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drm/bridge: tc358767: Add more volatile registers

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These registers might change their value without any host write operation.

Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Reviewed-by: Robert Foss <rfoss@kernel.org>
Signed-off-by: Robert Foss <rfoss@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20231212075257.75084-6-alexander.stein@ew.tq-group.com
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Alexander Stein 2023-12-12 08:52:55 +01:00 committed by Robert Foss
parent b36bc498d1
commit ef34c0eb0b
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1 changed files with 7 additions and 0 deletions
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drivers/gpu/drm/bridge/tc358767.c
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@ -2049,9 +2049,16 @@ static bool tc_readable_reg(struct device *dev, unsigned int reg)
} }
static const struct regmap_range tc_volatile_ranges[] = { 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(VFUEN0, VFUEN0),
regmap_reg_range(SYSSTAT, SYSSTAT),
regmap_reg_range(GPIOI, GPIOI), regmap_reg_range(GPIOI, GPIOI),
regmap_reg_range(INTSTS_G, INTSTS_G), 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_AUXWDATA(0), DP0_AUXSTATUS),
regmap_reg_range(DP0_LTSTAT, DP0_SNKLTCHGREQ), regmap_reg_range(DP0_LTSTAT, DP0_SNKLTCHGREQ),
regmap_reg_range(DP_PHY_CTRL, DP_PHY_CTRL), regmap_reg_range(DP_PHY_CTRL, DP_PHY_CTRL),