[PATCH 42/45] drm/msm/dp: mark ST_DISCONNECTED only if all streams are disabled

Abhinav Kumar quic_abhinavk at quicinc.com
Fri Dec 6 04:32:13 UTC 2024


HPD state machine assumes only one active stream. Fix it to account
for both while marking the state of the hpd as disconnected.

Signed-off-by: Abhinav Kumar <quic_abhinavk at quicinc.com>
---
 drivers/gpu/drm/msm/dp/dp_display.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c
index caac0cd3ec94e7be1389d8129fbd506998cf77da..528cda1453a85f5f8dd37bb0d2366548016c88e4 100644
--- a/drivers/gpu/drm/msm/dp/dp_display.c
+++ b/drivers/gpu/drm/msm/dp/dp_display.c
@@ -1890,7 +1890,7 @@ void msm_dp_display_atomic_post_disable_helper(struct msm_dp *dp, struct msm_dp_
 	msm_dp_display_disable(msm_dp_display, msm_dp_panel);
 
 	state =  msm_dp_display->hpd_state;
-	if (state == ST_DISCONNECT_PENDING) {
+	if (state == ST_DISCONNECT_PENDING && !msm_dp_display->active_stream_cnt) {
 		/* completed disconnection */
 		msm_dp_display->hpd_state = ST_DISCONNECTED;
 	}

-- 
2.34.1



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