From afac8c6554ccee54bfd1743755e10af005be3bcf Mon Sep 17 00:00:00 2001
From: YiPeng Chai <YiPeng.Chai@amd.com>
Date: Fri, 19 Jul 2024 20:43:04 +0800
Subject: [PATCH] drm/amdgpu: fix ras UE error injection failure issue
The ras command shared memory is allocated from
VRAM and the response status of the command
buffer will not be zero due to gpu being in
fatal error state after ras UE error injection.
Signed-off-by: YiPeng Chai <YiPeng.Chai@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 8284951a6e79c6806c675e5f68a4cd425dd56bc4)
---
drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index 7cdff355cedbd..189574d53ebd3 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -1630,9 +1630,7 @@ static int psp_ras_send_cmd(struct psp_context *psp,
switch (cmd) {
case TA_RAS_COMMAND__TRIGGER_ERROR:
- if (ret || psp->cmd_buf_mem->resp.status)
- ret = -EINVAL;
- else if (out)
+ if (!ret && out)
memcpy(out, &ras_cmd->ras_status, sizeof(ras_cmd->ras_status));
break;
case TA_RAS_COMMAND__QUERY_ADDRESS:
--
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