From patchwork Mon Nov 7 07:34:25 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kandpal, Suraj" X-Patchwork-Id: 13033984 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 2017FC433FE for ; Mon, 7 Nov 2022 07:35:58 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 3C67E10E1FC; Mon, 7 Nov 2022 07:35:57 +0000 (UTC) Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by gabe.freedesktop.org (Postfix) with ESMTPS id 1072410E1F8 for ; Mon, 7 Nov 2022 07:35:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1667806554; x=1699342554; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=MzkWnHWXk0PhBOrs9wAOBJpQLafQ22GbzBxZUo9DCyY=; b=cA4vq3avZfVs4NUAod+1sMp8iZYgc8IMU/BDKP1yvZ+/8D6rUUYrfvv5 EuA/1urjZ8Q5J3SBSNp80fsOegzXDDdHLzbH6llmLfZoGkKiYSxbDgZAO rgE9P1MI1ylhJANy/HeYbHt+287BBXJZ7HFK7/mxjD/h4ySufbffs9NYA PP73h50dij25xGvLi1mB/t9iRKibgrW8dVMyfuB2maCgbMZ0aUMrHF/H/ SGB4/vs/DIoWGmByw7IFo0NtbL7uWJR9RIxMlBKM2L+xWpkcFvy/sNKco 4d55sysp8gZrafHgjM9tQnsorqHnX8DpKud2UpIfW8XC+fG/I7rkD+ISY A==; X-IronPort-AV: E=McAfee;i="6500,9779,10523"; a="374599309" X-IronPort-AV: E=Sophos;i="5.96,143,1665471600"; d="scan'208";a="374599309" Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Nov 2022 23:35:53 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10523"; a="638268663" X-IronPort-AV: E=Sophos;i="5.96,143,1665471600"; d="scan'208";a="638268663" Received: from kandpal-x299-ud4-pro.iind.intel.com ([10.190.239.32]) by fmsmga007.fm.intel.com with ESMTP; 06 Nov 2022 23:35:51 -0800 From: Suraj Kandpal To: intel-gfx@lists.freedesktop.org Date: Mon, 7 Nov 2022 13:04:25 +0530 Message-Id: <20221107073432.1352991-2-suraj.kandpal@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221107073432.1352991-1-suraj.kandpal@intel.com> References: <20221014152622.233398-1-suraj.kandpal@intel.com> <20221107073432.1352991-1-suraj.kandpal@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v5 1/8] drm/dp_helper: Add helper to check if the sink supports given format with DSC 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: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" From: Ankit Nautiyal Add helper function to check if the DP sink supports DSC with the given output format. Signed-off-by: Ankit Nautiyal --- include/drm/display/drm_dp_helper.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/include/drm/display/drm_dp_helper.h b/include/drm/display/drm_dp_helper.h index ab55453f2d2c..6c1706280746 100644 --- a/include/drm/display/drm_dp_helper.h +++ b/include/drm/display/drm_dp_helper.h @@ -193,6 +193,12 @@ drm_dp_dsc_sink_max_slice_width(const u8 dsc_dpcd[DP_DSC_RECEIVER_CAP_SIZE]) return dsc_dpcd[DP_DSC_MAX_SLICE_WIDTH - DP_DSC_SUPPORT] * DP_DSC_SLICE_WIDTH_MULTIPLIER; } +/* Check if sink supports DSC with given output format */ +static inline bool +drm_dp_dsc_sink_supports_format(const u8 dsc_dpcd[DP_DSC_RECEIVER_CAP_SIZE], u8 output_format) +{ + return dsc_dpcd[DP_DSC_DEC_COLOR_FORMAT_CAP - DP_DSC_SUPPORT] & output_format; +} /* Forward Error Correction Support on DP 1.4 */ static inline bool