From patchwork Tue May 10 10:42:42 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: 12844795 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 37963C433EF for ; Tue, 10 May 2022 10:43:35 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B013910E080; Tue, 10 May 2022 10:43:34 +0000 (UTC) Received: from mga06.intel.com (mga06b.intel.com [134.134.136.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id 0B31B10E080 for ; Tue, 10 May 2022 10:43:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1652179414; x=1683715414; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=c5VEhETkw7RGNhf2Zh9Sn09FgdWira5V9BVJTBOLtLc=; b=Zn7fnENBGXmcLBxzA8UuGt+LAIWomnqEwPyYwcjRiSUbw9bNotXNTLJg N6YZgQmY0oqOyIbcStMjIzi5vj01JTJl/39ByHh17C/sGidszLNn/J5zi +jvfGb2MCauTROQXbiRS/7DcFHdO/51AFNTkpK3Kwn150sl5Fh0fKLa8C FkyrJ831tL+P9TgLmogBSSI7ceU3fNkbvCi46JkWxkgDARikISDTSh37q /QPe50M7A+FFzzqA+koXfXU1G2HEYevEY1dnzusDcZ1Fk1gat0CRK6KF+ i3t369doEQxWCRQOgsrAYSHp0UDO/jU2sTYWkZ3roZ9P7XoCgj4apXemx Q==; X-IronPort-AV: E=McAfee;i="6400,9594,10342"; a="329928651" X-IronPort-AV: E=Sophos;i="5.91,214,1647327600"; d="scan'208";a="329928651" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 May 2022 03:43:33 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.91,214,1647327600"; d="scan'208";a="710968633" Received: from stinkpipe.fi.intel.com (HELO stinkbox) ([10.237.72.51]) by fmsmga001.fm.intel.com with SMTP; 10 May 2022 03:43:31 -0700 Received: by stinkbox (sSMTP sendmail emulation); Tue, 10 May 2022 13:43:30 +0300 From: Ville Syrjala To: intel-gfx@lists.freedesktop.org Date: Tue, 10 May 2022 13:42:42 +0300 Message-Id: <20220510104242.6099-16-ville.syrjala@linux.intel.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220510104242.6099-1-ville.syrjala@linux.intel.com> References: <20220510104242.6099-1-ville.syrjala@linux.intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 15/15] drm/i915/bios: Dump PNPID and panel name 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: , Cc: Jani Nikula Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" From: Ville Syrjälä Dump the panel PNPID and name from the VBT. Reviewed-by: Jani Nikula Signed-off-by: Ville Syrjälä --- drivers/gpu/drm/i915/display/intel_bios.c | 24 +++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c index a6d59b320888..f6a7ab703244 100644 --- a/drivers/gpu/drm/i915/display/intel_bios.c +++ b/drivers/gpu/drm/i915/display/intel_bios.c @@ -25,6 +25,7 @@ * */ +#include #include #include @@ -603,6 +604,19 @@ get_lfp_data_tail(const struct bdb_lvds_lfp_data *data, return NULL; } +static void dump_pnp_id(struct drm_i915_private *i915, + const struct lvds_pnp_id *pnp_id, + const char *name) +{ + u16 mfg_name = be16_to_cpu((__force __be16)pnp_id->mfg_name); + char vend[4]; + + drm_dbg_kms(&i915->drm, "%s PNPID mfg: %s (0x%x), prod: %u, serial: %u, week: %d, year: %d\n", + name, drm_edid_decode_mfg_id(mfg_name, vend), + pnp_id->mfg_name, pnp_id->product_code, pnp_id->serial, + pnp_id->mfg_week, pnp_id->mfg_year + 1990); +} + static int opregion_get_panel_type(struct drm_i915_private *i915, const struct edid *edid) { @@ -646,6 +660,8 @@ static int pnpid_get_panel_type(struct drm_i915_private *i915, edid_id_nodate.mfg_week = 0; edid_id_nodate.mfg_year = 0; + dump_pnp_id(i915, edid_id, "EDID"); + ptrs = find_section(i915, BDB_LVDS_LFP_DATA_PTRS); if (!ptrs) return -1; @@ -836,6 +852,7 @@ parse_lfp_data(struct drm_i915_private *i915, const struct bdb_lvds_lfp_data *data; const struct bdb_lvds_lfp_data_tail *tail; const struct bdb_lvds_lfp_data_ptrs *ptrs; + const struct lvds_pnp_id *pnp_id; int panel_type = panel->vbt.panel_type; ptrs = find_section(i915, BDB_LVDS_LFP_DATA_PTRS); @@ -849,10 +866,17 @@ parse_lfp_data(struct drm_i915_private *i915, if (!panel->vbt.lfp_lvds_vbt_mode) parse_lfp_panel_dtd(i915, panel, data, ptrs); + pnp_id = get_lvds_pnp_id(data, ptrs, panel_type); + dump_pnp_id(i915, pnp_id, "Panel"); + tail = get_lfp_data_tail(data, ptrs); if (!tail) return; + drm_dbg_kms(&i915->drm, "Panel name: %.*s\n", + (int)sizeof(tail->panel_name[0].name), + tail->panel_name[panel_type].name); + if (i915->vbt.version >= 188) { panel->vbt.seamless_drrs_min_refresh_rate = tail->seamless_drrs_min_refresh_rate[panel_type];