From patchwork Tue Dec 24 08:43:00 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ramalingam C X-Patchwork-Id: 11309219 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 AA477921 for ; Tue, 24 Dec 2019 08:43:45 +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 9288C20706 for ; Tue, 24 Dec 2019 08:43:45 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9288C20706 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 1D0FA6E2ED; Tue, 24 Dec 2019 08:43:45 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by gabe.freedesktop.org (Postfix) with ESMTPS id 5E6B86E2ED for ; Tue, 24 Dec 2019 08:43:44 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga007.jf.intel.com ([10.7.209.58]) by fmsmga105.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 24 Dec 2019 00:43:44 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.69,350,1571727600"; d="scan'208";a="207526246" Received: from ramaling-i9x.iind.intel.com ([10.99.66.154]) by orsmga007.jf.intel.com with ESMTP; 24 Dec 2019 00:43:41 -0800 From: Ramalingam C To: intel-gfx Date: Tue, 24 Dec 2019 14:13:00 +0530 Message-Id: <20191224084300.5435-1-ramalingam.c@intel.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v4] drm/i915/lmem: debugfs for LMEM details 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" From: Lukasz Fiedorowicz Debugfs i915_gem_object is extended to enable the IGTs to detect the LMEM's availability and the total size of LMEM. v2: READ_ONCE is used [Chris] v3: %pa is used for printing the resource [Chris] v4: All regions' details added to debugfs [Chris] Signed-off-by: Lukasz Fiedorowicz Signed-off-by: Matthew Auld Signed-off-by: Stuart Summers Signed-off-by: Ramalingam C Cc: Joonas Lahtinen --- drivers/gpu/drm/i915/i915_debugfs.c | 12 +++++++++++- drivers/gpu/drm/i915/intel_memory_region.c | 19 ++++++++++++++++++- drivers/gpu/drm/i915/intel_memory_region.h | 4 ++++ 3 files changed, 33 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index d28468eaed57..35f8db7690a5 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -367,13 +367,23 @@ static void print_context_stats(struct seq_file *m, static int i915_gem_object_info(struct seq_file *m, void *data) { struct drm_i915_private *i915 = node_to_i915(m->private); + struct intel_memory_region *mem; + enum intel_region_id id; seq_printf(m, "%u shrinkable [%u free] objects, %llu bytes\n", i915->mm.shrink_count, atomic_read(&i915->mm.free_count), i915->mm.shrink_memory); - seq_putc(m, '\n'); + for (id = INTEL_REGION_SMEM; id < INTEL_REGION_UNKNOWN; id++) { + mem = i915->mm.regions[id]; + if (!mem) + continue; + + seq_printf(m, "%s total: %pa bytes, available %pa bytes\n", + intel_get_mem_region_name(mem), &mem->total, + &mem->avail); + } print_context_stats(m, i915); diff --git a/drivers/gpu/drm/i915/intel_memory_region.c b/drivers/gpu/drm/i915/intel_memory_region.c index e24c280e5930..824aa13e993d 100644 --- a/drivers/gpu/drm/i915/intel_memory_region.c +++ b/drivers/gpu/drm/i915/intel_memory_region.c @@ -10,6 +10,20 @@ #define REGION_MAP(type, inst) \ BIT((type) + INTEL_MEMORY_TYPE_SHIFT) | BIT(inst) +char *intel_get_mem_region_name(struct intel_memory_region *mem) +{ + switch (MEMORY_TYPE_FROM_REGION(mem->id)) { + case INTEL_REGION_SMEM: + return "SYSTEM MEM"; + case INTEL_REGION_LMEM: + return "LOCAL MEM"; + case INTEL_REGION_STOLEN: + return "STOLEN MEM"; + default: + return NULL; + } +} + const u32 intel_region_map[] = { [INTEL_REGION_SMEM] = REGION_MAP(INTEL_MEMORY_SYSTEM, 0), [INTEL_REGION_LMEM] = REGION_MAP(INTEL_MEMORY_LOCAL, 0), @@ -37,7 +51,7 @@ __intel_memory_region_put_pages_buddy(struct intel_memory_region *mem, struct list_head *blocks) { mutex_lock(&mem->mm_lock); - intel_memory_region_free_pages(mem, blocks); + mem->avail += intel_memory_region_free_pages(mem, blocks); mutex_unlock(&mem->mm_lock); } @@ -106,6 +120,7 @@ __intel_memory_region_get_pages_buddy(struct intel_memory_region *mem, break; } while (1); + mem->avail -= size; mutex_unlock(&mem->mm_lock); return 0; @@ -164,6 +179,8 @@ intel_memory_region_create(struct drm_i915_private *i915, mem->io_start = io_start; mem->min_page_size = min_page_size; mem->ops = ops; + mem->total = size; + mem->avail = mem->total; mutex_init(&mem->objects.lock); INIT_LIST_HEAD(&mem->objects.list); diff --git a/drivers/gpu/drm/i915/intel_memory_region.h b/drivers/gpu/drm/i915/intel_memory_region.h index 238722009677..c312f93fc94d 100644 --- a/drivers/gpu/drm/i915/intel_memory_region.h +++ b/drivers/gpu/drm/i915/intel_memory_region.h @@ -82,6 +82,8 @@ struct intel_memory_region { resource_size_t io_start; resource_size_t min_page_size; + resource_size_t total; + resource_size_t avail; unsigned int type; unsigned int instance; @@ -96,6 +98,8 @@ struct intel_memory_region { } objects; }; +char *intel_get_mem_region_name(struct intel_memory_region *mem); + int intel_memory_region_init_buddy(struct intel_memory_region *mem); void intel_memory_region_release_buddy(struct intel_memory_region *mem);