system/linux
system/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux synced 2024-07-22 19:21:07 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

drm/amd/display: Update RN/VGH active display count workaround

Browse source 
[WHY]
Virtual signals were previously counted as a workaround to S0i2 hang
which is fixed on Renoir. This blocks S0i3 diags testing.

[HOW]
Stop counting virtual signals as S0i2 hang is fixed on Renoir.

Signed-off-by: Michael Strauss <michael.strauss@amd.com>
Acked-by: Bindu Ramamurthy <bindu.r@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Michael Strauss 2020-11-30 12:14:00 -05:00 committed by Alex Deucher
parent cf7fc75523
commit e82632356d
2 changed files with 2 additions and 16 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

9
drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c
View file

@ -75,15 +75,8 @@ int rn_get_active_display_cnt_wa(
for (i = 0; i < dc->link_count; i++) {
const struct dc_link *link = dc->links[i];
/*
* Only notify active stream or virtual stream.
* Need to notify virtual stream to work around
* headless case. HPD does not fire when system is in
* S0i2.
*/
/* abusing the fact that the dig and phy are coupled to see if the phy is enabled */
if (link->connector_signal == SIGNAL_TYPE_VIRTUAL ||
link->link_enc->funcs->is_dig_enabled(link->link_enc))
if (link->link_enc->funcs->is_dig_enabled(link->link_enc))
display_count++;
}

9
drivers/gpu/drm/amd/display/dc/clk_mgr/dcn301/vg_clk_mgr.c
View file

@ -74,15 +74,8 @@ int vg_get_active_display_cnt_wa(
for (i = 0; i < dc->link_count; i++) {
const struct dc_link *link = dc->links[i];
/*
* Only notify active stream or virtual stream.
* Need to notify virtual stream to work around
* headless case. HPD does not fire when system is in
* S0i2.
*/
/* abusing the fact that the dig and phy are coupled to see if the phy is enabled */
if (link->connector_signal == SIGNAL_TYPE_VIRTUAL ||
link->link_enc->funcs->is_dig_enabled(link->link_enc))
if (link->link_enc->funcs->is_dig_enabled(link->link_enc))
display_count++;
}