[Intel-gfx] [RFC] drm/i915/bdw: Apply workarounds to the golden render state

[Chris Wilson]

On Fri, Aug 08, 2014 at 10:52:57AM +0100, arun.siluvery at linux.intel.com wrote:
> From: Arun Siluvery <arun.siluvery at linux.intel.com>
> 
> Workarounds for bdw are currently applied in init_clock_gating() but they
> are lost following a gpu reset. Some of the registers are part of register
> state context and they are restored with every context switch so initializing
> WAs in golden render state ensures that they are applied even when we start
> with an uninitialized context or during hw initialization followed by a reset.

Interesting, but let's try to keep the opaque blobs minimal. The
comments for w/a are even more valuable than the code.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre