From patchwork Thu Jul 13 10:33:32 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Nautiyal, Ankit K" X-Patchwork-Id: 13311787 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 CD911EB64DD for ; Thu, 13 Jul 2023 10:37:58 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E688D10E670; Thu, 13 Jul 2023 10:37:51 +0000 (UTC) Received: from mga06.intel.com (mga06b.intel.com [134.134.136.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id BC42410E683; Thu, 13 Jul 2023 10:37:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1689244668; x=1720780668; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=77ZmwWE9qPlOz8yrKgOa88qN0hPIDFHx74g5djdRAKo=; b=IohDFHicTWLr6KZEOTpomawJFf6XfkBuUwjA2vW1NrkbtnXgSMu68I/R /PNYG234MEeoPWvD5tHf6KnInWMd++WXsSNh7ssNAEXow77mRZet86czM BX1ZwUgozPxGn01QAONZYg4kGwl4rlToL0u4CXnROlNufEW1Ow+NlaxI3 Nnau8TCIKTw7ngvx4AGJtg2s/+4zVPDxvEU5jyCGuJ4SEiDA+8+e/67N5 S5sDrAYLiqmRRL3aKG2XEYIHUnsfooTCzxOfKNd//7NbkEyva6jrJtqSh WZLe6NkDRqOZIxe9sLUFd3mupB2iomaRUuMmoOM6zy8Ei3KHigOcAX3mu A==; X-IronPort-AV: E=McAfee;i="6600,9927,10769"; a="428897558" X-IronPort-AV: E=Sophos;i="6.01,202,1684825200"; d="scan'208";a="428897558" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Jul 2023 03:37:48 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10769"; a="895965331" X-IronPort-AV: E=Sophos;i="6.01,202,1684825200"; d="scan'208";a="895965331" Received: from srr4-3-linux-103-aknautiy.iind.intel.com ([10.223.34.160]) by orsmga005-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Jul 2023 03:37:46 -0700 From: Ankit Nautiyal To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [PATCH 05/19] drm/i915/dp: Update Bigjoiner interface bits for computing compressed bpp Date: Thu, 13 Jul 2023 16:03:32 +0530 Message-Id: <20230713103346.1163315-6-ankit.k.nautiyal@intel.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230713103346.1163315-1-ankit.k.nautiyal@intel.com> References: <20230713103346.1163315-1-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: , Cc: stanislav.lisovskiy@intel.com, anusha.srivatsa@intel.com, navaremanasi@google.com Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" In Bigjoiner check for DSC, bigjoiner interface bits for DP for DISPLAY > 13 is 36 (Bspec: 49259). v2: Corrected Display ver to 13. v3: Follow convention for conditional statement. (Ville) v4: Fix check for display ver. (Ville) Signed-off-by: Ankit Nautiyal Reviewed-by: Ville Syrjälä Reviewed-by: Stanislav Lisovskiy --- drivers/gpu/drm/i915/display/intel_dp.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 19768ac658ba..c1fd448d80e1 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -802,8 +802,9 @@ u16 intel_dp_dsc_get_max_compressed_bpp(struct drm_i915_private *i915, bits_per_pixel = min(bits_per_pixel, max_bpp_small_joiner_ram); if (bigjoiner) { + int bigjoiner_interface_bits = DISPLAY_VER(i915) >= 14 ? 36 : 24; u32 max_bpp_bigjoiner = - i915->display.cdclk.max_cdclk_freq * 48 / + i915->display.cdclk.max_cdclk_freq * 2 * bigjoiner_interface_bits / intel_dp_mode_to_fec_clock(mode_clock); bits_per_pixel = min(bits_per_pixel, max_bpp_bigjoiner);