github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-27 08:33:17 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

Revert "drm/amd/display: Handle HPD_IRQ for internal link"

Browse Source 
[How&Why]
This reverts commit 239b31bd5c.

Due to the it effects Replay resync.

Reviewed-by: Wenjing Liu <wenjing.liu@amd.com>
Acked-by: Zaeem Mohamed <zaeem.mohamed@amd.com>
Signed-off-by: Sung-huai Wang <danny.wang@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Sung-huai Wang 2024-05-31 15:43:44 +08:00 committed by Alex Deucher
parent 82c94233e5
commit a2919b2577
1 changed files with 9 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_irq_handler.c
View File

@ -387,7 +387,6 @@ bool dp_handle_hpd_rx_irq(struct dc_link *link,
union device_service_irq device_service_clear = {0};
enum dc_status result;
bool status = false;
bool allow_active = false;
if (out_link_loss)
*out_link_loss = false;
@ -442,6 +441,12 @@ bool dp_handle_hpd_rx_irq(struct dc_link *link,
return false;
}
if (handle_hpd_irq_psr_sink(link))
/* PSR-related error was detected and handled */
return true;
handle_hpd_irq_replay_sink(link);
/* If PSR-related error handled, Main link may be off,
* so do not handle as a normal sink status change interrupt.
*/
@ -463,8 +468,10 @@ bool dp_handle_hpd_rx_irq(struct dc_link *link,
* If we got sink count changed it means
* Downstream port status changed,
* then DM should call DC to do the detection.
* NOTE: Do not handle link loss on eDP since it is internal link
*/
if (dp_parse_link_loss_status(
if ((link->connector_signal != SIGNAL_TYPE_EDP) &&
dp_parse_link_loss_status(
link,
&hpd_irq_dpcd_data)) {
/* Connectivity log: link loss */
@ -473,11 +480,6 @@ bool dp_handle_hpd_rx_irq(struct dc_link *link,
sizeof(hpd_irq_dpcd_data),
"Status: ");
if (link->psr_settings.psr_feature_enabled)
edp_set_psr_allow_active(link, &allow_active, true, false, NULL);
else if (link->replay_settings.replay_allow_active)
edp_set_replay_allow_active(link, &allow_active, true, false, NULL);
if (defer_handling && has_left_work)
*has_left_work = true;
else
@ -490,14 +492,6 @@ bool dp_handle_hpd_rx_irq(struct dc_link *link,
dp_trace_link_loss_increment(link);
}
if (*out_link_loss == false) {
if (handle_hpd_irq_psr_sink(link))
/* PSR-related error was detected and handled */
return true;
handle_hpd_irq_replay_sink(link);
}
if (link->type == dc_connection_sst_branch &&
hpd_irq_dpcd_data.bytes.sink_cnt.bits.SINK_COUNT
!= link->dpcd_sink_count)