From patchwork Thu Jul 28 01:34:08 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Sripada, Radhakrishna" X-Patchwork-Id: 12930922 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 E71C1C04A68 for ; Thu, 28 Jul 2022 01:34:57 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 2C3C510E60E; Thu, 28 Jul 2022 01:34:49 +0000 (UTC) Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by gabe.freedesktop.org (Postfix) with ESMTPS id ED4EA10E6B2 for ; Thu, 28 Jul 2022 01:34:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1658972080; x=1690508080; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Uld+C7Mttz5MuhRIWxQl8WwFQqhJGqkaaXDBYP5tmGs=; b=cCwKMGphJ0ou1TysGX78DS6BCYHc5GeOgIWvG9qhnX1D+XkImOI+ci1K 2UwRL2KpbNFEpgE8fA3nyQvNhlF17wbXsmE504+wLj7cWILOgGMjdZjC4 7caBsSGcg7uGw5UPPTh1LeHOM+leRB5PqQwef58+oQ2Rbg7YD7SNS677b yykK7Toolc+Hpn/cB4OA3ITVfeed3Xs2Y8S2NxSiiQXO8GD9UY3osbR4u XEOUM7hUroUrmw3yTTdolxCZ7lQ3UHVD5gbcUkhsNXgDfamZ+FoESI2eG Sr4/NWBO7qTpmVohD5mBv/afXCZjS2aBeWhQl+U1WHQHI2a3t8YUX4Pzr g==; X-IronPort-AV: E=McAfee;i="6400,9594,10421"; a="374693659" X-IronPort-AV: E=Sophos;i="5.93,196,1654585200"; d="scan'208";a="374693659" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Jul 2022 18:34:40 -0700 X-IronPort-AV: E=Sophos;i="5.93,196,1654585200"; d="scan'208";a="659457004" Received: from invictus.jf.intel.com ([10.165.21.205]) by fmsmga008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Jul 2022 18:34:40 -0700 From: Radhakrishna Sripada To: intel-gfx@lists.freedesktop.org Date: Wed, 27 Jul 2022 18:34:08 -0700 Message-Id: <20220728013420.3750388-12-radhakrishna.sripada@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220728013420.3750388-1-radhakrishna.sripada@intel.com> References: <20220728013420.3750388-1-radhakrishna.sripada@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 11/23] drm/i915/mtl: Add DP AUX support on TypeC ports 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: Imre Deak On MTL TypeC ports the AUX_CH_CTL and AUX_CH_DATA addresses have changed wrt. previous platforms, adjust the code accordingly. Signed-off-by: Imre Deak --- drivers/gpu/drm/i915/display/intel_dp_aux.c | 45 ++++++++++++++++++++- 1 file changed, 44 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_dp_aux.c b/drivers/gpu/drm/i915/display/intel_dp_aux.c index 40c4bdd9cb26..10616e18dc18 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_aux.c +++ b/drivers/gpu/drm/i915/display/intel_dp_aux.c @@ -637,6 +637,46 @@ static i915_reg_t tgl_aux_data_reg(struct intel_dp *intel_dp, int index) } } +static i915_reg_t xelpdp_aux_ctl_reg(struct intel_dp *intel_dp) +{ + struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); + enum aux_ch aux_ch = dig_port->aux_ch; + + switch (aux_ch) { + case AUX_CH_A: + case AUX_CH_B: + case AUX_CH_USBC1: + case AUX_CH_USBC2: + case AUX_CH_USBC3: + case AUX_CH_USBC4: + return XELPDP_DP_AUX_CH_CTL(aux_ch); + default: + MISSING_CASE(aux_ch); + return XELPDP_DP_AUX_CH_CTL(AUX_CH_A); + } +} + +static i915_reg_t xelpdp_aux_data_reg(struct intel_dp *intel_dp, int index) +{ + struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); + enum aux_ch aux_ch = dig_port->aux_ch; + + switch (aux_ch) { + case AUX_CH_A: + case AUX_CH_B: + case AUX_CH_USBC1: + case AUX_CH_USBC2: + case AUX_CH_USBC3: + case AUX_CH_USBC4: + return XELPDP_DP_AUX_CH_DATA(aux_ch, index); + default: + MISSING_CASE(aux_ch); + return XELPDP_DP_AUX_CH_DATA(AUX_CH_A, index); + } +} + void intel_dp_aux_fini(struct intel_dp *intel_dp) { if (cpu_latency_qos_request_active(&intel_dp->pm_qos)) @@ -652,7 +692,10 @@ void intel_dp_aux_init(struct intel_dp *intel_dp) struct intel_encoder *encoder = &dig_port->base; enum aux_ch aux_ch = dig_port->aux_ch; - if (DISPLAY_VER(dev_priv) >= 12) { + if (DISPLAY_VER(dev_priv) >= 14) { + intel_dp->aux_ch_ctl_reg = xelpdp_aux_ctl_reg; + intel_dp->aux_ch_data_reg = xelpdp_aux_data_reg; + } else if (DISPLAY_VER(dev_priv) >= 12) { intel_dp->aux_ch_ctl_reg = tgl_aux_ctl_reg; intel_dp->aux_ch_data_reg = tgl_aux_data_reg; } else if (DISPLAY_VER(dev_priv) >= 9) {