From patchwork Mon Sep 30 16:35:46 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Nautiyal, Ankit K" X-Patchwork-Id: 13816695 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 88AE2CE8374 for ; Mon, 30 Sep 2024 16:34:12 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 29E6510E54E; Mon, 30 Sep 2024 16:34:12 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="VOlGF/V4"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.12]) by gabe.freedesktop.org (Postfix) with ESMTPS id CDB5F10E54E; Mon, 30 Sep 2024 16:34:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1727714051; x=1759250051; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=/1aIVStuW8l+3g9dwYtksDvtnoCYVaR/peVmREJWaog=; b=VOlGF/V47/Oi0Kt8m+ndbpk7UIG5XXIQpREJFHhNO4j2tx8JcYul3mgn S1BT/eYjDGaJ3jeoF1Eetmdk4PrUMs4rW7mYRv3/dursaP5Mwn7wAWYry ThKXV2YMyDJ4SfNRyE6NF2IV6AbFHniRvTXPOlLFOsUtZfzOTdd3eHB0N 3RsNtgy0QdUmBTp5R0zYlQfu0tt6PoZhX7+RcYA1HbqrSOcxlYRqec09R JtGEsBlmo4ev6vKGzSEKKPBTVx6LYRxO+Hl+RQlwAA8w6/dYIdL3Ebfy5 CRGXGwwbAZi94482ATSwYZ61Qh6GC9xjKZQxHErc7Kjb4NhggGsn8nReY A==; X-CSE-ConnectionGUID: X/w7tR4vS2qU4uhz3qkG/w== X-CSE-MsgGUID: 8DUIjosxSH2UYdBObRON0g== X-IronPort-AV: E=McAfee;i="6700,10204,11211"; a="30700548" X-IronPort-AV: E=Sophos;i="6.11,166,1725346800"; d="scan'208";a="30700548" Received: from orviesa001.jf.intel.com ([10.64.159.141]) by fmvoesa106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Sep 2024 09:34:10 -0700 X-CSE-ConnectionGUID: MWpNikhPRlOcrS6pvK6Hlg== X-CSE-MsgGUID: JTId4ECjSbujvfkwFfxIMw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.11,166,1725346800"; d="scan'208";a="110839246" Received: from srr4-3-linux-103-aknautiy.iind.intel.com ([10.223.34.160]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Sep 2024 09:34:09 -0700 From: Ankit Nautiyal To: intel-gfx@lists.freedesktop.org Cc: intel-xe@lists.freedesktop.org, suraj.kandpal@intel.com, ville.syrjala@linux.intel.com Subject: [PATCH 10/13] drm/i915/dp: Simplify helper to get slice count with joiner Date: Mon, 30 Sep 2024 22:05:46 +0530 Message-ID: <20240930163549.416410-11-ankit.k.nautiyal@intel.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240930163549.416410-1-ankit.k.nautiyal@intel.com> References: <20240930163549.416410-1-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" From: Stanislav Lisovskiy When bigjoiner is used, we need at least 2 dsc slices per pipe. Modify the condition in intel_dp_dsc_get_slice_count() to reflect the same. Signed-off-by: Stanislav Lisovskiy Signed-off-by: Ankit Nautiyal Reviewed-by: Ville Syrjälä --- drivers/gpu/drm/i915/display/intel_dp.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index d8a4a6fa1514..8e091f74eb9a 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -1022,8 +1022,12 @@ u8 intel_dp_dsc_get_slice_count(const struct intel_connector *connector, drm_dp_dsc_sink_max_slice_count(connector->dp.dsc_dpcd, false)) break; - /* big joiner needs small joiner to be enabled */ - if (num_joined_pipes == 2 && test_slice_count < 4) + /* + * Bigjoiner needs small joiner to be enabled. + * So there should be at least 2 dsc slices per pipe, + * whenever bigjoiner is enabled. + */ + if (num_joined_pipes > 1 && valid_dsc_slicecount[i] < 2) continue; if (min_slice_count <= test_slice_count)