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drm/bridge/analogix: anx6345: Fix color depth configuration

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Change-Id: Ifa805c62c5d6003f6b2c1a243c0f6e2c8274c681
Signed-off-by: Wyon Bi <bivvy.bi@rock-chips.com>
This commit is contained in:
Wyon Bi
2018-12-17 15:48:48 +08:00
parent e3f58e3158
commit 126d216d71
1 changed files with 19 additions and 2 deletions
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21
drivers/gpu/drm/bridge/analogix/analogix-anx6345.c
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@@ -233,11 +233,28 @@ static int anx6345_dp_link_training(struct anx6345 *anx6345)
static int anx6345_tx_initialization(struct anx6345 *anx6345)
{
struct drm_display_info *di = &anx6345->connector.display_info;
int err, i;
u32 color_depth;
switch (di->bpc) {
case 12:
color_depth = SP_IN_BPC_12BIT;
break;
case 10:
color_depth = SP_IN_BPC_10BIT;
break;
case 6:
color_depth = SP_IN_BPC_6BIT;
break;
case 8:
default:
color_depth = SP_IN_BPC_8BIT;
break;
}
/* FIXME: hardcode color depth now */
err = regmap_write(anx6345->map[I2C_IDX_TXCOM], SP_VID_CTRL2_REG,
SP_IN_BPC_6BIT << SP_IN_BPC_SHIFT);
color_depth << SP_IN_BPC_SHIFT);
if (err)
return err;