From mboxrd@z Thu Jan 1 00:00:00 1970 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 1BD20E87837 for ; Tue, 3 Feb 2026 14:13:41 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id CF89F10E697; Tue, 3 Feb 2026 14:13:40 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="NyrSc9KO"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.12]) by gabe.freedesktop.org (Postfix) with ESMTPS id D0AC110E695; Tue, 3 Feb 2026 14:13:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1770128018; x=1801664018; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=cr0XNT+qsbwSgKZ5tRZYhG+2pbW3P9qDOaZyywZSC88=; b=NyrSc9KO/mp3Wx6gqSBMcVOLxIYoC4GUEE1mFloVWjSoaIV5z3L0uvJ7 1lSUvyrnbt7bngvQpAVyTQvPXnmAcG+Wz4bXsz9JR6Cxtuhhrv3QuOLHL cl/g0BnfExBdkUSCN1ITM+iuDve1KTWLAIXxjtiq58X7vUNRKnibufFRs JAQ+Ey3Ixp0GfgIfrRjToFo8Xn5Z9sTzAYuVHjNAGJIvKj3+NRvcx2Wz6 1WPHdzVKfAN00Wpc165VN0Q0YSVU6xpIneS/bhkR+WjtT7KVToxsyqjvb SST/1AfHW/QK1lP0d0eOu+hI2SMwV6f91fdMKomnFHUlLwt1S4cibIO5j A==; X-CSE-ConnectionGUID: Xn1CWjZQSGOC7knEJlx/JQ== X-CSE-MsgGUID: UUNBu6/DTKWnJNkASb+gJA== X-IronPort-AV: E=McAfee;i="6800,10657,11690"; a="75156451" X-IronPort-AV: E=Sophos;i="6.21,270,1763452800"; d="scan'208";a="75156451" Received: from orviesa006.jf.intel.com ([10.64.159.146]) by fmvoesa106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Feb 2026 06:13:37 -0800 X-CSE-ConnectionGUID: eqBEf9geTrG94pnk4kS0Ag== X-CSE-MsgGUID: N15mP9IMS0Kn9vRa+O5xYA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,270,1763452800"; d="scan'208";a="208956316" Received: from srr4-3-linux-101-amanna.iind.intel.com ([10.223.74.76]) by orviesa006.jf.intel.com with ESMTP; 03 Feb 2026 06:13:35 -0800 From: Animesh Manna To: intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org Cc: dibin.moolakadan.subrahmanian@intel.com, jani.nikula@intel.com, Animesh Manna Subject: [PATCH v2 08/10] drm/i915/cmtg: enable cmtg ctl Date: Tue, 3 Feb 2026 19:14:05 +0530 Message-Id: <20260203134407.2823406-9-animesh.manna@intel.com> X-Mailer: git-send-email 2.29.0 In-Reply-To: <20260203134407.2823406-1-animesh.manna@intel.com> References: <20260203134407.2823406-1-animesh.manna@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" Enable CMTG through control register. Signed-off-by: Animesh Manna --- drivers/gpu/drm/i915/display/intel_cmtg.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_cmtg.c b/drivers/gpu/drm/i915/display/intel_cmtg.c index 3af4aefc760e..f7364c7408d5 100644 --- a/drivers/gpu/drm/i915/display/intel_cmtg.c +++ b/drivers/gpu/drm/i915/display/intel_cmtg.c @@ -244,6 +244,19 @@ static void intel_cpu_cmtg_transcoder_set_m_n(const struct intel_crtc_state *crt intel_de_write(display, TRANS_LINKN1_CMTG(cpu_transcoder), m_n->link_n); } +static void intel_cmtg_ctl_enable(const struct intel_crtc_state *crtc_state) +{ + struct intel_display *display = to_intel_display(crtc_state); + enum transcoder cpu_transcoder = crtc_state->cpu_transcoder; + u32 val = 0; + + val = intel_de_read(display, TRANS_CMTG_CTL(cpu_transcoder)); + + val |= CMTG_ENABLE; + + intel_de_write(display, TRANS_CMTG_CTL(cpu_transcoder), val); +} + void intel_cmtg_enable(const struct intel_crtc_state *crtc_state) { struct intel_display *display = to_intel_display(crtc_state); @@ -261,4 +274,7 @@ void intel_cmtg_enable(const struct intel_crtc_state *crtc_state) /* Program Cmtg Sync to Port Sync, TRANS_CMTG_CTL */ intel_de_rmw(display, TRANS_CMTG_CTL(cpu_transcoder), CMTG_SYNC_TO_PORT, CMTG_SYNC_TO_PORT); + + /* Program Enable Cmtg */ + intel_cmtg_ctl_enable(crtc_state); } -- 2.29.0