[Intel-gfx] [PATCH 10/10] drm/i915: kill gen4 gpu reset code

Daniel Vetter daniel at ffwll.ch
Fri Apr 27 21:17:02 CEST 2012

On Fri, Apr 27, 2012 at 11:49:16AM -0700, Eric Anholt wrote:
> On Fri, 27 Apr 2012 15:17:47 +0200, Daniel Vetter <daniel.vetter at ffwll.ch> wrote:
> > It's busted. Compared to ilk, snb and ivb where I've run the i-g-t
> > hangman test in a loop for a few hours, my gm45 never managed to reset
> > the gpu. And Chris Wilson confirmed on irc that he's never seen a case
> > where the gen4 gpu reset code actually helped.
> I remember originally when the hangcheck stuff landed, on a 965gm
> running compiz, dragging a window with a bad shader around and seeing a
> stutter as it reset the hardware successfully before crashing soon after
> (then turning off the hanging plugin and continuing to use the system).

I'm confused - so hangcheck once indeed managed to reset a i965gm gpu or
Daniel Vetter
Mail: daniel at ffwll.ch
Mobile: +41 (0)79 365 57 48

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