redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

drm/amd/display: Return out_link_loss from interrupt handler 

Signed-off-by: Fatemeh Darbehani <fatemeh.darbehani@amd.com>
Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
hifive-unleashed-5.1
Fatemeh Darbehani 2018-06-26 16:40:55 -04:00 committed by Alex Deucher
parent 6c4fff068f
commit 4e18814eee
3 changed files with 9 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
View File

@ -1041,7 +1041,7 @@ static void handle_hpd_rx_irq(void *param)
if (dc_link->type != dc_connection_mst_branch)
mutex_lock(&aconnector->hpd_lock);
if (dc_link_handle_hpd_rx_irq(dc_link, NULL) &&
if (dc_link_handle_hpd_rx_irq(dc_link, NULL, NULL) &&
!is_mst_root_connector) {
/* Downstream Port status changed. */
if (dc_link_detect(dc_link, DETECT_REASON_HPDRX)) {

8
drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
View File

@ -1996,12 +1996,16 @@ static void handle_automated_test(struct dc_link *link)
sizeof(test_response));
}
bool dc_link_handle_hpd_rx_irq(struct dc_link *link, union hpd_irq_data *out_hpd_irq_dpcd_data)
bool dc_link_handle_hpd_rx_irq(struct dc_link *link, union hpd_irq_data *out_hpd_irq_dpcd_data, bool *out_link_loss)
{
union hpd_irq_data hpd_irq_dpcd_data = {{{{0}}}};
union device_service_irq device_service_clear = { { 0 } };
enum dc_status result;
bool status = false;
if (out_link_loss)
*out_link_loss = false;
/* For use cases related to down stream connection status change,
* PSR and device auto test, refer to function handle_sst_hpd_irq
* in DAL2.1*/
@ -2076,6 +2080,8 @@ bool dc_link_handle_hpd_rx_irq(struct dc_link *link, union hpd_irq_data *out_hpd
true, LINK_TRAINING_ATTEMPTS);
status = false;
if (out_link_loss)
*out_link_loss = true;
}
if (link->type == dc_connection_active_dongle &&

2
drivers/gpu/drm/amd/display/dc/dc_link.h
View File

@ -172,7 +172,7 @@ bool dc_link_detect(struct dc_link *dc_link, enum dc_detect_reason reason);
* false - no change in Downstream port status. No further action required
* from DM. */
bool dc_link_handle_hpd_rx_irq(struct dc_link *dc_link,
union hpd_irq_data *hpd_irq_dpcd_data);
union hpd_irq_data *hpd_irq_dpcd_data, bool *out_link_loss);
struct dc_sink_init_data;