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 71937FD5F88 for ; Wed, 8 Apr 2026 08:43:36 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 3205410E592; Wed, 8 Apr 2026 08:43:36 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="dwMPWalB"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.19]) by gabe.freedesktop.org (Postfix) with ESMTPS id 5443210E58D; Wed, 8 Apr 2026 08:43:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1775637814; x=1807173814; h=from:to:cc:subject:in-reply-to:references:date: message-id:mime-version:content-transfer-encoding; bh=Tr59nATJOHGJtliI+w8K6EcnUdb1jwxVbtBUgSeMYVA=; b=dwMPWalBJGRU7clmlQtqge7dZQx/TteIrGhi2KyAU5vrYgrFIqiuBKoM VYbYbacd4qJm7EKx9+IIPwnjLIBsTP2++U+9v7M5Wwwfr0qLL+7B9StBd fhPWeiXggM2vNqTeT1oUKXa2KGPJtC4yQC3srA6fvJOKiX7r+n21b+pvf dXCLg55OSNbqHOeQdHpiSbI/9R4XfDnl8ArkeaYqpFyFVMtjM6nFk9AEm OJTkfjSzkuvaXw0Sgp2BywU6FjGl2H1qS8yuajLoeYIo1PFG5nER5SZju GsGuAA4sz3c1etGN12/Tcg/HA1P45vcMZb6JZ0MHzdiuj93ENFCdSSH1V A==; X-CSE-ConnectionGUID: rbacWsP3TIiX4CzGc7xhzg== X-CSE-MsgGUID: b+UCCWouTmOOXKkf5EV9Qg== X-IronPort-AV: E=McAfee;i="6800,10657,11752"; a="76515143" X-IronPort-AV: E=Sophos;i="6.23,167,1770624000"; d="scan'208";a="76515143" Received: from orviesa005.jf.intel.com ([10.64.159.145]) by orvoesa111.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Apr 2026 01:43:34 -0700 X-CSE-ConnectionGUID: L5UO1VwITzaeWwj5oa66jg== X-CSE-MsgGUID: RXKaFJVrRFmiUIhCCcHi1g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,167,1770624000"; d="scan'208";a="233361935" Received: from krybak-mobl1.ger.corp.intel.com (HELO localhost) ([10.245.246.32]) by orviesa005-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Apr 2026 01:43:33 -0700 From: Jani Nikula To: Ville Syrjala , intel-gfx@lists.freedesktop.org Cc: intel-xe@lists.freedesktop.org Subject: Re: [PATCH 03/12] drm/i915/fb: Reject per-plane remapping with DPT In-Reply-To: <20260407155053.32156-4-ville.syrjala@linux.intel.com> Organization: Intel Finland Oy - BIC 0357606-4 - c/o Alberga Business Park, 6 krs Bertel Jungin Aukio 5, 02600 Espoo, Finland References: <20260407155053.32156-1-ville.syrjala@linux.intel.com> <20260407155053.32156-4-ville.syrjala@linux.intel.com> Date: Wed, 08 Apr 2026 11:43:29 +0300 Message-ID: <9c424207a639b8ec4d88dbe21edd38f086c8c55d@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable 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" On Tue, 07 Apr 2026, Ville Syrjala wrote: > From: Ville Syrj=C3=A4l=C3=A4 > > We currently create a single DPT for the entire FB, so we can't > actually do the per-plane remap. Reject it for now. > > Signed-off-by: Ville Syrj=C3=A4l=C3=A4 Reviewed-by: Jani Nikula > --- > drivers/gpu/drm/i915/display/intel_fb.c | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/drivers/gpu/drm/i915/display/intel_fb.c b/drivers/gpu/drm/i9= 15/display/intel_fb.c > index 4b0afea1c456..52a619088e8e 100644 > --- a/drivers/gpu/drm/i915/display/intel_fb.c > +++ b/drivers/gpu/drm/i915/display/intel_fb.c > @@ -1252,6 +1252,10 @@ static bool intel_plane_can_remap(const struct int= el_plane_state *plane_state) > if (intel_fb_is_ccs_modifier(fb->modifier)) > return false; >=20=20 > + /* TODO implement remapping with DPT */ > + if (intel_fb_uses_dpt(fb)) > + return false; > + > /* Linear needs a page aligned stride for remapping */ > if (fb->modifier =3D=3D DRM_FORMAT_MOD_LINEAR) { > unsigned int alignment =3D intel_tile_size(display) - 1; --=20 Jani Nikula, Intel