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drm/amdgpu: resolve failed error inject msg

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invoking an error injection successfully will cause an at_event intterrupt that

will occur before the invoke sequence can complete causing an invalid error

Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: John Clements <john.clements@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
John Clements 2020-03-11 11:51:02 +08:00 • committed by Alex Deucher
parent 5f87611582
commit c2c6f816a8
2 changed files with 10 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

6
drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
View file

@ -200,6 +200,7 @@ psp_cmd_submit_buf(struct psp_context *psp,
int ret;
int index;
int timeout = 2000;
bool ras_intr = false;
mutex_lock(&psp->mutex);
@ -224,7 +225,8 @@ psp_cmd_submit_buf(struct psp_context *psp,
* because gpu reset thread triggered and lock resource should
* be released for psp resume sequence.
*/
if (amdgpu_ras_intr_triggered())
ras_intr = amdgpu_ras_intr_triggered();
if (ras_intr)
break;
msleep(1);
amdgpu_asic_invalidate_hdp(psp->adev, NULL);
@ -237,7 +239,7 @@ psp_cmd_submit_buf(struct psp_context *psp,
* during psp initialization to avoid breaking hw_init and it doesn't
* return -EINVAL.
*/
if (psp->cmd_buf_mem->resp.status || !timeout) {
if ((psp->cmd_buf_mem->resp.status || !timeout) && !ras_intr) {
if (ucode)
DRM_WARN("failed to load ucode id (%d) ",
ucode->ucode_id);

6
drivers/gpu/drm/amd/amdgpu/psp_v11_0.c
View file

@ -26,6 +26,7 @@
#include "amdgpu.h"
#include "amdgpu_psp.h"
#include "amdgpu_ras.h"
#include "amdgpu_ucode.h"
#include "soc15_common.h"
#include "psp_v11_0.h"
@ -868,6 +869,11 @@ static int psp_v11_0_ras_trigger_error(struct psp_context *psp,
if (ret)
return -EINVAL;
/* If err_event_athub occurs error inject was successful, however
return status from TA is no long reliable */
if (amdgpu_ras_intr_triggered())
return 0;
return ras_cmd->ras_status;
}