Re: [PATCH v2 13/16] arm64: dts: mediatek: mt8195: Add mfg_core_tmp clock to MFG1 domain

[Chen-Yu Tsai]

On Thu, Feb 23, 2023 at 9:44 PM AngeloGioacchino Del Regno
<angelogioacchino.delregno@xxxxxxxxxxxxx> wrote:
>
> Similarly to what can be seen in MT8192, on MT8195 the mfg_core_tmp
> clock is a mux used to switch between different "safe" (and slower)
> clock sources for the GPU: this is used during MFGPLL reconfiguration
> and eventually during idling at very low frequencies.
>
> This clock getting turned off means that the GPU will occasionally be
> unclocked, producing obvious consequences such as system crash or
> unpredictable behavior: assigning it to the top level MFG power domain
> will make sure that this stays on at all times during any operation on
> the MFG domain (only GPU-related transactions).
>
> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>

Reviewed-by: Chen-Yu Tsai <wenst@xxxxxxxxxxxx>