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From 14670d7a545ba0b77f4f9ab8b04f3b722f64c033 Mon Sep 17 00:00:00 2001
From: xinhui pan <xinhui.pan@amd.com>
Date: Mon, 17 Dec 2018 14:31:12 +0800
Subject: [PATCH 1519/2940] drm/amdgpu: Add a new flag to
AMDGPU_CTX_OP_QUERY_STATE2
Add AMDGPU_CTX_QUERY2_FLAGS_RAS_CE/UE which indicate if any error happened
between previous query and this query.
Signed-off-by: xinhui pan <xinhui.pan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c | 17 +++++++++++++++++
drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.h | 2 ++
include/uapi/drm/amdgpu_drm.h | 3 +++
3 files changed, 22 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
index f0f22e20a747..e87184670587 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
@@ -26,6 +26,7 @@
#include <drm/drm_auth.h>
#include "amdgpu.h"
#include "amdgpu_sched.h"
+#include "amdgpu_ras.h"
#define to_amdgpu_ctx_entity(e) \
container_of((e), struct amdgpu_ctx_entity, entity)
@@ -346,6 +347,7 @@ static int amdgpu_ctx_query2(struct amdgpu_device *adev,
{
struct amdgpu_ctx *ctx;
struct amdgpu_ctx_mgr *mgr;
+ uint32_t ras_counter;
if (!fpriv)
return -EINVAL;
@@ -370,6 +372,21 @@ static int amdgpu_ctx_query2(struct amdgpu_device *adev,
if (atomic_read(&ctx->guilty))
out->state.flags |= AMDGPU_CTX_QUERY2_FLAGS_GUILTY;
+ /*query ue count*/
+ ras_counter = amdgpu_ras_query_error_count(adev, false);
+ /*ras counter is monotonic increasing*/
+ if (ras_counter != ctx->ras_counter_ue) {
+ out->state.flags |= AMDGPU_CTX_QUERY2_FLAGS_RAS_UE;
+ ctx->ras_counter_ue = ras_counter;
+ }
+
+ /*query ce count*/
+ ras_counter = amdgpu_ras_query_error_count(adev, true);
+ if (ras_counter != ctx->ras_counter_ce) {
+ out->state.flags |= AMDGPU_CTX_QUERY2_FLAGS_RAS_CE;
+ ctx->ras_counter_ce = ras_counter;
+ }
+
mutex_unlock(&mgr->lock);
return 0;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.h
index db0ad1e7eace..934780c3140c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.h
@@ -51,6 +51,8 @@ struct amdgpu_ctx {
enum drm_sched_priority override_priority;
struct mutex lock;
atomic_t guilty;
+ uint32_t ras_counter_ce;
+ uint32_t ras_counter_ue;
};
struct amdgpu_ctx_mgr {
diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h
index c7d5bc34e18f..0caf21158631 100644
--- a/include/uapi/drm/amdgpu_drm.h
+++ b/include/uapi/drm/amdgpu_drm.h
@@ -230,6 +230,9 @@ union drm_amdgpu_bo_list {
#define AMDGPU_CTX_QUERY2_FLAGS_VRAMLOST (1<<1)
/* indicate some job from this context once cause gpu hang */
#define AMDGPU_CTX_QUERY2_FLAGS_GUILTY (1<<2)
+/* indicate some errors are detected by RAS */
+#define AMDGPU_CTX_QUERY2_FLAGS_RAS_CE (1<<3)
+#define AMDGPU_CTX_QUERY2_FLAGS_RAS_UE (1<<4)
/* Context priority level */
#define AMDGPU_CTX_PRIORITY_UNSET -2048
--
2.17.1
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