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dcp: Wait 25ms after enabling dcp/dptx-phy power-domains

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Fixes display initialization from stage 1 m1n1. 20ms looked reliable on
j473 but let's add 25% safety margin. Someone with more motivation (and
HW serial) to do repeated `kmutil configure-boot ...` can try to
minimize this and test on t602x.

Signed-off-by: Janne Grunau <j@jannau.net>
This commit is contained in:
Janne Grunau 2023-10-06 08:22:47 +02:00 committed by Hector Martin
parent 0097d51149
commit 50ac69eaa5
1 changed files with 1 additions and 0 deletions
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src/dcp.c
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@ -118,6 +118,7 @@ dcp_dev_t *dcp_init(const display_config_t *cfg)
dcp_die = cfg->die;
pmgr_adt_power_enable(cfg->dcp);
pmgr_adt_power_enable(cfg->dptx_phy);
mdelay(25);
}
int dart_node = adt_path_offset(adt, cfg->dcp_dart);