Commit 66459e1d authored Aug 04, 2020 by Guchun Chen Committed by Alex Deucher Aug 14, 2020

drm/amdgpu: add debugfs node to toggle ras error cnt harvest



Before ras recovery is issued, user could operate this debugfs
node to enable/disable the harvest of all RAS IPs' ras error
count registers, which will help keep hardware's registers'
status instead of cleaning up them.

Signed-off-by: Guchun Chen <guchun.chen@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Dennis Li <Dennis.Li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

parent f75e94d8

drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c

+7 −0

Original line number	Diff line number	Diff line
		@@ -1215,6 +1215,13 @@ static void amdgpu_ras_debugfs_create_ctrl_node(struct amdgpu_device *adev)
		*/
		debugfs_create_bool("auto_reboot", S_IWUGO \| S_IRUGO, con->dir,
		&con->reboot);

		/*
		* User could set this not to clean up hardware's error count register
		* of RAS IPs during ras recovery.
		*/
		debugfs_create_bool("disable_ras_err_cnt_harvest", 0644,
		con->dir, &con->disable_ras_err_cnt_harvest);
		}

		void amdgpu_ras_debugfs_create(struct amdgpu_device *adev,

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