From 071106ecf68c401173c58808b1cf5f68cc50d390 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 05 Jan 2024 08:39:27 +0000
Subject: [PATCH] change wifi driver to cypress

---
 kernel/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c |  818 ++++++++++++++++++++++++++++++++++++++++++++++++++++++----
 1 files changed, 759 insertions(+), 59 deletions(-)

diff --git a/kernel/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c b/kernel/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
index ee4a0b7..00a1909 100644
--- a/kernel/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
+++ b/kernel/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
@@ -24,9 +24,17 @@
  */
 
 #include <linux/kthread.h>
-#include <drm/drmP.h>
-#include <linux/debugfs.h>
+#include <linux/pci.h>
+#include <linux/uaccess.h>
+#include <linux/pm_runtime.h>
+#include <linux/poll.h>
+#include <drm/drm_debugfs.h>
+
 #include "amdgpu.h"
+#include "amdgpu_pm.h"
+#include "amdgpu_dm_debugfs.h"
+#include "amdgpu_ras.h"
+#include "amdgpu_rap.h"
 
 /**
  * amdgpu_debugfs_add_files - Add simple debugfs entries
@@ -61,13 +69,91 @@
 	adev->debugfs_count = i;
 #if defined(CONFIG_DEBUG_FS)
 	drm_debugfs_create_files(files, nfiles,
-				 adev->ddev->primary->debugfs_root,
-				 adev->ddev->primary);
+				 adev_to_drm(adev)->primary->debugfs_root,
+				 adev_to_drm(adev)->primary);
+#endif
+	return 0;
+}
+
+int amdgpu_debugfs_wait_dump(struct amdgpu_device *adev)
+{
+#if defined(CONFIG_DEBUG_FS)
+	unsigned long timeout = 600 * HZ;
+	int ret;
+
+	wake_up_interruptible(&adev->autodump.gpu_hang);
+
+	ret = wait_for_completion_interruptible_timeout(&adev->autodump.dumping, timeout);
+	if (ret == 0) {
+		pr_err("autodump: timeout, move on to gpu recovery\n");
+		return -ETIMEDOUT;
+	}
 #endif
 	return 0;
 }
 
 #if defined(CONFIG_DEBUG_FS)
+
+static int amdgpu_debugfs_autodump_open(struct inode *inode, struct file *file)
+{
+	struct amdgpu_device *adev = inode->i_private;
+	int ret;
+
+	file->private_data = adev;
+
+	ret = down_read_killable(&adev->reset_sem);
+	if (ret)
+		return ret;
+
+	if (adev->autodump.dumping.done) {
+		reinit_completion(&adev->autodump.dumping);
+		ret = 0;
+	} else {
+		ret = -EBUSY;
+	}
+
+	up_read(&adev->reset_sem);
+
+	return ret;
+}
+
+static int amdgpu_debugfs_autodump_release(struct inode *inode, struct file *file)
+{
+	struct amdgpu_device *adev = file->private_data;
+
+	complete_all(&adev->autodump.dumping);
+	return 0;
+}
+
+static unsigned int amdgpu_debugfs_autodump_poll(struct file *file, struct poll_table_struct *poll_table)
+{
+	struct amdgpu_device *adev = file->private_data;
+
+	poll_wait(file, &adev->autodump.gpu_hang, poll_table);
+
+	if (amdgpu_in_reset(adev))
+		return POLLIN | POLLRDNORM | POLLWRNORM;
+
+	return 0;
+}
+
+static const struct file_operations autodump_debug_fops = {
+	.owner = THIS_MODULE,
+	.open = amdgpu_debugfs_autodump_open,
+	.poll = amdgpu_debugfs_autodump_poll,
+	.release = amdgpu_debugfs_autodump_release,
+};
+
+static void amdgpu_debugfs_autodump_init(struct amdgpu_device *adev)
+{
+	init_completion(&adev->autodump.dumping);
+	complete_all(&adev->autodump.dumping);
+	init_waitqueue_head(&adev->autodump.gpu_hang);
+
+	debugfs_create_file("amdgpu_autodump", 0600,
+		adev_to_drm(adev)->primary->debugfs_root,
+		adev, &autodump_debug_fops);
+}
 
 /**
  * amdgpu_debugfs_process_reg_op - Handle MMIO register reads/writes
@@ -103,10 +189,10 @@
 	ssize_t result = 0;
 	int r;
 	bool pm_pg_lock, use_bank, use_ring;
-	unsigned instance_bank, sh_bank, se_bank, me, pipe, queue;
+	unsigned instance_bank, sh_bank, se_bank, me, pipe, queue, vmid;
 
 	pm_pg_lock = use_bank = use_ring = false;
-	instance_bank = sh_bank = se_bank = me = pipe = queue = 0;
+	instance_bank = sh_bank = se_bank = me = pipe = queue = vmid = 0;
 
 	if (size & 0x3 || *pos & 0x3 ||
 			((*pos & (1ULL << 62)) && (*pos & (1ULL << 61))))
@@ -126,30 +212,47 @@
 			sh_bank = 0xFFFFFFFF;
 		if (instance_bank == 0x3FF)
 			instance_bank = 0xFFFFFFFF;
-		use_bank = 1;
+		use_bank = true;
 	} else if (*pos & (1ULL << 61)) {
 
 		me = (*pos & GENMASK_ULL(33, 24)) >> 24;
 		pipe = (*pos & GENMASK_ULL(43, 34)) >> 34;
 		queue = (*pos & GENMASK_ULL(53, 44)) >> 44;
+		vmid = (*pos & GENMASK_ULL(58, 54)) >> 54;
 
-		use_ring = 1;
+		use_ring = true;
 	} else {
-		use_bank = use_ring = 0;
+		use_bank = use_ring = false;
 	}
 
 	*pos &= (1UL << 22) - 1;
 
+	r = pm_runtime_get_sync(adev_to_drm(adev)->dev);
+	if (r < 0) {
+		pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+		return r;
+	}
+
+	r = amdgpu_virt_enable_access_debugfs(adev);
+	if (r < 0) {
+		pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+		return r;
+	}
+
 	if (use_bank) {
 		if ((sh_bank != 0xFFFFFFFF && sh_bank >= adev->gfx.config.max_sh_per_se) ||
-		    (se_bank != 0xFFFFFFFF && se_bank >= adev->gfx.config.max_shader_engines))
+		    (se_bank != 0xFFFFFFFF && se_bank >= adev->gfx.config.max_shader_engines)) {
+			pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
+			pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+			amdgpu_virt_disable_access_debugfs(adev);
 			return -EINVAL;
+		}
 		mutex_lock(&adev->grbm_idx_mutex);
 		amdgpu_gfx_select_se_sh(adev, se_bank,
 					sh_bank, instance_bank);
 	} else if (use_ring) {
 		mutex_lock(&adev->srbm_mutex);
-		amdgpu_gfx_select_me_pipe_q(adev, me, pipe, queue);
+		amdgpu_gfx_select_me_pipe_q(adev, me, pipe, queue, vmid);
 	}
 
 	if (pm_pg_lock)
@@ -158,16 +261,13 @@
 	while (size) {
 		uint32_t value;
 
-		if (*pos > adev->rmmio_size)
-			goto end;
-
 		if (read) {
 			value = RREG32(*pos >> 2);
 			r = put_user(value, (uint32_t *)buf);
 		} else {
 			r = get_user(value, (uint32_t *)buf);
 			if (!r)
-				WREG32(*pos >> 2, value);
+				amdgpu_mm_wreg_mmio_rlc(adev, *pos >> 2, value);
 		}
 		if (r) {
 			result = r;
@@ -185,13 +285,17 @@
 		amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff);
 		mutex_unlock(&adev->grbm_idx_mutex);
 	} else if (use_ring) {
-		amdgpu_gfx_select_me_pipe_q(adev, 0, 0, 0);
+		amdgpu_gfx_select_me_pipe_q(adev, 0, 0, 0, 0);
 		mutex_unlock(&adev->srbm_mutex);
 	}
 
 	if (pm_pg_lock)
 		mutex_unlock(&adev->pm.mutex);
 
+	pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
+	pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+
+	amdgpu_virt_disable_access_debugfs(adev);
 	return result;
 }
 
@@ -236,13 +340,29 @@
 	if (size & 0x3 || *pos & 0x3)
 		return -EINVAL;
 
+	r = pm_runtime_get_sync(adev_to_drm(adev)->dev);
+	if (r < 0) {
+		pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+		return r;
+	}
+
+	r = amdgpu_virt_enable_access_debugfs(adev);
+	if (r < 0) {
+		pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+		return r;
+	}
+
 	while (size) {
 		uint32_t value;
 
 		value = RREG32_PCIE(*pos);
 		r = put_user(value, (uint32_t *)buf);
-		if (r)
+		if (r) {
+			pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
+			pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+			amdgpu_virt_disable_access_debugfs(adev);
 			return r;
+		}
 
 		result += 4;
 		buf += 4;
@@ -250,6 +370,10 @@
 		size -= 4;
 	}
 
+	pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
+	pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+
+	amdgpu_virt_disable_access_debugfs(adev);
 	return result;
 }
 
@@ -275,12 +399,28 @@
 	if (size & 0x3 || *pos & 0x3)
 		return -EINVAL;
 
+	r = pm_runtime_get_sync(adev_to_drm(adev)->dev);
+	if (r < 0) {
+		pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+		return r;
+	}
+
+	r = amdgpu_virt_enable_access_debugfs(adev);
+	if (r < 0) {
+		pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+		return r;
+	}
+
 	while (size) {
 		uint32_t value;
 
 		r = get_user(value, (uint32_t *)buf);
-		if (r)
+		if (r) {
+			pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
+			pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+			amdgpu_virt_disable_access_debugfs(adev);
 			return r;
+		}
 
 		WREG32_PCIE(*pos, value);
 
@@ -290,6 +430,10 @@
 		size -= 4;
 	}
 
+	pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
+	pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+
+	amdgpu_virt_disable_access_debugfs(adev);
 	return result;
 }
 
@@ -315,13 +459,29 @@
 	if (size & 0x3 || *pos & 0x3)
 		return -EINVAL;
 
+	r = pm_runtime_get_sync(adev_to_drm(adev)->dev);
+	if (r < 0) {
+		pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+		return r;
+	}
+
+	r = amdgpu_virt_enable_access_debugfs(adev);
+	if (r < 0) {
+		pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+		return r;
+	}
+
 	while (size) {
 		uint32_t value;
 
 		value = RREG32_DIDT(*pos >> 2);
 		r = put_user(value, (uint32_t *)buf);
-		if (r)
+		if (r) {
+			pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
+			pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+			amdgpu_virt_disable_access_debugfs(adev);
 			return r;
+		}
 
 		result += 4;
 		buf += 4;
@@ -329,6 +489,10 @@
 		size -= 4;
 	}
 
+	pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
+	pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+
+	amdgpu_virt_disable_access_debugfs(adev);
 	return result;
 }
 
@@ -354,12 +518,28 @@
 	if (size & 0x3 || *pos & 0x3)
 		return -EINVAL;
 
+	r = pm_runtime_get_sync(adev_to_drm(adev)->dev);
+	if (r < 0) {
+		pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+		return r;
+	}
+
+	r = amdgpu_virt_enable_access_debugfs(adev);
+	if (r < 0) {
+		pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+		return r;
+	}
+
 	while (size) {
 		uint32_t value;
 
 		r = get_user(value, (uint32_t *)buf);
-		if (r)
+		if (r) {
+			pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
+			pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+			amdgpu_virt_disable_access_debugfs(adev);
 			return r;
+		}
 
 		WREG32_DIDT(*pos >> 2, value);
 
@@ -369,6 +549,10 @@
 		size -= 4;
 	}
 
+	pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
+	pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+
+	amdgpu_virt_disable_access_debugfs(adev);
 	return result;
 }
 
@@ -394,13 +578,29 @@
 	if (size & 0x3 || *pos & 0x3)
 		return -EINVAL;
 
+	r = pm_runtime_get_sync(adev_to_drm(adev)->dev);
+	if (r < 0) {
+		pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+		return r;
+	}
+
+	r = amdgpu_virt_enable_access_debugfs(adev);
+	if (r < 0) {
+		pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+		return r;
+	}
+
 	while (size) {
 		uint32_t value;
 
 		value = RREG32_SMC(*pos);
 		r = put_user(value, (uint32_t *)buf);
-		if (r)
+		if (r) {
+			pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
+			pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+			amdgpu_virt_disable_access_debugfs(adev);
 			return r;
+		}
 
 		result += 4;
 		buf += 4;
@@ -408,6 +608,10 @@
 		size -= 4;
 	}
 
+	pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
+	pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+
+	amdgpu_virt_disable_access_debugfs(adev);
 	return result;
 }
 
@@ -433,12 +637,28 @@
 	if (size & 0x3 || *pos & 0x3)
 		return -EINVAL;
 
+	r = pm_runtime_get_sync(adev_to_drm(adev)->dev);
+	if (r < 0) {
+		pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+		return r;
+	}
+
+	r = amdgpu_virt_enable_access_debugfs(adev);
+	if (r < 0) {
+		pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+		return r;
+	}
+
 	while (size) {
 		uint32_t value;
 
 		r = get_user(value, (uint32_t *)buf);
-		if (r)
+		if (r) {
+			pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
+			pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+			amdgpu_virt_disable_access_debugfs(adev);
 			return r;
+		}
 
 		WREG32_SMC(*pos, value);
 
@@ -448,6 +668,10 @@
 		size -= 4;
 	}
 
+	pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
+	pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+
+	amdgpu_virt_disable_access_debugfs(adev);
 	return result;
 }
 
@@ -571,13 +795,33 @@
 	idx = *pos >> 2;
 
 	valuesize = sizeof(values);
-	if (adev->powerplay.pp_funcs && adev->powerplay.pp_funcs->read_sensor)
-		r = amdgpu_dpm_read_sensor(adev, idx, &values[0], &valuesize);
-	else
-		return -EINVAL;
 
-	if (size > valuesize)
+	r = pm_runtime_get_sync(adev_to_drm(adev)->dev);
+	if (r < 0) {
+		pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+		return r;
+	}
+
+	r = amdgpu_virt_enable_access_debugfs(adev);
+	if (r < 0) {
+		pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+		return r;
+	}
+
+	r = amdgpu_dpm_read_sensor(adev, idx, &values[0], &valuesize);
+
+	pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
+	pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+
+	if (r) {
+		amdgpu_virt_disable_access_debugfs(adev);
+		return r;
+	}
+
+	if (size > valuesize) {
+		amdgpu_virt_disable_access_debugfs(adev);
 		return -EINVAL;
+	}
 
 	outsize = 0;
 	x = 0;
@@ -590,6 +834,7 @@
 		}
 	}
 
+	amdgpu_virt_disable_access_debugfs(adev);
 	return !r ? outsize : r;
 }
 
@@ -633,6 +878,18 @@
 	wave = (*pos & GENMASK_ULL(36, 31)) >> 31;
 	simd = (*pos & GENMASK_ULL(44, 37)) >> 37;
 
+	r = pm_runtime_get_sync(adev_to_drm(adev)->dev);
+	if (r < 0) {
+		pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+		return r;
+	}
+
+	r = amdgpu_virt_enable_access_debugfs(adev);
+	if (r < 0) {
+		pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+		return r;
+	}
+
 	/* switch to the specific se/sh/cu */
 	mutex_lock(&adev->grbm_idx_mutex);
 	amdgpu_gfx_select_se_sh(adev, se, sh, cu);
@@ -644,16 +901,23 @@
 	amdgpu_gfx_select_se_sh(adev, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF);
 	mutex_unlock(&adev->grbm_idx_mutex);
 
-	if (!x)
+	pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
+	pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+
+	if (!x) {
+		amdgpu_virt_disable_access_debugfs(adev);
 		return -EINVAL;
+	}
 
 	while (size && (offset < x * 4)) {
 		uint32_t value;
 
 		value = data[offset >> 2];
 		r = put_user(value, (uint32_t *)buf);
-		if (r)
+		if (r) {
+			amdgpu_virt_disable_access_debugfs(adev);
 			return r;
+		}
 
 		result += 4;
 		buf += 4;
@@ -661,6 +925,7 @@
 		size -= 4;
 	}
 
+	amdgpu_virt_disable_access_debugfs(adev);
 	return result;
 }
 
@@ -711,6 +976,14 @@
 	if (!data)
 		return -ENOMEM;
 
+	r = pm_runtime_get_sync(adev_to_drm(adev)->dev);
+	if (r < 0)
+		goto err;
+
+	r = amdgpu_virt_enable_access_debugfs(adev);
+	if (r < 0)
+		goto err;
+
 	/* switch to the specific se/sh/cu */
 	mutex_lock(&adev->grbm_idx_mutex);
 	amdgpu_gfx_select_se_sh(adev, se, sh, cu);
@@ -726,13 +999,16 @@
 	amdgpu_gfx_select_se_sh(adev, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF);
 	mutex_unlock(&adev->grbm_idx_mutex);
 
+	pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
+	pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+
 	while (size) {
 		uint32_t value;
 
 		value = data[result >> 2];
 		r = put_user(value, (uint32_t *)buf);
 		if (r) {
-			result = r;
+			amdgpu_virt_disable_access_debugfs(adev);
 			goto err;
 		}
 
@@ -741,8 +1017,115 @@
 		size -= 4;
 	}
 
-err:
 	kfree(data);
+	amdgpu_virt_disable_access_debugfs(adev);
+	return result;
+
+err:
+	pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+	kfree(data);
+	return r;
+}
+
+/**
+ * amdgpu_debugfs_regs_gfxoff_write - Enable/disable GFXOFF
+ *
+ * @f: open file handle
+ * @buf: User buffer to write data from
+ * @size: Number of bytes to write
+ * @pos:  Offset to seek to
+ *
+ * Write a 32-bit zero to disable or a 32-bit non-zero to enable
+ */
+static ssize_t amdgpu_debugfs_gfxoff_write(struct file *f, const char __user *buf,
+					 size_t size, loff_t *pos)
+{
+	struct amdgpu_device *adev = file_inode(f)->i_private;
+	ssize_t result = 0;
+	int r;
+
+	if (size & 0x3 || *pos & 0x3)
+		return -EINVAL;
+
+	r = pm_runtime_get_sync(adev_to_drm(adev)->dev);
+	if (r < 0) {
+		pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+		return r;
+	}
+
+	while (size) {
+		uint32_t value;
+
+		r = get_user(value, (uint32_t *)buf);
+		if (r) {
+			pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
+			pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+			return r;
+		}
+
+		amdgpu_gfx_off_ctrl(adev, value ? true : false);
+
+		result += 4;
+		buf += 4;
+		*pos += 4;
+		size -= 4;
+	}
+
+	pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
+	pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+
+	return result;
+}
+
+
+/**
+ * amdgpu_debugfs_regs_gfxoff_status - read gfxoff status
+ *
+ * @f: open file handle
+ * @buf: User buffer to store read data in
+ * @size: Number of bytes to read
+ * @pos:  Offset to seek to
+ */
+static ssize_t amdgpu_debugfs_gfxoff_read(struct file *f, char __user *buf,
+					 size_t size, loff_t *pos)
+{
+	struct amdgpu_device *adev = file_inode(f)->i_private;
+	ssize_t result = 0;
+	int r;
+
+	if (size & 0x3 || *pos & 0x3)
+		return -EINVAL;
+
+	r = pm_runtime_get_sync(adev_to_drm(adev)->dev);
+	if (r < 0)
+		return r;
+
+	while (size) {
+		uint32_t value;
+
+		r = amdgpu_get_gfx_off_status(adev, &value);
+		if (r) {
+			pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
+			pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+			return r;
+		}
+
+		r = put_user(value, (uint32_t *)buf);
+		if (r) {
+			pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
+			pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+			return r;
+		}
+
+		result += 4;
+		buf += 4;
+		*pos += 4;
+		size -= 4;
+	}
+
+	pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
+	pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+
 	return result;
 }
 
@@ -794,6 +1177,13 @@
 	.llseek = default_llseek
 };
 
+static const struct file_operations amdgpu_debugfs_gfxoff_fops = {
+	.owner = THIS_MODULE,
+	.read = amdgpu_debugfs_gfxoff_read,
+	.write = amdgpu_debugfs_gfxoff_write,
+	.llseek = default_llseek
+};
+
 static const struct file_operations *debugfs_regs[] = {
 	&amdgpu_debugfs_regs_fops,
 	&amdgpu_debugfs_regs_didt_fops,
@@ -803,6 +1193,7 @@
 	&amdgpu_debugfs_sensors_fops,
 	&amdgpu_debugfs_wave_fops,
 	&amdgpu_debugfs_gpr_fops,
+	&amdgpu_debugfs_gfxoff_fops,
 };
 
 static const char *debugfs_regs_names[] = {
@@ -814,6 +1205,7 @@
 	"amdgpu_sensors",
 	"amdgpu_wave",
 	"amdgpu_gpr",
+	"amdgpu_gfxoff",
 };
 
 /**
@@ -824,23 +1216,15 @@
  */
 int amdgpu_debugfs_regs_init(struct amdgpu_device *adev)
 {
-	struct drm_minor *minor = adev->ddev->primary;
+	struct drm_minor *minor = adev_to_drm(adev)->primary;
 	struct dentry *ent, *root = minor->debugfs_root;
-	unsigned i, j;
+	unsigned int i;
 
 	for (i = 0; i < ARRAY_SIZE(debugfs_regs); i++) {
 		ent = debugfs_create_file(debugfs_regs_names[i],
 					  S_IFREG | S_IRUGO, root,
 					  adev, debugfs_regs[i]);
-		if (IS_ERR(ent)) {
-			for (j = 0; j < i; j++) {
-				debugfs_remove(adev->debugfs_regs[i]);
-				adev->debugfs_regs[i] = NULL;
-			}
-			return PTR_ERR(ent);
-		}
-
-		if (!i)
+		if (!i && !IS_ERR_OR_NULL(ent))
 			i_size_write(ent->d_inode, adev->rmmio_size);
 		adev->debugfs_regs[i] = ent;
 	}
@@ -848,24 +1232,23 @@
 	return 0;
 }
 
-void amdgpu_debugfs_regs_cleanup(struct amdgpu_device *adev)
-{
-	unsigned i;
-
-	for (i = 0; i < ARRAY_SIZE(debugfs_regs); i++) {
-		if (adev->debugfs_regs[i]) {
-			debugfs_remove(adev->debugfs_regs[i]);
-			adev->debugfs_regs[i] = NULL;
-		}
-	}
-}
-
 static int amdgpu_debugfs_test_ib(struct seq_file *m, void *data)
 {
 	struct drm_info_node *node = (struct drm_info_node *) m->private;
 	struct drm_device *dev = node->minor->dev;
-	struct amdgpu_device *adev = dev->dev_private;
+	struct amdgpu_device *adev = drm_to_adev(dev);
 	int r = 0, i;
+
+	r = pm_runtime_get_sync(dev->dev);
+	if (r < 0) {
+		pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+		return r;
+	}
+
+	/* Avoid accidently unparking the sched thread during GPU reset */
+	r = down_read_killable(&adev->reset_sem);
+	if (r)
+		return r;
 
 	/* hold on the scheduler */
 	for (i = 0; i < AMDGPU_MAX_RINGS; i++) {
@@ -892,6 +1275,11 @@
 		kthread_unpark(ring->sched.thread);
 	}
 
+	up_read(&adev->reset_sem);
+
+	pm_runtime_mark_last_busy(dev->dev);
+	pm_runtime_put_autosuspend(dev->dev);
+
 	return 0;
 }
 
@@ -899,7 +1287,7 @@
 {
 	struct drm_info_node *node = (struct drm_info_node *) m->private;
 	struct drm_device *dev = node->minor->dev;
-	struct amdgpu_device *adev = dev->dev_private;
+	struct amdgpu_device *adev = drm_to_adev(dev);
 
 	seq_write(m, adev->bios, adev->bios_size);
 	return 0;
@@ -909,9 +1297,20 @@
 {
 	struct drm_info_node *node = (struct drm_info_node *)m->private;
 	struct drm_device *dev = node->minor->dev;
-	struct amdgpu_device *adev = dev->dev_private;
+	struct amdgpu_device *adev = drm_to_adev(dev);
+	int r;
+
+	r = pm_runtime_get_sync(dev->dev);
+	if (r < 0) {
+		pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+		return r;
+	}
 
 	seq_printf(m, "(%d)\n", amdgpu_bo_evict_vram(adev));
+
+	pm_runtime_mark_last_busy(dev->dev);
+	pm_runtime_put_autosuspend(dev->dev);
+
 	return 0;
 }
 
@@ -919,9 +1318,20 @@
 {
 	struct drm_info_node *node = (struct drm_info_node *)m->private;
 	struct drm_device *dev = node->minor->dev;
-	struct amdgpu_device *adev = dev->dev_private;
+	struct amdgpu_device *adev = drm_to_adev(dev);
+	int r;
+
+	r = pm_runtime_get_sync(dev->dev);
+	if (r < 0) {
+		pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+		return r;
+	}
 
 	seq_printf(m, "(%d)\n", ttm_bo_evict_mm(&adev->mman.bdev, TTM_PL_TT));
+
+	pm_runtime_mark_last_busy(dev->dev);
+	pm_runtime_put_autosuspend(dev->dev);
+
 	return 0;
 }
 
@@ -932,8 +1342,299 @@
 	{"amdgpu_evict_gtt", &amdgpu_debugfs_evict_gtt},
 };
 
+static void amdgpu_ib_preempt_fences_swap(struct amdgpu_ring *ring,
+					  struct dma_fence **fences)
+{
+	struct amdgpu_fence_driver *drv = &ring->fence_drv;
+	uint32_t sync_seq, last_seq;
+
+	last_seq = atomic_read(&ring->fence_drv.last_seq);
+	sync_seq = ring->fence_drv.sync_seq;
+
+	last_seq &= drv->num_fences_mask;
+	sync_seq &= drv->num_fences_mask;
+
+	do {
+		struct dma_fence *fence, **ptr;
+
+		++last_seq;
+		last_seq &= drv->num_fences_mask;
+		ptr = &drv->fences[last_seq];
+
+		fence = rcu_dereference_protected(*ptr, 1);
+		RCU_INIT_POINTER(*ptr, NULL);
+
+		if (!fence)
+			continue;
+
+		fences[last_seq] = fence;
+
+	} while (last_seq != sync_seq);
+}
+
+static void amdgpu_ib_preempt_signal_fences(struct dma_fence **fences,
+					    int length)
+{
+	int i;
+	struct dma_fence *fence;
+
+	for (i = 0; i < length; i++) {
+		fence = fences[i];
+		if (!fence)
+			continue;
+		dma_fence_signal(fence);
+		dma_fence_put(fence);
+	}
+}
+
+static void amdgpu_ib_preempt_job_recovery(struct drm_gpu_scheduler *sched)
+{
+	struct drm_sched_job *s_job;
+	struct dma_fence *fence;
+
+	spin_lock(&sched->job_list_lock);
+	list_for_each_entry(s_job, &sched->ring_mirror_list, node) {
+		fence = sched->ops->run_job(s_job);
+		dma_fence_put(fence);
+	}
+	spin_unlock(&sched->job_list_lock);
+}
+
+static void amdgpu_ib_preempt_mark_partial_job(struct amdgpu_ring *ring)
+{
+	struct amdgpu_job *job;
+	struct drm_sched_job *s_job, *tmp;
+	uint32_t preempt_seq;
+	struct dma_fence *fence, **ptr;
+	struct amdgpu_fence_driver *drv = &ring->fence_drv;
+	struct drm_gpu_scheduler *sched = &ring->sched;
+	bool preempted = true;
+
+	if (ring->funcs->type != AMDGPU_RING_TYPE_GFX)
+		return;
+
+	preempt_seq = le32_to_cpu(*(drv->cpu_addr + 2));
+	if (preempt_seq <= atomic_read(&drv->last_seq)) {
+		preempted = false;
+		goto no_preempt;
+	}
+
+	preempt_seq &= drv->num_fences_mask;
+	ptr = &drv->fences[preempt_seq];
+	fence = rcu_dereference_protected(*ptr, 1);
+
+no_preempt:
+	spin_lock(&sched->job_list_lock);
+	list_for_each_entry_safe(s_job, tmp, &sched->ring_mirror_list, node) {
+		if (dma_fence_is_signaled(&s_job->s_fence->finished)) {
+			/* remove job from ring_mirror_list */
+			list_del_init(&s_job->node);
+			sched->ops->free_job(s_job);
+			continue;
+		}
+		job = to_amdgpu_job(s_job);
+		if (preempted && job->fence == fence)
+			/* mark the job as preempted */
+			job->preemption_status |= AMDGPU_IB_PREEMPTED;
+	}
+	spin_unlock(&sched->job_list_lock);
+}
+
+static int amdgpu_debugfs_ib_preempt(void *data, u64 val)
+{
+	int r, resched, length;
+	struct amdgpu_ring *ring;
+	struct dma_fence **fences = NULL;
+	struct amdgpu_device *adev = (struct amdgpu_device *)data;
+
+	if (val >= AMDGPU_MAX_RINGS)
+		return -EINVAL;
+
+	ring = adev->rings[val];
+
+	if (!ring || !ring->funcs->preempt_ib || !ring->sched.thread)
+		return -EINVAL;
+
+	/* the last preemption failed */
+	if (ring->trail_seq != le32_to_cpu(*ring->trail_fence_cpu_addr))
+		return -EBUSY;
+
+	length = ring->fence_drv.num_fences_mask + 1;
+	fences = kcalloc(length, sizeof(void *), GFP_KERNEL);
+	if (!fences)
+		return -ENOMEM;
+
+	/* Avoid accidently unparking the sched thread during GPU reset */
+	r = down_read_killable(&adev->reset_sem);
+	if (r)
+		goto pro_end;
+
+	/* stop the scheduler */
+	kthread_park(ring->sched.thread);
+
+	resched = ttm_bo_lock_delayed_workqueue(&adev->mman.bdev);
+
+	/* preempt the IB */
+	r = amdgpu_ring_preempt_ib(ring);
+	if (r) {
+		DRM_WARN("failed to preempt ring %d\n", ring->idx);
+		goto failure;
+	}
+
+	amdgpu_fence_process(ring);
+
+	if (atomic_read(&ring->fence_drv.last_seq) !=
+	    ring->fence_drv.sync_seq) {
+		DRM_INFO("ring %d was preempted\n", ring->idx);
+
+		amdgpu_ib_preempt_mark_partial_job(ring);
+
+		/* swap out the old fences */
+		amdgpu_ib_preempt_fences_swap(ring, fences);
+
+		amdgpu_fence_driver_force_completion(ring);
+
+		/* resubmit unfinished jobs */
+		amdgpu_ib_preempt_job_recovery(&ring->sched);
+
+		/* wait for jobs finished */
+		amdgpu_fence_wait_empty(ring);
+
+		/* signal the old fences */
+		amdgpu_ib_preempt_signal_fences(fences, length);
+	}
+
+failure:
+	/* restart the scheduler */
+	kthread_unpark(ring->sched.thread);
+
+	up_read(&adev->reset_sem);
+
+	ttm_bo_unlock_delayed_workqueue(&adev->mman.bdev, resched);
+
+pro_end:
+	kfree(fences);
+
+	return r;
+}
+
+static int amdgpu_debugfs_sclk_set(void *data, u64 val)
+{
+	int ret = 0;
+	uint32_t max_freq, min_freq;
+	struct amdgpu_device *adev = (struct amdgpu_device *)data;
+
+	if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
+		return -EINVAL;
+
+	ret = pm_runtime_get_sync(adev_to_drm(adev)->dev);
+	if (ret < 0) {
+		pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+		return ret;
+	}
+
+	if (is_support_sw_smu(adev)) {
+		ret = smu_get_dpm_freq_range(&adev->smu, SMU_SCLK, &min_freq, &max_freq);
+		if (ret || val > max_freq || val < min_freq)
+			return -EINVAL;
+		ret = smu_set_soft_freq_range(&adev->smu, SMU_SCLK, (uint32_t)val, (uint32_t)val);
+	} else {
+		return 0;
+	}
+
+	pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
+	pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+
+	if (ret)
+		return -EINVAL;
+
+	return 0;
+}
+
+DEFINE_SIMPLE_ATTRIBUTE(fops_ib_preempt, NULL,
+			amdgpu_debugfs_ib_preempt, "%llu\n");
+
+DEFINE_SIMPLE_ATTRIBUTE(fops_sclk_set, NULL,
+			amdgpu_debugfs_sclk_set, "%llu\n");
+
 int amdgpu_debugfs_init(struct amdgpu_device *adev)
 {
+	int r, i;
+
+	adev->debugfs_preempt =
+		debugfs_create_file("amdgpu_preempt_ib", 0600,
+				    adev_to_drm(adev)->primary->debugfs_root, adev,
+				    &fops_ib_preempt);
+	if (!(adev->debugfs_preempt)) {
+		DRM_ERROR("unable to create amdgpu_preempt_ib debugsfs file\n");
+		return -EIO;
+	}
+
+	adev->smu.debugfs_sclk =
+		debugfs_create_file("amdgpu_force_sclk", 0200,
+				    adev_to_drm(adev)->primary->debugfs_root, adev,
+				    &fops_sclk_set);
+	if (!(adev->smu.debugfs_sclk)) {
+		DRM_ERROR("unable to create amdgpu_set_sclk debugsfs file\n");
+		return -EIO;
+	}
+
+	/* Register debugfs entries for amdgpu_ttm */
+	r = amdgpu_ttm_debugfs_init(adev);
+	if (r) {
+		DRM_ERROR("Failed to init debugfs\n");
+		return r;
+	}
+
+	r = amdgpu_debugfs_pm_init(adev);
+	if (r) {
+		DRM_ERROR("Failed to register debugfs file for dpm!\n");
+		return r;
+	}
+
+	if (amdgpu_debugfs_sa_init(adev)) {
+		dev_err(adev->dev, "failed to register debugfs file for SA\n");
+	}
+
+	if (amdgpu_debugfs_fence_init(adev))
+		dev_err(adev->dev, "fence debugfs file creation failed\n");
+
+	r = amdgpu_debugfs_gem_init(adev);
+	if (r)
+		DRM_ERROR("registering gem debugfs failed (%d).\n", r);
+
+	r = amdgpu_debugfs_regs_init(adev);
+	if (r)
+		DRM_ERROR("registering register debugfs failed (%d).\n", r);
+
+	r = amdgpu_debugfs_firmware_init(adev);
+	if (r)
+		DRM_ERROR("registering firmware debugfs failed (%d).\n", r);
+
+#if defined(CONFIG_DRM_AMD_DC)
+	if (amdgpu_device_has_dc_support(adev)) {
+		if (dtn_debugfs_init(adev))
+			DRM_ERROR("amdgpu: failed initialize dtn debugfs support.\n");
+	}
+#endif
+
+	for (i = 0; i < AMDGPU_MAX_RINGS; ++i) {
+		struct amdgpu_ring *ring = adev->rings[i];
+
+		if (!ring)
+			continue;
+
+		if (amdgpu_debugfs_ring_init(adev, ring)) {
+			DRM_ERROR("Failed to register debugfs file for rings !\n");
+		}
+	}
+
+	amdgpu_ras_debugfs_create_all(adev);
+
+	amdgpu_debugfs_autodump_init(adev);
+
+	amdgpu_rap_debugfs_init(adev);
+
 	return amdgpu_debugfs_add_files(adev, amdgpu_debugfs_list,
 					ARRAY_SIZE(amdgpu_debugfs_list));
 }
@@ -947,5 +1648,4 @@
 {
 	return 0;
 }
-void amdgpu_debugfs_regs_cleanup(struct amdgpu_device *adev) { }
 #endif

--
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