From patchwork Thu Oct 7 15:57:28 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Manna, Animesh" X-Patchwork-Id: 12542305 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AD82FC433F5 for ; Thu, 7 Oct 2021 16:20:46 +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 71A1461262 for ; Thu, 7 Oct 2021 16:20:46 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 71A1461262 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id CFFF76F89C; Thu, 7 Oct 2021 16:20:45 +0000 (UTC) Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTPS id 143376F89C for ; Thu, 7 Oct 2021 16:20:45 +0000 (UTC) X-IronPort-AV: E=McAfee;i="6200,9189,10130"; a="249614650" X-IronPort-AV: E=Sophos;i="5.85,355,1624345200"; d="scan'208";a="249614650" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Oct 2021 09:20:44 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.85,355,1624345200"; d="scan'208";a="524723221" Received: from amanna.iind.intel.com ([10.223.74.76]) by fmsmga008.fm.intel.com with ESMTP; 07 Oct 2021 09:20:42 -0700 From: Animesh Manna To: intel-gfx@lists.freedesktop.org Cc: gwan-gyeong.mun@intel.com, mika.kahola@intel.com, jani.nikula@intel.com, manasi.d.navare@intel.com, jose.souza@intel.com, Animesh Manna Date: Thu, 7 Oct 2021 21:27:28 +0530 Message-Id: <20211007155729.27812-4-animesh.manna@intel.com> X-Mailer: git-send-email 2.29.0 In-Reply-To: <20211007155729.27812-1-animesh.manna@intel.com> References: <20211007155729.27812-1-animesh.manna@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v2 3/4] drm/i915/panelreplay: enable/disable panel replay 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" TRANS_DP2_CTL register is programmed to enable panel replay from source and sink is enabled through panel replay dpcd configuration address. Signed-off-by: Animesh Manna --- drivers/gpu/drm/i915/display/intel_psr.c | 30 ++++++++++++++++++++---- drivers/gpu/drm/i915/i915_reg.h | 1 + include/drm/drm_dp_helper.h | 3 +++ 3 files changed, 30 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c index 935ea1c434ac..197cab7551c6 100644 --- a/drivers/gpu/drm/i915/display/intel_psr.c +++ b/drivers/gpu/drm/i915/display/intel_psr.c @@ -370,8 +370,14 @@ static void intel_psr_enable_sink(struct intel_dp *intel_dp) struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); u8 dpcd_val = DP_PSR_ENABLE; - /* Enable ALPM at sink for psr2 */ + if (intel_dp->psr.enabled && !intel_dp_is_edp(intel_dp)) { + drm_dp_dpcd_writeb(&intel_dp->aux, PANEL_REPLAY_CONFIG, + PANEL_REPLAY_ENABLE); + return; + } + if (intel_dp->psr.psr2_enabled) { + /* Enable ALPM at sink for psr2 */ drm_dp_dpcd_writeb(&intel_dp->aux, DP_RECEIVER_ALPM_CONFIG, DP_ALPM_ENABLE | DP_ALPM_LOCK_ERROR_IRQ_HPD_ENABLE); @@ -498,6 +504,17 @@ static u32 intel_psr2_get_tp_time(struct intel_dp *intel_dp) return val; } +static void dg2_activate_panel_replay(struct intel_dp *intel_dp) +{ + struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + + intel_de_write(dev_priv, PSR2_MAN_TRK_CTL(intel_dp->psr.transcoder), + ADLP_PSR2_MAN_TRK_CTL_SF_PARTIAL_FRAME_UPDATE); + + intel_de_rmw(dev_priv, TRANS_DP2_CTL(intel_dp->psr.transcoder), 0, + TRANS_DP2_PANEL_REPLAY_ENABLE); +} + static void hsw_activate_psr2(struct intel_dp *intel_dp) { struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); @@ -1067,8 +1084,10 @@ static void intel_psr_activate(struct intel_dp *intel_dp) drm_WARN_ON(&dev_priv->drm, intel_dp->psr.active); lockdep_assert_held(&intel_dp->psr.lock); - /* psr1 and psr2 are mutually exclusive.*/ - if (intel_dp->psr.psr2_enabled) + /* psr1, psr2 and panel-replay are mutually exclusive.*/ + if (intel_dp->psr.enabled && !intel_dp_is_edp(intel_dp)) + dg2_activate_panel_replay(intel_dp); + else if (intel_dp->psr.psr2_enabled) hsw_activate_psr2(intel_dp); else hsw_activate_psr1(intel_dp); @@ -1241,7 +1260,10 @@ static void intel_psr_exit(struct intel_dp *intel_dp) return; } - if (intel_dp->psr.psr2_enabled) { + if (intel_dp->psr.enabled && !intel_dp_is_edp(intel_dp)) { + intel_de_rmw(dev_priv, TRANS_DP2_CTL(intel_dp->psr.transcoder), + TRANS_DP2_PANEL_REPLAY_ENABLE, 0); + } else if (intel_dp->psr.psr2_enabled) { tgl_disallow_dc3co_on_psr2_exit(intel_dp); val = intel_de_read(dev_priv, EDP_PSR2_CTL(intel_dp->psr.transcoder)); diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index a897f4abea0c..6cc6ebcd3bdb 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -4725,6 +4725,7 @@ enum { #define PSR2_MAN_TRK_CTL_SF_SINGLE_FULL_FRAME REG_BIT(3) #define PSR2_MAN_TRK_CTL_SF_CONTINUOS_FULL_FRAME REG_BIT(2) #define PSR2_MAN_TRK_CTL_SF_PARTIAL_FRAME_UPDATE REG_BIT(1) +#define ADLP_PSR2_MAN_TRK_CTL_SF_PARTIAL_FRAME_UPDATE REG_BIT(31) #define ADLP_PSR2_MAN_TRK_CTL_SU_REGION_START_ADDR_MASK REG_GENMASK(28, 16) #define ADLP_PSR2_MAN_TRK_CTL_SU_REGION_START_ADDR(val) REG_FIELD_PREP(ADLP_PSR2_MAN_TRK_CTL_SU_REGION_START_ADDR_MASK, val) #define ADLP_PSR2_MAN_TRK_CTL_SU_REGION_END_ADDR_MASK REG_GENMASK(12, 0) diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h index d18340cbf8ac..4b95289e6edf 100644 --- a/include/drm/drm_dp_helper.h +++ b/include/drm/drm_dp_helper.h @@ -712,6 +712,9 @@ struct drm_panel; #define DP_BRANCH_DEVICE_CTRL 0x1a1 # define DP_BRANCH_DEVICE_IRQ_HPD (1 << 0) +#define PANEL_REPLAY_CONFIG 0x1b0 +# define PANEL_REPLAY_ENABLE (1 << 0) + #define DP_PAYLOAD_ALLOCATE_SET 0x1c0 #define DP_PAYLOAD_ALLOCATE_START_TIME_SLOT 0x1c1 #define DP_PAYLOAD_ALLOCATE_TIME_SLOT_COUNT 0x1c2