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 B9F31C25B5C for ; Mon, 6 May 2024 09:29:50 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 1EBCA10EDFB; Mon, 6 May 2024 09:29:50 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="KxqL2XMy"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.17]) by gabe.freedesktop.org (Postfix) with ESMTPS id 611E510EDF7 for ; Mon, 6 May 2024 09:29:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1714987789; x=1746523789; h=from:to:subject:in-reply-to:references:date:message-id: mime-version:content-transfer-encoding; bh=f9rMcg/2dl2YW7p/mpH8oonQePs8k/eYDj0Mizej6nY=; b=KxqL2XMyNr5F9d62tkqbJTbFeZ+4/XtWhHUvT/J/yXghFWRVolEj58WP PBw/FoIyVhWeBCDBnPxDq/ddKE+L0YKITFOg4BROvQo25qOAcISg4ErKf zwPAI7t/t+jY20Rwc/CmRF1XRy/Fg1PqT1wp6TYh9bCKZldxFgVuepebD shO6eNEIHRzCYzF3dQLJbNlXtfwRMDfGKsFqPjyb1Dpc8gqTGoYfpwii1 0oMUMxeXrakMJ9zXZ88WfNL32cA966pRSRudCs6q7LtSoZj5RrJMQgmE8 3SbLKNMQQZiGhEaAJw2iVUvwsWQ0DH2belhgl1tULowST5Z40PW7IlGTI Q==; X-CSE-ConnectionGUID: iyDMuwFCSSuR3MGTrr1UiQ== X-CSE-MsgGUID: zd2m0QUMREiEmk2ZE/u53A== X-IronPort-AV: E=McAfee;i="6600,9927,11064"; a="10849335" X-IronPort-AV: E=Sophos;i="6.07,258,1708416000"; d="scan'208";a="10849335" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by orvoesa109.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 May 2024 02:28:38 -0700 X-CSE-ConnectionGUID: CqMVbnuQTAGCdX8DKA0lew== X-CSE-MsgGUID: wwJxAPmCSw+V8FWVFoIXvQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,257,1708416000"; d="scan'208";a="28123719" Received: from lfiedoro-mobl.ger.corp.intel.com (HELO localhost) ([10.245.246.230]) by fmviesa008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 May 2024 02:28:37 -0700 From: Jani Nikula To: Ville Syrjala , intel-gfx@lists.freedesktop.org Subject: Re: [PATCH 13/35] drm/i915/bios: Define VBT block 10 (Mode Removal Table) contents In-Reply-To: <20240503122449.27266-14-ville.syrjala@linux.intel.com> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo References: <20240503122449.27266-1-ville.syrjala@linux.intel.com> <20240503122449.27266-14-ville.syrjala@linux.intel.com> Date: Mon, 06 May 2024 12:28:33 +0300 Message-ID: <878r0nnvb2.fsf@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable 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 Fri, 03 May 2024, Ville Syrjala wrote: > From: Ville Syrj=C3=A4l=C3=A4 > > Define the contents of VBT block 10 (Mode Removal Table). > > There seem to be two variants: > - 8 byte entries for desktop systems > - 10 byte entries for mobile systems, with the extra > panel_flags being a bitmask of LFPs > > It seems starting from HSW only the mobile variant is > used anymore. > > Signed-off-by: Ville Syrj=C3=A4l=C3=A4 Awful stuff. Reviewed-by: Jani Nikula > --- > drivers/gpu/drm/i915/display/intel_vbt_defs.h | 23 +++++++++++++++++++ > 1 file changed, 23 insertions(+) > > diff --git a/drivers/gpu/drm/i915/display/intel_vbt_defs.h b/drivers/gpu/= drm/i915/display/intel_vbt_defs.h > index 4f0b8be3034c..d78523cd4214 100644 > --- a/drivers/gpu/drm/i915/display/intel_vbt_defs.h > +++ b/drivers/gpu/drm/i915/display/intel_vbt_defs.h > @@ -677,6 +677,29 @@ struct bdb_psr { > u32 psr2_tp2_tp3_wakeup_time; /* 226+ */ > } __packed; >=20=20 > +/* > + * Block 10 - Mode Removal Table > + */ > + > +struct mode_removal_table { > + u16 x_res; > + u16 y_res; > + u8 bpp; > + u16 refresh_rate; > + u8 removal_flags; > + u16 panel_flags; > +} __packed; > + > +struct bdb_mode_removal { > + u8 row_size; /* 8 or 10 bytes */ > + /* > + * VBT spec says this is always 20 entries, > + * but ALM seems to have only 15 entries. > + */ > + struct mode_removal_table modes[]; > + /* u16 terminator; 0x0000 */ > +} __packed; > + > /* > * Block 12 - Driver Features Data Block > */ --=20 Jani Nikula, Intel