From patchwork Mon Sep 23 18:13:32 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ankit Nautiyal X-Patchwork-Id: 13809877 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 26C4BCF9C7C for ; Mon, 23 Sep 2024 18:12:10 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C531F10E454; Mon, 23 Sep 2024 18:12:09 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="K32YmZKX"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.14]) by gabe.freedesktop.org (Postfix) with ESMTPS id 20E7910E45D; Mon, 23 Sep 2024 18:12:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1727115127; x=1758651127; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=yb8qY5821SqkeVTRNslllLMsNR84EsDbYGMBnOlUIEg=; b=K32YmZKXW1XO73tRIqouLabsWq+YlGEGvbcCu4Jdkha6GlkJ/8AJyXKH 1tfnsVEWBophOlaJxhEvS3r5m+mR4tmZEVAX4TegtdsmmcfTKa58q9KCD 51ibF8x1WFfcKw+JiU0eNlZxKXKvkvHkX9ApSSihgvcDapP38ix1LiWws s+4c7P9jPlgWU+8qildit9hjraYQRgWJQYQe6tVtEUM4qt2YWmk/mMEZB I1BCnLjgtu4Cg5uzti3Q9ej3wLwwkzn/uoP8rLFuj2pJ51BfoZJSdhtEF WEMFhqbOU+EQec9klQdl27F73RQhNzCRZDcNv4QkN1HNWPin8nVfpUQ48 g==; X-CSE-ConnectionGUID: TuEMZY0CTwSIL3R3T6RECQ== X-CSE-MsgGUID: IOyXUr6dQdmAUMCx57vXqQ== X-IronPort-AV: E=McAfee;i="6700,10204,11204"; a="29866286" X-IronPort-AV: E=Sophos;i="6.10,252,1719903600"; d="scan'208";a="29866286" Received: from fmviesa007.fm.intel.com ([10.60.135.147]) by orvoesa106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Sep 2024 11:12:06 -0700 X-CSE-ConnectionGUID: GsNjbU25SvKlHwjUK/HneA== X-CSE-MsgGUID: QN/WvPwkS1CXrevgeVcGyQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.10,252,1719903600"; d="scan'208";a="70734433" Received: from srr4-3-linux-103-aknautiy.iind.intel.com ([10.223.34.160]) by fmviesa007-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Sep 2024 11:12:05 -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 12/16] drm/i915/dp: Modify compressed bpp limitations for ultrajoiner Date: Mon, 23 Sep 2024 23:43:32 +0530 Message-ID: <20240923181336.3303940-13-ankit.k.nautiyal@intel.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240923181336.3303940-1-ankit.k.nautiyal@intel.com> References: <20240923181336.3303940-1-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" Add compressed bpp limitations for ultrajoiner. Signed-off-by: Ankit Nautiyal --- drivers/gpu/drm/i915/display/intel_dp.c | 24 ++++++++++++++++++------ 1 file changed, 18 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index e4b6594d870e..a853f975bda1 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -865,24 +865,36 @@ u32 get_max_compressed_bpp_with_joiner(struct drm_i915_private *i915, int num_joined_pipes) { u32 max_bpp_small_joiner_ram; + u32 max_bpp_bigjoiner; + u32 max_bpp; /* Small Joiner Check: output bpp <= joiner RAM (bits) / Horiz. width */ max_bpp_small_joiner_ram = small_joiner_ram_size_bits(i915) / mode_hdisplay; - if (num_joined_pipes == 2) { + if (num_joined_pipes > 1) { int bigjoiner_interface_bits = DISPLAY_VER(i915) >= 14 ? 36 : 24; /* With bigjoiner multiple dsc engines are used in parallel so PPC is 2 */ int ppc = 2; - u32 max_bpp_bigjoiner = - i915->display.cdclk.max_cdclk_freq * ppc * bigjoiner_interface_bits / + int num_bigjoiners = num_joined_pipes / 2; + + max_bpp_bigjoiner = + i915->display.cdclk.max_cdclk_freq * ppc * bigjoiner_interface_bits * intel_dp_mode_to_fec_clock(mode_clock); - max_bpp_small_joiner_ram *= 2; + max_bpp_bigjoiner *= num_bigjoiners; + + max_bpp_small_joiner_ram *= num_joined_pipes; + } + + max_bpp = min(max_bpp_small_joiner_ram, max_bpp_bigjoiner); + + if (num_joined_pipes == 4) { + u32 max_bpp_ultrajoiner_ram = (4 * 72 * 512) / mode_hdisplay; - return min(max_bpp_small_joiner_ram, max_bpp_bigjoiner); + max_bpp = min(max_bpp, max_bpp_ultrajoiner_ram); } - return max_bpp_small_joiner_ram; + return max_bpp; } u16 intel_dp_dsc_get_max_compressed_bpp(struct drm_i915_private *i915,