Dne nedelja, 10. marec 2024 ob 14:21:15 CET je Frank Oltmanns napisal(a):
> The Allwinner A64's GPU has currently three operating points. However,
> the BSP runs the GPU fixed at 432 MHz. In addition, at least one of the
> devices using that SoC - the pinephone - shows unstabilities (see link)
> that can be circumvented by running the GPU at a fixed rate.
>
> Therefore, remove the other two operating points from the GPU OPP table,
> so that the GPU runs at a fixed rate of 432 MHz.
>
> Link: https://gitlab.com/postmarketOS/pmaports/-/issues/805
> Acked-by: Erico Nunes <nunes.erico@gmail.com>
> Signed-off-by: Frank Oltmanns <frank@oltmanns.dev>
Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Best regards,
Jernej
> ---
> arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 8 --------
> 1 file changed, 8 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
> index 57ac18738c99..c810380aab6d 100644
> --- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
> +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
> @@ -107,14 +107,6 @@ de: display-engine {
> gpu_opp_table: opp-table-gpu {
> compatible = "operating-points-v2";
>
> - opp-120000000 {
> - opp-hz = /bits/ 64 <120000000>;
> - };
> -
> - opp-312000000 {
> - opp-hz = /bits/ 64 <312000000>;
> - };
> -
> opp-432000000 {
> opp-hz = /bits/ 64 <432000000>;
> };
>
>