From patchwork Wed Oct 23 06:52:57 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ankit Nautiyal X-Patchwork-Id: 13846562 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 71C92D2E01B for ; Wed, 23 Oct 2024 06:51:15 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 174C210E75B; Wed, 23 Oct 2024 06:51:15 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="FwYNLldY"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.13]) by gabe.freedesktop.org (Postfix) with ESMTPS id CD7FA10E766; Wed, 23 Oct 2024 06:51:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1729666269; x=1761202269; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=7dfMhnorMMaNUpOgkl6t1AcTCVe+qyMxdojYeV1HHjw=; b=FwYNLldYHj54JNqkiWp226EiK7GM7XMQSCz0jt83LbHiMhwJpkzz3ml1 W6q9kIijAmdFHpFERV+jD+y5gJDqb5HTH7fbItCU4IlCipWk04w7IgQ25 MX5LgNJ0B/LaEdlB/6Ya+QpHlXNhwskPJqARvwLdN/OxoWbLoaCNfQQNJ Y8ES3ImBgz0meP4P32PLkryrSBb0FBB02lR7IYzT5qiRuxYcNMRHTzYJT QiceU8QvXvWUu/PtiBk6km0feP74ytKeWkhkis/hJ80QN3yJ+UqZrynRs 1R/RZ5ep2OiN28TfQ5yOzQ6+E11MxvrGsSDfjdUlRh8A8sqCc8YJrmfVj g==; X-CSE-ConnectionGUID: 5yQ6rXjZRx2QzugtwuVgNg== X-CSE-MsgGUID: 22Hofui4Qx2jfv3V/nwUJg== X-IronPort-AV: E=McAfee;i="6700,10204,11233"; a="32097514" X-IronPort-AV: E=Sophos;i="6.11,225,1725346800"; d="scan'208";a="32097514" Received: from fmviesa005.fm.intel.com ([10.60.135.145]) by fmvoesa107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Oct 2024 23:51:09 -0700 X-CSE-ConnectionGUID: bs0cH3j6QUKHK1+rOy2O+g== X-CSE-MsgGUID: bmEoADb8QcCtKFCxr7/CfA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.11,225,1725346800"; d="scan'208";a="84691640" Received: from srr4-3-linux-103-aknautiy.iind.intel.com ([10.223.34.160]) by fmviesa005-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Oct 2024 23:51:07 -0700 From: Ankit Nautiyal To: intel-gfx@lists.freedesktop.org Cc: intel-xe@lists.freedesktop.org, suraj.kandpal@intel.com Subject: [PATCH 16/16] drm/i915/dp: Add Check for Odd Pixel Requirement Date: Wed, 23 Oct 2024 12:22:57 +0530 Message-ID: <20241023065257.190035-17-ankit.k.nautiyal@intel.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20241023065257.190035-1-ankit.k.nautiyal@intel.com> References: <20241023065257.190035-1-ankit.k.nautiyal@intel.com> MIME-Version: 1.0 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" Check if Odd pixel is required during DSC compute config and update the crtc_state to track the presence of odd pixels. Signed-off-by: Ankit Nautiyal --- drivers/gpu/drm/i915/display/intel_dp.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 026254687a8d..b512e2dd9b37 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -2366,6 +2366,14 @@ static int intel_edp_dsc_compute_pipe_bpp(struct intel_dp *intel_dp, return 0; } +static bool intel_dp_dsc_needs_odd_pixel(int hdisplay, int replicated_pixels, int num_pipes) +{ + if (!replicated_pixels || num_pipes == 1) + return false; + + return ((hdisplay + replicated_pixels) / num_pipes) % 2; +} + int intel_dp_dsc_compute_config(struct intel_dp *intel_dp, struct intel_crtc_state *pipe_config, struct drm_connector_state *conn_state, @@ -2452,6 +2460,10 @@ int intel_dp_dsc_compute_config(struct intel_dp *intel_dp, adjusted_mode->crtc_hdisplay, pipe_config->dsc.slice_count, pipe_config->output_format); + pipe_config->dsc.has_odd_pixel = + intel_dp_dsc_needs_odd_pixel(adjusted_mode->crtc_hdisplay, + pipe_config->dsc.replicated_pixels, + num_joined_pipes); /* * VDSC engine operates at 1 Pixel per clock, so if peak pixel rate