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drm/i915: always pin hw_id for GVT context

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Initially found issue with closed context debug check when pin
hw_id for GVT context, looks we should always pin hw_id for that
as GVT context is fixed for each vGPU life cycle, and we'd also
like to get pinned hw_id e.g for perf reason, etc.

Cc: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20190311023747.1426-1-zhenyuw@linux.intel.com
This commit is contained in:
Zhenyu Wang 2019-03-11 10:37:47 +08:00 committed by Chris Wilson
parent 4b225248da
commit ddad5babb0
1 changed files with 7 additions and 0 deletions
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7
drivers/gpu/drm/i915/i915_gem_context.c
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@ -482,6 +482,13 @@ i915_gem_context_create_gvt(struct drm_device *dev)
if (IS_ERR(ctx))
goto out;
ret = i915_gem_context_pin_hw_id(ctx);
if (ret) {
context_close(ctx);
ctx = ERR_PTR(ret);
goto out;
}
ctx->file_priv = ERR_PTR(-EBADF);
i915_gem_context_set_closed(ctx); /* not user accessible */
i915_gem_context_clear_bannable(ctx);