From nobody Fri Oct 10 13:38:15 2025 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 E7A8F54654 for ; Fri, 13 Jun 2025 13:20:57 +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=1749820859; cv=none; b=pzMgfjG5cdKz1y1wzHHoSaVe0B60VkX8IkEam5gI1LNTwqzXbdyc+eaxp2FSkRgczE3P4AzMJ1BKhQLkkPiaC5JsZTRyMmRNP50iLBsyetw/DjLWVXyUKzGEy+6EQqXoiCGDgc+HjLUYnn3BspWuBBxfeU+zbSgekKDnaTo4Jwg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749820859; c=relaxed/simple; bh=cprFsDhlPvg9I3voB75Z5llSh0d1SD1azopoEw6opfk=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=SIrop0qLEQo2iccQK68Y4ciIvtnZtNWNaEUiFDyuU3ynzTgcRz9OVLHf466uxJ7LogCM68ULajxyHP4VcTjFwFH+/Mro2KwZkJxnU6izNbjANG4eiXM27FKwjTrUK0BXREeHAjS8G+MdOwxXiYJ+VuK7NlH1HVRZ1zIIzLFhB20= 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=Zd3K4x4+; 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="Zd3K4x4+" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1749820857; 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=tfsl7na8vBkAH1D5HNAgOxCb5PMcLNTUrB21akYCqLA=; b=Zd3K4x4+ND3Mk8TMIZ4o+V4AANftjgeEXqDlYfIiboVu7PW8UE6clI+w5mFD1HCqo7Qtyn VLqfZCXBfKkiV+ugodI22BffEgA8ZWcPUHvHkyk79XKzSoOQ90tm0Nyiqrm3ni4gW4YLsP N324P3eY9l5YjnXmG+Ru5ysdM+MDIdI= Received: from mail-pg1-f199.google.com (mail-pg1-f199.google.com [209.85.215.199]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-617-AgGsIj9gPV6oe9E0AXSYeA-1; Fri, 13 Jun 2025 09:20:55 -0400 X-MC-Unique: AgGsIj9gPV6oe9E0AXSYeA-1 X-Mimecast-MFC-AGG-ID: AgGsIj9gPV6oe9E0AXSYeA_1749820855 Received: by mail-pg1-f199.google.com with SMTP id 41be03b00d2f7-b2f02cd1daeso1519618a12.3 for ; Fri, 13 Jun 2025 06:20:55 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1749820855; x=1750425655; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=tfsl7na8vBkAH1D5HNAgOxCb5PMcLNTUrB21akYCqLA=; b=q/o96yztMHQqVJf2tZaS4PvrItLrBcn2m/JqCbgemvL/MFrqNm90jBLZ7TiXFYfz4h NeW1bWmsZ1urE1//qNqB5vJDjDkPZ2nnlgHMYAJrQWtCdL0ndMma7x32AUlHpzf2Hbv/ 1FMhVcZehA90RiDbO9f6uVq6j1POUGFv4WHGctmnL9di7WzIR/pG4P+9HTzTW8JgO8QA Rs6A1hVtxZa5KiQIZTeu6KjseZ42Izc5XKW1gaKbtdl/REYfLtzbtEo3ke4AkalovVpJ cEjyAXC+WCJlavXNJA1p43OsXjBlFZJLztrqeuQfngnOhQRrm6yr9d+xW5TTZoQ8Psbr hPDA== X-Forwarded-Encrypted: i=1; AJvYcCWVMY3osXiZHvIIm3lAFzo4e0HUKKM3IH+x+8VwrnXZ+KVB12Ofg1mSyg0VCUfoKkNaqUchewQz+hHHOLI=@vger.kernel.org X-Gm-Message-State: AOJu0YwrHly54XGcvEhjTfZ307OjwT3RPwbZUJjmgIK5VASRG5hPZvz+ iq+gMI/8pq2440DexJYeNY4hxHdG74PdTlRDfDcLYTf5JQaDsDHKQqA/3nP1yPmOXkDyKW5paMM vMrD5hqPJ6jl2jx8qNMo5Dwf0XY4+vNkXnkuJKIkqCm5eLzN9nvUl4vOIZZ//wm+row== X-Gm-Gg: ASbGnctLMjtnlIEtFv/X4H9IS5bq4NJhx4iModoFMx9ReI0NHevIVz21blpVxaBx38A VNSTYf/Nzvt9h1oEgnLDh0zCiw2diTeoHTiWxjp3i+6n3+vsk87757WlN6YFbawqzNX8PlmypNb Rfgz7Cf3LLaawnMOVw5CRVQ1O3JpEZNhjw2fvyw9v6UzfG/ADGA5/F4O6hzNqfVwuO0teSzwUh9 umrTJ/OJw/aZmEspzkWtx2+ne3F8fyBaQ7BMTrzKWYauZEaitf7/+sMz0/KNS4HanaB/N/QDs4r 7WaqNCyEy8ASR8rKRfQ= X-Received: by 2002:a05:6a20:e196:b0:21f:775d:107e with SMTP id adf61e73a8af0-21facb26c8dmr3968597637.17.1749820854757; Fri, 13 Jun 2025 06:20:54 -0700 (PDT) X-Google-Smtp-Source: AGHT+IE223H+TJ8TXd6oDEioev4iMoI2/YxUX5Dfw+NXpEW25126CIcGpxhbG1+TbmG1LTliCo7ulA== X-Received: by 2002:a05:6a20:e196:b0:21f:775d:107e with SMTP id adf61e73a8af0-21facb26c8dmr3968563637.17.1749820854422; Fri, 13 Jun 2025 06:20:54 -0700 (PDT) Received: from zeus.. ([2405:6580:83a0:7600:6e93:a15a:9134:ae1f]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-b2fe1643e9esm1651732a12.25.2025.06.13.06.20.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 13 Jun 2025 06:20:53 -0700 (PDT) From: Ryosuke Yasuoka To: kraxel@redhat.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, airlied@gmail.com, simona@ffwll.ch, jfalempe@redhat.com Cc: Ryosuke Yasuoka , virtualization@lists.linux.dev, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org Subject: [PATCH drm-next] drm/bochs: Add support for drm_panic Date: Fri, 13 Jun 2025 22:20:14 +0900 Message-ID: <20250613132023.106946-1-ryasuoka@redhat.com> X-Mailer: git-send-email 2.49.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add drm_panic moudle for bochs drm so that panic screen can be displayed on panic. Signed-off-by: Ryosuke Yasuoka Reviewed-by: Jocelyn Falempe --- drivers/gpu/drm/tiny/bochs.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/drivers/gpu/drm/tiny/bochs.c b/drivers/gpu/drm/tiny/bochs.c index 8706763af8fb..ed42ad5c4927 100644 --- a/drivers/gpu/drm/tiny/bochs.c +++ b/drivers/gpu/drm/tiny/bochs.c @@ -19,6 +19,7 @@ #include #include #include +#include #include #include =20 @@ -469,10 +470,28 @@ static void bochs_primary_plane_helper_atomic_update(= struct drm_plane *plane, bochs_hw_setformat(bochs, fb->format); } =20 +static int bochs_primary_plane_helper_get_scanout_buffer(struct drm_plane = *plane, + struct drm_scanout_buffer *sb) +{ + struct bochs_device *bochs =3D to_bochs_device(plane->dev); + struct iosys_map map =3D IOSYS_MAP_INIT_VADDR_IOMEM(bochs->fb_map); + + if (plane->state && plane->state->fb) { + sb->format =3D plane->state->fb->format; + sb->width =3D plane->state->fb->width; + sb->height =3D plane->state->fb->height; + sb->pitch[0] =3D plane->state->fb->pitches[0]; + sb->map[0] =3D map; + return 0; + } + return -ENODEV; +} + static const struct drm_plane_helper_funcs bochs_primary_plane_helper_func= s =3D { DRM_GEM_SHADOW_PLANE_HELPER_FUNCS, .atomic_check =3D bochs_primary_plane_helper_atomic_check, .atomic_update =3D bochs_primary_plane_helper_atomic_update, + .get_scanout_buffer =3D bochs_primary_plane_helper_get_scanout_buffer, }; =20 static const struct drm_plane_funcs bochs_primary_plane_funcs =3D { base-commit: 19272b37aa4f83ca52bdf9c16d5d81bdd1354494 --=20 2.49.0