From patchwork Mon Nov 7 07:17:54 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kandpal, Suraj" X-Patchwork-Id: 13033863 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 F013EC4332F for ; Mon, 7 Nov 2022 07:19:20 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 43CDD10E1F4; Mon, 7 Nov 2022 07:19:17 +0000 (UTC) Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTPS id E80FE10E0B7 for ; Mon, 7 Nov 2022 07:19:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1667805550; x=1699341550; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=MzkWnHWXk0PhBOrs9wAOBJpQLafQ22GbzBxZUo9DCyY=; b=hfjjQBwFi2YgC3dwcf2i1UXSs2D1ewxyUXoW4D8ITGpzXXsvMNGTWz4G 5gu9pjIIIL9+TI/9FU7V4udOhQQZ2Jn8aytaCk5DdOOAnQmf0gEbbVi2v G7619QTA7/x/q5dfL4KWiwaYT35HV8QP+59klj9gKcdxQrKVgMnVam7N6 z0f3v0EXJhfAwwIEfXIOSuWhRxBJmjotjV8KQ9yJ7mP5C6+I3q/hatjoI pu9F3Xo50vX/kMmDGEzCB8NLWKNsXs2msWdsOf+U/pmy0uiSwJE+s7IRZ 6IeTXEw2MX4f2/avgl1ng/w/Q/S4Ykn29u4XfXyO51rkieVkL/Xc5Rp4a Q==; X-IronPort-AV: E=McAfee;i="6500,9779,10523"; a="307967996" X-IronPort-AV: E=Sophos;i="5.96,143,1665471600"; d="scan'208";a="307967996" Received: from orsmga007.jf.intel.com ([10.7.209.58]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Nov 2022 23:19:10 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10523"; a="630389140" X-IronPort-AV: E=Sophos;i="5.96,143,1665471600"; d="scan'208";a="630389140" Received: from kandpal-x299-ud4-pro.iind.intel.com ([10.190.239.32]) by orsmga007.jf.intel.com with ESMTP; 06 Nov 2022 23:19:09 -0800 From: Suraj Kandpal To: intel-gfx@lists.freedesktop.org Date: Mon, 7 Nov 2022 12:47:54 +0530 Message-Id: <20221107071801.1352870-2-suraj.kandpal@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221107071801.1352870-1-suraj.kandpal@intel.com> References: <20221107071801.1352870-1-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