diff options
| author | Marek Vasut <marex@denx.de> | 2022-10-16 03:35:56 +0300 |
|---|---|---|
| committer | Marek Vasut <marex@denx.de> | 2023-01-16 15:47:30 +0300 |
| commit | 01338bb82fed40a6a234c2b36a92367c8671adf0 (patch) | |
| tree | 5effddb195735071e33f46bd0b8a53b190f8db85 /drivers | |
| parent | da7faee2a15893596ae2da3fd2f719055070f74f (diff) | |
| download | linux-01338bb82fed40a6a234c2b36a92367c8671adf0.tar.xz | |
drm/bridge: tc358767: Set default CLRSIPO count
The current CLRSIPO count is still marginal and does not work with high
DSI clock rates in burst mode. Increase it further to allow the DSI link
to work at up to 1Gbps lane speed. This returns the counts to defaults
as provided by datasheet.
Fixes: ea6490b02240b ("drm/bridge: tc358767: increase CLRSIPO count")
Signed-off-by: Marek Vasut <marex@denx.de>
Acked-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20221016003556.406441-1-marex@denx.de
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/bridge/tc358767.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c index a4725efe812d..6d16ec45ea61 100644 --- a/drivers/gpu/drm/bridge/tc358767.c +++ b/drivers/gpu/drm/bridge/tc358767.c @@ -1264,10 +1264,10 @@ static int tc_dsi_rx_enable(struct tc_data *tc) u32 value; int ret; - regmap_write(tc->regmap, PPI_D0S_CLRSIPOCOUNT, 5); - regmap_write(tc->regmap, PPI_D1S_CLRSIPOCOUNT, 5); - regmap_write(tc->regmap, PPI_D2S_CLRSIPOCOUNT, 5); - regmap_write(tc->regmap, PPI_D3S_CLRSIPOCOUNT, 5); + regmap_write(tc->regmap, PPI_D0S_CLRSIPOCOUNT, 25); + regmap_write(tc->regmap, PPI_D1S_CLRSIPOCOUNT, 25); + regmap_write(tc->regmap, PPI_D2S_CLRSIPOCOUNT, 25); + regmap_write(tc->regmap, PPI_D3S_CLRSIPOCOUNT, 25); regmap_write(tc->regmap, PPI_D0S_ATMR, 0); regmap_write(tc->regmap, PPI_D1S_ATMR, 0); regmap_write(tc->regmap, PPI_TX_RX_TA, TTA_GET | TTA_SURE); |