On Tue, Dec 12, 2023 at 8:53 AM Alexander Stein <alexander.stein@xxxxxxxxxxxxxxx> wrote: > > These registers might change their value without any host write operation. > > Signed-off-by: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxx> > --- > drivers/gpu/drm/bridge/tc358767.c | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c > index 61d8710f46293..152a6dc916079 100644 > --- a/drivers/gpu/drm/bridge/tc358767.c > +++ b/drivers/gpu/drm/bridge/tc358767.c > @@ -2049,9 +2049,16 @@ static bool tc_readable_reg(struct device *dev, unsigned int reg) > } > > static const struct regmap_range tc_volatile_ranges[] = { > + regmap_reg_range(PPI_BUSYPPI, PPI_BUSYPPI), > + regmap_reg_range(DSI_BUSYDSI, DSI_BUSYDSI), > + regmap_reg_range(DSI_LANESTATUS0, DSI_INTSTATUS), > + regmap_reg_range(DSIERRCNT, DSIERRCNT), > regmap_reg_range(VFUEN0, VFUEN0), > + regmap_reg_range(SYSSTAT, SYSSTAT), > regmap_reg_range(GPIOI, GPIOI), > regmap_reg_range(INTSTS_G, INTSTS_G), > + regmap_reg_range(DP0_VMNGENSTATUS, DP0_VMNGENSTATUS), > + regmap_reg_range(DP0_AMNGENSTATUS, DP0_AMNGENSTATUS), > regmap_reg_range(DP0_AUXWDATA(0), DP0_AUXSTATUS), > regmap_reg_range(DP0_LTSTAT, DP0_SNKLTCHGREQ), > regmap_reg_range(DP_PHY_CTRL, DP_PHY_CTRL), > -- > 2.34.1 > Reviewed-by: Robert Foss <rfoss@xxxxxxxxxx>