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 2C16EC25B5C for ; Mon, 6 May 2024 09:27:17 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 6C17310ED9F; Mon, 6 May 2024 09:27:16 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="iexmFuMr"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.16]) by gabe.freedesktop.org (Postfix) with ESMTPS id 6247610ED3A for ; Mon, 6 May 2024 09:27:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1714987635; x=1746523635; h=from:to:subject:in-reply-to:references:date:message-id: mime-version:content-transfer-encoding; bh=l1zErqFtzvHpRX2ZeAun88fGGt/a19mzs0D0YqbWatk=; b=iexmFuMrCSN4Hsl2tmvYRH0f3SlLoiVCAl2nIyxh/6lXsKhnBrcdgPyG d9VR8IPPuDECx3/l0zoFKsVjWu1/dXAXcL4ucYJ6yHFpqzvfpGgvnJWR/ fQDSvNRgEYDYvMKdXUMgSXXbKPVnr1MUf1j1hbG/nQH9H6bSxMbomk7pg YN8FMhDthXFy7IywKPPPR+u1jy2o4HKex545FgCo4CkXha5JQvI2eljju c7q1orfjEQOa+ydtvBTEXcPexe1qZGUn1k8pgWCT8tlVyEOa849mEA3TO G2sbdLFlGyKW5vaYMUxbHojRVegjZwghHLmP3jaPzxnxLNhWAbrHRsXDg Q==; X-CSE-ConnectionGUID: zAIRkFIaRnSXgGRZ+sCK5g== X-CSE-MsgGUID: tQJta8XXTNOtv1dlFBRAbQ== X-IronPort-AV: E=McAfee;i="6600,9927,11064"; a="10847747" X-IronPort-AV: E=Sophos;i="6.07,257,1708416000"; d="scan'208";a="10847747" Received: from fmviesa009.fm.intel.com ([10.60.135.149]) by orvoesa108.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 May 2024 02:27:15 -0700 X-CSE-ConnectionGUID: jxdtpIXdR5S/AC8xQ4LGyg== X-CSE-MsgGUID: UtK4pmNZTJaRYFqBorxywg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,257,1708416000"; d="scan'208";a="28070699" Received: from lfiedoro-mobl.ger.corp.intel.com (HELO localhost) ([10.245.246.230]) by fmviesa009-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 May 2024 02:27:13 -0700 From: Jani Nikula To: Ville Syrjala , intel-gfx@lists.freedesktop.org Subject: Re: [PATCH 12/35] drm/i915/bios: Define VBT blocks 6, 7, 8 (register tables) contents In-Reply-To: <20240503122449.27266-13-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> <20240503122449.27266-13-ville.syrjala@linux.intel.com> Date: Mon, 06 May 2024 12:27:10 +0300 Message-ID: <87bk5jnvdd.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 for VBT blocks: > - Block 6 (Extended MMIO Register Table) > - Block 7 (IO Software Flag Table) > - Block 8 (MMIO SWF Register Table) > > All of these use the same basic layout, with two known variants: > - data_access_size=3D=3D0xce -> offset,value tuples are u8,u8 > - data_access_size=3D=3D0x02 -> offset,value tuples are u32,u32 > > Signed-off-by: Ville Syrj=C3=A4l=C3=A4 Reviewed-by: Jani Nikula > --- > drivers/gpu/drm/i915/display/intel_vbt_defs.h | 16 ++++++++++++++++ > 1 file changed, 16 insertions(+) > > diff --git a/drivers/gpu/drm/i915/display/intel_vbt_defs.h b/drivers/gpu/= drm/i915/display/intel_vbt_defs.h > index f3478a20ff16..4f0b8be3034c 100644 > --- a/drivers/gpu/drm/i915/display/intel_vbt_defs.h > +++ b/drivers/gpu/drm/i915/display/intel_vbt_defs.h > @@ -634,6 +634,22 @@ struct bdb_generic_mode_table_mgm { > struct generic_mode_timings timings[3]; > } __packed; >=20=20 > +/* > + * Block 6 - Extended MMIO Register Table, VBIOS only > + * Block 7 - IO Software Flag Table, VBIOS only > + * Block 8 - MMIO SWF Register Table, VBIOS only > + */ > +struct bdb_reg_table { > + u16 table_id; > + u8 data_access_size; > + /* > + * offset,value tuples: > + * data_access_size=3D=3D0xce -> u8,u8 > + * data_access_size=3D=3D0x02 -> u32,u32 > + */ > + /* u16 table_end_marker; */ > +} __packed; > + > /* > * Block 9 - SRD Feature Block > */ --=20 Jani Nikula, Intel