From patchwork Wed Jun 3 21:15:20 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Matt Roper X-Patchwork-Id: 11586267 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E96F3913 for ; Wed, 3 Jun 2020 21:15:52 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id D1FDA20734 for ; Wed, 3 Jun 2020 21:15:52 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D1FDA20734 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 4D5D189EF7; Wed, 3 Jun 2020 21:15:50 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by gabe.freedesktop.org (Postfix) with ESMTPS id 27A7D89EEB for ; Wed, 3 Jun 2020 21:15:49 +0000 (UTC) IronPort-SDR: Izkg0Oa2DCa8hM/MuV0mgzcy/30r5r4TCDVK45VhWiOocqt+lcrwiz5UxDJh7CVDnJtG1+JpGr mHBvrY+D9SnQ== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Jun 2020 14:15:48 -0700 IronPort-SDR: s2qmeYiCLTonMJH5R8Z0uBop43OukSH/dhxZAZ6z9bikDJKnpHjTlT/LCjXbwgy/rEfz/RBtJ2 a+fd3qM9qOeA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.73,469,1583222400"; d="scan'208";a="258715095" Received: from mdroper-desk1.fm.intel.com ([10.1.27.168]) by fmsmga008.fm.intel.com with ESMTP; 03 Jun 2020 14:15:48 -0700 From: Matt Roper To: intel-gfx@lists.freedesktop.org Date: Wed, 3 Jun 2020 14:15:20 -0700 Message-Id: <20200603211529.3005059-7-matthew.d.roper@intel.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200603211529.3005059-1-matthew.d.roper@intel.com> References: <20200603211529.3005059-1-matthew.d.roper@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v3 06/15] drm/i915/rkl: provide port/phy mapping for vbt 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: Lucas De Marchi Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" From: Lucas De Marchi RKL uses the DDI A, DDI B, DDI USBC1, DDI USBC2 from the DE point of view, so all DDI/pipe/transcoder register use these indexes to refer to them. Combo phy and IO functions follow another namespace that we keep as "enum phy". The VBT in theory would use the DE point of view, but that does not happen in practice. Provide a table to convert the child devices to the "correct" port numbering we use. Now this is the output we get while reading the VBT: DDIA: [drm:intel_bios_port_aux_ch [i915]] using AUX A for port A (VBT) [drm:intel_dp_init_connector [i915]] Adding DP connector on [ENCODER:275:DDI A] [drm:intel_hdmi_init_connector [i915]] Adding HDMI connector on [ENCODER:275:DDI A] [drm:intel_hdmi_init_connector [i915]] Using DDC pin 0x1 for port A (VBT) DDIB: [drm:intel_bios_port_aux_ch [i915]] using AUX B for port B (platform default) [drm:intel_hdmi_init_connector [i915]] Adding HDMI connector on [ENCODER:291:DDI B] [drm:intel_hdmi_init_connector [i915]] Using DDC pin 0x2 for port B (VBT) DDI USBC1: [drm:intel_bios_port_aux_ch [i915]] using AUX D for port D (VBT) [drm:intel_dp_init_connector [i915]] Adding DP connector on [ENCODER:295:DDI D] [drm:intel_hdmi_init_connector [i915]] Adding HDMI connector on [ENCODER:295:DDI D] [drm:intel_hdmi_init_connector [i915]] Using DDC pin 0x3 for port D (VBT) DDI USBC2: [drm:intel_bios_port_aux_ch [i915]] using AUX E for port E (VBT) [drm:intel_dp_init_connector [i915]] Adding DP connector on [ENCODER:306:DDI E] [drm:intel_hdmi_init_connector [i915]] Adding HDMI connector on [ENCODER:306:DDI E] [drm:intel_hdmi_init_connector [i915]] Using DDC pin 0x9 for port E (VBT) Cc: Clinton Taylor Cc: Aditya Swarup Signed-off-by: Lucas De Marchi Signed-off-by: Matt Roper Reviewed-by: Ville Syrjälä --- drivers/gpu/drm/i915/display/intel_bios.c | 72 ++++++++++++++++------- 1 file changed, 51 insertions(+), 21 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c index 839124647202..4f1a72a90b8f 100644 --- a/drivers/gpu/drm/i915/display/intel_bios.c +++ b/drivers/gpu/drm/i915/display/intel_bios.c @@ -1619,30 +1619,18 @@ static u8 map_ddc_pin(struct drm_i915_private *dev_priv, u8 vbt_pin) return 0; } -static enum port dvo_port_to_port(u8 dvo_port) +static enum port __dvo_port_to_port(int n_ports, int n_dvo, + const int port_mapping[][3], u8 dvo_port) { - /* - * Each DDI port can have more than one value on the "DVO Port" field, - * so look for all the possible values for each port. - */ - static const int dvo_ports[][3] = { - [PORT_A] = { DVO_PORT_HDMIA, DVO_PORT_DPA, -1}, - [PORT_B] = { DVO_PORT_HDMIB, DVO_PORT_DPB, -1}, - [PORT_C] = { DVO_PORT_HDMIC, DVO_PORT_DPC, -1}, - [PORT_D] = { DVO_PORT_HDMID, DVO_PORT_DPD, -1}, - [PORT_E] = { DVO_PORT_CRT, DVO_PORT_HDMIE, DVO_PORT_DPE}, - [PORT_F] = { DVO_PORT_HDMIF, DVO_PORT_DPF, -1}, - [PORT_G] = { DVO_PORT_HDMIG, DVO_PORT_DPG, -1}, - }; enum port port; int i; - for (port = PORT_A; port < ARRAY_SIZE(dvo_ports); port++) { - for (i = 0; i < ARRAY_SIZE(dvo_ports[port]); i++) { - if (dvo_ports[port][i] == -1) + for (port = PORT_A; port < n_ports; port++) { + for (i = 0; i < n_dvo; i++) { + if (port_mapping[port][i] == -1) break; - if (dvo_port == dvo_ports[port][i]) + if (dvo_port == port_mapping[port][i]) return port; } } @@ -1650,6 +1638,48 @@ static enum port dvo_port_to_port(u8 dvo_port) return PORT_NONE; } +static enum port dvo_port_to_port(struct drm_i915_private *dev_priv, + u8 dvo_port) +{ + /* + * Each DDI port can have more than one value on the "DVO Port" field, + * so look for all the possible values for each port. + */ + static const int port_mapping[][3] = { + [PORT_A] = { DVO_PORT_HDMIA, DVO_PORT_DPA, -1 }, + [PORT_B] = { DVO_PORT_HDMIB, DVO_PORT_DPB, -1 }, + [PORT_C] = { DVO_PORT_HDMIC, DVO_PORT_DPC, -1 }, + [PORT_D] = { DVO_PORT_HDMID, DVO_PORT_DPD, -1 }, + [PORT_E] = { DVO_PORT_CRT, DVO_PORT_HDMIE, -1 }, + [PORT_F] = { DVO_PORT_HDMIF, DVO_PORT_DPF, -1 }, + [PORT_G] = { DVO_PORT_HDMIG, DVO_PORT_DPG, -1 }, + }; + /* + * Bspec lists the ports as A, B, C, D - however internally in our + * driver we keep them as PORT_A, PORT_B, PORT_D and PORT_E so the + * registers in Display Engine match the right offsets. Apply the + * mapping here to translate from VBT to internal convention. + */ + static const int rkl_port_mapping[][3] = { + [PORT_A] = { DVO_PORT_HDMIA, DVO_PORT_DPA, -1 }, + [PORT_B] = { DVO_PORT_HDMIB, DVO_PORT_DPB, -1 }, + [PORT_C] = { -1 }, + [PORT_D] = { DVO_PORT_HDMIC, DVO_PORT_DPC, -1 }, + [PORT_E] = { DVO_PORT_HDMID, DVO_PORT_DPD, -1 }, + }; + + if (IS_ROCKETLAKE(dev_priv)) + return __dvo_port_to_port(ARRAY_SIZE(rkl_port_mapping), + ARRAY_SIZE(rkl_port_mapping[0]), + rkl_port_mapping, + dvo_port); + else + return __dvo_port_to_port(ARRAY_SIZE(port_mapping), + ARRAY_SIZE(port_mapping[0]), + port_mapping, + dvo_port); +} + static void parse_ddi_port(struct drm_i915_private *dev_priv, struct display_device_data *devdata, u8 bdb_version) @@ -1659,7 +1689,7 @@ static void parse_ddi_port(struct drm_i915_private *dev_priv, bool is_dvi, is_hdmi, is_dp, is_edp, is_crt; enum port port; - port = dvo_port_to_port(child->dvo_port); + port = dvo_port_to_port(dev_priv, child->dvo_port); if (port == PORT_NONE) return; @@ -2603,10 +2633,10 @@ enum aux_ch intel_bios_port_aux_ch(struct drm_i915_private *dev_priv, aux_ch = AUX_CH_B; break; case DP_AUX_C: - aux_ch = AUX_CH_C; + aux_ch = IS_ROCKETLAKE(dev_priv) ? AUX_CH_D : AUX_CH_C; break; case DP_AUX_D: - aux_ch = AUX_CH_D; + aux_ch = IS_ROCKETLAKE(dev_priv) ? AUX_CH_E : AUX_CH_D; break; case DP_AUX_E: aux_ch = AUX_CH_E;