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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B2844C369C2 for ; Wed, 16 Apr 2025 12:37:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=EUEU66PCYl+4EFL4u4ZRfQtNl054elfd/IAoIrgF+xA=; b=sMIERqiBG0bLC7EQRI1B7IDmWQ rLVF+jKDtE/vOdtoD5AgpsyTIWbmKsY+UvWrmfNBh/DNSyXjUr5/Ht+1cWw4QHg3LByvosi92FImW LE1i4U0144kFcibD/9RrGhgC4LC06l5yQYYWXK2OuXHERA/zBZeXk9Au53GWDFjU/l9BopD3yIR1G RFv5lCYkSc+/t+nm2fOHicfiIk8RlcA5haqq6VF+GmloRzBH+8jRRiuko0NxoX0HFmkD+95MznVHT 73dMyyZB9ZFOhN5BLuEdfGyuvyiLO9jND7LBK6jB36klQ5V2BPFmk1QmnyISA99SWgQ+7pP2JnZGb 7/bR/SYA==; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250416_053148_500089_83C5D96B X-CRM114-Status: GOOD ( 17.88 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi, On 07/04/2025 17:23, Luca Ceresoli wrote: > This is the new API for allocating DRM bridges. > > This driver has a peculiar structure. zynqmp_dpsub.c is the actual driver, > which delegates to a submodule (zynqmp_dp.c) the allocation of a > sub-structure embedding the drm_bridge and its initialization, however it > does not delegate the drm_bridge_add(). Hence, following carefully the code > flow, it is correct to change the allocation function and .funcs assignment > in the submodule, while the drm_bridge_add() is not in that submodule. > > Signed-off-by: Luca Ceresoli > > --- > > Cc: Laurent Pinchart > Cc: Michal Simek > Cc: Tomi Valkeinen > --- > drivers/gpu/drm/xlnx/zynqmp_dp.c | 7 +++---- > 1 file changed, 3 insertions(+), 4 deletions(-) > > diff --git a/drivers/gpu/drm/xlnx/zynqmp_dp.c b/drivers/gpu/drm/xlnx/zynqmp_dp.c > index 11d2415fb5a1f7fad03421898331289f2295d68b..de22b6457a78a7a2110f9f308d0b5a8700544010 100644 > --- a/drivers/gpu/drm/xlnx/zynqmp_dp.c > +++ b/drivers/gpu/drm/xlnx/zynqmp_dp.c > @@ -2439,9 +2439,9 @@ int zynqmp_dp_probe(struct zynqmp_dpsub *dpsub) > struct zynqmp_dp *dp; > int ret; > > - dp = kzalloc(sizeof(*dp), GFP_KERNEL); > - if (!dp) > - return -ENOMEM; > + dp = devm_drm_bridge_alloc(&pdev->dev, struct zynqmp_dp, bridge, &zynqmp_dp_bridge_funcs); > + if (IS_ERR(dp)) > + return PTR_ERR(dp); > > dp->dev = &pdev->dev; > dp->dpsub = dpsub; > @@ -2488,7 +2488,6 @@ int zynqmp_dp_probe(struct zynqmp_dpsub *dpsub) > > /* Initialize the bridge. */ > bridge = &dp->bridge; > - bridge->funcs = &zynqmp_dp_bridge_funcs; > bridge->ops = DRM_BRIDGE_OP_DETECT | DRM_BRIDGE_OP_EDID > | DRM_BRIDGE_OP_HPD; > bridge->type = DRM_MODE_CONNECTOR_DisplayPort; > To add to my last mail, this clearly cannot be right, as it changes kzalloc call to devm_* call, without removing the kfree()s... Tomi