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 99D63C55169 for ; Thu, 30 Jul 2026 11:09:40 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id D63B710EED2; Thu, 30 Jul 2026 11:09:39 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="bKoy65iG"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.16]) by gabe.freedesktop.org (Postfix) with ESMTPS id A90C410EECD; Thu, 30 Jul 2026 11:09:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1785409778; x=1816945778; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=V0WPOTFbV7Ju2SRCByZYWFuV0h92kAQ1uIY6wjBETZY=; b=bKoy65iGe+7iwfEWRKoNZxCbTG/0VROz+WcbIXMzE497L4XinN7XQd6L sLLytLVYcpUi9TAAMM7Ssx48lwrmiN40ThEXntj49maCrqV5RxtzCFpUz 4DlNhh/j/zSK0NJ+bvnG2EcVR3TQ8NODyVWHBXPMnHAlfofcBzUnMOzqi rwxm6WIjJBYbo7cIZKgIqMNo/WXo0KSds4d8/U/KeZtfQc2RKra6Ly8VW asOYWbNquF4vJgUruxMogrMd15YvYn+KneQmLo9ZyKEARrlxnDRLwiCeF 84d2v3/A4tr63Xz0SqWak7p0crwYzfZ3tGdDM5a31KbsNjGDyEVznZXzf A==; X-CSE-ConnectionGUID: zzG/J/aER7KnZhTSEP0HYA== X-CSE-MsgGUID: vFu3jIzaT9m6XPfobCLHsA== X-IronPort-AV: E=McAfee;i="6800,10657,11859"; a="86217225" X-IronPort-AV: E=Sophos;i="6.25,194,1779174000"; d="scan'208";a="86217225" Received: from orviesa001.jf.intel.com ([10.64.159.141]) by orvoesa108.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Jul 2026 04:09:32 -0700 X-CSE-ConnectionGUID: ivmNMpSdS523CmEqdeG6Ew== X-CSE-MsgGUID: Fq7zygRHTVuV8QZ6tueZrg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,194,1779174000"; d="scan'208";a="298482243" Received: from mgolanimitul-x299-ud4-pro.iind.intel.com ([10.190.239.114]) by orviesa001.jf.intel.com with ESMTP; 30 Jul 2026 04:09:30 -0700 From: Mitul Golani To: intel-gfx@lists.freedesktop.org Cc: intel-xe@lists.freedesktop.org, uma.shankar@intel.com, ankit.k.nautiyal@intel.com, chaitanya.kumar.borah@intel.com Subject: [PATCH v8 00/10] Enable CMRR in fixed-RR VRR path Date: Thu, 30 Jul 2026 16:29:07 +0530 Message-ID: <20260730105919.3913412-1-mitulkumar.ajitkumar.golani@intel.com> X-Mailer: git-send-email 2.48.1 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" The existing CMRR fractional-timing code was permanently disabled (if (!HAS_CMRR || true)), eDP-only, and relied on a heuristic to guess when the fractional path was needed. This series reworks it into a generic, debugfs-driven feature, which later will be controlled via userspace when respective uapi will be in-palce. Mitul Golani (10): drm/i915/psr: Do not enable PSR2 when CMRR is enabled drm/i915/vrr: Restrict CMRR enable condition to VRR-TG-default platforms drm/i915/vrr: Add per-CRTC vrr/cmrr debugfs control drm/i915/vrr: Update AS_SDP target_rr_divider based on CMRR config request drm/i915/display: Move CMRR crtc_state members under VRR drm/i915/vrr: Compute CMRR fractional timings generically drm/i915/vrr: Latch CMRR ratio via atomic commit on debugfs write drm/i915/vrr: Program CMRR enable/disable from transcoder timings drm/i915/vrr: Dump CMRR state in the crtc state dump drm/i915/vrr: Enable cmrr drivers/gpu/drm/i915/display/intel_cmtg.c | 2 +- .../drm/i915/display/intel_crtc_state_dump.c | 3 + drivers/gpu/drm/i915/display/intel_display.c | 10 +- .../drm/i915/display/intel_display_debugfs.c | 2 + .../drm/i915/display/intel_display_types.h | 17 +- drivers/gpu/drm/i915/display/intel_dp.c | 9 +- drivers/gpu/drm/i915/display/intel_psr.c | 6 + drivers/gpu/drm/i915/display/intel_vrr.c | 393 ++++++++++++++---- drivers/gpu/drm/i915/display/intel_vrr.h | 2 + 9 files changed, 345 insertions(+), 99 deletions(-) -- 2.48.1