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authorsw.multimedia <sw.multimedia@starfivetech.com>2021-08-31 11:48:57 +0300
committerEmil Renner Berthing <emil.renner.berthing@canonical.com>2024-04-13 23:33:34 +0300
commit51ff93115378e2d7e269fca3cfdcdc9afe76c26f (patch)
treef5f747ca18fb7b1af8b99d6116b48424fe76c1d2
parent9f950371d3fc874eed9386fd9eb2e1ef567a3e1e (diff)
downloadlinux-51ff93115378e2d7e269fca3cfdcdc9afe76c26f.tar.xz
drm/i2c/tda998x: Hardcode register values for Starlight
A proper solution to this hack should be found. Signed-off-by: jack.zhu <jack.zhu@starfivetech.com> Signed-off-by: keith.zhao <keith.zhao@starfivetech.com>
-rw-r--r--drivers/gpu/drm/i2c/tda998x_drv.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c b/drivers/gpu/drm/i2c/tda998x_drv.c
index d8d7de18dd65..2a612b901572 100644
--- a/drivers/gpu/drm/i2c/tda998x_drv.c
+++ b/drivers/gpu/drm/i2c/tda998x_drv.c
@@ -1606,7 +1606,9 @@ static void tda998x_bridge_mode_set(struct drm_bridge *bridge,
reg |= VIP_CNTRL_3_H_TGL;
if (mode->flags & DRM_MODE_FLAG_NVSYNC)
reg |= VIP_CNTRL_3_V_TGL;
- reg_write(priv, REG_VIP_CNTRL_3, reg);
+ //reg_write(priv, REG_VIP_CNTRL_3, reg);
+ reg_write(priv, REG_VIP_CNTRL_3, 0x26);
+ reg_write(priv, REG_VIDFORMAT, 0x06);
reg_write(priv, REG_VIDFORMAT, 0x00);
reg_write16(priv, REG_REFPIX_MSB, ref_pix);
@@ -1644,7 +1646,8 @@ static void tda998x_bridge_mode_set(struct drm_bridge *bridge,
reg |= TBG_CNTRL_1_H_TGL;
if (mode->flags & DRM_MODE_FLAG_NVSYNC)
reg |= TBG_CNTRL_1_V_TGL;
- reg_write(priv, REG_TBG_CNTRL_1, reg);
+ //reg_write(priv, REG_TBG_CNTRL_1, reg);
+ reg_write(priv, REG_TBG_CNTRL_1, 0x46);
/* must be last register set: */
reg_write(priv, REG_TBG_CNTRL_0, 0);