From patchwork Wed Sep 8 09:15:43 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Manna, Animesh" X-Patchwork-Id: 12480669 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CA23DC433F5 for ; Wed, 8 Sep 2021 09:38:29 +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 985C561131 for ; Wed, 8 Sep 2021 09:38:29 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 985C561131 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 425FC6E174; Wed, 8 Sep 2021 09:38:29 +0000 (UTC) Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTPS id E6F1E6E174 for ; Wed, 8 Sep 2021 09:38:27 +0000 (UTC) X-IronPort-AV: E=McAfee;i="6200,9189,10100"; a="220492873" X-IronPort-AV: E=Sophos;i="5.85,277,1624345200"; d="scan'208";a="220492873" Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Sep 2021 02:38:27 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.85,277,1624345200"; d="scan'208";a="693170190" Received: from amanna.iind.intel.com ([10.223.74.76]) by fmsmga006.fm.intel.com with ESMTP; 08 Sep 2021 02:38:25 -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, Animesh Manna Date: Wed, 8 Sep 2021 14:45:43 +0530 Message-Id: <20210908091544.13772-5-animesh.manna@intel.com> X-Mailer: git-send-email 2.29.0 In-Reply-To: <20210908091544.13772-1-animesh.manna@intel.com> References: <20210908091544.13772-1-animesh.manna@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [RFC 4/5] 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, 29 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c index 660e19c10aa8..1dc6b340d745 100644 --- a/drivers/gpu/drm/i915/display/intel_psr.c +++ b/drivers/gpu/drm/i915/display/intel_psr.c @@ -369,8 +369,12 @@ 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.psr2_enabled) { + if (intel_dp->psr.pr_enabled) { + drm_dp_dpcd_writeb(&intel_dp->aux, PANEL_REPLAY_CONFIG, + PANEL_REPLAY_ENABLE); + return; + } else 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); @@ -497,6 +501,17 @@ 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); @@ -1077,8 +1092,10 @@ 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.pr_enabled) + dg2_activate_panel_replay(intel_dp); + else if (intel_dp->psr.psr2_enabled) hsw_activate_psr2(intel_dp); else hsw_activate_psr1(intel_dp); @@ -1267,7 +1284,10 @@ static void intel_psr_exit(struct intel_dp *intel_dp) return; } - if (intel_dp->psr.psr2_enabled) { + if (intel_dp->psr.pr_enabled) { + 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 5bc8f22fa9a8..9effbc6e5539 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -4720,6 +4720,7 @@ 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 1b4dcee3b281..63face4e4f6f 100644 --- a/include/drm/drm_dp_helper.h +++ b/include/drm/drm_dp_helper.h @@ -707,6 +707,9 @@ 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