From patchwork Wed Aug 23 11:54:25 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Nautiyal, Ankit K" X-Patchwork-Id: 13362218 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 D8963EE4993 for ; Wed, 23 Aug 2023 11:57:51 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C223110E416; Wed, 23 Aug 2023 11:57:41 +0000 (UTC) Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.151]) by gabe.freedesktop.org (Postfix) with ESMTPS id 94B8610E410; Wed, 23 Aug 2023 11:57:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1692791858; x=1724327858; h=from:to:subject:date:message-id:in-reply-to:references: mime-version:content-transfer-encoding; bh=RRVTjc+CdSuvuDzLLpOaBi+ubSNk7bvBZJKj0Qk5YUw=; b=POBt0Ty4VaSMwI+uU4YgQ8MckdT/VDx9XHmpk1ZTG5XVviFmAu8w0dj8 M1YFLI5li8f7ptOmrmLRZQGuBhSh4f/gvI8mTPXnP0GUpbvppIVr755v9 IGndivrXeWoFR4uC2Mzm5XfK9Mcih7SDWLwvPmUBmRzxfsMHX95oofObg o2EHXSFvJYdrHB07OQm7JV+ejmNOilmfI5Oyp0ZyBzV666p3ulovUNTio S7+XGLfm7VHyRUkGaap8F71I1zOT0uCHszs16nta3Vfm9AE45M6TN8vyC DGSIm6AnRWQTXozHKqt+m8l1JmIRN06ZBHZit8mhq6TiipRV3XHxniu2v g==; X-IronPort-AV: E=McAfee;i="6600,9927,10810"; a="354472218" X-IronPort-AV: E=Sophos;i="6.01,195,1684825200"; d="scan'208";a="354472218" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Aug 2023 04:57:38 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10810"; a="851019790" X-IronPort-AV: E=Sophos;i="6.01,195,1684825200"; d="scan'208";a="851019790" Received: from srr4-3-linux-103-aknautiy.iind.intel.com ([10.223.34.160]) by fmsmga002-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Aug 2023 04:57:37 -0700 From: Ankit Nautiyal To: dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org Subject: [PATCH 2/2] drivers/drm/i915: Honor limits->max_bpp while computing DSC max input bpp Date: Wed, 23 Aug 2023 17:24:25 +0530 Message-Id: <20230823115425.715644-3-ankit.k.nautiyal@intel.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230823115425.715644-1-ankit.k.nautiyal@intel.com> References: <20230823115425.715644-1-ankit.k.nautiyal@intel.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Edid specific BPC constraints are stored in limits->max_bpp. Honor these limits while computing the input bpp for DSC. Signed-off-by: Ankit Nautiyal Reviewed-by: Stanislav Lisovskiy --- drivers/gpu/drm/i915/display/intel_dp.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 5b48bfe09d0e..2a7f6cfe2832 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -2061,9 +2061,11 @@ static int intel_edp_dsc_compute_pipe_bpp(struct intel_dp *intel_dp, if (forced_bpp) { pipe_bpp = forced_bpp; } else { + u8 max_bpc = limits->max_bpp / 3; + /* For eDP use max bpp that can be supported with DSC. */ pipe_bpp = intel_dp_dsc_compute_max_bpp(intel_dp, - conn_state->max_requested_bpc); + min(max_bpc, conn_state->max_requested_bpc)); if (!is_dsc_pipe_bpp_sufficient(i915, conn_state, limits, pipe_bpp)) { drm_dbg_kms(&i915->drm, "Computed BPC is not in DSC BPC limits\n");