linux-kernel - Re: [PATCH v4 3/6] drm/panfrost: Set HW_FEATURE_AARCH64

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Message-ID: <rocdajh3msvq2mesaftg4garbdxl4qn77kxpqhwn4pv2wncc45@x7iejre6y3kb>
Date: Sat, 22 Mar 2025 18:37:15 +0000
From: Adrian Larumbe <adrian.larumbe@...labora.com>
To: Ariel D'Alessandro <ariel.dalessandro@...labora.com>
Cc: dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org, 
	boris.brezillon@...labora.com, robh@...nel.org, steven.price@....com, 
	maarten.lankhorst@...ux.intel.com, mripard@...nel.org, tzimmermann@...e.de, airlied@...il.com, 
	simona@...ll.ch, kernel@...labora.com, linux-mediatek@...ts.infradead.org, 
	linux-arm-kernel@...ts.infradead.org, sjoerd@...labora.com, angelogioacchino.delregno@...labora.com
Subject: Re: [PATCH v4 3/6] drm/panfrost: Set HW_FEATURE_AARCH64_MMU feature
 flag on Bifrost models

On 17.03.2025 11:52, Ariel D'Alessandro wrote:
> Set this feature flag on all Mali Bifrost platforms as the MMU supports
> AARCH64 4K page table format.
>
> Signed-off-by: Ariel D'Alessandro <ariel.dalessandro@...labora.com>
> Reviewed-by: Boris Brezillon <boris.brezillon@...labora.com>
> Reviewed-by: Steven Price <steven.price@....com>
> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>

Reviewed-by: Adrián Larumbe <adrian.larumbe@...labora.com>

> ---
>  drivers/gpu/drm/panfrost/panfrost_features.h | 3 +++
>  1 file changed, 3 insertions(+)
>
> diff --git a/drivers/gpu/drm/panfrost/panfrost_features.h b/drivers/gpu/drm/panfrost/panfrost_features.h
> index 7ed0cd3ea2d4c..52f9d69f6db9d 100644
> --- a/drivers/gpu/drm/panfrost/panfrost_features.h
> +++ b/drivers/gpu/drm/panfrost/panfrost_features.h
> @@ -54,6 +54,7 @@ enum panfrost_hw_feature {
>  	BIT_ULL(HW_FEATURE_THREAD_GROUP_SPLIT) | \
>  	BIT_ULL(HW_FEATURE_FLUSH_REDUCTION) | \
>  	BIT_ULL(HW_FEATURE_PROTECTED_MODE) | \
> +	BIT_ULL(HW_FEATURE_AARCH64_MMU) | \
>  	BIT_ULL(HW_FEATURE_COHERENCY_REG))
>
>  #define hw_features_g72 (\
> @@ -64,6 +65,7 @@ enum panfrost_hw_feature {
>  	BIT_ULL(HW_FEATURE_FLUSH_REDUCTION) | \
>  	BIT_ULL(HW_FEATURE_PROTECTED_MODE) | \
>  	BIT_ULL(HW_FEATURE_PROTECTED_DEBUG_MODE) | \
> +	BIT_ULL(HW_FEATURE_AARCH64_MMU) | \
>  	BIT_ULL(HW_FEATURE_COHERENCY_REG))
>
>  #define hw_features_g51 hw_features_g72
> @@ -77,6 +79,7 @@ enum panfrost_hw_feature {
>  	BIT_ULL(HW_FEATURE_PROTECTED_MODE) | \
>  	BIT_ULL(HW_FEATURE_PROTECTED_DEBUG_MODE) | \
>  	BIT_ULL(HW_FEATURE_IDVS_GROUP_SIZE) | \
> +	BIT_ULL(HW_FEATURE_AARCH64_MMU) | \
>  	BIT_ULL(HW_FEATURE_COHERENCY_REG))
>
>  #define hw_features_g76 (\
> --
> 2.47.2


Adrian Larumbe