From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (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 32A5E199947 for ; Tue, 15 Sep 2026 21:07:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789506424; cv=none; b=I3Qg6sci5G2zciRjAfK/J7wZJ4+bHLAcwwdifV8+gNDJ5X6zsE+ZhXFwdENoy342BcIbsCztMzjizm0MR4GOsj12GURKidVU2MoUFGcU6+sNvMzEWOeMrDYpe91V9trXssCPJBYiPurc8Y2R6+HWRNgUIqPjAGIfdft7WelUNds= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789506424; c=relaxed/simple; bh=1WYFqH4lWrR9hppQuguNE51BLkBA1ZVaf7I4eKzRY8c=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=DNMZO2PDo7DAbajrdEjV03sXTIF3MWpAbTxqVZ9BJqUlD4btaSxAkWj1CNKk5YuFShz6fokthJ4PqRtuz3IBQJwn59JQO8TugDbBKtfz6Rj/3db5f2tnL0DwDR6Ah4liQJOwWWJ7Yy5GqsR1ohGANP9WAdVmaUeciZyO8eml9Fg= 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=hMcRFhGv; arc=none smtp.client-ip=170.10.133.124 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="hMcRFhGv" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1789506422; 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; bh=XCC8shsiIFCG6ymQVfbHy2NkjZ0M95ZFCt7+WcSpRqw=; b=hMcRFhGvbm2XejCmeELHqo6fDofjcWT0R9Ob472Q1Oi5MS2ipN0qUW+pGde/tF4dt57Jq2 RuQHIdMn2JiyLmJIUIw3LEO3l0csDq9RWJEWFLKyiKWcKazyFgWd4IZz0CTJ3OrNsUvfi8 5Cc8Wx1OqbltxOaVx5XLYSufttdzyog= Received: from mx-prod-mc-06.mail-002.prod.us-west-2.aws.redhat.com (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-280-zYT-ogVEP3qBJbNo654LFQ-1; Tue, 15 Sep 2026 17:06:58 -0400 X-MC-Unique: zYT-ogVEP3qBJbNo654LFQ-1 X-Mimecast-MFC-AGG-ID: zYT-ogVEP3qBJbNo654LFQ_1789506416 Received: from mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.111]) (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-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 748E71828AA2; Tue, 15 Sep 2026 21:06:55 +0000 (UTC) Received: from GoldenWind.redhat.com (unknown [10.22.80.179]) by mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 896101800446; Tue, 15 Sep 2026 21:06:52 +0000 (UTC) From: Lyude Paul To: dri-devel@lists.freedesktop.org, nouveau@lists.freedesktop.org, linux-kernel@vger.kernel.org Cc: "Timur Tabi" , "Dave Airlie" , "Mohamed Ahmed" , "Andy Shevchenko" , "Maarten Lankhorst" , "Kees Cook" , "Simona Vetter" , "David Airlie" , "Thomas Zimmermann" , "Maxime Ripard" , "Hongling Zeng" , "Mel Henning" , "Danilo Krummrich" , "Lyude Paul" Subject: [PATCH v2 0/5] drm/nouveau/gsp/r570: Follow OpenRM's runtime PM process more closely Date: Tue, 15 Sep 2026 14:51:47 -0400 Message-ID: <20260915210647.695187-1-lyude@redhat.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.111 While we have runtime PM working a lot more reliably then in the past with R570, we're still doing things a lot differently then OpenRM. For instance, we don't save/restore comptag backing stores, and we don't ask GSP whether it's OK to enter GcOff. This series fixes this, and gets our runtime PM process to look a lot closer to OpenRM's by implementing some missing pieces and workarounds. Tested on my daily-driver desktop with an AD102, a ThinkPad P17 Gen1 with a GA103GLM, a Dell Precision 7780 with an AD103, and my test machine with a GB206. Patch series based on drm-misc/drm-misc-next. Branch with patches here: https://gitlab.freedesktop.org/lyudess/linux/-/commits/nouveau/rpm-openrm-sync Lyude Paul (5): drm/nouveau/gsp/r535: Add support for INTERNAL_GCX_ENTRY_PREREQUISITE drm/nouveau/gsp/r535: Add support for MEMSYS_GET_STATIC_CONFIG drm/nouveau/gsp/r570: Add comp mode workaround from issue #3172217 drm/nouveau/gsp/r570: Start saving comptag backing stores drm/nouveau/gsp/r570: Enable Gcoff in fbsr again drivers/gpu/drm/nouveau/include/nvif/cl0080.h | 10 +++ drivers/gpu/drm/nouveau/include/nvif/device.h | 1 + .../gpu/drm/nouveau/include/nvkm/subdev/gsp.h | 4 + drivers/gpu/drm/nouveau/nouveau_drm.c | 9 +++ drivers/gpu/drm/nouveau/nvif/device.c | 13 ++++ .../gpu/drm/nouveau/nvkm/engine/device/user.c | 39 ++++++++++ .../gpu/drm/nouveau/nvkm/subdev/gsp/priv.h | 1 + .../drm/nouveau/nvkm/subdev/gsp/rm/r535/gsp.c | 43 +++++++++++ .../nvkm/subdev/gsp/rm/r535/nvrm/gsp.h | 52 +++++++++++++ .../nouveau/nvkm/subdev/gsp/rm/r570/fbsr.c | 77 ++++++++++++++++++- .../drm/nouveau/nvkm/subdev/gsp/rm/r570/gsp.c | 8 ++ .../nvkm/subdev/gsp/rm/r570/nvrm/fbsr.h | 29 +++++++ .../nvkm/subdev/gsp/rm/r570/nvrm/gsp.h | 50 ++++++++++++ .../gpu/drm/nouveau/nvkm/subdev/gsp/rm/rm.h | 2 + 14 files changed, 336 insertions(+), 2 deletions(-) base-commit: 5363e01e4ff03a204cab85292b89cf90c2d1b101 -- 2.55.0