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 94F24C44507 for ; Sun, 12 Jul 2026 11:14:57 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 5571C10E435; Sun, 12 Jul 2026 11:14:57 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="U/YVStak"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.19]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8A79F10E411 for ; Sun, 12 Jul 2026 11:14:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1783854895; x=1815390895; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=bfXAms5yq4WiPB1/cHki5r0Xw7l/5rabkHpcyXu+Uyo=; b=U/YVStakUsfeBfz8YJeREBMqtJ4FthOt+n6KC9MKraSWmvQMi/eR+hin Gz3sUjDFqeYwNf5e9xdvRZqcYXXxasY5lO+ZFLy7sYOKuEX/FItJv+dLY mXxwQKd6wWkX9/JObp4xekx11Mryl82fXfQwKe1TfJAbov9kvUwZtmHAw T9tzORYxMNLGgjbSqh2SLH/YJUf3Mj3UMJyEzr5/RhpSqSign8Kk29FO8 my5oWYRlTXcKhk+Xoklo4VkObIJ1/lhg0lH/lMyQt+Ksgy4pr0gt57ZG6 EZbmiIN/GlUy6oN4+BktlU1DFX8TgGl+NzLsEDX1HWhJhC/z9igeTINg7 Q==; X-CSE-ConnectionGUID: I3r9mYhQTz6fjGxByxASpw== X-CSE-MsgGUID: xISzCShtTgWP+Bix4BByfQ== X-IronPort-AV: E=McAfee;i="6800,10657,11841"; a="84457634" X-IronPort-AV: E=Sophos;i="6.25,154,1779174000"; d="scan'208";a="84457634" Received: from orviesa007.jf.intel.com ([10.64.159.147]) by orvoesa111.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Jul 2026 04:14:55 -0700 X-CSE-ConnectionGUID: 3og1JPZBQEez0VFNUNZrpg== X-CSE-MsgGUID: dBFtNLMbRB2e09GjS05MRg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,154,1779174000"; d="scan'208";a="255367719" Received: from gfx-coremm-kmd15.iind.intel.com ([10.223.55.8]) by orviesa007.jf.intel.com with ESMTP; 12 Jul 2026 04:14:55 -0700 From: Nareshkumar Gollakoti To: intel-xe@lists.freedesktop.org Cc: himal.prasad.ghimiray@intel.com, naresh.kumar.g@intel.com Subject: [PATCH v3 4/8] drm/xe: add XE_BO_FLAG_NEEDS_1G for minimum page-size sizing Date: Sun, 12 Jul 2026 16:45:13 +0530 Message-ID: <20260712111517.1956177-5-naresh.kumar.g@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260712111517.1956177-1-naresh.kumar.g@intel.com> References: <20260712111517.1956177-1-naresh.kumar.g@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" Add XE_BO_FLAG_NEEDS_1G to mark BOs that require 1G minimum page-size sizing. Update xe_bo_init_locked() to honor the new flag in the existing VRAM/stolen-memory minimum page-size sizing path. When XE_BO_FLAG_NEEDS_1G is set, the BO size is rounded up to 1G. Otherwise, the existing 2M and 64K sizing behavior is preserved. If multiple minimum page-size flags are set, the largest requirement takes precedence: 1G over 2M over 64K. v3 - commit message reworded Signed-off-by: Nareshkumar Gollakoti --- drivers/gpu/drm/xe/xe_bo.c | 12 ++++++++++-- drivers/gpu/drm/xe/xe_bo.h | 1 + 2 files changed, 11 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/xe/xe_bo.c b/drivers/gpu/drm/xe/xe_bo.c index 4c80bac67622..9dbf59fad421 100644 --- a/drivers/gpu/drm/xe/xe_bo.c +++ b/drivers/gpu/drm/xe/xe_bo.c @@ -2323,8 +2323,16 @@ struct xe_bo *xe_bo_init_locked(struct xe_device *xe, struct xe_bo *bo, if (flags & (XE_BO_FLAG_VRAM_MASK | XE_BO_FLAG_STOLEN) && !(flags & XE_BO_FLAG_IGNORE_MIN_PAGE_SIZE) && ((xe->info.vram_flags & XE_VRAM_FLAGS_NEED64K) || - (flags & (XE_BO_FLAG_NEEDS_64K | XE_BO_FLAG_NEEDS_2M)))) { - size_t align = flags & XE_BO_FLAG_NEEDS_2M ? SZ_2M : SZ_64K; + (flags & (XE_BO_FLAG_NEEDS_64K | XE_BO_FLAG_NEEDS_2M | + XE_BO_FLAG_NEEDS_1G)))) { + size_t align; + + if (flags & XE_BO_FLAG_NEEDS_1G) + align = SZ_1G; + else if (flags & XE_BO_FLAG_NEEDS_2M) + align = SZ_2M; + else + align = SZ_64K; aligned_size = ALIGN(size, align); if (type != ttm_bo_type_device) diff --git a/drivers/gpu/drm/xe/xe_bo.h b/drivers/gpu/drm/xe/xe_bo.h index 6340317f7d2e..d5d023cac367 100644 --- a/drivers/gpu/drm/xe/xe_bo.h +++ b/drivers/gpu/drm/xe/xe_bo.h @@ -52,6 +52,7 @@ #define XE_BO_FLAG_CPU_ADDR_MIRROR BIT(24) #define XE_BO_FLAG_FORCE_USER_VRAM BIT(25) #define XE_BO_FLAG_NO_COMPRESSION BIT(26) +#define XE_BO_FLAG_NEEDS_1G BIT(27) /* this one is trigger internally only */ #define XE_BO_FLAG_INTERNAL_TEST BIT(30) -- 2.43.0