From patchwork Thu Mar 8 11:59:03 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ramalingam C X-Patchwork-Id: 10267879 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 7CA3A60364 for ; Thu, 8 Mar 2018 12:09:58 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6BCD6298C6 for ; Thu, 8 Mar 2018 12:09:58 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 60CFE298C8; Thu, 8 Mar 2018 12:09:58 +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=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=unavailable 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 0010E298C6 for ; Thu, 8 Mar 2018 12:09:57 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 1A39A6E923; Thu, 8 Mar 2018 12:06:56 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTPS id CFB166E921; Thu, 8 Mar 2018 12:06:53 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga101.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 08 Mar 2018 04:06:53 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.47,440,1515484800"; d="scan'208";a="32288144" Received: from mint-dev.iind.intel.com ([10.223.25.164]) by FMSMGA003.fm.intel.com with ESMTP; 08 Mar 2018 04:06:50 -0800 From: Ramalingam C To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, seanpaul@chromium.org, chris@chris-wilson.co.uk, tomas.winkler@intel.com, jani.nikula@linux.intel.com Date: Thu, 8 Mar 2018 17:29:03 +0530 Message-Id: <1520510349-8385-37-git-send-email-ramalingam.c@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1520510349-8385-1-git-send-email-ramalingam.c@intel.com> References: <1520510349-8385-1-git-send-email-ramalingam.c@intel.com> Subject: [Intel-gfx] [PATCH v2 36/42] 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: rodrigo.vivi@intel.com 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. Signed-off-by: Ramalingam C --- drivers/gpu/drm/i915/intel_dp.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 42f3b3331e90..2fce0d6329a5 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -4470,8 +4470,10 @@ intel_dp_short_pulse(struct intel_dp *intel_dp) if (sink_irq_vector & DP_AUTOMATED_TEST_REQUEST) intel_dp_handle_test_request(intel_dp); - if (sink_irq_vector & (DP_CP_IRQ | DP_SINK_SPECIFIC_IRQ)) - DRM_DEBUG_DRIVER("CP or sink specific irq unhandled\n"); + if (sink_irq_vector & DP_CP_IRQ) + intel_hdcp_check_link(intel_dp->attached_connector); + if (sink_irq_vector & DP_SINK_SPECIFIC_IRQ) + DRM_DEBUG_DRIVER("Sink specific irq unhandled\n"); } intel_dp_check_link_status(intel_dp); @@ -5478,9 +5480,6 @@ intel_dp_hpd_pulse(struct intel_digital_port *intel_dig_port, bool long_hpd) drm_modeset_acquire_fini(&ctx); WARN(iret, "Acquiring modeset locks failed with %i\n", iret); - /* Short pulse can signify loss of hdcp authentication */ - intel_hdcp_check_link(intel_dp->attached_connector); - if (!handled) { intel_dp->detect_done = false; goto put_power;