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 CE2A63B4EA9 for ; Thu, 3 Sep 2026 21:19:30 +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=1788470376; cv=none; b=n+oMoAIs5r+xCC+pMYz6sGoMca79JzzdLIdPPgbmx/bbsg/LwsbLZU69jUQZLipZ0VyYg4zQvvr39pSpIVjFoRacuibpZgc6SzCzlEaXFW+1QvVyKd+dUvCVo/ZuiLE87qHEFK1CKJhT+2jTQFnXprWfM2yFBwormwRX4bUxYEA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788470376; c=relaxed/simple; bh=U8QJTmdnLaqYVlpKHH/UnFiG45Vt1+yL/5DpLYVKBUc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=O87F7u/cGh5erDLMDh12wGemjCUX5cVy/OzARDPE6cvCwESMNQaxgKxODJqyqFwgIWU8jxEAoKqZ+AMvSIPgkPZ0Fao5yXIVz2umRNHXFem7M6+QzF8LWsImHpiGRbBQ+rdCRb/KUBHzNT7TloY4rTbc40NDqsL6jnTg24UnndI= 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=i9q93nM0; 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="i9q93nM0" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1788470369; 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: in-reply-to:in-reply-to:references:references; bh=oisNWoIp7gQlNLE50911kRCMJdf5POJVWw1vlhgc66I=; b=i9q93nM0/7Bfmko9c0WITkGjZcZif+c1oktxj0UZbp+zcoHeXuDiO9C7RJikrwco9yPO0j bJY1NwxBv4rozvN4ex5X2vDHhqJmiVW2jp7ijQblYofx775YEK4xbNg4vQILqfx/Mbl5c5 y/kufDyahSkl6PBr9sAxtpsR/mdmsJs= 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-637-qxb0LdXEOjGu7NNr3YTmzg-1; Thu, 03 Sep 2026 17:19:25 -0400 X-MC-Unique: qxb0LdXEOjGu7NNr3YTmzg-1 X-Mimecast-MFC-AGG-ID: qxb0LdXEOjGu7NNr3YTmzg_1788470364 Received: from mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.17]) (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 B9DB1187E5CE; Thu, 3 Sep 2026 21:19:23 +0000 (UTC) Received: from GoldenWind.redhat.com (unknown [10.22.64.12]) by mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id AB0291955F70; Thu, 3 Sep 2026 21:19:21 +0000 (UTC) From: Lyude Paul To: dri-devel@lists.freedesktop.org, virtualization@lists.linux.dev, linux-kernel@lists.freedesktop.org Cc: Christian Hergert , "Dmitry Osipenko" , "David Airlie" , "Maarten Lankhorst" , linux-kernel@vger.kernel.org, "Simona Vetter" , "Gerd Hoffmann" , "Thomas Zimmermann" , "Maxime Ripard" , "Lyude Paul" Subject: [PATCH 2/2] drm/virtio: Recalculate ignore_damage_clips on every update Date: Thu, 3 Sep 2026 17:15:52 -0400 Message-ID: <20260903211914.1109100-3-lyude@redhat.com> In-Reply-To: <20260903211914.1109100-1-lyude@redhat.com> References: <20260903211914.1109100-1-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 3.0 on 10.30.177.17 From: Christian Hergert Plane state duplication preserves ignore_damage_clips. Once fbdev sets it for a dumb buffer, later updates using rendered resources continue to ignore damage because the flag is never cleared. Assign ignore_damage_clips on every atomic check so rendered resources can use supplied damage after an earlier dumb-buffer update. Signed-off-by: Christian Hergert Reviewed-by: Lyude Paul Signed-off-by: Lyude Paul --- drivers/gpu/drm/virtio/virtgpu_plane.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/virtio/virtgpu_plane.c b/drivers/gpu/drm/virtio/virtgpu_plane.c index d9579a4b4714c..95ec688690d3a 100644 --- a/drivers/gpu/drm/virtio/virtgpu_plane.c +++ b/drivers/gpu/drm/virtio/virtgpu_plane.c @@ -119,8 +119,8 @@ static int virtio_gpu_plane_atomic_check(struct drm_plane *plane, * so preserve userspace's accumulated per-buffer damage for those. */ bo = gem_to_virtio_gpu_obj(new_plane_state->fb->obj[0]); - if (old_plane_state->fb != new_plane_state->fb && bo->dumb) - new_plane_state->ignore_damage_clips = true; + new_plane_state->ignore_damage_clips = + old_plane_state->fb != new_plane_state->fb && bo->dumb; crtc_state = drm_atomic_get_crtc_state(state, new_plane_state->crtc); -- 2.55.0