github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-11-08 21:24:02 +01:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

drm/amd/display: fix HPD program filter programming

Browse Source 
[why]
fix a regression when moving logic from dal_hw_hpd_set_config to link_enc:
Toggle_filter HW register programming is in wrong unit,
which caused the connection time extreamly long.

Reviewed-by: Ovidiu Bunea <ovidiu.bunea@amd.com>
Signed-off-by: Charlene Liu <Charlene.Liu@amd.com>
Signed-off-by: Tom Chung <chiahsuan.chung@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Charlene Liu 2026-07-27 18:08:20 -04:00 committed by Alex Deucher
parent cadc58e024
commit 6ee70c955f
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/gpu/drm/amd/display/dc/dio/dcn42/dcn42_dio_link_encoder.c
View File

@ -58,8 +58,8 @@ bool dcn42_program_hpd_filter(struct link_encoder *enc, int delay_on_connect_in_
struct dcn10_link_encoder *enc10 = TO_DCN10_LINK_ENC(enc);
HPD_REG_SET_2(DC_HPD_TOGGLE_FILT_CNTL, 0,
DC_HPD_CONNECT_INT_DELAY, delay_on_connect_in_ms,
DC_HPD_DISCONNECT_INT_DELAY, delay_on_disconnect_in_ms);
DC_HPD_CONNECT_INT_DELAY, delay_on_connect_in_ms / 10,
DC_HPD_DISCONNECT_INT_DELAY, delay_on_disconnect_in_ms / 10);
return true;
}