From patchwork Tue Aug 5 01:55:18 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dheeraj Jamwal X-Patchwork-Id: 4675581 Return-Path: X-Original-To: patchwork-ltsi-dev@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 9344AC0338 for ; Tue, 5 Aug 2014 01:55:05 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id D28A42015A for ; Tue, 5 Aug 2014 01:55:04 +0000 (UTC) Received: from mail.linuxfoundation.org (mail.linuxfoundation.org [140.211.169.12]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 0B11F2014A for ; Tue, 5 Aug 2014 01:55:04 +0000 (UTC) Received: from mail.linux-foundation.org (localhost [IPv6:::1]) by mail.linuxfoundation.org (Postfix) with ESMTP id CDA87C3C; Tue, 5 Aug 2014 01:52:33 +0000 (UTC) X-Original-To: ltsi-dev@lists.linuxfoundation.org Delivered-To: ltsi-dev@mail.linuxfoundation.org Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id A6135C2F for ; Tue, 5 Aug 2014 01:52:32 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by smtp1.linuxfoundation.org (Postfix) with ESMTP id 57DE5201B4 for ; Tue, 5 Aug 2014 01:52:32 +0000 (UTC) Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga101.jf.intel.com with ESMTP; 04 Aug 2014 18:52:32 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.01,802,1400050800"; d="scan'208";a="583425082" Received: from ubuntu-desktop.png.intel.com ([10.221.122.132]) by orsmga002.jf.intel.com with ESMTP; 04 Aug 2014 18:52:31 -0700 From: Dheeraj Jamwal To: ltsi-dev@lists.linuxfoundation.org Date: Tue, 5 Aug 2014 09:55:18 +0800 Message-Id: <1407203723-24877-37-git-send-email-dheerajx.s.jamwal@intel.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1407203723-24877-1-git-send-email-dheerajx.s.jamwal@intel.com> References: <1407203723-24877-1-git-send-email-dheerajx.s.jamwal@intel.com> X-Spam-Status: No, score=-4.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org Subject: [LTSI-dev] [PATCH 36/41] drm/i915: Enable DP port CRC for the "auto" source on g4x/vlv X-BeenThere: ltsi-dev@lists.linuxfoundation.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "A list to discuss patches, development, and other things related to the LTSI project" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: ltsi-dev-bounces@lists.linuxfoundation.org Errors-To: ltsi-dev-bounces@lists.linuxfoundation.org X-Virus-Scanned: ClamAV using ClamSMTP From: Daniel Vetter Now that DP port CRCs are stable, we can use it for generic CRC tests. Yay, the auto CRC source should now work everywhere! Reviewed-by: Damien Lespiau Signed-off-by: Daniel Vetter (cherry picked from commit 26756809583c1023dcbc896261105c1e289d262b) Signed-off-by: Dheeraj Jamwal --- drivers/gpu/drm/i915/i915_debugfs.c | 19 +++++++++++++++++-- 1 file changed, 17 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 82c58eb..7008aac 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -1990,6 +1990,7 @@ static int i9xx_pipe_crc_auto_source(struct drm_device *dev, enum pipe pipe, { struct intel_encoder *encoder; struct intel_crtc *crtc; + struct intel_digital_port *dig_port; int ret = 0; *source = INTEL_PIPE_CRC_SOURCE_PIPE; @@ -2011,8 +2012,22 @@ static int i9xx_pipe_crc_auto_source(struct drm_device *dev, enum pipe pipe, break; case INTEL_OUTPUT_DISPLAYPORT: case INTEL_OUTPUT_EDP: - /* We can't get stable CRCs for DP ports somehow. */ - ret = -ENODEV; + dig_port = enc_to_dig_port(&encoder->base); + switch (dig_port->port) { + case PORT_B: + *source = INTEL_PIPE_CRC_SOURCE_DP_B; + break; + case PORT_C: + *source = INTEL_PIPE_CRC_SOURCE_DP_C; + break; + case PORT_D: + *source = INTEL_PIPE_CRC_SOURCE_DP_D; + break; + default: + WARN(1, "nonexisting DP port %c\n", + port_name(dig_port->port)); + break; + } break; } }