Commit ea114213 authored by xinhui pan's avatar xinhui pan Committed by Alex Deucher
Browse files

drm/amdgpu: add psp cmd submit timeout 



Signed-off-by: default avatarxinhui pan <xinhui.pan@amd.com>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 3ea8fb8c

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

+5 −1
Original line number Diff line number Diff line
@@ -120,6 +120,7 @@ psp_cmd_submit_buf(struct psp_context *psp, 
{

	int ret;

	int index;

	int timeout = 2000;



	memset(psp->cmd_buf_mem, 0, PSP_CMD_BUFFER_SIZE);
@@ -133,8 +134,11 @@ psp_cmd_submit_buf(struct psp_context *psp, 
		return ret;

	}



	while (*((unsigned int *)psp->fence_buf) != index)

	while (*((unsigned int *)psp->fence_buf) != index) {

		if (--timeout == 0)

			return -EINVAL;

		msleep(1);

	}



	/* In some cases, psp response status is not 0 even there is no

	 * problem while the command is submitted. Some version of PSP FW

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