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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8A09DC433EF for ; Thu, 20 Jan 2022 20:40:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1377686AbiATUks (ORCPT ); Thu, 20 Jan 2022 15:40:48 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60770 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1377668AbiATUkq (ORCPT ); Thu, 20 Jan 2022 15:40:46 -0500 Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e3e3]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3CDC3C061574 for ; Thu, 20 Jan 2022 12:40:46 -0800 (PST) Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: bbeckett) with ESMTPSA id 0EFEF1F418B0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1642711244; bh=auL5iwvObCfBrtpG9CbNfkwKNfs8eziZAt49juwM40E=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=hg3rtvcjUM93/v13wWcM7M/7LNeOXXrDqA/q5nao+PltHLDp+yzWinLlGL6he73Kz /W2AtducJUB5DaCpejCmIZUzDHT3ycc3Y/XtshVkhDXcnLRNruUlzp1G7kpkJdKKWu GSPsla3UWDA+xlxHiL334gaDhc1pBwUsZtimGDjBG8y/UoCtuZBsbNgl1YA1DSpJcK k9WFC9ZXT1HVb8Ykq0Qn42020QYOF/+rQirpGu2jqcZI+7+vxiTJIpv+p5YK86Uz8h IpMbwx/Gh40qVhk50MINUL+pAnnOVrxZIGeUb+Fua+orHsMBeDy3oNcR+iUoxovAwS WGIwU37FVfJRQ== From: Robert Beckett To: Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , Tvrtko Ursulin , David Airlie , Daniel Vetter Cc: Ramalingam C , Matthew Auld , Robert Beckett , intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 1/5] drm/i915: add needs_compact_pt flag Date: Thu, 20 Jan 2022 20:37:16 +0000 Message-Id: <20220120203721.632424-2-bob.beckett@collabora.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220120203721.632424-1-bob.beckett@collabora.com> References: <20220120203721.632424-1-bob.beckett@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Ramalingam C Add a new platform flag, needs_compact_pt, to mark the requirement of compact pt layout support for the ppGTT when using 64K GTT pages. With this flag has_64k_pages will only indicate requirement of 64K GTT page sizes or larger for device local memory access. Suggested-by: Matthew Auld Signed-off-by: Ramalingam C Signed-off-by: Robert Beckett --- drivers/gpu/drm/i915/i915_drv.h | 10 +++++++--- drivers/gpu/drm/i915/i915_pci.c | 2 ++ drivers/gpu/drm/i915/intel_device_info.h | 1 + 3 files changed, 10 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 890f1f6fbc49..23f4713005bb 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -1512,12 +1512,16 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915, /* * Set this flag, when platform requires 64K GTT page sizes or larger for - * device local memory access. Also this flag implies that we require or - * at least support the compact PT layout for the ppGTT when using the 64K - * GTT pages. + * device local memory access. */ #define HAS_64K_PAGES(dev_priv) (INTEL_INFO(dev_priv)->has_64k_pages) +/* Set this flag when platform doesn't allow both 64k pages and 4k pages in + * the same PT. this flag means we need to support compact PT layout for the + * ppGTT when using the 64K GTT pages. + */ +#define NEEDS_COMPACT_PT(dev_priv) (INTEL_INFO(dev_priv)->needs_compact_pt) + #define HAS_IPC(dev_priv) (INTEL_INFO(dev_priv)->display.has_ipc) #define HAS_REGION(i915, i) (INTEL_INFO(i915)->memory_regions & (i)) diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c index 4081fd50ba9d..799b56569ef5 100644 --- a/drivers/gpu/drm/i915/i915_pci.c +++ b/drivers/gpu/drm/i915/i915_pci.c @@ -1028,6 +1028,7 @@ static const struct intel_device_info xehpsdv_info = { PLATFORM(INTEL_XEHPSDV), .display = { }, .has_64k_pages = 1, + .needs_compact_pt = 1, .platform_engine_mask = BIT(RCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VECS1) | BIT(VECS2) | BIT(VECS3) | @@ -1045,6 +1046,7 @@ static const struct intel_device_info dg2_info = { .media.rel = 55, PLATFORM(INTEL_DG2), .has_64k_pages = 1, + .needs_compact_pt = 1, .platform_engine_mask = BIT(RCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VECS1) | diff --git a/drivers/gpu/drm/i915/intel_device_info.h b/drivers/gpu/drm/i915/intel_device_info.h index 3699b1c539ea..c8aaf646430c 100644 --- a/drivers/gpu/drm/i915/intel_device_info.h +++ b/drivers/gpu/drm/i915/intel_device_info.h @@ -130,6 +130,7 @@ enum intel_ppgtt_type { /* Keep has_* in alphabetical order */ \ func(has_64bit_reloc); \ func(has_64k_pages); \ + func(needs_compact_pt); \ func(gpu_reset_clobbers_display); \ func(has_reset_engine); \ func(has_global_mocs); \ -- 2.25.1