Commit ddad5bab authored Mar 11, 2019 by Zhenyu Wang Committed by Chris Wilson Mar 24, 2019

drm/i915: always pin hw_id for GVT context



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

parent 4b225248

drivers/gpu/drm/i915/i915_gem_context.c

+7 −0

Original line number	Diff line number	Diff line
		@@ -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);

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