From 6995adc6b026a1f5b3cfbf35ea5ab269af5e21d0 Mon Sep 17 00:00:00 2001 From: Wenjing Liu Date: Tue, 22 Aug 2017 15:49:57 -0400 Subject: [PATCH 1003/4131] drm/amd/display: Fix return value from rx irq handler on up request Change-Id: Ifa864d3788ae34a6dfa315bd4148f5d5c4ae0c5a Signed-off-by: Wenjing Liu Reviewed-by: Harry Wentland --- drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 8 ++++---- 1 file 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 e35bdce..e19447d 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. -- 2.7.4