From mboxrd@z Thu Jan 1 00:00:00 1970 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 BC364E77188 for ; Wed, 8 Jan 2025 17:00:42 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 64FBA10EC1C; Wed, 8 Jan 2025 17:00:42 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="C32XlFar"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.16]) by gabe.freedesktop.org (Postfix) with ESMTPS id 1BD4410EC1C for ; Wed, 8 Jan 2025 17:00:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1736355641; x=1767891641; h=from:to:cc:subject:in-reply-to:references:date: message-id:mime-version; bh=Gv+l00+qtnudHt7RpwOYxtsnkCM9I3fYQVNDGCquAaU=; b=C32XlFarctfoWMVYnw2hnLtyYuWPTkmulKjcD7KAArZePi/0C5FanTC4 1yvoC3ltXLrjcldbFMWpi2z3KINSNqXBlwFdAti88jDLJHo1gWnfOYTJd F3wMr3Y5NlqDkQ12ogQLn+FLRh9H74bMo1Tb9phhsxeZDogPDU7Ay59eD 2Y5wICbeyaSYWwMImEBr8asfnjNLzuSB56ld7mbPflSPan4d4V/byMsN1 yKGtboyqaCLzOVKW7SzwAv+ajVMQ0JbTLpgBM4Ey2WJlXk3IwzobcG8Lf kABzJT1XCBHchFTo2+xkFI+NsB4gbnPt3OjPijJdJ6REhh8Qqahv0ZkD0 g==; X-CSE-ConnectionGUID: L1Dom8gFSUyg3Mwozy00pg== X-CSE-MsgGUID: tGeWJgUVQK2XUDRVla2JYA== X-IronPort-AV: E=McAfee;i="6700,10204,11309"; a="36754817" X-IronPort-AV: E=Sophos;i="6.12,298,1728975600"; d="scan'208";a="36754817" Received: from orviesa007.jf.intel.com ([10.64.159.147]) by orvoesa108.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Jan 2025 09:00:40 -0800 X-CSE-ConnectionGUID: hgGA9BS+QKK7lC6NAlYjlw== X-CSE-MsgGUID: eT8wfWe0QJGTdbCMOgiI8A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,224,1728975600"; d="scan'208";a="103661382" Received: from klitkey1-mobl1.ger.corp.intel.com (HELO localhost) ([10.245.246.152]) by orviesa007-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Jan 2025 09:00:37 -0800 From: Jani Nikula To: Dnyaneshwar Bhadane , intel-gfx@lists.freedesktop.org Cc: Dnyaneshwar Bhadane Subject: Re: [PATCH] drm/i915/bios: Define eDP pipe joiner feature for VBT In-Reply-To: <20250108143638.1125237-1-dnyaneshwar.bhadane@intel.com> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo References: <20250108143638.1125237-1-dnyaneshwar.bhadane@intel.com> Date: Wed, 08 Jan 2025 19:00:34 +0200 Message-ID: <87bjwhkzpp.fsf@intel.com> MIME-Version: 1.0 Content-Type: text/plain 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" On Wed, 08 Jan 2025, Dnyaneshwar Bhadane wrote: > There is new field "edp pipe joiner feature" size of 2 bytes in the > eDP VBT block. Each bit represent panel number to be enable/disable > for this feature. > > Default value: > For ARL platform, 0x0000 to keep the feature disabled by default. > Xe3lpd onwards, 0xFFFF to keep the feature enable by default by VBT. > > Bspec: 20142 > Signed-off-by: Dnyaneshwar Bhadane The patch does it ways, so... Reviewed-by: Jani Nikula ...but are you going to use the info for something? BR, Jani. > --- > drivers/gpu/drm/i915/display/intel_vbt_defs.h | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/gpu/drm/i915/display/intel_vbt_defs.h b/drivers/gpu/drm/i915/display/intel_vbt_defs.h > index e9b809568cd4..2fdad5170896 100644 > --- a/drivers/gpu/drm/i915/display/intel_vbt_defs.h > +++ b/drivers/gpu/drm/i915/display/intel_vbt_defs.h > @@ -1090,6 +1090,7 @@ struct bdb_edp { > u16 edp_dsc_disable; /* 251+ */ > u16 t6_delay_support; /* 260+ */ > u16 link_idle_time[16]; /* 260+ */ > + u16 edp_pipe_joiner_feature; /* 261+ */ > } __packed; > > /* -- Jani Nikula, Intel