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authorJonathan Gray <jsg@cvs.openbsd.org>2022-06-22 22:49:11 +0000
committerJonathan Gray <jsg@cvs.openbsd.org>2022-06-22 22:49:11 +0000
commita20552fa25eef069b6a3cc82f17856da7ad398dd (patch)
tree53d5ec014bc22dc67e4e4e19f8cdf9e5698f9de8 /sys/dev
parent1d2b2629ce565f49b9444b0c2892589fdd78012c (diff)
drm/amd/display: Read Golden Settings Table from VBIOS
From Sherry Wang a2010538c9d25bafb35ebaff4d9eb9d0390b402b in linux 5.15.y/5.15.49 4b81dd2cc6f4f4e8cea0ed6ee8d5193a8ae14a72 in mainline linux
Diffstat (limited to 'sys/dev')
-rw-r--r--sys/dev/pci/drm/amd/display/dc/dcn31/dcn31_dio_link_encoder.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/sys/dev/pci/drm/amd/display/dc/dcn31/dcn31_dio_link_encoder.c b/sys/dev/pci/drm/amd/display/dc/dcn31/dcn31_dio_link_encoder.c
index b47830ce1bf..67a1094a0fd 100644
--- a/sys/dev/pci/drm/amd/display/dc/dcn31/dcn31_dio_link_encoder.c
+++ b/sys/dev/pci/drm/amd/display/dc/dcn31/dcn31_dio_link_encoder.c
@@ -168,9 +168,7 @@ void enc31_hw_init(struct link_encoder *enc)
AUX_RX_PHASE_DETECT_LEN, [21,20] = 0x3 default is 3
AUX_RX_DETECTION_THRESHOLD [30:28] = 1
*/
- AUX_REG_WRITE(AUX_DPHY_RX_CONTROL0, 0x103d1110);
-
- AUX_REG_WRITE(AUX_DPHY_TX_CONTROL, 0x21c7a);
+ // dmub will read AUX_DPHY_RX_CONTROL0/AUX_DPHY_TX_CONTROL from vbios table in dp_aux_init
//AUX_DPHY_TX_REF_CONTROL'AUX_TX_REF_DIV HW default is 0x32;
// Set AUX_TX_REF_DIV Divider to generate 2 MHz reference from refclk