drm/sun4i: mixer: Extend regmap max_register

Better guess. Secondary CSC registers are from 0xF0000.

Signed-off-by: Martin Cerveny <m.cerveny@computer.org>
Reviewed-by: Jernej Skrabec <jernej.skrabec@siol.net>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20200906162140.5584-3-m.cerveny@computer.org

diff --git a/drivers/gpu/drm/sun4i/sun8i_mixer.c b/drivers/gpu/drm/sun4i/sun8i_mixer.c
index cc4fb91..c330402 100644 (file)
--- a/drivers/gpu/drm/sun4i/sun8i_mixer.c
+++ b/drivers/gpu/drm/sun4i/sun8i_mixer.c
@@ -307,7 +307,7 @@ static struct regmap_config sun8i_mixer_regmap_config = {
        .reg_bits       = 32,
        .val_bits       = 32,
        .reg_stride     = 4,
-       .max_register   = 0xbfffc, /* guessed */
+       .max_register   = 0xffffc, /* guessed */
 };
 
 static int sun8i_mixer_of_get_id(struct device_node *node)