From patchwork Mon Sep 23 18:13:34 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: 13809879 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 ADF39CF9C6F for ; Mon, 23 Sep 2024 18:12:13 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 56CDA10E458; Mon, 23 Sep 2024 18:12:13 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="A1BbK5Jl"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.14]) by gabe.freedesktop.org (Postfix) with ESMTPS id 48E4210E461; Mon, 23 Sep 2024 18:12:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1727115131; x=1758651131; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=MytUz6UfOUZi9LloQIbSlBNiZ/fC7Wc7HpXY/gS7V3Y=; b=A1BbK5JlwPvlNv83ccMBPiWLcikyvgHfuXu45kAdy0u/WXlL7bHawZ+M YLdaCIvgQm8hckvzJ99RXBVX0/Z5dIQTE6qAv7cpalge60sfm5Ro+12Kt RJmPRdpivONbx4QGl/0DCpXRHn/Pa8cogpygmFP6Sw7TCXU6ncfJt+D4Q 3ucjyicrhAlkiWc0cTll1fgtcvoS/b9jj3flwpJKUzCyaqyOC6sBo9UYf S14CbWSktgG9lf09pXUWTkhjFbRGZY+uENSiTr/7nu2bQ3dYCHjGOBiTZ I2OQuU+fXbJlOLIeVpSCrQfzJFZU+lWDejFr+tdSbcS+136Izq9OKbmR0 g==; X-CSE-ConnectionGUID: lYSMqDvKSeKlzc0brTBU8g== X-CSE-MsgGUID: izv7QmTkRpebz41+e4veuA== X-IronPort-AV: E=McAfee;i="6700,10204,11204"; a="29866323" X-IronPort-AV: E=Sophos;i="6.10,252,1719903600"; d="scan'208";a="29866323" 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 11:12:10 -0700 X-CSE-ConnectionGUID: SkJXw+sMROOYWcXTwV3ZVg== X-CSE-MsgGUID: P5aMjW0XQ9yYTLFgri42lQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.10,252,1719903600"; d="scan'208";a="70734456" 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 11:12:08 -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 14/16] drm/i915: Compute config and mode valid changes for ultrajoiner Date: Mon, 23 Sep 2024 23:43:34 +0530 Message-ID: <20240923181336.3303940-15-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" From: Stanislav Lisovskiy Implement required changes for mode validation and compute config, to support Ultrajoiner. v2: -Drop changes for HDMI. -Separate out DSC changes into another patch. v3: Fix check in can_ultrajoiner. (Ankit) v4: -Unify helper to check joiner requirement. (Ville) -Split patches for ultrajoiner changes for max dsc slices and compressed bpp.(Ankit) Signed-off-by: Stanislav Lisovskiy Signed-off-by: Ankit Nautiyal Reviewed-by: Ville Syrjälä --- drivers/gpu/drm/i915/display/intel_dp.c | 26 +++++++++++++++++++------ 1 file changed, 20 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 115d8468bb91..8e0cb6c77c64 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -1280,26 +1280,38 @@ intel_dp_mode_valid_downstream(struct intel_connector *connector, } static -bool intel_dp_needs_bigjoiner(struct intel_dp *intel_dp, - struct intel_connector *connector, - int hdisplay, int clock) +bool intel_dp_needs_joiner(struct intel_dp *intel_dp, + struct intel_connector *connector, + int hdisplay, int clock, + int num_joined_pipes) { struct drm_i915_private *i915 = dp_to_i915(intel_dp); if (!intel_dp_has_joiner(intel_dp)) return false; - return clock > i915->display.cdclk.max_dotclk_freq || hdisplay > 5120; + num_joined_pipes /= 2; + + return clock > num_joined_pipes * i915->display.cdclk.max_dotclk_freq || + hdisplay > 5120; } int intel_dp_num_joined_pipes(struct intel_dp *intel_dp, struct intel_connector *connector, int hdisplay, int clock) { + struct intel_display *display = to_intel_display(intel_dp); + struct drm_i915_private *i915 = to_i915(display->drm); + if (connector->force_joined_pipes) return connector->force_joined_pipes; - if (intel_dp_needs_bigjoiner(intel_dp, connector, hdisplay, clock)) + if (HAS_ULTRAJOINER(i915) && + intel_dp_needs_joiner(intel_dp, connector, hdisplay, clock, 4)) + return 4; + + if ((HAS_BIGJOINER(i915) || HAS_UNCOMPRESSED_JOINER(i915)) && + intel_dp_needs_joiner(intel_dp, connector, hdisplay, clock, 2)) return 2; return 1; @@ -2505,8 +2517,10 @@ bool intel_dp_joiner_needs_dsc(struct drm_i915_private *i915, * Pipe joiner needs compression up to display 12 due to bandwidth * limitation. DG2 onwards pipe joiner can be enabled without * compression. + * Ultrajoiner always needs compression. */ - return !HAS_UNCOMPRESSED_JOINER(i915) && num_joined_pipes == 2; + return (!HAS_UNCOMPRESSED_JOINER(i915) && num_joined_pipes == 2) || + num_joined_pipes == 4; } static int