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Diffstat (limited to 'meta-r1000/recipes-kernel/linux/linux-yocto-4.14.71/4520-drm-amdkfd-Add-debugfs-interface-to-trigger-HWS-hang.patch')
-rw-r--r--meta-r1000/recipes-kernel/linux/linux-yocto-4.14.71/4520-drm-amdkfd-Add-debugfs-interface-to-trigger-HWS-hang.patch201
1 files changed, 0 insertions, 201 deletions
diff --git a/meta-r1000/recipes-kernel/linux/linux-yocto-4.14.71/4520-drm-amdkfd-Add-debugfs-interface-to-trigger-HWS-hang.patch b/meta-r1000/recipes-kernel/linux/linux-yocto-4.14.71/4520-drm-amdkfd-Add-debugfs-interface-to-trigger-HWS-hang.patch
deleted file mode 100644
index b6234e83..00000000
--- a/meta-r1000/recipes-kernel/linux/linux-yocto-4.14.71/4520-drm-amdkfd-Add-debugfs-interface-to-trigger-HWS-hang.patch
+++ /dev/null
@@ -1,201 +0,0 @@
-From 4cab61cd826409a97670a05d6e4bdf7557298b93 Mon Sep 17 00:00:00 2001
-From: Shaoyun Liu <Shaoyun.Liu@amd.com>
-Date: Tue, 8 May 2018 18:30:56 -0400
-Subject: [PATCH 4520/5725] drm/amdkfd: Add debugfs interface to trigger HWS
- hang
-
-Change-Id: I7c08975b93a734d3075654edecd716db3a8ee7ea
-Signed-off-by: Shaoyun Liu <Shaoyun.Liu@amd.com>
----
- drivers/gpu/drm/amd/amdkfd/kfd_debugfs.c | 48 ++++++++++++++++++++++
- drivers/gpu/drm/amd/amdkfd/kfd_device.c | 23 +++++++++++
- .../gpu/drm/amd/amdkfd/kfd_device_queue_manager.c | 12 ++++++
- drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c | 26 ++++++++++++
- drivers/gpu/drm/amd/amdkfd/kfd_priv.h | 4 ++
- 5 files changed, 113 insertions(+)
-
-diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_debugfs.c b/drivers/gpu/drm/amd/amdkfd/kfd_debugfs.c
-index 4bd6ebf..ab37d36 100644
---- a/drivers/gpu/drm/amd/amdkfd/kfd_debugfs.c
-+++ b/drivers/gpu/drm/amd/amdkfd/kfd_debugfs.c
-@@ -21,6 +21,8 @@
- */
-
- #include <linux/debugfs.h>
-+#include <linux/uaccess.h>
-+
- #include "kfd_priv.h"
-
- static struct dentry *debugfs_root;
-@@ -32,6 +34,38 @@ static int kfd_debugfs_open(struct inode *inode, struct file *file)
- return single_open(file, show, NULL);
- }
-
-+static ssize_t kfd_debugfs_hang_hws_write(struct file *file,
-+ const char __user *user_buf, size_t size, loff_t *ppos)
-+{
-+ struct kfd_dev *dev;
-+ char tmp[16];
-+ uint32_t gpu_id;
-+ int ret = -EINVAL;
-+
-+ memset(tmp, 0, 16);
-+ if (size >= 16) {
-+ pr_err("Invalid input for gpu id.\n");
-+ goto out;
-+ }
-+ if (copy_from_user(tmp, user_buf, size)) {
-+ ret = -EFAULT;
-+ goto out;
-+ }
-+ if (kstrtoint(tmp, 10, &gpu_id)) {
-+ pr_err("Invalid input for gpu id.\n");
-+ goto out;
-+ }
-+ dev = kfd_device_by_id(gpu_id);
-+ if (dev) {
-+ kfd_debugfs_hang_hws(dev);
-+ ret = size;
-+ } else
-+ pr_err("Cannot find device %d.\n", gpu_id);
-+
-+out:
-+ return ret;
-+}
-+
- static const struct file_operations kfd_debugfs_fops = {
- .owner = THIS_MODULE,
- .open = kfd_debugfs_open,
-@@ -40,6 +74,15 @@ static const struct file_operations kfd_debugfs_fops = {
- .release = single_release,
- };
-
-+static const struct file_operations kfd_debugfs_hang_hws_fops = {
-+ .owner = THIS_MODULE,
-+ .open = kfd_debugfs_open,
-+ .read = seq_read,
-+ .write = kfd_debugfs_hang_hws_write,
-+ .llseek = seq_lseek,
-+ .release = single_release,
-+};
-+
- void kfd_debugfs_init(void)
- {
- struct dentry *ent;
-@@ -65,6 +108,11 @@ void kfd_debugfs_init(void)
- ent = debugfs_create_file("rls", S_IFREG | 0444, debugfs_root,
- kfd_debugfs_rls_by_device,
- &kfd_debugfs_fops);
-+
-+ ent = debugfs_create_file("hang_hws", S_IFREG | 0644, debugfs_root,
-+ NULL,
-+ &kfd_debugfs_hang_hws_fops);
-+
- if (!ent)
- pr_warn("Failed to create rls in kfd debugfs\n");
- }
-diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device.c b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
-index 4ae2b07..0c4703c 100644
---- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c
-+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
-@@ -945,3 +945,26 @@ int kfd_gtt_sa_free(struct kfd_dev *kfd, struct kfd_mem_obj *mem_obj)
- kfree(mem_obj);
- return 0;
- }
-+
-+#if defined(CONFIG_DEBUG_FS)
-+
-+/* This function will send a package to HIQ to hang the HWS
-+ * which will trigger a GPU reset and bring the HWS back to normal state
-+ */
-+int kfd_debugfs_hang_hws(struct kfd_dev *dev)
-+{
-+ int r = 0;
-+
-+ if (dev->dqm->sched_policy != KFD_SCHED_POLICY_HWS) {
-+ pr_err("HWS is not enabled");
-+ return -EINVAL;
-+ }
-+
-+ r = pm_debugfs_hang_hws(&dev->dqm->packets);
-+ if (!r)
-+ r = dqm_debugfs_execute_queues(dev->dqm);
-+
-+ return r;
-+}
-+
-+#endif
-diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
-index d7822e2..2c5d330 100644
---- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
-+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
-@@ -1855,4 +1855,16 @@ int dqm_debugfs_hqds(struct seq_file *m, void *data)
- return r;
- }
-
-+int dqm_debugfs_execute_queues(struct device_queue_manager *dqm)
-+{
-+ int r = 0;
-+
-+ mutex_lock(&dqm->lock);
-+ dqm->active_runlist = true;
-+ r = execute_queues_cpsch(dqm, KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES, 0);
-+ mutex_unlock(&dqm->lock);
-+
-+ return r;
-+}
-+
- #endif
-diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c
-index c317feb4..1092631 100644
---- a/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c
-+++ b/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c
-@@ -418,4 +418,30 @@ int pm_debugfs_runlist(struct seq_file *m, void *data)
- return 0;
- }
-
-+int pm_debugfs_hang_hws(struct packet_manager *pm)
-+{
-+ uint32_t *buffer, size;
-+ int r = 0;
-+
-+ size = pm->pmf->query_status_size;
-+ mutex_lock(&pm->lock);
-+ pm->priv_queue->ops.acquire_packet_buffer(pm->priv_queue,
-+ size / sizeof(uint32_t), (unsigned int **)&buffer);
-+ if (!buffer) {
-+ pr_err("Failed to allocate buffer on kernel queue\n");
-+ r = -ENOMEM;
-+ goto out;
-+ }
-+ memset(buffer, 0x55, size);
-+ pm->priv_queue->ops.submit_packet(pm->priv_queue);
-+
-+ pr_info("Submitting %x %x %x %x %x %x %x to HIQ to hang the HWS.",
-+ buffer[0], buffer[1], buffer[2], buffer[3],
-+ buffer[4], buffer[5], buffer[6]);
-+out:
-+ mutex_unlock(&pm->lock);
-+ return r;
-+}
-+
-+
- #endif
-diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
-index fffdec6..c63a6b0 100644
---- a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
-+++ b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
-@@ -1108,6 +1108,10 @@ int dqm_debugfs_hqds(struct seq_file *m, void *data);
- int kfd_debugfs_rls_by_device(struct seq_file *m, void *data);
- int pm_debugfs_runlist(struct seq_file *m, void *data);
-
-+int kfd_debugfs_hang_hws(struct kfd_dev *dev);
-+int pm_debugfs_hang_hws(struct packet_manager *pm);
-+int dqm_debugfs_execute_queues(struct device_queue_manager *dqm);
-+
- #else
-
- static inline void kfd_debugfs_init(void) {}
---
-2.7.4
-
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-06-01 12:56:53 +0000