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authorChristian König <christian.koenig@amd.com>2019-01-10 16:48:23 +0100
committerAlex Deucher <alexander.deucher@amd.com>2019-03-19 15:36:58 -0500
commit56753e73fb2ed232278eb69445cb72c6f54391c2 (patch)
tree14fc98eeefe51b252a2c5171d87e2ba3ee54ae5d /drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
parent3119e7f43be172779019f282aed115b2ec0864fa (diff)
downloadtalos-op-linux-56753e73fb2ed232278eb69445cb72c6f54391c2.tar.gz
talos-op-linux-56753e73fb2ed232278eb69445cb72c6f54391c2.zip
drm/amdgpu: wait for VM to become idle during flush
Make sure that not only the entities are flush, but that we also wait for the HW to finish all processing. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Chunming Zhou <david1.zhou@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
index b7289f709644..a28a3d722ba2 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
@@ -558,13 +558,12 @@ void amdgpu_ctx_mgr_init(struct amdgpu_ctx_mgr *mgr)
idr_init(&mgr->ctx_handles);
}
-void amdgpu_ctx_mgr_entity_flush(struct amdgpu_ctx_mgr *mgr)
+long amdgpu_ctx_mgr_entity_flush(struct amdgpu_ctx_mgr *mgr, long timeout)
{
unsigned num_entities = amdgput_ctx_total_num_entities();
struct amdgpu_ctx *ctx;
struct idr *idp;
uint32_t id, i;
- long max_wait = MAX_WAIT_SCHED_ENTITY_Q_EMPTY;
idp = &mgr->ctx_handles;
@@ -574,10 +573,11 @@ void amdgpu_ctx_mgr_entity_flush(struct amdgpu_ctx_mgr *mgr)
struct drm_sched_entity *entity;
entity = &ctx->entities[0][i].entity;
- max_wait = drm_sched_entity_flush(entity, max_wait);
+ timeout = drm_sched_entity_flush(entity, timeout);
}
}
mutex_unlock(&mgr->lock);
+ return timeout;
}
void amdgpu_ctx_mgr_entity_fini(struct amdgpu_ctx_mgr *mgr)
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