From patchwork Thu Jul 2 16:36:22 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chris Wilson X-Patchwork-Id: 11639611 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id C87BE92A for ; Thu, 2 Jul 2020 16:36:30 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id B107720720 for ; Thu, 2 Jul 2020 16:36:30 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B107720720 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=chris-wilson.co.uk Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B50DF6EB22; Thu, 2 Jul 2020 16:36:28 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from fireflyinternet.com (mail.fireflyinternet.com [109.228.58.192]) by gabe.freedesktop.org (Postfix) with ESMTPS id 656336EB23 for ; Thu, 2 Jul 2020 16:36:27 +0000 (UTC) X-Default-Received-SPF: pass (skip=forwardok (res=PASS)) x-ip-name=78.156.65.138; Received: from build.alporthouse.com (unverified [78.156.65.138]) by fireflyinternet.com (Firefly Internet (M1)) with ESMTP id 21692659-1500050 for ; Thu, 02 Jul 2020 17:36:21 +0100 From: Chris Wilson To: intel-gfx@lists.freedesktop.org Date: Thu, 2 Jul 2020 17:36:22 +0100 Message-Id: <20200702163623.6402-1-chris@chris-wilson.co.uk> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Subject: [Intel-gfx] [CI 1/2] drm/i915/gem: Only revoke the GGTT mmappings on aperture detiling changes X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Only a GGTT mmapping will use the aperture detiling registers, so on a tiling change for an object, we only need to revoke those mmappings and not the CPU mmappings (which are always linear irrespective of the tiling). Signed-off-by: Chris Wilson Cc: Tvrtko Ursulin Reviewed-by: Tvrtko Ursulin --- drivers/gpu/drm/i915/gem/i915_gem_mman.c | 2 +- drivers/gpu/drm/i915/gem/i915_gem_mman.h | 5 ++++- drivers/gpu/drm/i915/gem/i915_gem_tiling.c | 2 +- 3 files changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/gem/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/i915_gem_mman.c index fe27c5b344e3..7c2650cfb070 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_mman.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_mman.c @@ -448,7 +448,7 @@ void __i915_gem_object_release_mmap_gtt(struct drm_i915_gem_object *obj) * mapping will then trigger a page fault on the next user access, allowing * fixup by vm_fault_gtt(). */ -static void i915_gem_object_release_mmap_gtt(struct drm_i915_gem_object *obj) +void i915_gem_object_release_mmap_gtt(struct drm_i915_gem_object *obj) { struct drm_i915_private *i915 = to_i915(obj->base.dev); intel_wakeref_t wakeref; diff --git a/drivers/gpu/drm/i915/gem/i915_gem_mman.h b/drivers/gpu/drm/i915/gem/i915_gem_mman.h index 862e01b7cb69..7c5ccdf59359 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_mman.h +++ b/drivers/gpu/drm/i915/gem/i915_gem_mman.h @@ -24,8 +24,11 @@ int i915_gem_dumb_mmap_offset(struct drm_file *file_priv, struct drm_device *dev, u32 handle, u64 *offset); -void __i915_gem_object_release_mmap_gtt(struct drm_i915_gem_object *obj); void i915_gem_object_release_mmap(struct drm_i915_gem_object *obj); + +void __i915_gem_object_release_mmap_gtt(struct drm_i915_gem_object *obj); +void i915_gem_object_release_mmap_gtt(struct drm_i915_gem_object *obj); + void i915_gem_object_release_mmap_offset(struct drm_i915_gem_object *obj); #endif diff --git a/drivers/gpu/drm/i915/gem/i915_gem_tiling.c b/drivers/gpu/drm/i915/gem/i915_gem_tiling.c index 0158e49bf9bb..ff72ee2fd9cd 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_tiling.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_tiling.c @@ -299,7 +299,7 @@ i915_gem_object_set_tiling(struct drm_i915_gem_object *obj, i915_gem_object_unlock(obj); /* Force the fence to be reacquired for GTT access */ - i915_gem_object_release_mmap(obj); + i915_gem_object_release_mmap_gtt(obj); /* Try to preallocate memory required to save swizzling on put-pages */ if (i915_gem_object_needs_bit17_swizzle(obj)) {