From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B06B4C433ED for ; Wed, 19 May 2021 16:38:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 90C3B61244 for ; Wed, 19 May 2021 16:38:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1355273AbhESQjV (ORCPT ); Wed, 19 May 2021 12:39:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43064 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230239AbhESQjU (ORCPT ); Wed, 19 May 2021 12:39:20 -0400 Received: from mail-pg1-x534.google.com (mail-pg1-x534.google.com [IPv6:2607:f8b0:4864:20::534]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0BEFCC06175F for ; Wed, 19 May 2021 09:38:01 -0700 (PDT) Received: by mail-pg1-x534.google.com with SMTP id m190so9862838pga.2 for ; Wed, 19 May 2021 09:38:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=PWAvNwu70yGi0piG77zI81vixdJghKqkkTMOfFNChiI=; b=bAj0WCRFddjma1o2wG/8OaQv3rH6Vvbm8G4hloglgISNVznmFxyUSWnj5xsUqdyIzU 26BpAMftuvWgbeFaX7McXsMDe06c2Ura8txQhwAUaf/lfQiaEvx6sjSKV4g4mmeUWE03 xkKgpmfKa4hKXZoQXF/pOqm+86GfGoXxY+zvFFT8HYzwzGfS5iaJLoVBxCeeF74q2a8R OXc+5mqLzPaKwzbRFc3e4T93nsukzOvTXFxPPusXWPqBIKz+95knEvJuOJH4nC/MenQH AFrMPtYI5v1+lEP+kT3ZFBC8kfMqBq46fswU2hldtZ1yyaOHPanu4nLaCDXniYxDi4GU B4gQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=PWAvNwu70yGi0piG77zI81vixdJghKqkkTMOfFNChiI=; b=DpBFfta+0rzWNlCbckHLXKwenWDOvAjc3pA+ro4mqTqdTdMMXBhLqcmy+jdvaHhojp +f4fi3Bn+Ddfrl2xTY3Sq7gYdk5aC/8DjrQ5jQusJuoP4DECDv84onr/U1oLo4WUCr84 sYL0p0B4cdiwCCH51RnOpjjSMQhiQ+xsNpnPMFyd+AK41k3q+AIkOa6qiI790Ip84hb2 AE+Y36V07D4N+jMb8QFGW+9SZ7sFSMMnJ4GZ0MQdLBlyNxdFwzvDhbzYyIG/+5NBuQ0w CcVtaFV8Ta0+FBh72R+N/fS0GEGVoqRi3CEToIeeU50BTKqrHuuJHdoUUju87WGVnzrk cWfw== X-Gm-Message-State: AOAM533+vM2ZuM2B6objR1Du7mVGr2SEByMknf86vsz/vU+6k+xeqwE6 J7GCVG4o5G+jLx3hI7fTh5k= X-Google-Smtp-Source: ABdhPJxmdAmiWNmDS4LnfZSvXA+4JygIuZmMW4NBbMR321aD/VzJRT7H733KHeb17RDRKDjIPNre7Q== X-Received: by 2002:a63:f74b:: with SMTP id f11mr11731566pgk.327.1621442280677; Wed, 19 May 2021 09:38:00 -0700 (PDT) Received: from arch2.localdomain ([182.68.112.122]) by smtp.gmail.com with ESMTPSA id y1sm1442606pfn.13.2021.05.19.09.37.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 19 May 2021 09:38:00 -0700 (PDT) From: Deepak Rawat To: dri-devel@lists.freedesktop.org, linux-hyperv@vger.kernel.org Cc: Dexuan Cui , Thomas Zimmermann , Michael Kelley , Deepak Rawat Subject: [PATCH v5 2/3] drm/hyperv: Handle feature change message from device Date: Wed, 19 May 2021 09:37:38 -0700 Message-Id: <20210519163739.1312-2-drawat.floss@gmail.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210519163739.1312-1-drawat.floss@gmail.com> References: <20210519163739.1312-1-drawat.floss@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-hyperv@vger.kernel.org Virtual device inform if screen update is needed or not with SYNTHVID_FEATURE_CHANGE message. Handle this message to set dirt_needed flag. Suggested-by: Dexuan Cui Signed-off-by: Deepak Rawat Acked-by: Thomas Zimmermann --- drivers/gpu/drm/hyperv/hyperv_drm.h | 1 + drivers/gpu/drm/hyperv/hyperv_drm_drv.c | 2 ++ drivers/gpu/drm/hyperv/hyperv_drm_proto.c | 7 +++++++ 3 files changed, 10 insertions(+) diff --git a/drivers/gpu/drm/hyperv/hyperv_drm.h b/drivers/gpu/drm/hyperv/hyperv_drm.h index e1d1fdea96f2..886add4f9cd0 100644 --- a/drivers/gpu/drm/hyperv/hyperv_drm.h +++ b/drivers/gpu/drm/hyperv/hyperv_drm.h @@ -29,6 +29,7 @@ struct hyperv_drm_device { struct completion wait; u32 synthvid_version; u32 mmio_megabytes; + bool dirt_needed; u8 init_buf[VMBUS_MAX_PACKET_SIZE]; u8 recv_buf[VMBUS_MAX_PACKET_SIZE]; diff --git a/drivers/gpu/drm/hyperv/hyperv_drm_drv.c b/drivers/gpu/drm/hyperv/hyperv_drm_drv.c index c346dc7544aa..878b48a186c2 100644 --- a/drivers/gpu/drm/hyperv/hyperv_drm_drv.c +++ b/drivers/gpu/drm/hyperv/hyperv_drm_drv.c @@ -198,6 +198,8 @@ static int hyperv_vmbus_probe(struct hv_device *hdev, if (ret) drm_warn(dev, "Failed to update vram location.\n"); + hv->dirt_needed = true; + ret = hyperv_mode_config_init(hv); if (ret) goto err_vmbus_close; diff --git a/drivers/gpu/drm/hyperv/hyperv_drm_proto.c b/drivers/gpu/drm/hyperv/hyperv_drm_proto.c index 700870b243fe..6fff24b40974 100644 --- a/drivers/gpu/drm/hyperv/hyperv_drm_proto.c +++ b/drivers/gpu/drm/hyperv/hyperv_drm_proto.c @@ -301,8 +301,12 @@ int hyperv_update_situation(struct hv_device *hdev, u8 active, u32 bpp, int hyperv_update_dirt(struct hv_device *hdev, struct drm_rect *rect) { + struct hyperv_drm_device *hv = hv_get_drvdata(hdev); struct synthvid_msg msg; + if (!hv->dirt_needed) + return 0; + memset(&msg, 0, sizeof(struct synthvid_msg)); msg.vid_hdr.type = SYNTHVID_DIRT; @@ -387,6 +391,9 @@ static void hyperv_receive_sub(struct hv_device *hdev) complete(&hv->wait); return; } + + if (msg->vid_hdr.type == SYNTHVID_FEATURE_CHANGE) + hv->dirt_needed = msg->feature_chg.is_dirt_needed; } static void hyperv_receive(void *ctx) -- 2.31.1