search for: config_debug_fs

When CONFIG_DEBUG_FS=y and CONFIG_OCFS2_FS_STATS=n, we get the following warning: fs/ocfs2/cluster/tcp.c:213:16: warning: ?o2net_get_func_run_time? defined but not used Since o2net_get_func_run_time is only called from o2net_update_recv_stats, so move it under CONFIG_OCFS2_FS_STATS. Signed-off-by: Rakib Mullick <...

...when the driver exits. + */ +struct nvif_log { + struct list_head head; I suggest to call this 'entry', since that's what it actually represents, and entry in a list. Oh yeah, I see what you mean now. Done. + void (*shutdown)(struct nvif_log *log); +}; + +#ifdef CONFIG_DEBUG_FS +/** + * gsp_logs - list of nvif_log GSP-RM logging buffers + * + * Head pointer to a a list of nvif_log buffers that is created for each GPU + * upon GSP shutdown if the "keep_gsp_logging" command-line parameter is + * specified. This is used to track the alternative debugfs entri...

...u/drm/nouveau/nouveau_debugfs.c b/drivers/gpu/drm/nouveau/nouveau_debugfs.c index 1ac871b..6ccafd3 100644 --- a/drivers/gpu/drm/nouveau/nouveau_debugfs.c +++ b/drivers/gpu/drm/nouveau/nouveau_debugfs.c @@ -33,7 +33,6 @@ #include "drmP.h" #include "nouveau_drv.h" -#if defined(CONFIG_DEBUG_FS) static int nouveau_debugfs_channel_info(struct seq_file *m, void *data) { @@ -154,4 +153,3 @@ nouveau_debugfs_takedown(struct drm_minor *minor) drm_debugfs_remove_files(nouveau_debugfs_list, NOUVEAU_DEBUGFS_ENTRIES, minor); } -#endif diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.c b...

.../cluster/tcp.c b/fs/ocfs2/cluster/tcp.c index a27d615..2bcf706 100644 --- a/fs/ocfs2/cluster/tcp.c +++ b/fs/ocfs2/cluster/tcp.c @@ -143,8 +143,8 @@ static void o2net_sc_postpone_idle(struct o2net_sock_container *sc); static void o2net_sc_reset_idle_timer(struct o2net_sock_container *sc); #ifdef CONFIG_DEBUG_FS -void o2net_init_nst(struct o2net_send_tracking *nst, u32 msgtype, - u32 msgkey, struct task_struct *task, u8 node) +static void o2net_init_nst(struct o2net_send_tracking *nst, u32 msgtype, + u32 msgkey, struct task_struct *task, u8 node) { INIT_LIST_HEAD(&nst->st_net_debug_item...

...ude <linux/i2c.h> +#include <linux/debugfs.h> #include <drm/drm_dp_mst_helper.h> #include <drm/drmP.h> @@ -3154,6 +3155,104 @@ struct drm_dp_mst_topology_state *drm_atomic_get_mst_topology_state(struct drm_a } EXPORT_SYMBOL(drm_atomic_get_mst_topology_state); +#ifdef CONFIG_DEBUG_FS +static int drm_dp_mst_debugfs_state_show(struct seq_file *m, void *data) +{ + drm_dp_mst_dump_topology(m, m->private); + return 0; +} + +static int drm_dp_mst_debugfs_state_open(struct inode *inode, + struct file *file) +{ + struct drm_dp_mst_topology_mgr *mgr = inode->i_private; + + re...

...644 index 000000000000..1ebb58f0f7df --- /dev/null +++ b/drivers/gpu/drm/nouveau/include/nvif/log.h @@ -0,0 +1,53 @@ +/* SPDX-License-Identifier: MIT */ +/* SPDX-FileCopyrightText: Copyright (c) 2024 NVIDIA CORPORATION & AFFILIATES. */ + +#ifndef __NVIF_LOG_H__ +#define __NVIF_LOG_H__ + +#ifdef CONFIG_DEBUG_FS + +/** + * nvif_log - structure for tracking logging buffers + * @entry: an entry in a list of struct nvif_logs + * @shutdown: pointer to function to call to clean up + * + * Structure used to track logging buffers so that they can be cleaned up + * when the module exits. + * + * The @shutdown func...

...D_INIT(_log.entry) } + +static inline void nvif_log_shutdown(struct list_head *logs) +{ + if (!list_empty(logs)) { + struct nvif_log *log, *n; + + list_for_each_entry_safe(log, n, logs, entry) { + /* shutdown() should also delete the log entry */ + log->shutdown(log); + } + } +} + +#ifdef CONFIG_DEBUG_FS +/** + * gsp_logs - list of nvif_log GSP-RM logging buffers + * + * Head pointer to a a list of nvif_log buffers that is created for each GPU + * upon GSP shutdown if the "keep_gsp_logging" command-line parameter is + * specified. This is used to track the alternative debugfs entries for...

fixes a compile error Signed-off-by: Karol Herbst <nouveau at karolherbst.de> --- drm/nouveau/nouveau_debugfs.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drm/nouveau/nouveau_debugfs.h b/drm/nouveau/nouveau_debugfs.h index 52c7161..b8c03ff 100644 --- a/drm/nouveau/nouveau_debugfs.h +++ b/drm/nouveau/nouveau_debugfs.h @@ -34,13 +34,13 @@

...pa/pds/Makefile b/drivers/vdpa/pds/Makefile index 2e22418e3ab3..c2d314d4614d 100644 --- a/drivers/vdpa/pds/Makefile +++ b/drivers/vdpa/pds/Makefile @@ -5,6 +5,5 @@ obj-$(CONFIG_PDS_VDPA) := pds_vdpa.o pds_vdpa-y := aux_drv.o \ cmds.o \ + debugfs.o \ vdpa_dev.o - -pds_vdpa-$(CONFIG_DEBUG_FS) += debugfs.o -- 2.17.1

Store the struct device pointer used to allocate the DMA buffer in the nvkm_gsp_mem object. This allows nvkm_gsp_mem_dtor() to release the buffer without needing the nvkm_gsp. This is needed so that we can retain DMA buffers even after the nvkm_gsp object is deleted. Signed-off-by: Timur Tabi <ttabi at nvidia.com> --- .../gpu/drm/nouveau/include/nvkm/subdev/gsp.h | 1 +

Store the struct device pointer used to allocate the DMA buffer in the nvkm_gsp_mem object. This allows nvkm_gsp_mem_dtor() to release the buffer without needing the nvkm_gsp. This is needed so that we can retain DMA buffers even after the nvkm_gsp object is deleted. Signed-off-by: Timur Tabi <ttabi at nvidia.com> --- v2: rebased to drm-misc-next

...u/drm/nouveau/nouveau_debugfs.c b/drivers/gpu/drm/nouveau/nouveau_debugfs.c index 1ac871b..6ccafd3 100644 --- a/drivers/gpu/drm/nouveau/nouveau_debugfs.c +++ b/drivers/gpu/drm/nouveau/nouveau_debugfs.c @@ -33,7 +33,6 @@ #include "drmP.h" #include "nouveau_drv.h" -#if defined(CONFIG_DEBUG_FS) static int nouveau_debugfs_channel_info(struct seq_file *m, void *data) { @@ -154,4 +153,3 @@ nouveau_debugfs_takedown(struct drm_minor *minor) drm_debugfs_remove_files(nouveau_debugfs_list, NOUVEAU_DEBUGFS_ENTRIES, minor); } -#endif diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.c b...

...; +{ > + if (!list_empty(&logs->head)) { > + struct nvif_log *log, *n; > + > + list_for_each_entry_safe(log, n, &logs->head, entry) { > + /* shutdown() should also delete the log entry */ > + log->shutdown(log); > + } > + } > +} > + > +#ifdef CONFIG_DEBUG_FS > +/** > + * gsp_logs - list of nvif_log GSP-RM logging buffers > + * > + * Head pointer to a a list of nvif_log buffers that is created for each GPU > + * upon GSP shutdown if the "keep_gsp_logging" command-line parameter is > + * specified. This is used to track the al...

Store the struct device pointer used to allocate the DMA buffer in the nvkm_gsp_mem object. This allows nvkm_gsp_mem_dtor() to release the buffer without needing the nvkm_gsp. This is needed so that we can retain DMA buffers even after the nvkm_gsp object is deleted. Signed-off-by: Timur Tabi <ttabi at nvidia.com> --- Notes: v2: added get/put_device calls

...c7c60fb14d3..4a9a9b9c3935 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drm.c +++ b/drivers/gpu/drm/nouveau/nouveau_drm.c @@ -1303,7 +1303,6 @@ driver_stub = { DRIVER_RENDER, .open = nouveau_drm_open, .postclose = nouveau_drm_postclose, - .lastclose = nouveau_vga_lastclose, #if defined(CONFIG_DEBUG_FS) .debugfs_init = nouveau_drm_debugfs_init, diff --git a/drivers/gpu/drm/nouveau/nouveau_vga.c b/drivers/gpu/drm/nouveau/nouveau_vga.c index 2525e08938b3..ee637f1fe03d 100644 --- a/drivers/gpu/drm/nouveau/nouveau_vga.c +++ b/drivers/gpu/drm/nouveau/nouveau_vga.c @@ -127,10 +127,3 @@ nouveau_vga_fi...

Looks like I made the mistake of forgetting to check whether or not this would build without CONFIG_DEBUG_FS, as the Kbuild bot reported some issues building with tegra_defconfig: In file included from drivers/gpu/drm/nouveau/nouveau_display.c:47: ./drivers/gpu/drm/nouveau/dispnv50/crc.h: In function ?nv50_head_crc_late_register?: ./drivers/gpu/drm/nouveau/dispnv50/crc.h:106:47: error: parameter name omi...

Store the struct device pointer used to allocate the DMA buffer in the nvkm_gsp_mem object. This allows nvkm_gsp_mem_dtor() to release the buffer without needing the nvkm_gsp. This is needed so that we can retain DMA buffers even after the nvkm_gsp object is deleted. Signed-off-by: Timur Tabi <ttabi at nvidia.com> v2: added get/put_device calls ---

Store the struct device pointer used to allocate the DMA buffer in the nvkm_gsp_mem object. This allows nvkm_gsp_mem_dtor() to release the buffer without needing the nvkm_gsp. This is needed so that we can retain DMA buffers even after the nvkm_gsp object is deleted. Signed-off-by: Timur Tabi <ttabi at nvidia.com> --- .../gpu/drm/nouveau/include/nvkm/subdev/gsp.h | 1 +

...(struct list_head *logs) > +{ > + if (!list_empty(logs)) { > + struct nvif_log *log, *n; > + > + list_for_each_entry_safe(log, n, logs, entry) { > + /* shutdown() should also delete the log entry */ > + log->shutdown(log); > + } > + } > +} > + > +#ifdef CONFIG_DEBUG_FS > +/** > + * gsp_logs - list of nvif_log GSP-RM logging buffers > + * > + * Head pointer to a a list of nvif_log buffers that is created for each GPU > + * upon GSP shutdown if the "keep_gsp_logging" command-line parameter is > + * specified. This is used to track the al...

This is the next version of my patch series for teaching DRM how to automatically create debugfs nodes for drivers with MST topologies. This was originally intended just for nouveau, but has since been expanded to all DRM drivers. Changes since previous version: - Fix documentation error that got noticed by the kbuild bot in "drm/dp_mst: Pass entire connector to