From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from fanzine2.igalia.com (fanzine2.igalia.com [213.97.179.56]) (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 24E2E209F43 for ; Sun, 16 Aug 2026 14:06:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.97.179.56 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786889169; cv=none; b=mucw2uiSScgBqmwJlwD1tJBEsVAbIjMdgtbT0PBz8NTm1zyzIgeRznk5YARWx2PA7Nwj59xMxU9XylQITnM8wSZQGmJZzZ3hl7VHiG/Q6+WrMVkcbTPHcnc+pEiBy1ZbGK60WSuMz+b3+6xYzI248OvG5ymUxDLk72OPi9hDuec= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786889169; c=relaxed/simple; bh=3hhlZ1Fi0jWDKXWe3uonqCke0ZqoqeBiOykrMppuuAc=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=EOH8NVbWvDIvOXQvco2JpAVOdX1OIXfl/5yUJaPfD2+TI0oyEMMRLmzbucprvpEiP8jIlZhgpTHw5E3tVIL7gu+ZY7GoJWPMiTKys+2jg7BMETERzlGz559oW67JWhSsTD3Ta75nz6sTp+1lrwdNaAqJnkHNGQqceexhNMkyuO0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=igalia.com; spf=pass smtp.mailfrom=igalia.com; dkim=pass (2048-bit key) header.d=igalia.com header.i=@igalia.com header.b=i4toc+fx; arc=none smtp.client-ip=213.97.179.56 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=igalia.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=igalia.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=igalia.com header.i=@igalia.com header.b="i4toc+fx" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=igalia.com; s=20170329; h=Cc:To:Message-Id:Content-Transfer-Encoding:Content-Type: MIME-Version:Subject:Date:From:From:Reply-To; bh=XEfY0WKHFZWFlZvlZ6DrZDRwUYw98lksOKl8DK8DS7g=; b=i4toc+fx9Wv8ZMHV08VulARQHd dJM7x4oLgQAA++Zld588tuG2du+Yt3r6zXPH/BP8cLh2TKl9dNf5qdrGtoBiaJr4wWr2wa9Dpspk0 2UT0rnUINOrJHu6aVLu41gSMJWCSsIcTojFkZrlMTRXeerlamby4tCHxnOfK0mEhvTLTlXScxAYXy U4FOZkQ+aWyM9KHxYVr5hs0uzAiD6ECJrh/mst8iHEePM1L4+SHHAE34Gz/eUgDPno9kXmlUL9KP6 JvVUPveurGpwsWc3zb35kK3b3xFPTAbxK1Vrp/+quVlsDWV3XQhQ7NeZ0rYWSvOR+ITVJ3G7oYwI4 AwCgoNPA==; Received: from [179.105.94.163] (helo=[10.0.0.1]) by fanzine2.igalia.com with esmtpsa (Cipher TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim) id 1wvbUu-002tuI-I2; Sun, 16 Aug 2026 16:06:00 +0200 From: =?utf-8?q?Ma=C3=ADra_Canal?= Date: Sun, 16 Aug 2026 11:05:41 -0300 Subject: [PATCH 2/4] dt-bindings: display: bcm2835-v3d: Add an optional reset line Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Message-Id: <20260816-vc4-reset-control-v1-2-896444373716@igalia.com> References: <20260816-vc4-reset-control-v1-0-896444373716@igalia.com> In-Reply-To: <20260816-vc4-reset-control-v1-0-896444373716@igalia.com> To: Maxime Ripard , Dave Stevenson , Raspberry Pi Kernel Maintenance , Stefan Wahren , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Florian Fainelli , Ray Jui , Scott Branden , Broadcom internal kernel review list Cc: kernel-dev@igalia.com, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, =?utf-8?q?Ma=C3=ADra_Canal?= X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=1041; i=mcanal@igalia.com; h=from:subject:message-id; bh=3hhlZ1Fi0jWDKXWe3uonqCke0ZqoqeBiOykrMppuuAc=; b=owEBbQGS/pANAwAKAT/zDop2iPqqAcsmYgBqgcO4hSm7N0GRYiFkdoVyEWuLx4nSx1hqieNg0 UyQXw099RmJATMEAAEKAB0WIQT45F19ARZ3Bymmd9E/8w6Kdoj6qgUCaoHDuAAKCRA/8w6Kdoj6 qhk5CAClAo9OtDmH5mNxDVvKPWpRHNCkQ0lMXBgWANZksoO8zvDPtAib5FEnw8Vb36POjk6kPQ2 hUFmupFYf/52evpXdxi9Z7kfRaRyMvpsNTUEucujZwIbK2mdh1chXO0AX+S+tJbCROGA6U8+2W3 hL0PHOtUKd4ejGPuawbbSLgq6XC9xGcceoioFd8mGf69fP1BaB81k5m6f2VZeoeGemRwQ9+Qr3v JJrPSDXKI66is2LnjCj4erhvRB7KU/QfcrsotKwkvImniwh/gIdG+O+24RqX1Y13QXLrI5zC3ym dwP7JpEhKWhFv7Qe0UFS7AxtuSLN3fkz9tq9BQ47skHmXJ0C X-Developer-Key: i=mcanal@igalia.com; a=openpgp; fpr=F8E45D7D0116770729A677D13FF30E8A7688FAAA The BCM2835 PM block has exposed a reset line for the V3D block since commit 670c672608a1 ("soc: bcm: bcm2835-pm: Add support for power domains under a new binding."), which allows the GPU to be reset without power-cycling its domain. Document it so that the vc4 driver can use it to recover from a GPU hang. Keep the property optional, as existing device trees do not describe it. Signed-off-by: Maíra Canal --- Documentation/devicetree/bindings/display/brcm,bcm2835-v3d.yaml | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/devicetree/bindings/display/brcm,bcm2835-v3d.yaml b/Documentation/devicetree/bindings/display/brcm,bcm2835-v3d.yaml index c55a8217de25..1063e686647c 100644 --- a/Documentation/devicetree/bindings/display/brcm,bcm2835-v3d.yaml +++ b/Documentation/devicetree/bindings/display/brcm,bcm2835-v3d.yaml @@ -27,6 +27,9 @@ properties: power-domains: maxItems: 1 + resets: + maxItems: 1 + required: - compatible - reg -- 2.55.0