diff options
| author | Fatemeh Darbehani <fatemeh.darbehani@amd.com> | 2018-06-26 16:40:55 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-07-13 14:51:34 -0500 |
| commit | 4e18814eeec946fa864723423c9a607815ede5cb (patch) | |
| tree | 953e7c8241649f5d5605004db36b137e068500a4 /drivers | |
| parent | 6c4fff068f7940993b3ec74a9996f4b514089d1a (diff) | |
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 8 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc_link.h | 2 |
3 files changed, 9 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 88854982171c..e0cf54ccc9f4 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -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)) { diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c index 6d4642bf395d..54e396452345 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c @@ -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 && diff --git a/drivers/gpu/drm/amd/display/dc/dc_link.h b/drivers/gpu/drm/amd/display/dc/dc_link.h index eda4a5d3ff1c..070a56926308 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_link.h +++ b/drivers/gpu/drm/amd/display/dc/dc_link.h @@ -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; |