From patchwork Fri Sep 27 15:22:39 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: 13814426 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 113B5CDD1BC for ; Fri, 27 Sep 2024 15:21:18 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id A0B9F10ECD8; Fri, 27 Sep 2024 15:21:17 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="SwxCfFzp"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.11]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8AD5910ECDB; Fri, 27 Sep 2024 15:21:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1727450476; x=1758986476; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=tth4izH3MHWutaguWpqsR7YMksNTpyX7/oU888tWvWc=; b=SwxCfFzpP3JlcbuQljFqJlEKF/I6g/WSc8YEBRKESzeLJsawpHUdW1Rc Klw/pYj6CcCEoWHyFymFfm8vtV5L7ra3tBR0sli9SAmxav3o5vtFhI8rP Yu6q4QQ+XcjaEUTd2sjQE0hKJHOYAHdRxDZ5hPy+mez5gqI6wusBH9vbN P7h1yolGj/UrtMDUz03H4jOjZKtYi1F2a2mtRkzJy7mMH/XZa+8o65U/j 4Qq76L3bNY4Muu8odGjr395/6QhN3OOVVQbvq86cyn7Jv8PL9GSFJmqvf MAI2tV9snOFF5+Dwq4HV+2YGvhThxAj39TX6B5vx/Q6k2SjZGa0UvT3gu A==; X-CSE-ConnectionGUID: /3fBBzHwR5KBIV8UF0ptQQ== X-CSE-MsgGUID: U2ljde+wRfe7AB0ROk4fzA== X-IronPort-AV: E=McAfee;i="6700,10204,11208"; a="37179773" X-IronPort-AV: E=Sophos;i="6.11,159,1725346800"; d="scan'208";a="37179773" Received: from fmviesa002.fm.intel.com ([10.60.135.142]) by fmvoesa105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Sep 2024 08:21:15 -0700 X-CSE-ConnectionGUID: Jgw0MNTeT6WHzwGwcN2eaw== X-CSE-MsgGUID: sorD2JxOQvKSdNQAReSXjA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.11,159,1725346800"; d="scan'208";a="95897046" Received: from srr4-3-linux-103-aknautiy.iind.intel.com ([10.223.34.160]) by fmviesa002-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Sep 2024 08:21:11 -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 15/17] drm/i915: Compute config and mode valid changes for ultrajoiner Date: Fri, 27 Sep 2024 20:52:39 +0530 Message-ID: <20240927152241.4014909-16-ankit.k.nautiyal@intel.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240927152241.4014909-1-ankit.k.nautiyal@intel.com> References: <20240927152241.4014909-1-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) v5: Fix check for joiner. (Ville) 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 afc35a83eee2..d31bf66a669f 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -1318,26 +1318,38 @@ 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 > num_joined_pipes * 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; @@ -2543,8 +2555,10 @@ 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