1 files changed, 47 insertions, 2 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
index f3b3c688e4e7..e2eec985adb3 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
@@ -1117,13 +1117,50 @@ static ssize_t amdgpu_debugfs_gfxoff_read(struct file *f, char __user *buf,
 	}
 
 	while (size) {
-		uint32_t value;
+		u32 value = adev->gfx.gfx_off_state;
+
+		r = put_user(value, (u32 *)buf);
+		if (r)
+			goto out;
+
+		result += 4;
+		buf += 4;
+		*pos += 4;
+		size -= 4;
+	}
+
+	r = result;
+out:
+	pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
+	pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+
+	return r;
+}
+
+static ssize_t amdgpu_debugfs_gfxoff_status_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) {
+		pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+		return r;
+	}
+
+	while (size) {
+		u32 value;
 
 		r = amdgpu_get_gfx_off_status(adev, &value);
 		if (r)
 			goto out;
 
-		r = put_user(value, (uint32_t *)buf);
+		r = put_user(value, (u32 *)buf);
 		if (r)
 			goto out;
 
@@ -1206,6 +1243,12 @@ static const struct file_operations amdgpu_debugfs_gfxoff_fops = {
 	.llseek = default_llseek
 };
 
+static const struct file_operations amdgpu_debugfs_gfxoff_status_fops = {
+	.owner = THIS_MODULE,
+	.read = amdgpu_debugfs_gfxoff_status_read,
+	.llseek = default_llseek
+};
+
 static const struct file_operations *debugfs_regs[] = {
 	&amdgpu_debugfs_regs_fops,
 	&amdgpu_debugfs_regs2_fops,
@@ -1217,6 +1260,7 @@ static const struct file_operations *debugfs_regs[] = {
 	&amdgpu_debugfs_wave_fops,
 	&amdgpu_debugfs_gpr_fops,
 	&amdgpu_debugfs_gfxoff_fops,
+	&amdgpu_debugfs_gfxoff_status_fops,
 };
 
 static const char *debugfs_regs_names[] = {
@@ -1230,6 +1274,7 @@ static const char *debugfs_regs_names[] = {
 	"amdgpu_wave",
 	"amdgpu_gpr",
 	"amdgpu_gfxoff",
+	"amdgpu_gfxoff_status",
 };
 
 /**