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 395C1E87838 for ; Tue, 3 Feb 2026 14:13:34 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E50B910E689; Tue, 3 Feb 2026 14:13:33 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="VvQy4HSz"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.12]) by gabe.freedesktop.org (Postfix) with ESMTPS id 95DFF10E695; Tue, 3 Feb 2026 14:13:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1770128013; x=1801664013; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=UordhuqJabhdScAPutmaJd3SCzlCU630avxAxWMDQJA=; b=VvQy4HSzU7zfTqQsGUTuKxf+SgXMpRKj8/XD4zGAnDzrVIX3WqxjSh1F kwH/S5Y7luHlTYuNLas/uKwmwDhebke51r4dQb1uuSEfkixU41DvqMmN5 9ALm7oz4VhOfY7NDmI+BTLYh5rnB8Cb8caZlPhgqq0hR1/MkqZVGikCAi 3CVCIRoeSRAgfUPuh+XOKBUm/e5HtiHTKyMm3OaMy2sd2RRZJZOOAE9At X0AJ4PP1oL22KJaNyncxE2arg0V4KR9IJvZCLI98t2V3Q0MRmGQX8llWJ 7tV3TH6KIDt3ax33U9xPIM6ROwLRpsYvzdord5OtsZFJbGKVnJ90Y9LwN g==; X-CSE-ConnectionGUID: xsYr+xfnSpi/7q/BC5+hvA== X-CSE-MsgGUID: kvpeNXUKTRC50Reb8bM6ag== X-IronPort-AV: E=McAfee;i="6800,10657,11690"; a="75156446" X-IronPort-AV: E=Sophos;i="6.21,270,1763452800"; d="scan'208";a="75156446" 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 06:13:32 -0800 X-CSE-ConnectionGUID: nWkFlFJ6Sr+SidF8RzD8MA== X-CSE-MsgGUID: Qhan2wXQSeSopne/9hqoQA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,270,1763452800"; d="scan'208";a="208956309" Received: from srr4-3-linux-101-amanna.iind.intel.com ([10.223.74.76]) by orviesa006.jf.intel.com with ESMTP; 03 Feb 2026 06:13:30 -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 06/10] drm/i915/cmtg: set transcoder mn for cmtg Date: Tue, 3 Feb 2026 19:14:03 +0530 Message-Id: <20260203134407.2823406-7-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" Program CMTG link M/N. Signed-off-by: Animesh Manna --- drivers/gpu/drm/i915/display/intel_cmtg.c | 12 ++++++++++++ drivers/gpu/drm/i915/display/intel_cmtg_regs.h | 3 +++ 2 files changed, 15 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_cmtg.c b/drivers/gpu/drm/i915/display/intel_cmtg.c index cb1376f4c13f..12a081dd7e4d 100644 --- a/drivers/gpu/drm/i915/display/intel_cmtg.c +++ b/drivers/gpu/drm/i915/display/intel_cmtg.c @@ -234,6 +234,16 @@ static void intel_cmtg_set_timings(const struct intel_crtc_state *crtc_state) } } +static void intel_cpu_cmtg_transcoder_set_m_n(const struct intel_crtc_state *crtc_state) +{ + struct intel_display *display = to_intel_display(crtc_state); + enum transcoder cpu_transcoder = crtc_state->cpu_transcoder; + const struct intel_link_m_n *m_n = &crtc_state->dp_m_n; + + intel_de_write(display, TRANS_LINKM1_CMTG(cpu_transcoder), m_n->link_m); + intel_de_write(display, TRANS_LINKN1_CMTG(cpu_transcoder), m_n->link_n); +} + void intel_cmtg_enable(const struct intel_crtc_state *crtc_state) { struct intel_display *display = to_intel_display(crtc_state); @@ -246,4 +256,6 @@ void intel_cmtg_enable(const struct intel_crtc_state *crtc_state) intel_de_write(display, TRANS_SET_CTX_LATENCY_CMTG(cpu_transcoder), intel_de_read(display, TRANS_SET_CONTEXT_LATENCY(display, cpu_transcoder))); + + intel_cpu_cmtg_transcoder_set_m_n(crtc_state); } diff --git a/drivers/gpu/drm/i915/display/intel_cmtg_regs.h b/drivers/gpu/drm/i915/display/intel_cmtg_regs.h index 3cfd8eedb321..b766ded8686c 100644 --- a/drivers/gpu/drm/i915/display/intel_cmtg_regs.h +++ b/drivers/gpu/drm/i915/display/intel_cmtg_regs.h @@ -32,6 +32,9 @@ #define TRANS_VRR_VMIN_CMTG(id) _MMIO(0x6F434 + (id) * 0x100) #define TRANS_VRR_FLIPLINE_CMTG(id) _MMIO(0x6F438 + (id) * 0x100) +#define TRANS_LINKM1_CMTG(id) _MMIO(0x6F040 + (id) * 0x100) +#define TRANS_LINKN1_CMTG(id) _MMIO(0x6F044 + (id) * 0x100) + #define TRANS_SET_CTX_LATENCY_CMTG(id) _MMIO(0x6F07C + (id) * 0x100) #endif /* __INTEL_CMTG_REGS_H__ */ -- 2.29.0