers/gpu/drm/etnaviv/Kconfig | 3 +-- 2 files changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/aspeed/Kconfig b/drivers/gpu/drm/aspeed/Kconfig index 5e95bcea43e9..a055f763d230 100644 --- a/drivers/gpu/drm/aspeed/Kconfig +++ b/drivers/gpu/drm/aspeed/Kconfig @@ -6,9 +6,8 @@ config DRM_ASPEED_GFX depends on MMU select DRM_KMS_HELPER select DRM_KMS_CMA_HELPER - select DMA_CMA if HAVE_DMA_CONTIGUOUS - select CMA if HAVE_DMA_CONTIGUOUS select MFD_SYSCON + imply DRM_CMA help Chose this option if you have an ASPEED AST2500 SOC Display Controller (aka GFX). diff --git a/drivers/gpu/drm/etnaviv/Kconfig b/drivers/gpu/drm/etnaviv/Kconfig index faa7fc68b009..5f5576b7221a 100644 --- a/drivers/gpu/drm/etnaviv/Kconfig +++ b/drivers/gpu/drm/etnaviv/Kconfig @@ -9,9 +9,8 @@ config DRM_ETNAVIV select THERMAL if DRM_ETNAVIV_THERMAL select TMPFS select WANT_DEV_COREDUMP - select CMA if HAVE_DMA_CONTIGUOUS - select DMA_CMA if HAVE_DMA_CONTIGUOUS select DRM_SCHED + imply DMA_CMA help DRM driver for Vivante GPUs. -- 2.30.2 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AF166C433B4 for ; Thu, 8 Apr 2021 09:20:41 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 7737D61157 for ; Thu, 8 Apr 2021 09:20:41 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7737D61157 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id F24786E17F; Thu, 8 Apr 2021 09:20:40 +0000 (UTC) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by gabe.freedesktop.org (Postfix) with ESMTPS id 44F956EA21 for ; Thu, 8 Apr 2021 09:20:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1617873638; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=UVD5TiRVowOEwlanTU+u0spxJ8BlxpAWloXgCiVtay0=; b=bxQsTATc0trocSay2BJ7USm49ucd3hpM5fIwWU8CGggRJ44PhjgVudyg0gfScz6rXTPc/c f5oStc4wVQBlx0rF/SnQwfVtRWP/5nvYDbsAmjKCyUrlsjpst0rc+qpwGXNUGtXFCImpBj 8TOxEcRXSEeIoAaqDteUyHVt6w5hEtA= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-366-m83rqXtVNYmboz8HyHTSQA-1; Thu, 08 Apr 2021 05:20:34 -0400 X-MC-Unique: m83rqXtVNYmboz8HyHTSQA-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id D4E8A1006C80; Thu, 8 Apr 2021 09:20:31 +0000 (UTC) Received: from t480s.redhat.com (ovpn-114-231.ams2.redhat.com [10.36.114.231]) by smtp.corp.redhat.com (Postfix) with ESMTP id AB3B22C169; Thu, 8 Apr 2021 09:20:27 +0000 (UTC) From: David Hildenbrand To: linux-kernel@vger.kernel.org Subject: [PATCH v1 2/2] drivers/gpu/drm: don't select DMA_CMA or CMA from aspeed or etnaviv Date: Thu, 8 Apr 2021 11:20:11 +0200 Message-Id: <20210408092011.52763-3-david@redhat.com> In-Reply-To: <20210408092011.52763-1-david@redhat.com> References: <20210408092011.52763-1-david@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, linux-aspeed@lists.ozlabs.org, David Hildenbrand , David Airlie , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, Masahiro Yamada , Michal Simek , Joel Stanley , Russell King , Arnd Bergmann , Bartlomiej Zolnierkiewicz , etnaviv@lists.freedesktop.org, Peter Collingbourne , linux-arm-kernel@lists.infradead.org, Andrew Jeffery , Randy Dunlap , Mike Rapoport Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Random drivers should not override a user configuration of core knobs (e.g., CONFIG_DMA_CMA=n). Use "imply" instead, to still respect dependencies and manual overrides. "This is similar to "select" as it enforces a lower limit on another symbol except that the "implied" symbol's value may still be set to n from a direct dependency or with a visible prompt." Implying DRM_CMA should be sufficient, as that depends on CMA. Note: If this is a real dependency, we should use "depends on DMA_CMA" instead - but I assume the driver can work without CMA just fine -- esp. when we wouldn't have HAVE_DMA_CONTIGUOUS right now. Signed-off-by: David Hildenbrand --- drivers/gpu/drm/aspeed/Kconfig | 3 +-- drivers/gpu/drm/etnaviv/Kconfig | 3 +-- 2 files changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/aspeed/Kconfig b/drivers/gpu/drm/aspeed/Kconfig index 5e95bcea43e9..a055f763d230 100644 --- a/drivers/gpu/drm/aspeed/Kconfig +++ b/drivers/gpu/drm/aspeed/Kconfig @@ -6,9 +6,8 @@ config DRM_ASPEED_GFX depends on MMU select DRM_KMS_HELPER select DRM_KMS_CMA_HELPER - select DMA_CMA if HAVE_DMA_CONTIGUOUS - select CMA if HAVE_DMA_CONTIGUOUS select MFD_SYSCON + imply DRM_CMA help Chose this option if you have an ASPEED AST2500 SOC Display Controller (aka GFX). diff --git a/drivers/gpu/drm/etnaviv/Kconfig b/drivers/gpu/drm/etnaviv/Kconfig index faa7fc68b009..5f5576b7221a 100644 --- a/drivers/gpu/drm/etnaviv/Kconfig +++ b/drivers/gpu/drm/etnaviv/Kconfig @@ -9,9 +9,8 @@ config DRM_ETNAVIV select THERMAL if DRM_ETNAVIV_THERMAL select TMPFS select WANT_DEV_COREDUMP - select CMA if HAVE_DMA_CONTIGUOUS - select DMA_CMA if HAVE_DMA_CONTIGUOUS select DRM_SCHED + imply DMA_CMA help DRM driver for Vivante GPUs. -- 2.30.2 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel