Re: [PATCH v1 5/6] drm/panfrost: Enable AARCH64_4K page table format on mediatek_mt8188

[Boris Brezillon]

On Mon, 10 Mar 2025 16:59:20 -0300
Ariel D'Alessandro <ariel.dalessandro@xxxxxxxxxxxxx> wrote:

> Now that Panfrost supports AARCH64_4K page table format, let's enable it
> on Mediatek MT8188.

Can you maybe give more details on why this is needed
(legacy shareability/cacheability not suitable for this GPU?)?

> 
> Signed-off-by: Ariel D'Alessandro <ariel.dalessandro@xxxxxxxxxxxxx>
> ---
>  drivers/gpu/drm/panfrost/panfrost_drv.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/gpu/drm/panfrost/panfrost_drv.c b/drivers/gpu/drm/panfrost/panfrost_drv.c
> index 0f3935556ac76..d7b8bded6d784 100644
> --- a/drivers/gpu/drm/panfrost/panfrost_drv.c
> +++ b/drivers/gpu/drm/panfrost/panfrost_drv.c
> @@ -824,6 +824,7 @@ static const struct panfrost_compatible mediatek_mt8188_data = {
>  	.num_pm_domains = ARRAY_SIZE(mediatek_mt8183_pm_domains),
>  	.pm_domain_names = mediatek_mt8183_pm_domains,
>  	.pm_features = BIT(GPU_PM_CLK_DIS) | BIT(GPU_PM_VREG_OFF),
> +	.gpu_configs = BIT(GPU_CONFIG_AARCH64_4K),
>  };
>  
>  static const char * const mediatek_mt8192_supplies[] = { "mali", NULL };