Re: [PATCH 35/89] drm/i915/skl: Implement Wa4x4STCOptimizationDisable:skl

Rodrigo Vivi
2014-09-17T19:00:03Z

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Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

On Thu, Sep 4, 2014 at 4:27 AM, Damien Lespiau <damien.lespiau@intel.com>
wrote:

> Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
> ---
> drivers/gpu/drm/i915/intel_pm.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/intel_pm.c
> b/drivers/gpu/drm/i915/intel_pm.c
> index 0dc148c..c38baea 100644
> --- a/drivers/gpu/drm/i915/intel_pm.c
> +++ b/drivers/gpu/drm/i915/intel_pm.c
> @@ -76,6 +76,10 @@ static void gen9_init_clock_gating(struct drm_device
> *dev)
> */
> I915_WRITE(GEN8_UCGCTL6, I915_READ(GEN8_UCGCTL6) |
> GEN8_SDEUNIT_CLOCK_GATE_DISABLE);
> +
> + /* Wa4x4STCOptimizationDisable:skl */
> + I915_WRITE(CACHE_MODE_1,
> + _MASKED_BIT_ENABLE(GEN8_4x4_STC_OPTIMIZATION_DISABLE));
> }
>
> static void i8xx_disable_fbc(struct drm_device *dev)
> --
> 1.8.3.1
>
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>

--
Rodrigo Vivi
Blog: http://blog.vivi.eng.br

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