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Message-ID: <f70c125c-605c-db9b-9c3b-2e3abf1359f9@free.fr>
Date:   Tue, 22 May 2018 01:09:07 -0700
From:   Martin Peres <martin.peres@...e.fr>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-kernel@...r.kernel.org
Cc:     Oscar Mateo <oscar.mateo@...el.com>,
        Michel Thierry <michel.thierry@...el.com>,
        Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
        stable@...r.kernel.org,
        Mika Kuoppala <mika.kuoppala@...ux.intel.com>,
        mesa-dev@...ts.freedesktop.org
Subject: Re: [Mesa-dev] [PATCH 4.16 039/110] drm/i915/gen9: Add
 WaClearHIZ_WM_CHICKEN3 for bxt and glk

Sorry for top-posting, but why is this email on mesa-dev, and not on
intel-gfx? I mean, the latter is for the kernel driver while the former
is the userspace 3d driver, so intel-gfx@...ts.freedesktop.org is
definitely the prefered mailing list for these discussions.

Martin

On 21/05/18 14:11, Greg Kroah-Hartman wrote:
> 4.16-stable review patch.  If anyone has any objections, please let me know.
> 
> ------------------
> 
> From: Michel Thierry <michel.thierry@...el.com>
> 
> commit b579f924a90f42fa561afd8201514fc216b71949 upstream.
> 
> Factor in clear values wherever required while updating destination
> min/max.
> 
> References: HSDES#1604444184
> Signed-off-by: Michel Thierry <michel.thierry@...el.com>
> Cc: mesa-dev@...ts.freedesktop.org
> Cc: Mika Kuoppala <mika.kuoppala@...ux.intel.com>
> Cc: Oscar Mateo <oscar.mateo@...el.com>
> Reviewed-by: Mika Kuoppala <mika.kuoppala@...ux.intel.com>
> Signed-off-by: Chris Wilson <chris@...is-wilson.co.uk>
> Link: https://patchwork.freedesktop.org/patch/msgid/20180510200708.18097-1-michel.thierry@intel.com
> Cc: stable@...r.kernel.org
> Cc: Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>
> Link: https://patchwork.freedesktop.org/patch/msgid/20180514165445.9198-1-michel.thierry@intel.com
> (backported from commit 0c79f9cb77eae28d48a4f9fc1b3341aacbbd260c)
> Signed-off-by: Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>
> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> 
> ---
>  drivers/gpu/drm/i915/i915_reg.h        |    3 +++
>  drivers/gpu/drm/i915/intel_engine_cs.c |    4 ++++
>  2 files changed, 7 insertions(+)
> 
> --- a/drivers/gpu/drm/i915/i915_reg.h
> +++ b/drivers/gpu/drm/i915/i915_reg.h
> @@ -7139,6 +7139,9 @@ enum {
>  #define SLICE_ECO_CHICKEN0			_MMIO(0x7308)
>  #define   PIXEL_MASK_CAMMING_DISABLE		(1 << 14)
>  
> +#define GEN9_WM_CHICKEN3			_MMIO(0x5588)
> +#define   GEN9_FACTOR_IN_CLR_VAL_HIZ		(1 << 9)
> +
>  /* WaCatErrorRejectionIssue */
>  #define GEN7_SQ_CHICKEN_MBCUNIT_CONFIG		_MMIO(0x9030)
>  #define  GEN7_SQ_CHICKEN_MBCUNIT_SQINTMOB	(1<<11)
> --- a/drivers/gpu/drm/i915/intel_engine_cs.c
> +++ b/drivers/gpu/drm/i915/intel_engine_cs.c
> @@ -1098,6 +1098,10 @@ static int gen9_init_workarounds(struct
>  	WA_SET_FIELD_MASKED(GEN8_CS_CHICKEN1, GEN9_PREEMPT_GPGPU_LEVEL_MASK,
>  			    GEN9_PREEMPT_GPGPU_COMMAND_LEVEL);
>  
> +	/* WaClearHIZ_WM_CHICKEN3:bxt,glk */
> +	if (IS_GEN9_LP(dev_priv))
> +		WA_SET_BIT_MASKED(GEN9_WM_CHICKEN3, GEN9_FACTOR_IN_CLR_VAL_HIZ);
> +
>  	/* WaVFEStateAfterPipeControlwithMediaStateClear:skl,bxt,glk,cfl */
>  	ret = wa_ring_whitelist_reg(engine, GEN9_CTX_PREEMPT_REG);
>  	if (ret)
> 
> 
> _______________________________________________
> mesa-dev mailing list
> mesa-dev@...ts.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/mesa-dev
> 

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