[PATCH 5.10 170/563] drm/bridge: ti-sn65dsi86: Set max register for regmap

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From: Stephen Boyd <swboyd@xxxxxxxxxxxx>

[ Upstream commit 0b665d4af35837f0a0ae63135b84a3c187c1db3b ]

Set the maximum register to 0xff so we can dump the registers for this
device in debugfs.

Fixes: a095f15c00e2 ("drm/bridge: add support for sn65dsi86 bridge driver")
Cc: Rob Clark <robdclark@xxxxxxxxxxxx>
Cc: Douglas Anderson <dianders@xxxxxxxxxxxx>
Cc: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
Signed-off-by: Stephen Boyd <swboyd@xxxxxxxxxxxx>
Reviewed-by: Robert Foss <robert.foss@xxxxxxxxxx>
Signed-off-by: Robert Foss <robert.foss@xxxxxxxxxx>
Link: https://patchwork.freedesktop.org/patch/msgid/20211215002529.382383-1-swboyd@xxxxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/gpu/drm/bridge/ti-sn65dsi86.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi86.c b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
index ecdf9b01340f5..1a58481037b3f 100644
--- a/drivers/gpu/drm/bridge/ti-sn65dsi86.c
+++ b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
@@ -171,6 +171,7 @@ static const struct regmap_config ti_sn_bridge_regmap_config = {
 	.val_bits = 8,
 	.volatile_table = &ti_sn_bridge_volatile_table,
 	.cache_type = REGCACHE_NONE,
+	.max_register = 0xFF,
 };
 
 static void ti_sn_bridge_write_u16(struct ti_sn_bridge *pdata,
-- 
2.34.1






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