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x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=linuxfoundation.org header.result=pass header_is_org_domain=yes Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S969119AbeCSSVv (ORCPT ); Mon, 19 Mar 2018 14:21:51 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:48284 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S969602AbeCSSVt (ORCPT ); Mon, 19 Mar 2018 14:21:49 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Sinclair Yeh , Thomas Hellstrom , Sasha Levin Subject: [PATCH 4.9 088/241] drm/vmwgfx: Fixes to vmwgfx_fb Date: Mon, 19 Mar 2018 19:05:53 +0100 Message-Id: <20180319180754.849858133@linuxfoundation.org> X-Mailer: git-send-email 2.16.2 In-Reply-To: <20180319180751.172155436@linuxfoundation.org> References: <20180319180751.172155436@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 4.9-stable review patch. If anyone has any objections, please let me know. ------------------ From: Sinclair Yeh [ Upstream commit aa74f0687cfe998e59b20d6454f45e8aa4403c45 ] 1. When unsetting a mode, num_connector should be set to zero 2. The pixel_format field needs to be initialized as newer DRM internal functions checks this field 3. Take the drm_modeset_lock_all() because vmw_fb_kms_detach() can change current mode Signed-off-by: Sinclair Yeh Reviewed-by: Thomas Hellstrom Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/vmwgfx/vmwgfx_fb.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) --- a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c @@ -433,7 +433,7 @@ static int vmw_fb_kms_detach(struct vmw_ set.y = 0; set.mode = NULL; set.fb = NULL; - set.num_connectors = 1; + set.num_connectors = 0; set.connectors = &par->con; ret = drm_mode_set_config_internal(&set); if (ret) { @@ -821,7 +821,9 @@ int vmw_fb_off(struct vmw_private *vmw_p flush_delayed_work(&par->local_work); mutex_lock(&par->bo_mutex); + drm_modeset_lock_all(vmw_priv->dev); (void) vmw_fb_kms_detach(par, true, false); + drm_modeset_unlock_all(vmw_priv->dev); mutex_unlock(&par->bo_mutex); return 0;