From patchwork Tue Jan 4 18:48:57 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Jani Nikula X-Patchwork-Id: 12703785 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 85B18C433F5 for ; Tue, 4 Jan 2022 18:49:12 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 905DD10E232; Tue, 4 Jan 2022 18:49:11 +0000 (UTC) Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTPS id BADEA10E225; Tue, 4 Jan 2022 18:49:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1641322149; x=1672858149; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=FJ0Oe5d0fcKbZzQyjft0luvMtS/fFn6PocjeuNV2Je4=; b=c2qQ4SgPfmxX4yGmvcXK476nuF2WqF1ORpSA76R8USsLq1I7oAJlTAtg X4n6odhlfCwyHI0EJlGg6Gswsz8UldiHLUWct7gdLrgkMEuJZ4LrwrQoT e9GYqK6veMoJlx6cbsloih/R4j6JC9qK8AMaHGPNzGE8Qp+hM448LSUTI Sa/gZfS/737M8/BVWaOeXtgOs+61j8e1L/L1rSBH1rV5ZfsJiURHxAUlt MUr0wenEKg7yQT69214+1ePy5K0CcxXZOixQX9o4FypfUDb56XaO915hY ThPlDzbRy6HEYcgKqCEJcu2CKJejcyOsOsRfRY/kKMOGwMmpm025q2l5h Q==; X-IronPort-AV: E=McAfee;i="6200,9189,10217"; a="242076314" X-IronPort-AV: E=Sophos;i="5.88,261,1635231600"; d="scan'208";a="242076314" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Jan 2022 10:49:09 -0800 X-IronPort-AV: E=Sophos;i="5.88,261,1635231600"; d="scan'208";a="688674273" Received: from gtobin-mobl1.ger.corp.intel.com (HELO localhost) ([10.252.11.253]) by orsmga005-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Jan 2022 10:49:07 -0800 From: Jani Nikula To: dri-devel@lists.freedesktop.org Date: Tue, 4 Jan 2022 20:48:57 +0200 Message-Id: <20220104184857.784563-2-jani.nikula@intel.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220104184857.784563-1-jani.nikula@intel.com> References: <20220104184857.784563-1-jani.nikula@intel.com> MIME-Version: 1.0 Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo Subject: [Intel-gfx] [PATCH 2/2] drm/mst: use DP_GET_SINK_COUNT() for sink count in ESI X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: jani.nikula@intel.com, intel-gfx@lists.freedesktop.org Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Take bit 7 into account when reading sink count from DP_DEVICE_SERVICE_IRQ_VECTOR_ESI0. Signed-off-by: Jani Nikula Reviewed-by: Ville Syrjälä --- drivers/gpu/drm/drm_dp_mst_topology.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c index f3d79eda94bb..ab4372e9fe43 100644 --- a/drivers/gpu/drm/drm_dp_mst_topology.c +++ b/drivers/gpu/drm/drm_dp_mst_topology.c @@ -4196,7 +4196,7 @@ int drm_dp_mst_hpd_irq(struct drm_dp_mst_topology_mgr *mgr, u8 *esi, bool *handl int ret = 0; int sc; *handled = false; - sc = esi[0] & 0x3f; + sc = DP_GET_SINK_COUNT(esi[0]); if (sc != mgr->sink_count) { mgr->sink_count = sc;