diff options
| author | Wenjing Liu <Wenjing.Liu@amd.com> | 2017-08-22 15:49:57 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-09-26 18:17:04 -0400 |
| commit | aaa15026f273c184454ea8672274a682bc161da1 (patch) | |
| tree | e8594ff7cf76ea7835459143ec9430267b5e43c4 /drivers/gpu/drm | |
| parent | 67a72b6944446f68b9a930c13c8cdadba72beed8 (diff) | |
drm/amd/display: Fix return value from rx irq handler on up request
Signed-off-by: Wenjing Liu <Wenjing.Liu@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 8 |
1 files changed, 4 insertions, 4 deletions
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 e35bdce6a0f3..e19447d526ea 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 @@ -1964,11 +1964,11 @@ bool dc_link_handle_hpd_rx_irq(struct dc_link *link, union hpd_irq_data *out_hpd * so do not handle as a normal sink status change interrupt. */ + if (hpd_irq_dpcd_data.bytes.device_service_irq.bits.UP_REQ_MSG_RDY) + return true; + /* check if we have MST msg and return since we poll for it */ - if (hpd_irq_dpcd_data.bytes.device_service_irq. - bits.DOWN_REP_MSG_RDY || - hpd_irq_dpcd_data.bytes.device_service_irq. - bits.UP_REQ_MSG_RDY) + if (hpd_irq_dpcd_data.bytes.device_service_irq.bits.DOWN_REP_MSG_RDY) return false; /* For now we only handle 'Downstream port status' case. |