From patchwork Fri Jul 15 20:20:39 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?VmlsbGUgU3lyasOkbMOk?= X-Patchwork-Id: 12920162 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 2209CC43334 for ; Sat, 16 Jul 2022 14:41:26 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B026E1120C0; Sat, 16 Jul 2022 14:36:29 +0000 (UTC) Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by gabe.freedesktop.org (Postfix) with ESMTPS id CB84F10E05A for ; Fri, 15 Jul 2022 20:21:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1657916467; x=1689452467; h=from:to:subject:date:message-id:in-reply-to:references: mime-version:content-transfer-encoding; bh=5pc+TiUxY7OghXokOzP+NiMI15i0AeGNMYYarm3GgoM=; b=Nu6U4OpCfXP3fSfAgHcQb84dI+5e3ryITsD51JFlJSCi28JOsydx8lMj caqnexDrjSwmQNav33NIY992FxWxvqOGjKAiM6l1/l2RpvKeyemNDFSC5 /k5BQ0B2l3xBExpexVDdWoh5IN13Z5ks5I5e6bfZfrjmegwroUDjpFESi cPWirGqFQ7hwahBYp980sKfklz6eUqjqrnBRKy1VpkmKN3WrFf7xF1EMv /ICRvIqrVCz4BYARsBuQtyxiKTzI1WsPiDuMkukgzWAEZJpiJK3z/CBMg bqkoSeurkOpNX33ZeUU1kfYFq3ZXHshk9UKDd4PSNDfHIqAQmcSpySOze w==; X-IronPort-AV: E=McAfee;i="6400,9594,10409"; a="268914160" X-IronPort-AV: E=Sophos;i="5.92,274,1650956400"; d="scan'208";a="268914160" Received: from orsmga006.jf.intel.com ([10.7.209.51]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Jul 2022 13:21:07 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.92,274,1650956400"; d="scan'208";a="571661182" Received: from stinkpipe.fi.intel.com (HELO stinkbox) ([10.237.72.161]) by orsmga006.jf.intel.com with SMTP; 15 Jul 2022 13:21:05 -0700 Received: by stinkbox (sSMTP sendmail emulation); Fri, 15 Jul 2022 23:21:04 +0300 From: Ville Syrjala To: intel-gfx@lists.freedesktop.org Date: Fri, 15 Jul 2022 23:20:39 +0300 Message-Id: <20220715202044.11153-8-ville.syrjala@linux.intel.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220715202044.11153-1-ville.syrjala@linux.intel.com> References: <20220715202044.11153-1-ville.syrjala@linux.intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 07/12] drm/i915: Document the sets of bits in the driver features block 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: Ville Syrjälä Add a few comment documenting the sets of bits in the driver features block. Might make it a bit easier to check against the spec. Signed-off-by: Ville Syrjälä Reviewed-by: Jani Nikula --- drivers/gpu/drm/i915/display/intel_vbt_defs.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_vbt_defs.h b/drivers/gpu/drm/i915/display/intel_vbt_defs.h index 8bdb533b5304..c04937aa75b2 100644 --- a/drivers/gpu/drm/i915/display/intel_vbt_defs.h +++ b/drivers/gpu/drm/i915/display/intel_vbt_defs.h @@ -542,6 +542,7 @@ struct bdb_psr { #define BDB_DRIVER_FEATURE_INT_SDVO_LVDS 3 struct bdb_driver_features { + /* Driver bits */ u8 boot_dev_algorithm:1; u8 block_display_switch:1; u8 allow_display_switch:1; @@ -556,6 +557,7 @@ struct bdb_driver_features { u8 boot_mode_bpp; u8 boot_mode_refresh; + /* Extended Driver Bits 1 */ u16 enable_lfp_primary:1; u16 selective_mode_pruning:1; u16 dual_frequency:1; @@ -571,6 +573,7 @@ struct bdb_driver_features { u16 tv_hotplug:1; u16 hdmi_config:2; + /* Driver Flags 1 */ u8 static_display:1; /* 163+ */ u8 reserved2:7; @@ -578,8 +581,12 @@ struct bdb_driver_features { u16 legacy_crt_max_y; u8 legacy_crt_max_refresh; + /* Extended Driver Bits 2 */ u8 hdmi_termination; + u8 custom_vbt_version; /* 165+ */ + + /* Driver Feature Flags */ u16 rmpm_enabled:1; /* 165+ */ u16 s2ddt_enabled:1; /* 165+ */ u16 dpst_enabled:1; /* 165-227 */