Re: [PATCH 12/13] drm/i915: Sort the shadow register table

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On Thu, Sep 29, 2016 at 04:35:55PM +0100, Tvrtko Ursulin wrote:
> From: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
> 
> Also verify the order at runtime. This was we can start using
> binary search on it in a following patch.
> 
> Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
> ---
>  drivers/gpu/drm/i915/intel_uncore.c | 28 ++++++++++++++++++++++------
>  1 file changed, 22 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c
> index 893d73c7368a..8f25cd7ab50f 100644
> --- a/drivers/gpu/drm/i915/intel_uncore.c
> +++ b/drivers/gpu/drm/i915/intel_uncore.c
> @@ -657,15 +657,29 @@ static const struct intel_forcewake_range __vlv_fw_ranges[] = {
>  })
>  
>  static const i915_reg_t gen8_shadowed_regs[] = {
> -	GEN6_RPNSWREQ,
> -	GEN6_RC_VIDEO_FREQ,
> -	RING_TAIL(RENDER_RING_BASE),
> -	RING_TAIL(GEN6_BSD_RING_BASE),
> -	RING_TAIL(VEBOX_RING_BASE),
> -	RING_TAIL(BLT_RING_BASE),
> +	RING_TAIL(RENDER_RING_BASE),	/* 0x2000 (base) */
> +	GEN6_RPNSWREQ,			/* 0xA008 */
> +	GEN6_RC_VIDEO_FREQ,		/* 0xA00C */
> +	RING_TAIL(GEN6_BSD_RING_BASE),	/* 0x12000 (base) */
> +	RING_TAIL(VEBOX_RING_BASE),	/* 0x1a000 (base) */
> +	RING_TAIL(BLT_RING_BASE),	/* 0x22000 (base) */
>  	/* TODO: Other registers are not yet used */
>  };

Ok.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre
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