On 12/22/25 10:12 AM, Dmitry Baryshkov wrote: > On 22/12/2025 11:09, Konrad Dybcio wrote: >> On 12/20/25 5:52 PM, Dmitry Baryshkov wrote: >>> On Fri, Dec 19, 2025 at 05:41:09PM +0100, Luca Weiss wrote: >>>> Add support for MDSS on Milos. >>>> >>>> Signed-off-by: Luca Weiss <[email protected]> >>>> --- >>>> drivers/gpu/drm/msm/msm_mdss.c | 5 +++++ >>>> 1 file changed, 5 insertions(+) >>>> >>> >>> Reviewed-by: Dmitry Baryshkov <[email protected]> >>> >>> Though 14000 seems lower than the value for all other platforms. >> >> IIUC it's essentially "nonzero" or "first-level-above-just-nonzero" >> >> The downstream DT also defines a 140_000 and a 310_000 point.. though >> the middle one is never(?) used and the latter one is only used during >> UEFI handoff and upon the first commit after (runtime) resume > > If I remember correctly, those are also used for programming the LUTs or > other big tables into the hardware.
FWIW this is an interconnect path for non-DMA accesses so that only makes sense - huge writes could overwhelm the bus Konrad
