From patchwork Tue Jan 21 01:53:05 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ramalingam C X-Patchwork-Id: 11343023 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 B9F1E92A for ; Tue, 21 Jan 2020 01:53:18 +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 9F87D2467A for ; Tue, 21 Jan 2020 01:53:18 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9F87D2467A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com 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 E31206EB6D; Tue, 21 Jan 2020 01:53:14 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTPS id DDCF16EB6C for ; Tue, 21 Jan 2020 01:53:13 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 20 Jan 2020 17:53:13 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.70,344,1574150400"; d="scan'208";a="426904367" Received: from ramaling-i9x.iind.intel.com ([10.99.66.154]) by fmsmga006.fm.intel.com with ESMTP; 20 Jan 2020 17:53:12 -0800 From: Ramalingam C To: intel-gfx , Chris Wilson Date: Tue, 21 Jan 2020 07:23:05 +0530 Message-Id: <20200121015305.10597-3-ramalingam.c@intel.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200121015305.10597-1-ramalingam.c@intel.com> References: <20200121015305.10597-1-ramalingam.c@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [RFC 2/2] drm/i915: implement dumb_size_available callback 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" dumb_size_available callback for drm_driver is implemented at I915. Signed-off-by: Ramalingam C --- drivers/gpu/drm/i915/i915_drv.c | 1 + drivers/gpu/drm/i915/i915_drv.h | 3 +++ drivers/gpu/drm/i915/i915_gem.c | 17 +++++++++++++++++ 3 files changed, 21 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index f7385abdd74b..8889e635d17d 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -2773,6 +2773,7 @@ static struct drm_driver driver = { .get_scanout_position = i915_get_crtc_scanoutpos, .dumb_create = i915_gem_dumb_create, + .dumb_size_available = i915_gem_dumb_size_available, .dumb_map_offset = i915_gem_dumb_mmap_offset, .ioctls = i915_ioctls, diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index e7be4c3e43c6..c6912453be67 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -1865,6 +1865,9 @@ i915_mutex_lock_interruptible(struct drm_device *dev) int i915_gem_dumb_create(struct drm_file *file_priv, struct drm_device *dev, struct drm_mode_create_dumb *args); +int i915_gem_dumb_size_available(struct drm_file *file_priv, + struct drm_device *dev, + uint64_t *avail_size); int __must_check i915_gem_set_global_seqno(struct drm_device *dev, u32 seqno); diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 94f993e4c12f..b8fbc4af7e6d 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -277,6 +277,23 @@ i915_gem_dumb_create(struct drm_file *file, &args->size, &args->handle); } +int i915_gem_dumb_size_available(struct drm_file *file, + struct drm_device *dev, uint64_t *avail_size) +{ + enum intel_memory_type mem_type = HAS_LMEM(to_i915(dev)) ? + INTEL_MEMORY_LOCAL : + INTEL_MEMORY_SYSTEM; + struct intel_memory_region *mr; + + mr = intel_memory_region_by_type(to_i915(dev), mem_type); + if (!mr) + return -EINVAL; + + *avail_size = mr->avail; + + return 0; +} + /** * Creates a new mm object and returns a handle to it. * @dev: drm device pointer