From patchwork Fri Apr 12 15:52:42 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Animesh Manna X-Patchwork-Id: 13628048 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 442FEC4345F for ; Fri, 12 Apr 2024 16:08:38 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 86D2E10F76A; Fri, 12 Apr 2024 16:08:33 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="SsvyYlYb"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.17]) by gabe.freedesktop.org (Postfix) with ESMTPS id CF7AA10F752; Fri, 12 Apr 2024 16:08:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1712938102; x=1744474102; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=rjoq9JZ9aRAI5Vdj5iblad5chcAyzYh2XtJfo9AP85U=; b=SsvyYlYbVvPmutuSMRd15c1bYHoubb/eK0t/mbOUj2zhdQN7F9VQf+AM yV8hpBTmmEHB4flCKFLN2g+9f7FvxNTfx3Q0H4okPFB94nS71uvqvHnYH bk7oJEIjwCsq3C//lbyzynGugzm4ynw0qqJzQ479p5+1dDq6FHS9HP+/0 9yVIbtKLV90sKzei7HWacoqprjAu+tOoJRNuWuO04S7tlaz3MDUqcYb0m 1hHHKOhCJRzfmsnZfvVSmSIO2Nb1AoWWScVJrWgrf8Uru3WJARsgZvl4/ d2mpmqQe6fs5Wx1D2QYyihaycQeysHNS8HivclvT4OYBj714kPMnwlYjz g==; X-CSE-ConnectionGUID: glXNnlyORHiA8dF/7oaGag== X-CSE-MsgGUID: 41F4QPrKQuWONNjumG5ciw== X-IronPort-AV: E=McAfee;i="6600,9927,11042"; a="8256923" X-IronPort-AV: E=Sophos;i="6.07,196,1708416000"; d="scan'208";a="8256923" Received: from orviesa003.jf.intel.com ([10.64.159.143]) by fmvoesa111.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Apr 2024 09:08:22 -0700 X-CSE-ConnectionGUID: GmG0Lf4CRHy3hYdJIYQYCQ== X-CSE-MsgGUID: 769bdcL3SYyqzHd4hPieiQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,196,1708416000"; d="scan'208";a="25964127" Received: from srr4-3-linux-101-amanna.iind.intel.com ([10.223.74.76]) by orviesa003.jf.intel.com with ESMTP; 12 Apr 2024 09:08:21 -0700 From: Animesh Manna To: intel-gfx@lists.freedesktop.org Cc: dri-devel@lists.freedesktop.org, jani.nikula@intel.com, jouni.hogander@intel.com, arun.r.murthy@intel.com, Animesh Manna Subject: [PATCH v2 5/6] drm/i915/alpm: Enable lobf from source in ALPM_CTL Date: Fri, 12 Apr 2024 21:22:42 +0530 Message-Id: <20240412155243.2891996-6-animesh.manna@intel.com> X-Mailer: git-send-email 2.29.0 In-Reply-To: <20240412155243.2891996-1-animesh.manna@intel.com> References: <20240412155243.2891996-1-animesh.manna@intel.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Set the Link Off Between Frames Enable bit in ALPM_CTL register. Signed-off-by: Animesh Manna --- drivers/gpu/drm/i915/display/intel_alpm.c | 5 +++++ drivers/gpu/drm/i915/display/intel_display_types.h | 1 + 2 files changed, 6 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_alpm.c b/drivers/gpu/drm/i915/display/intel_alpm.c index 699f2f051766..ae894c85233c 100644 --- a/drivers/gpu/drm/i915/display/intel_alpm.c +++ b/drivers/gpu/drm/i915/display/intel_alpm.c @@ -325,6 +325,11 @@ static void lnl_alpm_configure(struct intel_dp *intel_dp) ALPM_CTL_EXTENDED_FAST_WAKE_TIME(intel_dp->alpm_parameters.fast_wake_lines); } + if (intel_dp->lobf_supported) { + alpm_ctl |= ALPM_CTL_LOBF_ENABLE; + intel_dp->lobf_enabled = true; + } + alpm_ctl |= ALPM_CTL_ALPM_ENTRY_CHECK(intel_dp->alpm_parameters.check_entry_lines); intel_de_write(dev_priv, ALPM_CTL(cpu_transcoder), alpm_ctl); diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h index 6116c383b543..f61ba582429b 100644 --- a/drivers/gpu/drm/i915/display/intel_display_types.h +++ b/drivers/gpu/drm/i915/display/intel_display_types.h @@ -1884,6 +1884,7 @@ struct intel_dp { /* LOBF flags*/ bool lobf_supported; + bool lobf_enabled; }; enum lspcon_vendor {