From nobody Sat Feb 7 08:27:08 2026 Received: from sender4-pp-f112.zoho.com (sender4-pp-f112.zoho.com [136.143.188.112]) (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 3ABC81E3DED for ; Wed, 10 Dec 2025 14:31:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=pass smtp.client-ip=136.143.188.112 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765377080; cv=pass; b=vB0izKhAWkhzDqWHFxdXhWgyxBaHM0Da9f7276xnZrknJ1HbN7ZX6Rxy/06jp5mbi8xENPkHUJFZppIsj41ztZ+SB6SgqBix8vqCVMAVBWbRc1sHi/mSBWDsJyxvQYuzPmCe3ly4Y4zu9+jJ6ergemipb7KY8W2GG3daktIPO0o= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765377080; c=relaxed/simple; bh=8I8lKstggjB8VxJPCF/JCmNh5WJjGRo306wnvOXskow=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=FUxP48DIjc23reg0lfNVg/vlr224sbh++gkQlRO9lGXBQ9kGL0lahP3ekGoHaeTGi3Ij0l6TAYHIfu8BkeNFmYauhCD6tbKq7O5z3DvqyZbUxooy2spebjyKmp7CBDb5P+9Ws43/sGgbri5z2Dlnf6ezjXX4o8WJqmfZznTjjS8= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (1024-bit key) header.d=collabora.com header.i=nicolas.frattaroli@collabora.com header.b=SMDBwmOz; arc=pass smtp.client-ip=136.143.188.112 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=collabora.com header.i=nicolas.frattaroli@collabora.com header.b="SMDBwmOz" ARC-Seal: i=1; a=rsa-sha256; t=1765377057; cv=none; d=zohomail.com; s=zohoarc; b=nB007A6yfb7kFqKIbwfPGElgHe9eaMAdIfe1PbM/hOH2p5AulcQ5n8zJXRkH6f9SBIwVtCKCtvSL4+JpCaX7Fzc80EJXTusXdHnCmef5xqocGU5T4zmtWkFFmsqyx4wgJACaSd2dpjox2CuGvpydJCfOl3q6264KnDor3FgWlrE= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1765377057; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:MIME-Version:Message-ID:References:Subject:Subject:To:To:Message-Id:Reply-To; bh=LwVZ+VtALnH6wfKlHfuVOKsP1Ts6+08k1gucGtQpqFk=; b=jDdoTP4mzgoaPl0ZHNG5zy3VmBrij0htWjhz/O0XKsdhWvYaSyE9XrPFUDwBxjwm4Pw3+NNrfVyglHu0SJGRTjjc6xXxo8LsetgS/kWHMyW2fR+It2fOum7Ua3b767UvLzFkI7JNtu4HRwvRNtw66xg3Wldrtu7VLmjSy6ATKys= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=collabora.com; spf=pass smtp.mailfrom=nicolas.frattaroli@collabora.com; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1765377057; s=zohomail; d=collabora.com; i=nicolas.frattaroli@collabora.com; h=From:From:Date:Date:Subject:Subject:MIME-Version:Content-Type:Content-Transfer-Encoding:Message-Id:Message-Id:References:In-Reply-To:To:To:Cc:Cc:Reply-To; bh=LwVZ+VtALnH6wfKlHfuVOKsP1Ts6+08k1gucGtQpqFk=; b=SMDBwmOz+NePvxiT7FbE5ZlAhSPT1HRw5Eip4sZPUfJYH5rKAYgCtPfF/eJNgYAg eETV8I5m9UANd3a7NXzVDFMsZ3sjbgIQLPZ+dHMXQ+2kB2Q3M72EwTwNG3LIJ0uo4qm hj2Aq8BpJrs3PczCeDgfmG4qEfO4+gHpluQh2oqQ= Received: by mx.zohomail.com with SMTPS id 176537705463225.457251165214757; Wed, 10 Dec 2025 06:30:54 -0800 (PST) From: Nicolas Frattaroli Date: Wed, 10 Dec 2025 15:30:38 +0100 Subject: [PATCH v2 2/4] drm/panthor: Add SHADER_PWRFEATURES register definition 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: quoted-printable Message-Id: <20251210-panthor-tracepoints-v2-2-ace2e29bad0f@collabora.com> References: <20251210-panthor-tracepoints-v2-0-ace2e29bad0f@collabora.com> In-Reply-To: <20251210-panthor-tracepoints-v2-0-ace2e29bad0f@collabora.com> To: Boris Brezillon , Steven Price , Liviu Dudau , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Chia-I Wu , Karunika Choo Cc: kernel@collabora.com, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Nicolas Frattaroli X-Mailer: b4 0.14.3 Available starting with Mali v12, the SHADER_PWRFEATURES register is a 32-bit register that contains a single bit so far. This bit flag indicates whether the RT cores should be powered up or not. The name "SHADER_PWRFEATURES" (as opposed to "SHADER_POWER_FEATURES") is taken directly from official hardware documentation. Signed-off-by: Nicolas Frattaroli --- drivers/gpu/drm/panthor/panthor_regs.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/panthor/panthor_regs.h b/drivers/gpu/drm/panth= or/panthor_regs.h index 08bf06c452d6..4c79cec8dc21 100644 --- a/drivers/gpu/drm/panthor/panthor_regs.h +++ b/drivers/gpu/drm/panthor/panthor_regs.h @@ -96,6 +96,8 @@ #define L2_READY 0x160 =20 #define SHADER_PWRON 0x180 +#define SHADER_PWRFEATURES 0x188 +#define SHADER_PWRFEATURES_RT BIT(0) #define TILER_PWRON 0x190 #define L2_PWRON 0x1A0 =20 --=20 2.52.0