From patchwork Mon Nov 7 07:39:16 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kandpal, Suraj" X-Patchwork-Id: 13033995 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 2E0A0C433FE for ; Mon, 7 Nov 2022 07:40:44 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 9ACEA10E22C; Mon, 7 Nov 2022 07:40:38 +0000 (UTC) Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTPS id 4EAFB10E1F8 for ; Mon, 7 Nov 2022 07:40:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1667806826; x=1699342826; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=MzkWnHWXk0PhBOrs9wAOBJpQLafQ22GbzBxZUo9DCyY=; b=E0JokmYBMtCJqEB1kf25yWvHnf0YaNtZj+CASNwGMN94p8AJam1q4C/I sOEqkRW6/Hof8hQ9tmrNkb6kde9XGtvIY71oC4rjc+IisDhFcbHc/gcp2 lCEKe6IZ+KHHf9aL80Ts9IUdoaIRK9DigsMHHruhiKnT6a3KJXv3Qqig1 +fcAYehrwZGgVKiTrWl9F8S9UR1cVE//2pfKPGLkfKEYYEzwuoM643xNW Yqn1jal8SCgIkaYk4+a0292nCJci31d/LBu3N0ii70hv5TY9qAI7mZqeq Oa2cAPcHJVLzDsMvo2lKl8Y2PeXD7KTu0TPxvhawQyDl30JXGuRhQwXCO g==; X-IronPort-AV: E=McAfee;i="6500,9779,10523"; a="311482312" X-IronPort-AV: E=Sophos;i="5.96,143,1665471600"; d="scan'208";a="311482312" Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Nov 2022 23:40:26 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10523"; a="965051625" X-IronPort-AV: E=Sophos;i="5.96,143,1665471600"; d="scan'208";a="965051625" Received: from kandpal-x299-ud4-pro.iind.intel.com ([10.190.239.32]) by fmsmga005.fm.intel.com with ESMTP; 06 Nov 2022 23:40:24 -0800 From: Suraj Kandpal To: intel-gfx@lists.freedesktop.org Date: Mon, 7 Nov 2022 13:09:16 +0530 Message-Id: <20221107073923.1353049-2-suraj.kandpal@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221107073923.1353049-1-suraj.kandpal@intel.com> References: <20221107073923.1353049-1-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