From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7328537C922 for ; Fri, 8 May 2026 07:05:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778223912; cv=none; b=ad8VDyJI+M5/05hwbjy8OpX0junNkM7Vf1BKImdxZb6FP0W58pg+51kxMyWGk1LQ53sXr7329lRXX+sbTPHGHVzJ0vq7br+PalchfWGQ2Vg2HISOLe0aROUJ7kC0nt96o1aNm/I641nJCVrgekoRU3SfA+uxSNgAbIf8AqPmaLk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778223912; c=relaxed/simple; bh=HAbIYpyVyHqCT0rQcmgk40y+JIziH1HWE+uRjKkdIG8=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Ab9sRGA8BE9tUx4oOXfRYFJiHoUvpRFAHjIFn9EmD4HZNzVduiq0MrHNTpW2yG3VlatxvdqVDG0SeaAvB8NTyL6DcBDV1Nj4ChZEXKEPS3JoRo4TREgZDK8Har/q844xoS9P45bxlKvWaTZ5Gw9eHPGicdwk9RAidU+UaGZndBA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=GfhSEXFV; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="GfhSEXFV" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1778223908; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=lOECPH79PysJE1ZZAIYOI8HdKiN99472/LXcGmITo5s=; b=GfhSEXFV6OeIVV3PjLvXMB6hEep14lrXAHWsGdyeflilNBhEH0gZw9ndqKfERIIs01W3xk M/19nGBX/+quhK7TcC/lSb46xE7cGIrdFwqwnWRlqdPV/gjYa/onAS1PUACwZjFfCc4ACM igprWWdfKGWBuUY7MQR4JIVpOBzbq44= Received: from mx-prod-mc-03.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-473-Ro4VPvXRPFan49ucjqD1QA-1; Fri, 08 May 2026 03:05:04 -0400 X-MC-Unique: Ro4VPvXRPFan49ucjqD1QA-1 X-Mimecast-MFC-AGG-ID: Ro4VPvXRPFan49ucjqD1QA_1778223902 Received: from mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id AF9341956055; Fri, 8 May 2026 07:05:02 +0000 (UTC) Received: from [192.168.1.153] (headnet01.pony-001.prod.iad2.dc.redhat.com [10.2.32.101]) by mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 697DE3002D2F; Fri, 8 May 2026 07:04:59 +0000 (UTC) From: Albert Esteve Date: Fri, 08 May 2026 09:04:43 +0200 Subject: [PATCH v2 03/10] drm/panel/novatek-nt37700f: Use refcounted allocation in place of devm_kzalloc() Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260508-drm_panel_init_rm-v2-3-0bd4ac429971@redhat.com> References: <20260508-drm_panel_init_rm-v2-0-0bd4ac429971@redhat.com> In-Reply-To: <20260508-drm_panel_init_rm-v2-0-0bd4ac429971@redhat.com> To: Neil Armstrong , Jessica Zhang , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Michael Tretter , Michael Walle , Dario Binacchi Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Albert Esteve X-Developer-Signature: v=1; a=ed25519-sha256; t=1778223888; l=1609; i=aesteve@redhat.com; s=20260303; h=from:subject:message-id; bh=HAbIYpyVyHqCT0rQcmgk40y+JIziH1HWE+uRjKkdIG8=; b=12vrLyiZdrX4GUldKxGTwWgQj/UCX3V/s+Q99outv0lJLmcK0H8fjhjGQTnRnhNv/Q/ykkdBb o1+Pn5YlZDYDxvl3YB3iW2sMlm91R7Lzpxt81dgvv+FgJMkKyMYG/Bv X-Developer-Key: i=aesteve@redhat.com; a=ed25519; pk=YSFz6sOHd2L45+Fr8DIvHTi6lSIjhLZ5T+rkxspJt1s= X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.4 Move to using the new API devm_drm_panel_alloc() to allocate the panel. In the call to the new API, avoid using explicit type and use __typeof() for more type safety. Reviewed-by: Neil Armstrong Reviewed-by: Maxime Ripard Signed-off-by: Albert Esteve --- drivers/gpu/drm/panel/panel-novatek-nt37700f.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/panel/panel-novatek-nt37700f.c b/drivers/gpu/drm/panel/panel-novatek-nt37700f.c index 74f46a268c0f6..c221dd498fed4 100644 --- a/drivers/gpu/drm/panel/panel-novatek-nt37700f.c +++ b/drivers/gpu/drm/panel/panel-novatek-nt37700f.c @@ -225,9 +225,12 @@ static int nt37700f_tianma_probe(struct mipi_dsi_device *dsi) struct nt37700f_tianma *ctx; int ret; - ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); - if (!ctx) - return -ENOMEM; + ctx = devm_drm_panel_alloc(dev, __typeof(*ctx), panel, + &nt37700f_tianma_panel_funcs, + DRM_MODE_CONNECTOR_DSI); + + if (IS_ERR(ctx)) + return PTR_ERR(ctx); ctx->supply = devm_regulator_get(dev, "power"); if (IS_ERR(ctx->supply)) @@ -247,8 +250,6 @@ static int nt37700f_tianma_probe(struct mipi_dsi_device *dsi) dsi->mode_flags = MIPI_DSI_MODE_VIDEO_BURST | MIPI_DSI_CLOCK_NON_CONTINUOUS | MIPI_DSI_MODE_LPM; - drm_panel_init(&ctx->panel, dev, &nt37700f_tianma_panel_funcs, - DRM_MODE_CONNECTOR_DSI); ctx->panel.prepare_prev_first = true; ctx->panel.backlight = nt37700f_tianma_create_backlight(dsi); -- 2.53.0