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drm/amdgpu:implement ctx query2

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this query will give flag bits to indicate what happend
on the given context

Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Monk Liu 2017-10-17 14:58:01 +08:00 committed by Alex Deucher
parent 668ca1b44d
commit bc1b1bf6e3
2 changed files with 45 additions and 0 deletions
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37
drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
View File

@ -227,6 +227,40 @@ static int amdgpu_ctx_query(struct amdgpu_device *adev,
return 0;
}
static int amdgpu_ctx_query2(struct amdgpu_device *adev,
struct amdgpu_fpriv *fpriv, uint32_t id,
union drm_amdgpu_ctx_out *out)
{
struct amdgpu_ctx *ctx;
struct amdgpu_ctx_mgr *mgr;
if (!fpriv)
return -EINVAL;
mgr = &fpriv->ctx_mgr;
mutex_lock(&mgr->lock);
ctx = idr_find(&mgr->ctx_handles, id);
if (!ctx) {
mutex_unlock(&mgr->lock);
return -EINVAL;
}
out->state.flags = 0x0;
out->state.hangs = 0x0;
if (ctx->reset_counter != atomic_read(&adev->gpu_reset_counter))
out->state.flags |= AMDGPU_CTX_QUERY2_FLAGS_RESET;
if (ctx->vram_lost_counter != atomic_read(&adev->vram_lost_counter))
out->state.flags |= AMDGPU_CTX_QUERY2_FLAGS_VRAMLOST;
if (atomic_read(&ctx->guilty))
out->state.flags |= AMDGPU_CTX_QUERY2_FLAGS_GUILTY;
mutex_unlock(&mgr->lock);
return 0;
}
int amdgpu_ctx_ioctl(struct drm_device *dev, void *data,
struct drm_file *filp)
{
@ -258,6 +292,9 @@ int amdgpu_ctx_ioctl(struct drm_device *dev, void *data,
case AMDGPU_CTX_OP_QUERY_STATE:
r = amdgpu_ctx_query(adev, fpriv, id, &args->out);
break;
case AMDGPU_CTX_OP_QUERY_STATE2:
r = amdgpu_ctx_query2(adev, fpriv, id, &args->out);
break;
default:
return -EINVAL;
}

8
include/uapi/drm/amdgpu_drm.h
View File

@ -160,6 +160,7 @@ union drm_amdgpu_bo_list {
#define AMDGPU_CTX_OP_ALLOC_CTX 1
#define AMDGPU_CTX_OP_FREE_CTX 2
#define AMDGPU_CTX_OP_QUERY_STATE 3
#define AMDGPU_CTX_OP_QUERY_STATE2 4
/* GPU reset status */
#define AMDGPU_CTX_NO_RESET 0
@ -170,6 +171,13 @@ union drm_amdgpu_bo_list {
/* unknown cause */
#define AMDGPU_CTX_UNKNOWN_RESET 3
/* indicate gpu reset occured after ctx created */
#define AMDGPU_CTX_QUERY2_FLAGS_RESET (1<<0)
/* indicate vram lost occured after ctx created */
#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)
/* Context priority level */
#define AMDGPU_CTX_PRIORITY_UNSET -2048
#define AMDGPU_CTX_PRIORITY_VERY_LOW -1023