[Intel-gfx] [PATCH 1/1] drm/i915: use gem_set_seqno() on hardware init

Chris Wilson chris at chris-wilson.co.uk
Tue Jan 22 13:28:16 CET 2013


On Tue, Jan 22, 2013 at 02:12:17PM +0200, Mika Kuoppala wrote:
> When machine was rebooted or module was reloaded,
> gem_hw_init() set last_seqno to be identical to next_seqno.
> This lead to situation that waits for first ever request
> always passed immediately regardless if it was actually
> executed.
> 
> Use gem_set_seqno() to be consistent how hw is
> initialized on init, wrap and on resume.

Nice catch, and you caught the only other side-effect I could spot of
moving the seqno init, so

Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre



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