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([2a02:810d:4b3f:de78:642:1aff:fe31:a19f]) by smtp.gmail.com with ESMTPSA id v26-20020a1709060b5a00b008b1787ce722sm1516323ejg.152.2023.02.17.05.49.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 17 Feb 2023 05:49:06 -0800 (PST) From: Danilo Krummrich To: airlied@gmail.com, daniel@ffwll.ch, tzimmermann@suse.de, mripard@kernel.org, corbet@lwn.net, christian.koenig@amd.com, bskeggs@redhat.com, Liam.Howlett@oracle.com, matthew.brost@intel.com, boris.brezillon@collabora.com, alexdeucher@gmail.com, ogabbay@kernel.org, bagasdotme@gmail.com, willy@infradead.org, jason@jlekstrand.net Cc: dri-devel@lists.freedesktop.org, nouveau@lists.freedesktop.org, linux-doc@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Danilo Krummrich Subject: [PATCH drm-next v2 16/16] drm/nouveau: debugfs: implement DRM GPU VA debugfs Date: Fri, 17 Feb 2023 14:48:20 +0100 Message-Id: <20230217134820.14672-11-dakr@redhat.com> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230217134422.14116-1-dakr@redhat.com> References: <20230217134422.14116-1-dakr@redhat.com> MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H2,SPF_HELO_NONE,SPF_NONE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1758087776567382559?= X-GMAIL-MSGID: =?utf-8?q?1758087776567382559?= Provide the driver indirection iterating over all DRM GPU VA spaces to enable the common 'gpuvas' debugfs file for dumping DRM GPU VA spaces. Signed-off-by: Danilo Krummrich --- drivers/gpu/drm/nouveau/nouveau_debugfs.c | 24 +++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/drivers/gpu/drm/nouveau/nouveau_debugfs.c b/drivers/gpu/drm/nouveau/nouveau_debugfs.c index 2a36d1ca8fda..7f6ccc5d1d86 100644 --- a/drivers/gpu/drm/nouveau/nouveau_debugfs.c +++ b/drivers/gpu/drm/nouveau/nouveau_debugfs.c @@ -202,6 +202,29 @@ nouveau_debugfs_pstate_open(struct inode *inode, struct file *file) return single_open(file, nouveau_debugfs_pstate_get, inode->i_private); } +static int +nouveau_debugfs_gpuva(struct seq_file *m, void *data) +{ + struct drm_info_node *node = (struct drm_info_node *) m->private; + struct nouveau_drm *drm = nouveau_drm(node->minor->dev); + struct nouveau_cli *cli; + + mutex_lock(&drm->clients_lock); + list_for_each_entry(cli, &drm->clients, head) { + struct nouveau_uvmm *uvmm = nouveau_cli_uvmm(cli); + + if (!uvmm) + continue; + + nouveau_uvmm_lock(uvmm); + drm_debugfs_gpuva_info(m, &uvmm->umgr); + nouveau_uvmm_unlock(uvmm); + } + mutex_unlock(&drm->clients_lock); + + return 0; +} + static const struct file_operations nouveau_pstate_fops = { .owner = THIS_MODULE, .open = nouveau_debugfs_pstate_open, @@ -213,6 +236,7 @@ static const struct file_operations nouveau_pstate_fops = { static struct drm_info_list nouveau_debugfs_list[] = { { "vbios.rom", nouveau_debugfs_vbios_image, 0, NULL }, { "strap_peek", nouveau_debugfs_strap_peek, 0, NULL }, + DRM_DEBUGFS_GPUVA_INFO(nouveau_debugfs_gpuva, NULL), }; #define NOUVEAU_DEBUGFS_ENTRIES ARRAY_SIZE(nouveau_debugfs_list)