Re: [PATCH 09/13] drm/i915: Remove two impossible asserts

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On Fri, Jan 08, 2016 at 11:29:48AM +0000, Tvrtko Ursulin wrote:
> From: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
> 
> Engine initialization would have failed if those two weren't
> pinned and calling i915_gem_obj_is_pinned is illegal from irq
> context without the big lock held.
> 
> Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>

Reviewed-by: Daniel Vetter <daniel.vetter@xxxxxxxx>

> ---
>  drivers/gpu/drm/i915/intel_lrc.c | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
> index ffe004de22b0..5b3795815d8e 100644
> --- a/drivers/gpu/drm/i915/intel_lrc.c
> +++ b/drivers/gpu/drm/i915/intel_lrc.c
> @@ -350,8 +350,6 @@ static int execlists_update_context(struct drm_i915_gem_request *rq)
>  	uint32_t *reg_state;
>  
>  	BUG_ON(!ctx_obj);
> -	WARN_ON(!i915_gem_obj_is_pinned(ctx_obj));
> -	WARN_ON(!i915_gem_obj_is_pinned(rb_obj));
>  
>  	page = i915_gem_object_get_dirty_page(ctx_obj, LRC_STATE_PN);
>  	reg_state = kmap_atomic(page);
> -- 
> 1.9.1
> 
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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