From patchwork Tue Dec 13 16:05:12 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Matthew Auld X-Patchwork-Id: 9472641 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id DD9D26021C for ; Tue, 13 Dec 2016 16:05:33 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D0127285DC for ; Tue, 13 Dec 2016 16:05:33 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id C3C6928625; Tue, 13 Dec 2016 16:05:33 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 3C3A6285DC for ; Tue, 13 Dec 2016 16:05:33 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 954136E5F3; Tue, 13 Dec 2016 16:05:32 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTPS id B32CE6E5F7 for ; Tue, 13 Dec 2016 16:05:19 +0000 (UTC) Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga102.fm.intel.com with ESMTP; 13 Dec 2016 08:05:18 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.33,342,1477983600"; d="scan'208";a="42134627" Received: from idodin-mobl.ger.corp.intel.com (HELO mwahaha.ger.corp.intel.com) ([10.252.20.12]) by fmsmga006.fm.intel.com with ESMTP; 13 Dec 2016 08:05:16 -0800 From: Matthew Auld To: intel-gfx@lists.freedesktop.org Date: Tue, 13 Dec 2016 16:05:12 +0000 Message-Id: <20161213160512.7008-3-matthew.auld@intel.com> X-Mailer: git-send-email 2.9.3 In-Reply-To: <20161213160512.7008-1-matthew.auld@intel.com> References: <20161213160512.7008-1-matthew.auld@intel.com> Subject: [Intel-gfx] [PATCH 3/3] drm/i915: don't open code the pdpe/pml4e clearing X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP Now that it's obvious what the helpers do, we can simplify the code somewhat by using them when clearing the pdpe/pml4e with the relevant scratch entry. Cc: Joonas Lahtinen Cc: Chris Wilson Signed-off-by: Matthew Auld Reviewed-by: Michał Winiarski --- drivers/gpu/drm/i915/i915_gem_gtt.c | 16 ++-------------- 1 file changed, 2 insertions(+), 14 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index e7931ab03dec..f7ab3c4f64b2 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -793,9 +793,6 @@ static bool gen8_ppgtt_clear_pdp(struct i915_address_space *vm, struct i915_hw_ppgtt *ppgtt = i915_vm_to_ppgtt(vm); struct i915_page_directory *pd; uint64_t pdpe; - gen8_ppgtt_pdpe_t *pdpe_vaddr; - gen8_ppgtt_pdpe_t scratch_pdpe = - gen8_pdpe_encode(px_dma(vm->scratch_pd), I915_CACHE_LLC); gen8_for_each_pdpe(pd, pdp, start, length, pdpe) { if (WARN_ON(!pdp->page_directory[pdpe])) @@ -803,11 +800,7 @@ static bool gen8_ppgtt_clear_pdp(struct i915_address_space *vm, if (gen8_ppgtt_clear_pd(vm, pd, start, length)) { __clear_bit(pdpe, pdp->used_pdpes); - if (USES_FULL_48BIT_PPGTT(dev_priv)) { - pdpe_vaddr = kmap_px(pdp); - pdpe_vaddr[pdpe] = scratch_pdpe; - kunmap_px(ppgtt, pdpe_vaddr); - } + gen8_setup_pdpe(ppgtt, pdp, vm->scratch_pd, pdpe); free_pd(vm->i915, pd); } } @@ -832,9 +825,6 @@ static void gen8_ppgtt_clear_pml4(struct i915_address_space *vm, struct i915_hw_ppgtt *ppgtt = i915_vm_to_ppgtt(vm); struct i915_page_directory_pointer *pdp; uint64_t pml4e; - gen8_ppgtt_pml4e_t *pml4e_vaddr; - gen8_ppgtt_pml4e_t scratch_pml4e = - gen8_pml4e_encode(px_dma(vm->scratch_pdp), I915_CACHE_LLC); GEM_BUG_ON(!USES_FULL_48BIT_PPGTT(vm->i915)); @@ -844,9 +834,7 @@ static void gen8_ppgtt_clear_pml4(struct i915_address_space *vm, if (gen8_ppgtt_clear_pdp(vm, pdp, start, length)) { __clear_bit(pml4e, pml4->used_pml4es); - pml4e_vaddr = kmap_px(pml4); - pml4e_vaddr[pml4e] = scratch_pml4e; - kunmap_px(ppgtt, pml4e_vaddr); + gen8_setup_pml4e(ppgtt, pml4, vm->scratch_pdp, pml4e); free_pdp(vm->i915, pdp); } }