drm/bridge: tc358767: Add more volatile registers

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

diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c
index 45f8876210fea8235e35f393325dbff2b21a50e4..d1cde022cb5e603b73c214d441e65d7aa6b0fb3f 100644 (file)
--- 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),