From patchwork Wed Oct 17 11:03:05 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ramalingam C X-Patchwork-Id: 10645315 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 7E36D109C for ; Wed, 17 Oct 2018 11:05:36 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7F40C21327 for ; Wed, 17 Oct 2018 11:05:36 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7311B286A4; Wed, 17 Oct 2018 11:05:36 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id D146C21327 for ; Wed, 17 Oct 2018 11:05:35 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 0369B6E352; Wed, 17 Oct 2018 11:05:35 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by gabe.freedesktop.org (Postfix) with ESMTPS id 4B8FF6E357 for ; Wed, 17 Oct 2018 11:05:32 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 17 Oct 2018 04:05:32 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.54,392,1534834800"; d="scan'208";a="83300964" Received: from mint-dev.iind.intel.com ([10.223.25.164]) by orsmga006.jf.intel.com with ESMTP; 17 Oct 2018 04:05:30 -0700 From: Ramalingam C To: intel-gfx@lists.freedesktop.org, daniel.vetter@ffwll.ch Date: Wed, 17 Oct 2018 16:33:05 +0530 Message-Id: <1539774186-29076-4-git-send-email-ramalingam.c@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1539774186-29076-1-git-send-email-ramalingam.c@intel.com> References: <1539774186-29076-1-git-send-email-ramalingam.c@intel.com> Subject: [Intel-gfx] [PATCH 3/4] drm/i915: hdcp_check_link only on CP_IRQ X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sean Paul MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP HDCP check link is invoked only on CP_IRQ detection, instead of all short pulses. v3: No Changes. v4: Added sean in cc and collected the reviewed-by received. v5: No Change. v6: No Change. v7: No Change. v8: Rebased. Signed-off-by: Ramalingam C cc: Sean Paul Reviewed-by: Uma Shankar Reviewed-by: Sean Paul --- drivers/gpu/drm/i915/intel_dp.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 1f098e509143..27377bf8105c 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -4530,8 +4530,11 @@ static void intel_dp_check_service_irq(struct intel_dp *intel_dp) if (val & DP_AUTOMATED_TEST_REQUEST) intel_dp_handle_test_request(intel_dp); - if (val & (DP_CP_IRQ | DP_SINK_SPECIFIC_IRQ)) - DRM_DEBUG_DRIVER("CP or sink specific irq unhandled\n"); + if (val & DP_CP_IRQ) + intel_hdcp_check_link(intel_dp->attached_connector); + + if (val & DP_SINK_SPECIFIC_IRQ) + DRM_DEBUG_DRIVER("Sink specific irq unhandled\n"); } /* @@ -5694,9 +5697,6 @@ intel_dp_hpd_pulse(struct intel_digital_port *intel_dig_port, bool long_hpd) handled = intel_dp_short_pulse(intel_dp); - /* Short pulse can signify loss of hdcp authentication */ - intel_hdcp_check_link(intel_dp->attached_connector); - if (!handled) goto put_power; }