On Thu, Feb 23, 2023 at 9:44 PM AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx> wrote: > > The mfg_ref_sel 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>
