On Fri, Dec 20, 2024 at 08:56:31PM +0100, Konrad Dybcio wrote: > On 13.12.2024 12:46 PM, Akhil P Oommen wrote: > > From: Jie Zhang <quic_jiezh@xxxxxxxxxxx> > > > > Add support for Adreno 612 GPU found in SM6150/QCS615 chipsets. > > A612 falls under ADRENO_6XX_GEN1 family and is a cut down version > > of A615 GPU. > > > > A612 has a new IP called Reduced Graphics Management Unit or RGMU > > which is a small state machine which helps to toggle GX GDSC > > (connected to CX rail) to implement IFPC feature. It doesn't support > > any other features of a full fledged GMU like clock control, resource > > voting to rpmh etc. So we need linux clock driver support like other > > gmu-wrapper implementations to control gpu core clock and gpu GX gdsc. > > Since there is no benefit with enabling RGMU at the moment, RGMU is > > entirely skipped in this patch. > > > > Signed-off-by: Jie Zhang <quic_jiezh@xxxxxxxxxxx> > > Signed-off-by: Akhil P Oommen <quic_akhilpo@xxxxxxxxxxx> > > Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxxxx> > > --- > > So we talked offline a bit, and the RGMU requires a piece of firmware. > > We concluded it's best to describe that from the get-go, so that the > user doesn't get surprised when a new kernel update brings new firmware > requirements for previously-working hardware. I'd say, please make sure that the RGMU firmware is also a part of the linux-firmware from the beginning. > > Please wait for the new revision. > > Konrad -- With best wishes Dmitry
