From patchwork Mon Jun 3 13:00:34 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Hogander, Jouni" X-Patchwork-Id: 13683806 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 CAC8AC25B75 for ; Mon, 3 Jun 2024 13:01:18 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 94A3210E35C; Mon, 3 Jun 2024 13:01:17 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="Jkgzudww"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.17]) by gabe.freedesktop.org (Postfix) with ESMTPS id AA6D610E398 for ; Mon, 3 Jun 2024 13:01:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1717419675; x=1748955675; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=A0AKuK2RuCW1KMgaHmpeJPYWL0uRCjCxoXQ7W9ASf04=; b=Jkgzudwwg31yxwr0tAoZ7dCXFjYREeHXkg+/VF6EkuZzjzn4qPRwIjuX UwdIz+8yybhKI26LM54pEENVp4nWKNLneD9SBRmvN2vk58BspMh8aayoP 4XTrCFttlOLbT11l7IaIpvN5XkGmT0iTjKMU58HdEUIUj/PXW1ZfKNHLc p2+b1VDPT63MewFBkIn0KWiguA8CHiw926j6AjBgRFYP7B5Ck8JYmVF3j uSpb9h2mGmLC0cLcw+6r8SMx1pZR4OJMPlEHxGp/mbopc1aaHysxYaLh+ 8t+vhYNg+D/OOW6g3/dDJRj/2NuQ/Jk/OdDDFRnr8Z8Ttk7dBXPOCwjeJ A==; X-CSE-ConnectionGUID: gN2KF0nQSSGxjy8hjQOyOQ== X-CSE-MsgGUID: UO3xtdXPTayaHCHG5JLXRw== X-IronPort-AV: E=McAfee;i="6600,9927,11092"; a="13774480" X-IronPort-AV: E=Sophos;i="6.08,211,1712646000"; d="scan'208";a="13774480" Received: from fmviesa003.fm.intel.com ([10.60.135.143]) by fmvoesa111.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Jun 2024 06:01:14 -0700 X-CSE-ConnectionGUID: SbJ+XqUlRKGxCM02cO4Mnw== X-CSE-MsgGUID: +Ohqww8WSW2LgjFNSZD7EQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,211,1712646000"; d="scan'208";a="41291859" Received: from jgulati-mobl.ger.corp.intel.com (HELO jhogande-mobl1.intel.com) ([10.251.212.183]) by fmviesa003-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Jun 2024 06:01:13 -0700 From: =?utf-8?q?Jouni_H=C3=B6gander?= To: intel-gfx@lists.freedesktop.org Cc: animesh.manna@intel.com, mika.kahola@intel.com, =?utf-8?q?Jouni_H=C3=B6g?= =?utf-8?q?ander?= Subject: [PATCH v5 10/19] drm/i915/psr: enable sink for eDP1.5 Panel Replay Date: Mon, 3 Jun 2024 16:00:34 +0300 Message-Id: <20240603130043.2615716-11-jouni.hogander@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240603130043.2615716-1-jouni.hogander@intel.com> References: <20240603130043.2615716-1-jouni.hogander@intel.com> MIME-Version: 1.0 Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo 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" eDP1.5 allows Panel Replay on eDP as well. Take this into account when enabling sink PSR/Panel Replay. Write also PANEL_REPLAY_CONFIG2 register accordingly. v2: do not configure ALPM for DP2.0 Panel Replay Signed-off-by: Jouni Högander --- drivers/gpu/drm/i915/display/intel_psr.c | 67 ++++++++++++++++++------ 1 file changed, 50 insertions(+), 17 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c index e347775610df..1c8ee5a4a9b8 100644 --- a/drivers/gpu/drm/i915/display/intel_psr.c +++ b/drivers/gpu/drm/i915/display/intel_psr.c @@ -690,6 +690,27 @@ static unsigned int intel_psr_get_enable_sink_offset(struct intel_dp *intel_dp) PANEL_REPLAY_CONFIG : DP_PSR_EN_CFG; } +static void intel_psr_enable_sink_alpm(struct intel_dp *intel_dp, + const struct intel_crtc_state *crtc_state) +{ + u32 val; + + /* + * eDP Panel Replay uses always ALPM + * PSR2 uses ALPM but PSR1 doesn't + */ + if (!intel_dp_is_edp(intel_dp) || (!crtc_state->has_panel_replay && + !crtc_state->has_sel_update)) + return; + + val = DP_ALPM_ENABLE | DP_ALPM_LOCK_ERROR_IRQ_HPD_ENABLE; + + if (crtc_state->has_panel_replay) + val |= DP_ALPM_MODE_AUX_LESS; + + drm_dp_dpcd_writeb(&intel_dp->aux, DP_RECEIVER_ALPM_CONFIG, val); +} + /* * Note: Most of the bits are same in PANEL_REPLAY_CONFIG and DP_PSR_EN_CFG. We * are relying on PSR definitions on these "common" bits. @@ -698,42 +719,54 @@ void intel_psr_enable_sink(struct intel_dp *intel_dp, const struct intel_crtc_state *crtc_state) { struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - u8 dpcd_val = DP_PSR_ENABLE; + u8 enable_val = DP_PSR_ENABLE; + u8 panel_replay_config2 = 0; + + intel_psr_enable_sink_alpm(intel_dp, crtc_state); if (crtc_state->has_sel_update) { - /* Enable ALPM at sink for psr2 */ - if (!crtc_state->has_panel_replay) { - drm_dp_dpcd_writeb(&intel_dp->aux, - DP_RECEIVER_ALPM_CONFIG, - DP_ALPM_ENABLE | - DP_ALPM_LOCK_ERROR_IRQ_HPD_ENABLE); + /* PSR2 and Panel Replay SU on eDP */ + if (intel_dp_is_edp(intel_dp)) { + if (crtc_state->req_psr2_sdp_prior_scanline) { + if (crtc_state->has_panel_replay) + panel_replay_config2 |= + DP_PANEL_REPLAY_SU_REGION_SCANLINE_CAPTURE; + else + enable_val |= DP_PSR_SU_REGION_SCANLINE_CAPTURE; + } if (crtc_state->enable_psr2_su_region_et) - dpcd_val |= DP_PSR_ENABLE_SU_REGION_ET; + enable_val |= DP_PSR_ENABLE_SU_REGION_ET; } - dpcd_val |= DP_PSR_ENABLE_PSR2 | DP_PSR_IRQ_HPD_WITH_CRC_ERRORS; + enable_val |= DP_PSR_ENABLE_PSR2 | DP_PSR_IRQ_HPD_WITH_CRC_ERRORS; } else { + /* PSR2 and Panel Replay Full Frame Update */ if (intel_dp->psr.link_standby) - dpcd_val |= DP_PSR_MAIN_LINK_ACTIVE; + enable_val |= DP_PSR_MAIN_LINK_ACTIVE; if (!crtc_state->has_panel_replay && DISPLAY_VER(dev_priv) >= 8) - dpcd_val |= DP_PSR_CRC_VERIFICATION; + enable_val |= DP_PSR_CRC_VERIFICATION; } - if (crtc_state->has_panel_replay) - dpcd_val |= DP_PANEL_REPLAY_UNRECOVERABLE_ERROR_EN | + if (crtc_state->has_panel_replay) { + enable_val |= DP_PANEL_REPLAY_UNRECOVERABLE_ERROR_EN | DP_PANEL_REPLAY_RFB_STORAGE_ERROR_EN; - if (crtc_state->req_psr2_sdp_prior_scanline) - dpcd_val |= DP_PSR_SU_REGION_SCANLINE_CAPTURE; + if (intel_dp_is_edp(intel_dp)) + enable_val |= DP_PANEL_REPLAY_VSC_SDP_CRC_EN; + } if (intel_dp->psr.entry_setup_frames > 0) - dpcd_val |= DP_PSR_FRAME_CAPTURE; + enable_val |= DP_PSR_FRAME_CAPTURE; drm_dp_dpcd_writeb(&intel_dp->aux, intel_psr_get_enable_sink_offset(intel_dp), - dpcd_val); + enable_val); + + if (crtc_state->has_panel_replay && intel_dp_is_edp(intel_dp)) + drm_dp_dpcd_writeb(&intel_dp->aux, PANEL_REPLAY_CONFIG2, + panel_replay_config2); if (intel_dp_is_edp(intel_dp)) drm_dp_dpcd_writeb(&intel_dp->aux, DP_SET_POWER, DP_SET_POWER_D0);