Hi!

> From: Alex Deucher <alexander.deuc...@amd.com>
> 
> commit 5887a59961e2295c5b02f39dbc0ecf9212709b7b upstream.
> 
> Not necessary on soc15 and breaks driver reload on server cards.

> --- a/drivers/gpu/drm/amd/amdgpu/soc15.c
> +++ b/drivers/gpu/drm/amd/amdgpu/soc15.c
> @@ -495,6 +495,11 @@ int soc15_set_ip_blocks(struct amdgpu_de
>               return -EINVAL;
>       }
>  
> +     /* Just return false for soc15 GPUs.  Reset does not seem to
> +      * be necessary.
> +      */
> +     return false;
> +
>       if (adev->flags & AMD_IS_APU)
>               adev->nbio_funcs = &nbio_v7_0_funcs;
>       else if (adev->asic_type == CHIP_VEGA20)

Something is seriously wrong here.

Upstream commit goes to soc15_need_reset_on_init() and creates dead
variable and quite a bit of dead code. Is that intended?

But this stable version... goes to different function, and returns
false in function returning 0/-EINVAL, simulating success. New place
does not seem right; it seems like patch misplaced it.

Best regards,
                                                                        Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) 
http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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