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authorChris Wang <chris.wang@amd.corp-partner.google.com>2020-12-23 04:42:26 +0800
committerPatrick Georgi <pgeorgi@google.com>2021-01-25 09:11:17 +0000
commit5e0db41602d7e1550d6f669e65dcceb91c291e65 (patch)
tree19452901c68d3a379e69390784d5960937d3c279 /src
parent3ec3cb82f9ad5d71d19bc461177cca19f9ec6a59 (diff)
mb/google/zork: adjust the eDP panel power sequence
set pwron_varybl_to_blon to 0x5, which means fw will delay 20ms between backlight on and vary backlight. BUG=b:171269338 BRANCH=zork TEST=Build; Verify the UPD was passed to system integrated table; measure the power on sequence on dalboz Signed-off-by: Chris Wang <chris.wang@amd.corp-partner.google.com> Change-Id: I8af35eee7777a8e71b42f0c128795290b8c2c93e Reviewed-on: https://review.coreboot.org/c/coreboot/+/48865 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: EricR Lai <ericr_lai@compal.corp-partner.google.com>
Diffstat (limited to 'src')
-rw-r--r--src/mainboard/google/zork/variants/vilboz/overridetree.cb12
1 files changed, 12 insertions, 0 deletions
diff --git a/src/mainboard/google/zork/variants/vilboz/overridetree.cb b/src/mainboard/google/zork/variants/vilboz/overridetree.cb
index ddcaf53d3b..c3afe1372a 100644
--- a/src/mainboard/google/zork/variants/vilboz/overridetree.cb
+++ b/src/mainboard/google/zork/variants/vilboz/overridetree.cb
@@ -26,6 +26,18 @@ chip soc/amd/picasso
# eDP phy tuning settings
register "dp_phy_override" = "ENABLE_EDP_TUNINGSET"
+ # eDP power sequence. all pwr sequence numbers below are in uint of 4ms,
+ # and "0" as default value
+ register "edp_pwr_adjust_enable" = "1"
+ register "pwron_digon_to_de" = "0"
+ register "pwron_de_to_varybl" = "0"
+ register "pwrdown_varybloff_to_de" = "0"
+ register "pwrdown_de_to_digoff" = "0"
+ register "pwroff_delay" = "0"
+ register "pwron_varybl_to_blon" = "5"
+ register "pwrdown_bloff_to_varybloff" = "5"
+ register "min_allowed_bl_level" = "0"
+
register "edp_tuningset" = "{
.dp_vs_pemph_level = 0x0,
.deemph_6db4 = 0x004b,