On Mon, Mar 4, 2024 at 6:01 PM Frank Oltmanns <frank@xxxxxxxxxxxx> wrote: > > 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. In addition to all of this, the A64 user manual does say explicitly that "dynamic frequency scaling is not supported" on PLL_GPU. So I think this is really needed for a reliable GPU experience on A64. Acked-by: Erico Nunes <nunes.erico@xxxxxxxxx> Thanks Erico
