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From: Harry Wentland <harry.wentland-5C7GfCeVMHo@public.gmane.org>
To: Kees Cook <keescook-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>,
	Alex Deucher <alexander.deucher-5C7GfCeVMHo@public.gmane.org>
Cc: dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org,
	Tony Cheng <Tony.Cheng-5C7GfCeVMHo@public.gmane.org>,
	Vitaly Prosyak <vitaly.prosyak-5C7GfCeVMHo@public.gmane.org>,
	amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH] drm/amd/display: Use 2-factor allocator calls
Date: Wed, 4 Jul 2018 13:53:34 -0400	[thread overview]
Message-ID: <fdbc41fb-2aba-626d-da69-b03ecca40d4e@amd.com> (raw)
In-Reply-To: <20180704172730.GA33562@beast>

On 2018-07-04 01:27 PM, Kees Cook wrote:
> As already done treewide, switch from open-coded multiplication to
> 2-factor allocation helper.
> 
> Signed-off-by: Kees Cook <keescook@chromium.org>

Reviewed-by: Harry Wentland <harry.wentland@amd.com>

Harry

> ---
>  drivers/gpu/drm/amd/display/modules/color/color_gamma.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/gpu/drm/amd/display/modules/color/color_gamma.c b/drivers/gpu/drm/amd/display/modules/color/color_gamma.c
> index 98edaefa2b47..ee69c949bfbf 100644
> --- a/drivers/gpu/drm/amd/display/modules/color/color_gamma.c
> +++ b/drivers/gpu/drm/amd/display/modules/color/color_gamma.c
> @@ -1723,8 +1723,8 @@ bool  mod_color_calculate_curve(enum dc_transfer_func_predefined trans,
>  		kvfree(rgb_regamma);
>  	} else if (trans == TRANSFER_FUNCTION_HLG ||
>  		trans == TRANSFER_FUNCTION_HLG12) {
> -		rgb_regamma = kvzalloc(sizeof(*rgb_regamma) *
> -				       (MAX_HW_POINTS + _EXTRA_POINTS),
> +		rgb_regamma = kvcalloc(MAX_HW_POINTS + _EXTRA_POINTS,
> +				       sizeof(*rgb_regamma),
>  				       GFP_KERNEL);
>  		if (!rgb_regamma)
>  			goto rgb_regamma_alloc_fail;
> @@ -1802,8 +1802,8 @@ bool  mod_color_calculate_degamma_curve(enum dc_transfer_func_predefined trans,
>  		kvfree(rgb_degamma);
>  	} else if (trans == TRANSFER_FUNCTION_HLG ||
>  		trans == TRANSFER_FUNCTION_HLG12) {
> -		rgb_degamma = kvzalloc(sizeof(*rgb_degamma) *
> -				       (MAX_HW_POINTS + _EXTRA_POINTS),
> +		rgb_degamma = kvcalloc(MAX_HW_POINTS + _EXTRA_POINTS,
> +				       sizeof(*rgb_degamma),
>  				       GFP_KERNEL);
>  		if (!rgb_degamma)
>  			goto rgb_degamma_alloc_fail;
> 
_______________________________________________
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amd-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx

WARNING: multiple messages have this Message-ID (diff)
From: Harry Wentland <harry.wentland@amd.com>
To: Kees Cook <keescook@chromium.org>,
	Alex Deucher <alexander.deucher@amd.com>
Cc: Vitaly Prosyak <vitaly.prosyak@amd.com>,
	Tony Cheng <Tony.Cheng@amd.com>,
	amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] drm/amd/display: Use 2-factor allocator calls
Date: Wed, 4 Jul 2018 13:53:34 -0400	[thread overview]
Message-ID: <fdbc41fb-2aba-626d-da69-b03ecca40d4e@amd.com> (raw)
In-Reply-To: <20180704172730.GA33562@beast>

On 2018-07-04 01:27 PM, Kees Cook wrote:
> As already done treewide, switch from open-coded multiplication to
> 2-factor allocation helper.
> 
> Signed-off-by: Kees Cook <keescook@chromium.org>

Reviewed-by: Harry Wentland <harry.wentland@amd.com>

Harry

> ---
>  drivers/gpu/drm/amd/display/modules/color/color_gamma.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/gpu/drm/amd/display/modules/color/color_gamma.c b/drivers/gpu/drm/amd/display/modules/color/color_gamma.c
> index 98edaefa2b47..ee69c949bfbf 100644
> --- a/drivers/gpu/drm/amd/display/modules/color/color_gamma.c
> +++ b/drivers/gpu/drm/amd/display/modules/color/color_gamma.c
> @@ -1723,8 +1723,8 @@ bool  mod_color_calculate_curve(enum dc_transfer_func_predefined trans,
>  		kvfree(rgb_regamma);
>  	} else if (trans == TRANSFER_FUNCTION_HLG ||
>  		trans == TRANSFER_FUNCTION_HLG12) {
> -		rgb_regamma = kvzalloc(sizeof(*rgb_regamma) *
> -				       (MAX_HW_POINTS + _EXTRA_POINTS),
> +		rgb_regamma = kvcalloc(MAX_HW_POINTS + _EXTRA_POINTS,
> +				       sizeof(*rgb_regamma),
>  				       GFP_KERNEL);
>  		if (!rgb_regamma)
>  			goto rgb_regamma_alloc_fail;
> @@ -1802,8 +1802,8 @@ bool  mod_color_calculate_degamma_curve(enum dc_transfer_func_predefined trans,
>  		kvfree(rgb_degamma);
>  	} else if (trans == TRANSFER_FUNCTION_HLG ||
>  		trans == TRANSFER_FUNCTION_HLG12) {
> -		rgb_degamma = kvzalloc(sizeof(*rgb_degamma) *
> -				       (MAX_HW_POINTS + _EXTRA_POINTS),
> +		rgb_degamma = kvcalloc(MAX_HW_POINTS + _EXTRA_POINTS,
> +				       sizeof(*rgb_degamma),
>  				       GFP_KERNEL);
>  		if (!rgb_degamma)
>  			goto rgb_degamma_alloc_fail;
> 

  reply	other threads:[~2018-07-04 17:53 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-07-04 17:27 [PATCH] drm/amd/display: Use 2-factor allocator calls Kees Cook
2018-07-04 17:53 ` Harry Wentland [this message]
2018-07-04 17:53   ` Harry Wentland
2018-07-05 13:37 ` Michel Dänzer
2018-07-05 13:37   ` Michel Dänzer
2018-07-05 15:55   ` Kees Cook

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