From: Lucas Stach Date: Wed, 6 Jul 2022 13:28:11 +0000 (+0200) Subject: drm/bridge: tc358767: increase CLRSIPO count X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=ea6490b02240bd7939a3a13bc8d3f25046c01585;p=linux.git drm/bridge: tc358767: increase CLRSIPO count The current CLRSIPO count is marginal and does not work with high DSI clock rates. Increase it a bit to allow the DSI link to work at up to 1Gbps lane speed. Signed-off-by: Lucas Stach Reviewed-by: Marek Vasut Tested-by: Marek Vasut Signed-off-by: Marek Vasut Link: https://patchwork.freedesktop.org/patch/msgid/20220706132812.2171250-2-l.stach@pengutronix.de --- diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c index 578aca2fe9f90..2f6cb0c6902f5 100644 --- a/drivers/gpu/drm/bridge/tc358767.c +++ b/drivers/gpu/drm/bridge/tc358767.c @@ -1258,10 +1258,10 @@ static int tc_dsi_rx_enable(struct tc_data *tc) u32 value; int ret; - regmap_write(tc->regmap, PPI_D0S_CLRSIPOCOUNT, 3); - regmap_write(tc->regmap, PPI_D1S_CLRSIPOCOUNT, 3); - regmap_write(tc->regmap, PPI_D2S_CLRSIPOCOUNT, 3); - regmap_write(tc->regmap, PPI_D3S_CLRSIPOCOUNT, 3); + 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_ATMR, 0); regmap_write(tc->regmap, PPI_D1S_ATMR, 0); regmap_write(tc->regmap, PPI_TX_RX_TA, TTA_GET | TTA_SURE);