[Intel-gfx] [PATCH 19/24] drm/i915: don't enable PM_VEBOX_CS_ERROR_INTERRUPT

[Ben Widawsky]

On Wed, Jun 12, 2013 at 01:37:21PM +0200, Daniel Vetter wrote:
> The code to handle it is broken - there's simply no code to clear CS
> parser errors on gen5+. And behold, for all the other rings we also
> don't enable it!
> 
> Leave the handling code itself in place just to be consistent with the
> existing mess though. And in case someone feels like fixing it all up.
> 
> This has been errornously enabled in
> 
> commit 12638c57f31952127c734c26315e1348fa1334c2
> Author: Ben Widawsky <ben at bwidawsk.net>
> Date:   Tue May 28 19:22:31 2013 -0700
> 
>     drm/i915: Enable vebox interrupts
> 
> Cc: Damien Lespiau <damien.lespiau at intel.com>
> Cc: Ben Widawsky <ben at bwidawsk.net>
> Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>
>
Why not fix the problem instead of just disabling the interrupt? Then
the "existing mess" is justified. It really shouldn't be terribly
difficult to fix it.

[snip]
-- 
Ben Widawsky, Intel Open Source Technology Center